From 7a6406bf090bdd183f206fc4c6170008e21fc3f7 Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 31 Jul 2000 12:59:37 +0000
Subject: [PATCH] Rotate out 6 more months of ChangeLog entries.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35373 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 16860 +---------------------------------------------
gcc/ChangeLog.3 | 16860 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 16861 insertions(+), 16859 deletions(-)
create mode 100644 gcc/ChangeLog.3
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 22101886fe2..f77c2ad0ce8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2349,16863 +2349,5 @@ Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
of the low 13 bits into a CONST plus an adddi3.
(load_symptr): Set RTX_UNCHANGING_P.
-2000-06-30 Mark Mitchell <mark@codesourcery.com>
-
- * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
- * c-common.c (ridpointers): Declare.
- * c-common.h (enum rid): Declare.
- (NORID): Likewise.
- (ridpointers): Likewise.
- * c-lex.c (ridpointers): Don't declare.
- (init_lex): Initialize ridpointers.
- * c-lex.h (enum rid): Don't declare.
- (NORID): Likewise.
- (RID_FIRST_MODIFIER): Likewise.
- (ridpointers): Likewise.
-
-2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
- have global scope.
-
-2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
-
- * invoke.texi (-Wreturn-type): In C++, a missing return type is
- always an error.
-
-2000-06-30 Catherine Moore <clm@cygnus.com>
+See ChangeLog.3 for earlier changes.
- * c-common.c (decl_attributes): Differentiate between
- types and type decls for alignment.
-
-2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
-
- * cpp.texi: Document #pragma GCC dependency
- * cppfiles.c (open_include_file): Set date to unknown.
- (_cpp_compare_file_date): New function.
- (read_include_file): Set file date.
- * cpphash.h (struct include_file): Add date member.
- (_cpp_compare_file_date): Prototype.
- * cpplib.c (parse_include): Add trail parameter. Adjust.
- (do_include): Adjust parse_include call.
- (do_import): Likewise.
- (do_include_next): Likewise.
- (gcc_pragmas): Add dependency pragma.
- (do_pragma_dependancy): New pragma.
-
-2000-06-29 Jason Merrill <jason@redhat.com>
-
- * dwarf2out.c (output_loc_operands): Don't abort on codes that have
- no operands.
-
-2000-06-29 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
- a volatile mem and FR_REGS.
-
-2000-06-29 Mark Mitchell <mark@codesourcery.com>
-
- * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
- * c-common.h (flag_const_strings): Declare.
- (warn_format): Likewise.
- (flag_traditional): Likewise.
- (flag_isoc99): Likewise.
- (warn_parentheses): Likewise.
- (warn_conversion): Likewise.
- (C_TYPE_OBJECT_P): Likewise.
- (C_TYPE_INCOMPLETE_P): Likewise.
- (C_TYPE_FUNCTION_P): Likewise.
- (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
- (C_EXP_ORIGINAL_CODE): Likewise.
- (build_unary_op): Likewise.
- (build_binary_op): Likewise.
- (lvalue_p): Likewise.
- (default_conversion): Likewise.
- (common_type): Likewise.
- * c-tree.h (C_TYPE_OBJECT_P): Remove.
- (C_TYPE_INCOMPLETE_P): Likewise.
- (C_TYPE_FUNCTION_P): Likewise.
- (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
- (C_EXP_ORIGINAL_CODE): Likewise.
- (common_type): Likewise.
- (default_conversion): Likewise.
- (build_binary_op): Likewise.
- (build_unary_op): Likewise.
- (lvalue_p): Likewise.
- (flag_const_strings): Likewise.
- (warn_format): Likewise.
- (warn_conversion): Likewise.
- (flag_traditional): Likewise.
- (flag_isoc99): Likewise.
- (warn_parentheses): Likewise.
-
-2000-06-29 James E. Wilson <wilson@cygnus.com>
-
- * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
-
- * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
- same. Only tie XFmode with XFmode.
-
-2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-decl.c, timevar.c, tlink.c: Include intl.h.
- * Makefile.in: Update deps.
-
-2000-06-29 Andrew Haley <aph@cygnus.com>
-
- * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
- to true.
-
-2000-06-29 Andrew Haley <aph@cygnus.com>
-
- * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
- bytes: remove the multiply by 8.
-
-2000-06-29 Philipp Thomas <pthomas@suse.de>
-
- * rtl.c : Revert NLS changes.
- * gcc.c : Fix bug in display_help introced by my last changes.
-
-Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
-
- * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
- DECL_CONTEXT, not DECL_FIELD_CONTEXT.
-
-2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * flow.c (flow_depth_first_order_compute): Fix algorithm.
-
-2000-06-28 Philipp Thomas <pthomas@suse.de>
-
- * c-decl.c : Mark strings for translation.
- (parmlist_tags_warning): Use distinct messages instead
- of conditional expressions.
- * diagnostic.c (v_message_with_decl): Mark string for translation.
- * gcc.c: Mark messages for translation.
- (display_help): Combine messages into one string where necessary.
- * mips-tfile: Add intl.h. Mark messages for translation.
- * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
- messages for translation.
- * timevar.c: Mark messages for translation.
- * tlink.c: Likewise.
- * toplev.c: Likewise.
-
-Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
-
- * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
-
- * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
- use -isystem instead of -idirafter.
- * i386/i386-interix.h: Likewise.
-
-2000-06-28 Jason Merrill <jason@redhat.com>
-
- * dwarf2out.c (output_loc_operands): Don't support >1 byte output
- unless DWARF2_DEBUGGING_INFO is defined.
- (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
-
-2000-06-28 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
-
-2000-06-28 Jakub Jelinek <jakub@redhat.com>
-
- * cpplex.c (output_line_command): Output correct #line if a header
- is including itself and is not protected against multiple inclusion.
-
-2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (open_include_file): If open(2) returns EMFILE or
- ENFILE, close all cached file descriptors and try again.
- (_cpp_execute_include): Keep a count of the number of times
- each header is included.
- (close_cached_fd): New function.
- * cpphash.h (struct include_file): Rename before to
- include_count; all users updated. Make include_count and sysp
- unsigned short.
- * cppinit.c (cpp_finish): If -H, report headers that could use
- reinclude guards.
- (report_missing_guard): New function.
-
-Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (prologue_set_got): Set length_immediate field.
- (testqi_ccno_1): Add missing '@' character.
-
-2000-06-27 Jason Merrill <jason@redhat.com>
-
- * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
- DWARF_FRAME_REGNUM.
-
-2000-06-27 Andrew Macleod <amacleod@cygnus.com>
-
- * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
- unsigned macros available.
-
-2000-06-27 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.c (emit_insn_group_barriers): Special case
- epilogue_deallocate_stack.
-
- * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
- completers for UNORDERED and ORDERED as well.
- * config/ia64/ia64.md (bunordered, bordered): New.
- (sunordered, sordered): New.
-
-Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
- * i386.c (ix86_attr_length_default): Kill.
- (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
- New.
- * i386-protos.h (ix86_attr_length_default): Kill
- (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
- Add prototype
- * i386.md (attribute type): Add "test".
- (attribute length_prefix): Kill.
- (attribute length_opcode): Kill.
- (attribute i387, mode, length_immediate, length_address, prefix_data16,
- prefix_rep, prefix_0f, modrm): New.
- (attribute length): Compute using the new attributes.
- (attribute pent_prefix): New.
- (attribute pent_pair): Compute using pent_prefix.
- (all insn patterns): Set mode,modrm and immediate_length attributes where
- needed.
- (cmpsi patterns): Compute sizes propertly for test instruction.
- (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
- (movstricthi_xor, movstrictqi_xor): New patterns.
- (andsi/andhi): Use splitters to generate xor instructions.
- (xorqi_ext_1): New pattern.
- (movstricthi->movstricthi_xor peep2): New.
-
-Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (addqi_low_1): Remove.
-
-2000-06-27 Philipp Thomas <pthomas@suse.de>
-
- * 1750a.h: Mark help strings for options/switches for translation.
- * a29k.h: Likewise.
- * alpha.h: Likewise.
- * arm.h: Likewise.
- * pe.h: Likewise.
- * riscix.h: Likewise.
- * c4x.h: Likewise.
- * clipper.h: Likewise.
- * convex.h: Likewise.
- * elxsi.h: Likewise.
- * fr30.h: Likewise.
- * fx80.h: Likewise.
- * h8300.h: Likewise.
- * i370.h: Likewise.
- * cygwin.h: Likewise.
- * dgux.h: Likewise.
- * djgpp.h: Likewise.
- * i386.h: Likewise.
- * osf1elf.h: Likewise.
- * osfrose.h: Likewise.
- * sco5.h: Likewise.
- * win32.h: Likewise.
- * i860.h: Likewise.
- * paragon.h: Likewise.
- * i960.h: Likewise.
- * ia64.h: Likewise.
- * m32r.h: Likewise.
- * mcore.h: Likewise.
- * mips.h: Likewise.
- * mn10300.h: Likewise.
- * ns32k.h: Likewise.
- * pdp11.h: Likewise.
- * pj.h: Likewise.
- * aix.h: Likewise.
- * aix41.h: Likewise.
- * aix43.h: Likewise.
- * beos.h: Likewise.
- * rs6000.h: Likewise.
- * sysv4.h: Likewise.
- * linux.h: Likewise.
- * linux64.h: Likewise.
- * sp64-elf.h: Likewise.
- * sparc.h: Likewise.
- * splet.h: Likewise.
- * v850.h: Likewise.
- * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
- for translation.
- * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
- Properly document option and mark for translation.
- * sp86x-elf.h: Likewise.
-
-2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
-
- Add MMX and SSE registers to i386 machine description.
- * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
- ix86_local_alignment): Declare.
-
- * i386.h (TARGET_MMX, TARGET_SSE): New.
- (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
- REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
- REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
- enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
- (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
- (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
- (RETURN_IN_MEMORY): Handle MMX/SSE.
- (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
- also get stack space.
- (MUST_PASS_IN_STACK): Added TImode to the default definition.
- (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
- (MMX_REGISTER_NAMES): New.
- (ALIGN_MODE_128): New macro.
- (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
- (DATA_ALIGNMENT): Likewise.
- (LOCAL_ALIGNMENT): Likewise.
- (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
- TARGET_MMX/TARGET_SSE.
- (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
- (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
- (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
- SSE/MMX regs and something else.
- (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
- (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
- 3 if moving between MMX regs and something else.
-
- * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
- (regclass_map): Add MMX/SSE registers.
- (print_operand): Add code to print XMMWORD as appropriate.
- (ix86_split_movdi): Abort for MMX regs.
- (init_cumulative_args): Also allow SSE_REGS
- (function_arg_advance, function_arg): Likewise
- (print_reg): Support 'm'. Add case for TImode.
- (override_options): TARGET_SSE implies TARGET_MMX.
- (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
- New functions.
-
- * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
- FIRST_SSE_REG.
- * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
- memory.
- * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
- * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
-
-2000-06-26 Geoff Keating <geoffk@cygnus.com>
-
- * ssa.c (struct rename_set_data): Change the name of field
- 'set_dest' to 'old_reg'. Add comments.
- (struct rename_context): Change the name of 'set_data' to
- 'new_renames'. Add new field 'done_renames'.
- (create_delayed_rename): New function.
- (apply_delayed_renames): New function.
- (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
- SUBREGs and similar by emitting a move.
- (new_registers_for_updates): Delete, functionality moved to
- apply_delayed_renames.
- (rename_block): Handle moves emitted by rename_insn_1 by putting
- them into a SEQUENCE with the original insn. Add sanity checks
- and comments.
- (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
- (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
-
-2000-06-26 Andrew Macleod <amacleod@cygnus.com>
- Jason Merrill <jason@redhat.com>
-
- * dwarf2.h (enum dwarf_call_frame_info): Add
- DW_CFA_def_cfa_expression.
- * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
- dw_loc_descr_struct entry.
- (struct cfa_loc): New structure to track a CFA location.
- (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
- (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
- offset, plus handle DW_CFA_def_cfa_expression.
- (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
- cfa_loc record.
- (dwarf2out_def_cfa): Entry point maintained for compatability.
- (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
- (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
- (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
- (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
- cfa_reg.
- (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
- sequences for the new DW_CFA_def_cfa_expression record.
- (dwarf2out_frame_debug): Use new variables/fields.A
- (output_cfi): Handle DW_CFA_def_cfa_expression.
- (output_cfa_loc): New function to generate a CFI record for
- DW_CFA_def_cfa_expression.
- (get_cfa_from_loc_descr): New function to get a cfa_loc record from
- a dw_loc_descr sequeunce.
- (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
- (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
- size_of_locs, output_loc_operands, output_loc_sequence): Move into
- unwind info section.
- * frame.h (frame_state): Add base_offset and indirect fields.
- * frame-dwarf2.c (decode_stack_op): New function to interpret a
- dw_loc_descr operation.
- (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
- (struct frame_state): Add base offset and indirect fields.
- * libgcc2.c (next_stack_level): Support indirect loading for CFA.
-
-2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
-
- * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
- Make warnings about implicit int be pedwarns in C99. Don't warn
- about duplicate type qualifiers in C99.
- (start_function): Make warning about implict int return type be a
- pedwarn in C99.
- * c-lex.c (yylex): Don't warn about `long long' in C99.
- * c-typeck.c (c_expand_return): In C99, always pedwarn about
- `return' with no value in function returning non-void.
-
-2000-06-26 Richard Henderson <rth@cygnus.com>
-
- * c-typeck.c (pedwarn_c99): New.
- * diagnostic.c (verror, vwarning, vpedwarn): Export.
- * toplev.h: Prototype them.
-
-2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * c-typeck.c (digest_init): Return error_mark_node node when
- TREE_TYPE (init) == error_mark_node.
-
-2000-06-26 Philipp Thomas <pthomas@suse.de>
-
- * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
- test for msgfmt without path instead.
- * configure: Rebuilt.
-
-2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
-
- * gengenrtl.c (special_rtx): Fix typo in comment.
-
-2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * mklibgcc.in (LIB2FUNCS): Add missing space.
-
-2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * tree.h (enum tree_index): Add vector type nodes.
- Add accessor macros for them.
- (TYPE_REPRESENATION_TYPE): New macro.
- * tree.c (build_common_tree_nodes_2): Build these nodes.
- (finish_vector_type): New function.
- * c-common.c (type_for_mode): Handle vector modes.
- * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
-
- * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
- * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
- * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
- (gen_type_die): Likewise.
- * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
- (fundamental_type_code): Likewise.
- (type_is_fundamental): VECTOR_TYPEs aren't.
- (output_type): Handle VECTOR_TYPEs.
-
-2000-06-25 Kazu Hirata <kazu@hxi.com>
-
- * config/arm.c: Fix a comment typo.
- * config/arm.h: Likewise.
-
-2000-06-25 Philipp Thomas <pthomas@suse.de>
-
- * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
- compiler found.
- AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
- * configure: Rebuilt.
-
-2000-06-25 John David Anglin <dave.anglin@nrc.ca>
-
- * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
-
-2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
- libgcc.a.
-
-2000-06-24 Marc Espie <espie@cvs.openbsd.org>
-
- * collect2.c (resolve_lib_name): Move '/' check out of loop.
-
-2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
-
- * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
-
-2000-06-24 Jakub Jelinek <jakub@redhat.com>
-
- * stmt.c (expand_decl_cleanup): Emit a dummy insn after
- last_unconditional_cleanup.
-
-2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * tree.def (VECTOR_TYPE): New node type.
- * tree.h: Adjust some comments to reflect addition of vector types.
- (TYPE_VECTOR_SUBPARTS): New macro.
- * stor-layout.c (layout_type): Handle VECTOR_TYPE.
- * c-convert.c (convert): Likewise.
- * convert.c (convert_to_integer): Handle vector modes.
- (convert_to_vector): New function.
- * convert.h (convert_to_vector): Declare.
- * expr.c (convert_move): Handle vector modes.
- * expmed.c (extract_bit_field): Don't abort for vector modes.
-
-2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
-
- * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
- * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
- New functions, common code moved from function_{prologue,epilogue}
- and extended to support the -mtiny-stack option.
- (function_prologue, function_epilogue): Use them.
- Use lo8/hi8 consistently for asm output readability.
- (avr_hard_regno_mode_ok): New function.
- * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
- (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
- (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
- * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
- Write SPH before SPL.
- (*movqi): No need to disable interrupts for just one "out"
- in alternative 5. Change length attribute from 4 to 1.
- * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
- Write SPH before SPL.
-
-2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * rtl.texi (Vector Operations): New node.
- (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
- (Conversions): Add ss_truncate, us_truncate.
- * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
- VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
- US_TRUNCATE): New rtx codes.
- * machmode.def: Add vector modes.
- * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
- MODE_VECTOR_FLOAT.
- (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
- (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
- (VECTOR_MODE_P): New.
-
-2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
-
- * cpp.texi: Clarify #pragma GCC namespace.
-
-2000-06-24 Philipp Thomas <pthomas@suse.de>
-
- * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
- all catalogs specified in ALL_LINGUAS.
- * configure: Rebuilt.
-
-2000-06-23 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md (reload_outdi+1): Handle
- HOST_BITS_PER_WIDE_INT == 64 case correctly.
- (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
-
-2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
-
- * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
- struct vs. scalar-ness when -fno-strict-aliasing.
-
-2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
-
- * cpplib.c (struct pragma_entry): New structure.
- (pragma_dispatch): Pragma dispatcher.
- (top_pragmas, gcc_pragmas): New static variables.
- (do_pragma): Use pragma_dispatch.
- (do_pragma_gcc): New pragma handler.
- * cpp.texi: Update.
-
-2000-06-23 Jakub Jelinek <jakub@redhat.com>
-
- * calls.c (compute_argument_addresses): Force stack slots into
- alias set 0.
- * expr.c (emit_push_insn): Force pushes into alias set 0.
-
-2000-06-23 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
- * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
-
-2000-06-22 Jason Merrill <jason@redhat.com>
-
- * toplev.c (compile_file): Always call timevar_print.
- * Makefile.in (calls.o): Depend on TIMEVAR_H.
-
-2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
-
- * varasm.c (constant_descriptor): Make contents unsigned char.
- (mark_const_hash_entry): Adjust.
- (const_hash): Just hash the code of unknown nodes.
- (compare_constant_1): Adjust for unsigned char.
- Use language specific expander on unknown nodes.
- (record_constant_1): Likewise.
-
-2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (cpp_make_system_header): New function.
- * cpplib.h: Prototype it.
- * cpplib.c (do_line, do_pragma_system_header): Use it.
- * fix-header.c (read_scan_file): Use it.
-
- * fix-header.c (check_macro_names): Cast second arg of
- cpp_defined to const unsigned char *.
- (read_scan_file): Make getchar_call const unsigned char.
-
-2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c: Include splay-tree.h, not hashtab.h.
- (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
- (destroy_include_file_node): New.
- (_cpp_init_include_hash): Rename _cpp_init_include_table.
- Create a splay tree, not a hash table.
- (open_include_file): Look up the path in the include table,
- do the multiple include optimization here, etc.
- (cpp_included): Walk the path.
- (find_include_file): Just walk the path calling
- open_include_file, or call it directly for an absolute path.
- (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
- scheme.
- (read_include_file): Update for new scheme. Don't close the
- file unless reading fails.
- (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
-
- * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
- (struct include_file): New.
- (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
- macros.
- (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
- Update prototypes.
-
- * cppinit.c: Include splay-tree.h.
- (cpp_reader_init, cpp_cleanup): Update.
-
- * cpplib.h (struct cpp_buffer): Change ihash field to
- 'struct include_file *inc'. Remove system_header_p.
- (struct cpp_reader): Change all_include_files to a
- struct splay_tree_s *.
-
- * cpplex.c: Update all references to cpp_buffer->ihash and/or
- cpp_buffer->system_header_p.
- (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
-
- * Makefile.in (SPLAY_TREE_H): New macro.
- (cppfiles.o, cppinit.o): Update dependencies.
-
-Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
-
- * invoke.texi (g++): "g++" is not a script anymore.
-
-2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * function.c (round_down): Delete obsolete prototype.
-
- * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
-
-2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
-
- * configure.in: Use 'test a = b' not 'test a == b'.
- * configure: Regen.
-
- * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
-
- * Makefile.in: Remove all references to HOST_INTLLIBS.
-
- * cpplex.c (parse_name): Don't warn about $ in identifiers if
- skipping.
-
-2000-06-20 Philipp Thomas <pthomas@suse.de>
-
- * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
- for PA 2.0.
-
-Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * Take REG_INC notes into account.
-
-2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
- (primary: IDENTIFIER): Just call build_external_ref.
- * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
- Regenerate.
- * c-lex.c (lastiddecl): Remove.
- (yylex): Replace all instances of lastiddecl with local
- variables.
-
- * c-typeck.c (build_external_ref): New function. Treat decls
- with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
- Look up the decl from the id here. Call lookup_objc_ivar.
- * c-lang.c (lookup_objc_ivar): Stub.
- * objc/objc-act.c (lookup_objc_ivar): New function.
-
- * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
- * c-lex.h: Don't declare lastiddecl.
-
-2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
-
- * c-common.h (IF_COND): Added documentation.
- (THEN_CLAUSE): Likewise.
- (ELSE_CLAUSE): Likewise.
- (WHILE_COND): Likewise.
- (WHILE_BODY): Likewise.
- (DO_COND): Likewise.
- (DO_BODY): Likewise.
- (RETURN_EXPR): Likewise.
- (EXPR_STMT_EXPR): Likewise.
- (FOR_INIT_STMT): Likewise.
- (FOR_COND): Likewise.
- (FOR_EXPR): Likewise.
- (FOR_BODY): Likewise.
- (SWITCH_COND): Likewise.
- (SWITCH_BODY): Likewise.
- (CASE_LOW): Likewise.
- (CASE_HIGH): Likewise.
- (GOTO_DESTINATION): Likewise.
- (COMPOUND_BODY): Likewise.
- (ASM_CV_QUAL): Likewise.
- (ASM_STRING): Likewise.
- (ASM_OUTPUTS): Likewise.
- (ASM_INPUTS): Likewise.
- (ASM_CLOBBERS): Likewise.
- (DECL_STMT_DECL): Likewise.
- (STMT_EXPR_STMT): Likewise.
- (LABEL_STMT_LABEL): Likewise.
-
- * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
- COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
- RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
- LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
-
-2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * configure.in (--enable-checking): Update --help doc to reflect
- new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
-
-Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
-
- * function.c (put_var_into_stack): Don't reference DECL_ fields
- if input is a SAVE_EXPR.
- Use set_mem_attributes in COMPLEX case.
-
-2000-06-18 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
- (ia64_file_start): Declare.
- * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
- (GR_REGNO_P): Likewise.
- * config/ia64/ia64.c: Many prototypes.
- (ia64_reg_numbers): Constify.
- (ia64_input_reg_names, ia64_local_reg_names): Likewise.
- (ia64_section_threshold): Make unsigned.
- (ia64_print_operand): Constify.
- (fix_range): Constify.
- (ia64_init_builtins): Don't compare signed vs unsigned.
- (ia64_expand_builtin): Likewise.
-
- * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
- (CONSTRAINT_OK_FOR_Q): New.
- * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
- (movsf_internal, movdf_internal): Likewise.
- (cmovdi_internal): Rewrite so that constraints and predicates match;
- simplify splitters.
- (cmovsi_internal): Likewise.
-
- * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
- (ASM_FILE_START): New.
- * config/ia64/ia64.c (ia64_file_start): New.
- (rtx_needs_barrier): Handle pred.rel.mutex.
- (emit_predicate_relation_info): New.
- * config/ia64/ia64.md (pred_rel_mutex): New.
- * config/ia64/linux.h (ASM_SPEC): Define.
- * config/ia64/sysv4.h (ASM_FILE_START): Define.
-
- * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
- filtering global register variables.
-
-2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * c-common.c (add_c_tree_codes): Fix definition for traditional C.
-
-2000-06-17 Michael Meissner <meissner@redhat.com>
-
- * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
- not present and there is a field after a '-'.
-
-2000-06-17 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/check.tpl: finish the implementation of multiple tests
- for a single fix
- * fixinc/inclhack.def(ctrl_quotes_def): add a second test
- (io_quotes_def): add a second test
- (various): reorder `files' so that "limits.h" is never first
- * fixinc/tests/base/*: update the testing output
-
-Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcc.texi: Remove reference to stupid.c.
-
-2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
-
- * c-common.c (c_tree_code_type): New array.
- (c_tree_code_length): Likewise.
- (c_tree_code_name): Likewise.
- (add_c_tree_codes): New function.
-
- * c-common.h (add_c_tree_codes): Declare.
- (enum c_tree_code): New enum.
-
- * c-lex.c (init_parse): Added call to add_c_tree_codes.
-
-2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
- select pattern to also match macro defs with only one argument.
-
-Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
-
- * i386.md: Create new [right,left] rotate and right shift
- patterns to optimize shift by 1 bit for certain ia32 processors.
- Update patterns which perform left shifts to optimize shift by
- 1 bit for certain ia32 processors.
- * i386.c (const_int_1_operand): New predicate.
- * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
- * i386-protos.h (const_int_1_operand): Prototype.
-
-Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * mips.c (machine_dependent_reorg): Fix braces for nested if.
-
-2000-06-14 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
- LABEL_REFs.
-
-2000-06-14 Richard Henderson <rth@cygnus.com>
-
- * conflict.c (conflict_graph_compute): Don't look for REG_INC.
-
- * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
- auto-inc code.
-
- * print-rtl.c (print_rtx): Emit space before mem alias set.
-
-2000-06-14 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.c (expand_block_move): Fix typo in earlier change.
- (print_operand): Remove unused variables neg and op.
- (toc_hash_mark_entry): Fix prototype.
-
-2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
-
- * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
- (THEN_CLAUSE): Likewise.
- (ELSE_CLAUSE): Likewise.
- (WHILE_COND): Likewise.
- (WHILE_BODY): Likewise.
- (DO_COND): Likewise.
- (DO_BODY): Likewise.
- (RETURN_EXPR): Likewise.
- (EXPR_STMT_EXPR): Likewise.
- (FOR_INIT_STMT): Likewise.
- (FOR_COND): Likewise.
- (FOR_EXPR): Likewise.
- (FOR_BODY): Likewise.
- (SWITCH_COND): Likewise.
- (SWITCH_BODY): Likewise.
- (CASE_LOW): Likewise.
- (CASE_HIGH): Likewise.
- (GOTO_DESTINATION): Likewise.
- (COMPOUND_BODY): Likewise.
- (ASM_CV_QUAL): Likewise.
- (ASM_STRING): Likewise.
- (ASM_OUTPUTS): Likewise.
- (ASM_INPUTS): Likewise.
- (ASM_CLOBBERS): Likewise.
- (DECL_STMT_DECL): Likewise.
- (STMT_EXPR_STMT): Likewise.
- (LABEL_STMT_LABEL): Likewise.
- (SCOPE_BEGIN_P): Likewise.
- (SCOPE_END_P): Likewise.
- (SCOPE_STMT_BLOCK): Likewise.
- (SCOPE_NULLIFIED_P): Likewise.
- (SCOPE_NO_CLEANUPS_P): Likewise.
- (SCOPE_PARTIAL_P): Likewise.
- (ASM_VOLATILE_P): Likewise.
- (STMT_LINENO): Likewise.
- (STMT_LINENO_FOR_FN_P): Likewise.
-
- * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
- ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
- FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
- CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
- SCOPE_STMT, CASE_LABEL, STMT_EXPR.
-
- * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
-
-2000-06-14 David O'Brien <obrien@FreeBSD.org>
-
- * gcc.c (main): Quiet compiler warnings. argv is assumed to be
- writable in parts of the GCC code.
-
- * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
- specification match cast.
-
-Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
-
- * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
- * configure, config.in: Rebuilt.
- * sys-protos.h: Similarly.
-
-Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
-
- * ifcvt.c (EDGE_COMPLEX): Move definition ...
- * basic-block.h (EDGE_COMPLEX): ... here.
-
- * loop.c (check_dbra_loop): Specify the register when
- generating REG_NONNEG notes and don't generate duplicates.
-
-2000-06-13 Jakub Jelinek <jakub@redhat.com>
-
- * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
- (struct tree_type, struct tree_decl): Add user_align member.
- * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
- (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
- and DECL_USER_ALIGN 0, cap alignment to this value.
- (place_field): Likewise.
- (finalize_type_size): Set TYPE_USER_ALIGN.
- (layout_type): Likewise.
- (initialize_sizetypes): Likewise.
- * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
- DECL_USER_ALIGN to 1.
- * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
- (xfer_tag): Set TYPE_USER_ALIGN.
- (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
- (finish_enum): Likewise.
- * stmt.c (expand_decl): Set DECL_USER_ALIGN.
- (expand_anon_union_decl): Likewise.
- * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
- (build_index_type): Set TYPE_USER_ALIGN.
- (build_range_type): Likewise.
- (build_common_tree_nodes_2): Likewise.
- * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
-
-2000-06-13 Andreas Jaeger <aj@suse.de>
-
- * configure.in: Use --enable-checking=misc,tree,gc by default if
- no --enable-checking option is given and for
- --enable-checking=yes.
- * configure: Rebuilt.
-
-2000-06-13 Richard Henderson <rth@cygnus.com>
-
- * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
- (__throw): Don't pass the address of a label.
-
- * config/ia64/ia64.c (ia64_compute_frame_size): Use
- current_function_is_leaf.
- (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
- instead of reg_names[RETURN_ADDRESS_REGNUM].
- (ia64_init_machine_status): Reset return_address_pointer_rtx.
- * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
- from RETURN_ADDRESS_REGNUM. Update all uses.
- (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
- zero instead of null on failure.
- (ELIMINABLE_REGS): Add ra->b0 elimination.
- (CAN_ELIMINATE): Update accordingly.
- (INITIAL_ELIMINATION_OFFSET): Likewise.
- (REGISTER_NAMES): Use an illegal assembler name for
- RETURN_ADDRESS_POINTER_REGNUM.
-
-2000-06-13 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
- GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
- (REG_CLASS_NAMES): Likewise.
- (REG_CLASS_CONTENTS): Likewise.
- (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
- (HARD_REGNO_MODE_OK): Remove references to them.
- (REGNO_REG_CLASS): Likewise.
- (REG_CLASS_FROM_LETTER): Likewise.
- (CLASS_MAX_NREGS): Likewise.
- (REGISTER_MOVE_COST): Likewise.
- * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
- * config/ia64/ia64.md (*): Replace "e" constraints with "f".
- (movqi_internal): Special case moves from zero.
- (movhi_internal, movsi_internal): Likewise.
- (movdi_internal): Likewise. Fill out "f" constraints.
- (movsf_internal): Fill out "r" constraints.
- (movdf_internal): Likewise.
-
-2000-06-13 Richard Henderson <rth@cygnus.com>
-
- * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
- alive before reload.
-
- * haifa-sched.c (struct deps): Add in_post_call_group_p.
- (add_dependence): Handle notes between SCHED_GROUP_P insns.
- (remove_dependence): Always define.
- (set_sched_group_p): New.
- (sched_analyze_2): Use it.
- (sched_analyze_insn): Don't special-case naked uses. Look for
- and extend in_post_call_group_p.
- (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
- (init_deps): Clear in_post_call_group_p.
-
-2000-06-13 Richard Henderson <rth@cygnus.com>
-
- * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
- CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
- and hard-coded tests.
- (simplify_set): Likewise.
- (gen_lowpart_for_combine): Likewise.
- * emit-rtl.c (gen_lowpart_common): Likewise.
- * global.c (find_reg): Likewise.
- * local-alloc.c (find_free_reg): Likewise.
- * recog.c (register_operand): Likewise.
- * regclass.c (init_reg_sets_1): Likewise.
- (record_operand_costs, regclass): Likewise.
- * reload.c (push_reload): Likewise.
- * reload1.c (choose_reload_regs): Likewise.
- * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
- * local-alloc.c (struct qty): Rename changes_size to changes_mode.
- Update all references.
- * regs.h (struct reg_info_def): Likewise.
- (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
- * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
- (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
-
- * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
- (CLASS_CANNOT_CHANGE_MODE_P): New.
- * config/mips/mips.h: Likewise.
- * config/pa/pa32-regs.h: Likewise.
- * config/pa/pa64-regs.h: Likewise.
- * config/rs6000/rs6000.h: Likewise.
- * config/sh/sh.h: Likewise.
- * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
- (CLASS_CANNOT_CHANGE_MODE_P): New.
- * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
- * config/d30v/d30v.h: Likewise.
-
-2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * configure.in: Add AC_TYPE_GETGROUPS test.
- * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
- * configure: Rebuilt.
- * config.in: Rebuilt.
-
-2000-06-13 Richard Henderson <rth@cygnus.com>
-
- * explow.c (set_mem_attributes): Do nothing for NULL type.
-
-Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
-
- * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
- correctly.
-
-2000-06-13 James E. Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
-
-Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
-
- * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
-
-2000-06-13 Philipp Thomas <pthomas@suse.de>
-
- * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
- * configure: Rebuilt.
-
-2000-06-07 David O'Brien <obrien@FreeBSD.org>
-
- * configure.in: Adjust FreeBSD bits to match changes to config.guess.
- We now default to ELF for the i386, and a.out is the special case.
- * configure: Rebuilt.
-
-Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * final.c (final_scan_insn): Delete notes between cc0 setter and
- user when restarting from setter.
-
-2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
- cast to squelch signed/unsigned warnings.
-
-2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (handle_directive): Print non-NUL-terminated string
- with %.*s.
-
-2000-06-12 Michael Meissner <meissner@redhat.com>
-
- * ifcvt.c (dead_or_predicable): Don't do conditional execution
- path if the machine needs extra support to do conditional
- execution.
-
-Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
-
- * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
- to print the alias set.
- * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
-
-2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * config/float-vax.h: Add GFLOAT defines.
-
-Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
-
- * configure.in: Update tm dependencies for MPE.
- * configure: Rebuilt.
-
-2000-06-12 H.J. Lu <hjl@gnu.org>
-
- * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
-
-2000-06-12 David Edelsohn <edelsohn@gnu.org>
-
- * aix41.h (SUBTARGET_SWITCHES): Delete threads.
- (CPP_SPEC): Change mthreads to pthread.
- (LIB_SPEC): Likewise.
- (STARTFILE_SPEC): Likewise.
- * aix43.h (SUBTARGET_SWITCHES): Delete threads.
- (CPP_SPEC): Change mthreads to pthread.
- (LIB_SPEC): Likewise.
- (STARTFILE_SPEC): Likewise.
- * rs6000-protos.h (reg_or_arith_cint_operand): New.
- * rs6000.c (reg_or_arith_cint_operand): New.
- (num_insns_constant_wide): Decorate unsigned constant.
- * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
- * rs6000.md (addsi3): Use new predicate.
- (subsi3, adddi3, subdi3): Likewise.
-
-2000-06-12 Mark Mitchell <mark@codesourcery.com>
-
- * c-common.c (lang_get_alias_set): Fix typo.
-
-2000-06-12 Richard Earnshaw <rearnsha@arm.com>
-
- * flow.c (mark_used_regs): Revert last change.
- (life_analysis): Remove PROP_AUTOINC if running after reload.
- (propagate_one_insn): PROP_AUTOINC is always off after reload.
-
-2000-06-11 Richard Earnshaw <rearnsha@arm.com>
-
- * flow.c (mark_used_regs): Don't call find_auto_inc after reload
- has run.
-
-2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * bb-reorder.c (build_scope_forest): Initialize variable
- `curr_scope'.
-
- * calls.c (expand_call): Likewise for variables
- `save_pending_stack_adjust' and `save_stack_pointer_delta'.
-
- * i386.c (function_arg_advance, function_arg): Cast to avoid
- signed/unsigned warnings.
-
- * i386.h (MEMORY_MOVE_COST): Likewise.
-
- * ifcvt.c (cond_exec_process_if_block): Initialize variables
- `else_start' and `else_end'.
-
- * libgcc2.h (__eh_alloc, __eh_free): Prototype.
-
- * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
-
-2000-06-10 Mark Mitchell <mark@codesourcery.com>
-
- * Makefile.in (libintl.a): Depend on intl.all.
-
-2000-06-09 H.J. Lu (hjl@gnu.org)
-
- * Makefile.in (c-parse.o): Also depend on output.h.
-
-2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
-
- * mcore-protos.h: discards const warning removal.
- * mcore.c: discards const warning removal.
-
-2000-06-09 Kazu Hirata <kazu@hxi.com>
-
- * config/h8300/lib1funcs.asm: Declare the machine architecture at
- the beginning of the file.
-
-2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * real.h: Add prototype for ldexp.
-
-2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
- it ggc_alloc, drop second argument, never clear returned memory.
- * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
- (ggc_alloc_cleared): New.
- * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
- ggc_alloc_obj. Remove ggc_alloc macro.
- (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
-
- * rtl.c (rtvec_alloc): Clear the vector always.
- (rtx_alloc): Clear the first word always. Remove dirty
- obstack tricks (this routine is no longer a bottleneck).
- * tree.c (make_node): Clear the new node always.
- (make_tree_vec): Likewise.
- (tree_cons): Clear the common structure always.
- (build1): Likewise; also, clear TREE_COMPLEXITY.
- * gengenrtl.c: Use puts wherever possible. Remove extra
- newlines.
- (gendef): Clear the first word of an RTX in the generator
- function, irrespective of ggc_p. Initialize '0' slots to
- NULL.
- (genlegend): Don't generate obstack_alloc_rtx routine, just a
- thin wrapper macro around obstack_alloc.
-
- * stmt.c (expand_fixup): Use ggc_alloc.
- * c-typeck.c (add_pending_init): Use ggc_alloc.
- * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
- * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
- const0_rtx when it is created.
- (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
- we are not in a function.
-
- * tree.c (tree_class_check_failed): Make second arg an int.
- * tree.h: Update prototype.
-
-2000-06-09 Geoff Keating <geoffk@cygnus.com>
-
- * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
- of an error_mark_node.
-
-Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (asm_output_section_name): bugfix.
-
-2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
-
- * timevar.def: Add TV_EXPAND.
- * timevar.c (timevar_print): Update timing information.
- * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
-
- * stmt.c (expand_return): Check for error_mark_node.
-
-2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
-
- * scan-types.sh (VALUE) Wrap use with double quotes to protect
- variable against filename expansion when it contains "char *".
-
- * system.h (SSIZE_MAX): Delete backup definition.
-
- * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
- instead of SSIZE_MAX.
-
-2000-06-09 Jakub Jelinek <jakub@redhat.com>
-
- * configure.in: Check whether gas supports -relax.
- * configure, config.in: Rebuilt.
- * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
- (EXTRA_SPECS): Add asm_relax.
- (ASM_SPEC): Add %(asm_relax).
- (TARGET_SWITCHES): Add -mrelax and -mno-relax.
- * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
- (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
- (ASM_SPEC): Add %(asm_relax).
- * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
- * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
- never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
- instead of mov, so that gas can further optimize it.
-
-2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
-
- * dwarf2out.c (size_of_die, case dw_val_class_const): Use
- size_of_sleb128.
- (value_format, case dw_val_class_const): Use sdata format.
- (output_die): Call output_sleb128.
-
-2000-06-08 James E. Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
- UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
- ASM_OUTPUT_DWARF_CONST_DOUBLE.
- (output_die, case dw_val_class_unsigned_const): Correct call to
- ASM_OUTPUT_DWARF_DATA8.
- (output_die, case dw_val_class_long_long): Use
- ASM_OUTPUT_DWARF_CONST_DOUBLE.
- * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
- pos is zero.
-
- * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
- (output_function_prologue): Fix mispelling.
- (output_function_prologue, output_function_epilogue): Reorder to
- match ia64.c definition order.
- * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
- (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
- Use r3 instead of r2 for large stack restores.
- (ia64_output_end_prologue): New function.
- (process_set): Emit ".restore sp" for epilogue stack restores.
- * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
-
-2000-06-08 Jakub Jelinek <jakub@redhat.com>
-
- * dbxout.c (dbxout_type_fields): Don't segfault on fields with
- incomplete types.
-
-2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
-
- * frame.c (end_fde_sort): Remove extraneous erratic array test.
-
-2000-06-08 Denis Perchine <dyp@perchine.com>
-
- * frame.c (start_fde_sort): Don't malloc (0).
-
-2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
- error_mark_node.
- * print-tree.c (print_node): The transparent_union_flag means
- different things for unions and arrays. Do not inspect it
- with TYPE_TRANSPARENT_UNION.
-
-2000-06-06 Jakub Jelinek <jakub@redhat.com>
-
- * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
- returned NULL.
-
-Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (asm_output_section_name): output section
- attributes.
- * config/avr/libgcc.S (.text.libgcc): declare section attributes.
-
-2000-06-06 James E. Wilson <wilson@cygnus.com>
-
- * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
- fields into header field.
- (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
- macros to access length, flags, and version info from header field.
- * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
- * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
- (__do_global_ctors_aux): Fix caller.
- * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
- prologue_flag to header. Pass to read_P_record.
- (read_P_record): New argument header. Implement P4 format.
- Multiply P7_T_SIZE by 16.
- (execute_one_ia64_descriptor): New static local region_header. Pass to
- get_unwind_record. Copy r to region_header if r is a header record.
- (print_all_records): Likewise.
- (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
- (__get_personality, __get_except_table): Likewise.
- * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
-
-2000-06-06 Philipp Thomas <pthomas@suse.de>
-
- * configure.in (AC_C_INLINE): Added.
- * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
- * configure: Regenerate.
-
-2000-06-06 Mark Mitchell <mark@codesourcery.com>
-
- * c-common.h (c_language_kind): New type.
- (c_language): New variab.e
- * c-common.c (lang_get_alias_set): Don't put structures in
- non-zero alias sets in C++.
- * c-decl.c (c_language): Define it.
- * c-lex.c (doing_objc_thang): Remove.
- * c-tree.h (doing_objc_thang): Make it a macro.
- * objc/objc-act.c (lang_decode_option): Set c_language, not
- doing_objc_thang.
-
-2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * diagnostic.c (output_maximum_width): Remove.
- (doing_line_wrapping): Tweak.
- (diagnostic_buffer): New object.
- (global_output_buffer): New object.
- (output_destroy_prefix): New function.
- (default_initialize_buffer): Likewise.
- (reshape_diagnostic_buffer): Likewise.
- (initialize_diagnostics): Likewise.
- (output_clear): Tweak.
- (line_wrapper_printf): Adjust call to init_output_buffer.
- (vline_wrapper_message_with_location): Likewise. Use
- output_destroy_prefix.
- (v_message_with_decl): Likewise.
-
- * diagnostic.h (struct output_buffer): Constify prefix.
- (init_output_buffer, output_get_prefix): Constify.
- (diagnostic_message_length_per_line): Likewise.
- (reshape_diagnostic_buffer): Declare.
- (default_initialize_buffer): Declare.
- (initialize_diagnostics): Declare.
- (diagnostic_buffer): Declare new obbject.
-
- * toplev.c: #include diagnostic.h
- (display_help): Document diagnostic formatting options.
- (decode_f_option): Handle diagnostic formatting options.
- (main): Setup initialization for diagnostic messages outputter.
-
- * toplev.h (set_message_length): Remove.
-
- * Makefile.in (toplev.o): Depends upon diagnostic.h
-
- * invoke.texi : Document diagnostics formatting options.
-
-Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
-
- * configure.in (Make the links): Typo fix : the file that must be
- included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
- * configure: File rebuilt.
-
-2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
-
- * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
- (eh_context): Add alloc_mask and alloc_buffer emergency fallback
- space.
- * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
- emergency eh_context buffer, if malloc fails.
- (__eh_free): Moved from cp/exception.cc. Release to emergency
- eh_context buffer, if appropriate.
-
-2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
-
- * expr.c (store_expr): Fix typo.
-
-2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * m68k.c (legitimize_pic_address): Move prototype ...
-
- * m68k-protos.h (legitimize_pic_address): ... here.
-
- * m68k.md (legitimize_pic_address): Delete prototypes.
- (untyped_call): Invoke GEN_CALL(), not gen_call().
-
- * nextstep.c: Include system.h and toplev.h.
- (get_directive_line): Don't prototype.
- (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
-
- * nextstep.h (handle_pragma): Prototype.
- (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
- objc_section_init ...
- (EXTRA_SECTION_FUNCTIONS): ... here.
-
-Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * sdbout.c (struct sdb_file): NAME now const.
- (sdbout_init): input_file_name now const.
- (sdbout_start_new_source_file): FILENAME now const.
- * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
-
-2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * c-typeck.c (build_conditional_expr): Handle complex data types.
-
-2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
-
- * explow.c (maybe_set_unchanging): New function, broken out from...
- (set_mem_attributes): Here.
- * expr.h: Declare it.
- * stmt.c (expand_decl): Call it.
-
-2000-06-05 Richard Henderson <rth@cygnus.com>
-
- * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
- while looking for a register to inherit from.
-
-2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
-
- * Makefile.in (libgcc.ready): Lose.
- (libgcc.mk): Just use mv, not move-if-change.
- (LIBGCC_DEPS): New macro.
- (libgcc.a): Use it.
- (stmp-multilib): Likewise.
- * mklibgcc.in (stmp-dirs): New target. Make everything depend on
- it rather than the directories themselves.
- (LIB2ADD): Depend on the list file rather than 'force'.
-
- * fold-const.c (fold, case COND_EXPR): Elide conversion between
- cv-qualified versions of types.
-
-Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * config/sparc/sparc.c (short_branch): Correct error in range
- computation.
-
-2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * fixinc/inclhack.def: New include hacks for ultrix.
- * (nested_ultrix): Replaced by ultrix_nested_svc.
- * (ultrix_atof_param): test_text string added.
- * (ultrix_ifdef): Modified select string.
-
-2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
-
- * objc/objc-act.c (generate_method_descriptors): Register
- objc_method_prototype_template as a GC root.
- (comp_method_with_proto): Register function_type as a GC root.
- (comp_proto_with_proto): Replace function_type1 and
- function_type2 with a two-element array; register it as a GC root.
-
- (generate_protocols, build_protocol_initializer,
- generate_protocol_list, build_category_initializer,
- build_shared_structure_initializer): Do not cache cast_type
- and/or cast_type2.
-
-2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * function.c (assign_parms): Add missing argument to set_mem_attributes
- call.
-
-2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
-
- * tree.h (VOID_TYPE_P): New macro.
- (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
- * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
- (get_parm_info): Likewise.
- (store_parm_decls): Likewise.
- (combine_parm_decls): Likewise.
- (finish_function): Likewise.
- * c-typeck.c (build_function_call): Likewise.
- (build_binary_op): Likewise.
- (build_conditional_expr): Likewise.
- (internal_build_compound_expr): Likewise.
- (convert_for_assignment): Likewise.
- * stmt.c (expend_expr_stmt): Likewise.
- (warn_if_unused_value): Likewise.
- (expand_return): Likewise.
- * c-parse.in (primary): Likewise.
- * c-parse.y, c-parse.c, c-parse.h: Regenerate.
- * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
-
-Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c (get_alias_set): If compnent is addressable, use alias
- set of component.
- * c-decl.c (init_decl_processing): Don't call record_component_aliases.
- (grokdeclarator): Likewise.
- * c-typeck.c (common_type): Likewise.
-
-2000-06-04 Alex Samuel <samuel@codesourcery.com>
-
- * Makefile.in (OBJS): Remove dyn_string.o
- (dyn-string.o): Delete rule.
- * dyn-string.c: Delete file
- * dyn-string.h: Likewise.
-
-2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (intl.*): Honor non-zero exit codes in the intl
- subdir.
-
-2000-06-03 Geoff Keating <geoffk@cygnus.com>
-
- * alias.c (record_component_aliases): Don't inspect
- DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
-
-Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
-
- * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
- it with the pattern to do machine dependent work.
- (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
- use it to modify the true/false tests used in conditional
- execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
- defined, invoke them if the conversion to conditional execution
- was successful or not.
-
- * tm.texi (IFCVT_MODIFY_TESTS): Document.
- (IFCVT_MODIFY_INSN): Ditto.
- (IFCVT_MODIFY_FINAL): Ditto.
- (IFCVT_MODIFY_CANCEL): Ditto.
-
-Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
-
- * toplev.c (main): Fix misspellings of possibility and language.
-
-2000-06-03 Richard Henderson <rth@cygnus.com>
-
- * alias.c (record_alias_subset): Initialize has_zero_child in the
- superset.
-
-2000-06-03 Richard Earnshaw (rearnsha@arm.com)
-
- * arm.md (untyped_call): Use GEN_CALL macro.
-
-2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
-
- * Makefile.in: Use $(MAKE) not "make"
-
-Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c (struct alias_set_entry): New field has_zero_child.
- (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
- (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
- do nothing.
- Call record_component_aliases for aggregate types.
- (record_alias_subset): Set has_zero_child.
- (record_component_aliases, case ARRAY_TYPE): Do nothing if
- TYPE_NONALIASES_COMPONENT.
- (record_component_aliases, case RECORD_TYPE): Test
- DECL_NONADDRESSABLE_P.
- * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
- of TREE_ADDRESSABLE.
- * calls.c (initialize_argument_information): Only test
- TYPE_TRANSPARENT_UNION for UNION_TYPE.
- * function.c (assign_parms): Likewise.
- * integrate.c (function_cannot_inline_p): Likewise.
- * stor-layout.c (finish_record_layout): Don't call
- record_component_aliases.
- * tree.h (struct tree_int_cst): Use struct tree_common.
- (struct tree_real_cst, struct tree_string): Likewise.
- (struct tree_complex, struct tree_identifier): Likewise.
- (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
- (struct tree_block, struct tree_type, struct tree_decl): Likewise.
- (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
- (TYPE_NONALIASES_COMPONENT): New macro.
- (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
- (DECL_NONADDRESSABLE_P): New macro.
- (struct tree_decl): Reorder bits for clarity of how many left;
- add non_adressable.
-
-2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
-
- * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
- * mklibgcc.in (force): New target.
- Make LIB2ADD stuff depend on it.
-
-2000-06-02 Richard Henderson <rth@cygnus.com>
-
- * alias.c (lang_get_alias_set): Remove.
- (get_alias_set): Call it directly, not indirectly.
- * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
- * c-common.h (c_get_alias_set): Don't declare.
- * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
- * expr.h (lang_get_alias_set): Declare as function, not pointer.
-
-2000-06-02 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
- (server_setup): define the server's master pid
- (close_server): actually do the deed IFF we are the server's master
-
-2000-06-02 Jakub Jelinek <jakub@redhat.com>
-
- * c-common.c (c_get_alias_set): Check whether signed_type did not
- return its argument before calling get_alias_set on the result.
-
-2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
-
- * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
-
-Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
- (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
- for TARGET_NOMACSAVE.
- (NOMACSAVE_BIT): Define.
- (TARGET_NOMACSAVE): Define.
- (TARGET_SWITCHES): Add "nomacsave".
-
-2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
-
- * sh.md (untyped_call): Remove excess parameters
-
-2000-06-01 Loren J. Rittle <ljrittle@acm.org>
-
- * fixinc/inclhack.def (osf_namespace_a): Relax expression to
- match that used before the conversion to c_fix style.
- * fixinc/fixincl.x: regenerate
-
-2000-06-01 Stan Cox <scox@cygnus.com>
-
- * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
- macro argument typo.
-
-2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
- error message.
- * cpplib.c (parse_include): Remove support for VAX-C
- "#include starlet" misfeature.
-
-2000-05-31 Laurynas Biveinis <lauras@softhome.net>
-
- * cppfiles.c: conditionally define O_BINARY.
- (open_include_file): pass O_BINARY to open().
-
-2000-06-01 Richard Henderson <rth@cygnus.com>
-
- * i960.c (i960_br_predict_opcode): Remove.
- (i960_print_operand) [+]: Emit branch prediction hints.
- (i960_function_arg): Return early for VOIDmode.
- (i960_round_align): Return early for incomplete types.
- * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
- * i960.md (all conditional branches): Add "%+".
-
-Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c (get_alias_set): Don't call language-specific routine more
- than is needed and clean up code a bit.
- * c-common.c (c_get_alias_set): All references whose type
- is char get alias set 0, but character types need not.
- * varasm.c (make_function_rtl): Don't call set_mem_attributes.
- (make_decl_rtl): Don't call it for FUNCTION_DECL.
-
-2000-06-01 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/tests/base/...: new base result files
-
-Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
- * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
- * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
- will use FCOMI.
-
-2000-06-01 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
-
- * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
- CONSTANT_POOL_ADDRESS_P addresses for .sdata.
- * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
- * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
- (ia64_print_operand) [+]: ... here. Use current_output_insn.
- * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
- * config/ia64/ia64.md (all branch/call patterns): Use %+.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
- remaining edges.
- (find_if_block): Allow THEN with no outgoing edges.
- * flow.c (merge_blocks_nomove): Remove a barrier not following
- a jump as well.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * flow.c (propagate_block): Move initialization of mem_set_list ...
- (init_propagate_block_info): ... here. Also track blocks with
- no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * jump.c (jump_optimize_1): Revert 05-18 change.
-
-2000-05-31 Mark Mitchell <mark@codesourcery.com>
-
- * invoke.texi: Remove documentation for -fguiding-decls.
-
-2000-05-31 Richard Henderson <rth@cygnus.com>
-
- * configure.in: Fix typo last change.
-
-2000-05-31 Philipp Thomas <pthomas@suse.de>
-
- * configure.in (enable-nls): Enable if build == host, i.e. when
- not building a canadian cross compiler.
- (enable-maintainer-mode): Added for use with i18n.
- * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
- cross section of ALL_LINGUAS and LINGUAS.
- * configure: Rebuild.
-
-2000-05-31 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/check.tpl: rework to use test result tree
- * fixinc/Makefile.in: change invocation of check script
- * fixinc/check.diff: No longer needed
- * fixinc/fixincl.x: regenerate
- * fixinc/inclhack.def: add new tests
- * fixinc/tests/base/arch/i960/archI960.h: New test result
- * fixinc/tests/base/curses.h: modified test result
- * fixinc/tests/base/stdio.h: ditto
- * fixinc/tests/base/time.h: ditto
- * fixinc/tests/base/sys/asm.h: ditto
- * fixinc/tests/base/sys/stat.h: ditto
- * fixinc/tests/base/sys/wait.h: ditto
-
-Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
-
- * except.c (clear_function_eh_region): Do not free NULL.
-
-Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
- * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
- (REG_BASE_VALUE): Remove unneeded cast to unsigned.
- (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
- (find_base_decl): New function, from c_find_base_decl in c-common.c.
- (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
- (get_alias_set): Likewise.
- Major rework to do more things and allow language-specific code
- to just handle special-cases.
- (record_alias_subset): Args are HOST_WIDE_INT.
- (record_component_alias): Local vars are HOST_WIDE_INT.
- Don't handle COMPLEX_EXPR.
- (get_varargs_alias_set): Moved from builtins.c.
- (get_frame_alias_set): New function.
- * builtins.c (expand_builtin_return_address): Use frame alias set.
- (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
- for setjmp buffer.
- (get_memory_rtx): Rework to use set_mem_attributes.
- (get_varargs_alias_set): Deleted from here.
- * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
- (c_find_base_decl): Deleted from here.
- (c_get_alias_set): Remove many cases and rework to just handle
- C-specific cases.
- * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
- * c-decl.c (rtl.h, expr.h): Now included.
- (init_decl_processing): Call record_component_aliases on array types.
- (grokdeclarator): Likewise.
- Set TREE_ADDRESSABLE for all fields that are not bitfields.
- * c-typeck.c (common_type): Call record_component_aliases for array.
- * caller-save.c (setup_save_areas): Rework register loop for unsigned.
- Set all save areas to the frame alias set.
- * calls.c (initialie_argument_information): Call set_mem_attributes.
- (compute_argument_addresses, expand_call): Likewise.
- * explow.c (set_mem_attributes): New function.
- (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
- * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
- LEN and OFFSET now HOST_WIDE_INT.
- (clear_by_pieces): Similar changes.
- (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
- (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
- (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
- (clear_by_pieces_1): Likewise.
- (emit_push_insn): Call set_mem_attributes.
- (expand_expr, case INDIRECT_REF): Likewise.
- (expand_expr, case VAR_DECL): Call change_address.
- * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
- tree_low_cst.
- (get_varargs_alias_set, get_frame_alias_set): New decls.
- (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
- (new_alias_set, set_mem_attributes): Likewse.
- * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
- (assign_stack_temp_for_type): Likewise.
- Can split slot even if alias set since can copy.
- Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
- (assign_temp): Use host_integerp and tree_low_cst.
- (put_var_into_stack): Properly handle SAVE_EXPR.
- (put_addressof_into_stack): Likewise.
- (assign_parms): Call set_mem_attributes.
- Delete #if 0 code.
- (fix_lexical_address): Put reference to chain into frame alias set.
- (expand_function_start): Call set_mem_attributes.
- * integrate.c (expand_inline_function): Likewise.
- * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
- * regmove.c (try_apply_stack_adjustment): Likewise.
- * reload.c (push_reload, make_memloc): Likewise.
- * reload1.c (alter_reg): Make alias sets for spilled pseudos.
- * rtl.def (MEM): Update comment.
- * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
- (move_by_pieces): Change length to HOST_WIDE_INT.
- (record_base_value, record_alias_subset): Delete from here.
- * stmt.c (expand_decl): Call set_mem_attributes.
- * stor-layout.c (finish_record_layout): Call record_component_aliases.i
- * toplev.c (compile_file): Call init_alias_once earlier.
- * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
- from here: now in alias.c.
- * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
- (struct tree_decl): Likewise.
- (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
- * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
- (output_constant_def, force_const_mem): Likewise.
-
- * flow.c (propagate_block): If block has no successors, stores to
- frame are dead if not used.
-
-2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
-
- * stmt (expand_end_case): Reorder conversion sequence for jump
- table to avoid extra truncations.
-
-Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
-
- * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
- in the block is more than just a simple conditional branch.
- (noce_process_if_block): Similarly.
-
-Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
- queue.
-
-2000-05-30 Michael Meissner <meissner@redhat.com>
-
- * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
- instructions. Treat LO_SUM operations as loading the full integer
- constant.
-
-2000-05-30 Richard Henderson <rth@cygnus.com>
-
- * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
-
-2000-05-30 Richard Henderson <rth@cygnus.com>
-
- * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
-
-2000-05-30 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/tests/*: Added expected result files for fixinc's make check
- * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
-
-2000-05-30 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.md (*setne_internal): Use match_operator
- instead of working down from insn.
-
-2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * invoke.texi (-Wtraditional): Update WRT function macros.
-
-Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
-
- * except.c (free_exception_table): Do not free NULL.
-
-2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (do_if): Don't save and restore only_seen_white here.
- * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
- and skipping here.
-
-2000-05-29 Richard Earnshaw (rearnsha@arm.com)
-
- * flow.c (mark_used_reg): If a register is unconditionally live,
- remove any conditional death information.
-
-2000-05-29 Richard Henderson <rth@cygnus.com>
-
- * final.c (current_output_insn): New.
- (final_scan_insn): Set it.
- * output.h: Declare it.
-
-2000-05-29 Richard Henderson <rth@cygnus.com>
-
- * stor-layout.c (finalize_record_size): Fix typo.
-
- * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
- if nlabel is null.
-
-2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (cpp_reader): Remove if_stack. Change
- potential_control_macro to a cpp_hashnode *. Add skipping flag.
- * cpphash.h (struct ihash): Change control_macro to a
- cpp_hashnode * and shorten name to cmacro.
- Add NEVER_REINCLUDE constant.
-
- * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
- Examine the cmacro node directly, no need to call cpp_defined.
- (_cpp_execute_include, read_include_file): Set cmacro to
- NEVER_REINCLUDE, not U"".
- * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
- (cpp_get_token): If pfile->skipping is true, discard text and
- keep scanning until we hit a directive; don't expand macros.
-
- * cpplib.c (struct if_stack): Remove if_succeeded, add
- was_skipping. Change control_macro to a cpp_hashnode * and
- shorten name to cmacro. Remove typedef IF_STACK.
- (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
- (conditional_skip, skip_if_group,
- consider_directive_while_skipping): Delete.
- (push_conditional): New.
- (_cpp_handle_directive): Don't process directives other than
- conditionals if we are skipping.
-
- (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
- Update to new scheme.
- (validate_else): Skip rest of line here, unconditionally.
- (_cpp_unwind_if_stack): The stack is per-buffer. Force
- pfile->skipping off.
-
- (all): Remove `scare quotes' from error messages.
-
-2000-05-29 Richard Henderson <rth@cygnus.com>
-
- * function.c (emit_return_into_block): New line_note arg; emit it.
- (thread_prologue_and_epilogue_insns): Attempt to locate a line note
- for the close brace to accompany HAVE_return. Move all line notes
- following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
-
-2000-05-29 Richard Henderson <rth@cygnus.com>
-
- * longlong.h [__alpha] (count_leading_zeros): New.
- (count_trailing_zeros): New.
- (COUNT_LEADING_ZEROS_0): New.
-
- * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
- (alpha_split_conditional_move): New.
- * config/alpha/alpha-protos.h: Prototype them.
- * config/alpha/alpha.h (PREDICATE_CODES): Update.
- (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
- * config/alpha/alpha.md: Update ffs cix commentary.
- (*ze_and_ne): New.
- (*nabssf2, *nabsdf2): New.
- (*mov[qhsd]icc_internal): Use add_operand.
- (if_then_else constant splitters): New.
- (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
- (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
-
-2000-05-29 Richard Henderson <rth@cygnus.com>
-
- * combine.c (force_to_mode) [MINUS]: Convert subtraction from
- a constant to NEG or NOT when conditions allow.
-
- * combine.c (combine_simplify_rtx): Don't create an if_then_else
- unless both args are general_operand. Don't canonicalize plus
- to ior unless it helps.
-
- * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
- instead track register_life_up_to_date. Toggle no_new_pseudos
- around if_convert.
-
-2000-05-28 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
- so output_operand doesn't see them.
-
-Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * lcm.c (make_preds_opaque): Fix comment.
- (optimize_mode_switching): Use NORMAL_MODE instead of
- MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
- FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
- Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
- * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
- (MODE_USES_IN_EXIT_BLOCK): Delete.
- (MODE_AT_ENTRY) Rename to NORMAL_MODE.
- * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
- (MODE_AT_ENTRY): Rename to NORMAL_MODE.
- (MODE_NEEDED): Don't look for USE.
- (EPILOGUE_USES): Define.
-
-Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
-
- * mklibgcc.in (all): Variable initialised to `libgcc'.
-
-2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * toplev.h (skip_leading_substring): New macro.
- * toplev.c (decode_f_option): Use skip_leading_substring instead
- of strncmp.
- (decode_W_option): Likewise.
-
-2000-05-28 Nick Clifton <nickc@cygnus.com>
-
- * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
- modify reg_names.
-
-2000-05-28 Richard Henderson <rth@cygnus.com>
-
- * regclass.c (record_operand_costs): Protect reg_changes_size
- with CLASS_CANNOT_CHANGE_SIZE.
-
- * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
-
-2000-05-28 Richard Henderson <rth@cygnus.com>
-
- * function.c (diddle_return_value): A pcc-style struct return
- returns a pointer.
-
-2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c: Read files in, using mmap if possible, then
- prescan them separately.
- (read_file, read_with_read): New functions.
- * cpplex.c: Don't define UCHAR_MAX.
- (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
- the file here.
-
- * cppinit.c (handle_option): Automatically define __cplusplus,
- __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
- the respective -lang switch.
-
- * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
- prototype): Move to...
- * cpplib.h: ... here. Rename struct hashnode to struct
- cpp_hashnode and give it a typedef. Rename _cpp_lookup to
- cpp_lookup. Add 'fe_value' slot, a union tree_node *.
-
-2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.md (movsi): Constify 'name'.
-
- * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
- (class_can_change_size): New variable.
- (reg_changes_size): New variable.
- (init_reg_sets_1): Initialise class_can_change_size.
- (record_operand_costs): Remove subreg_changes_size.
- Don't pass it around. Instead update reg_changes_size.
- (regclass): Initialise and free reg_changes_size. If a register
- changes size, don't preference it to a class that contains
- registers that can't change size.
- (record_reg_classes): Don't look at subreg_changes_size.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * print-rtl.c (reg_names): Remove const.
- * regclass.c (reg_names): Likewise.
- * regs.h (reg_names): Likewise.
- * hard-reg-set.h (reg_names): Likewise.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (alpha_does_function_need_gp): Test
- TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
- (alpha_expand_prologue): Emit prologue_mcount if needed.
- * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
- * config/alpha/alpha.md (prologue_mcount): New.
- * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
- (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
- * config/alpha/netbsd.h: Likewise.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
- change to config/elfos.h.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (resource.o): Depend on except.h.
- * except.h (output_exception_table_data): Prototype.
- * genconfig.c (gen_peephole2): Prototype.
- * genemit.c (main): Include ggc.h.
- * genoutput.c: Revert parts of last change: include errors.h
- (main): Set progname.
- * recog.c: Include hard-reg-set.h before recog.h.
- * resource.c: Include except.h.
-
- * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
- with RTX_CODE.
- (alpha_write_linkage): Protect with BUFSIZ.
- (alpha_need_linkage): Update prototype.
- * config/alpha/alpha.c (function_arg): Move VMS code here.
- (alpha_links_base): Remove.
- (alpha_links): New.
- (mark_alpha_links_node, mark_alpha_links): New.
- (alpha_write_one_linkage): New.
- (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
- (alpha_write_linkage): Use splay_tree_foreach.
- * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
- to get the linkage symbol.
- (call_value_vms): Likewise.
- * config/alpha/elf.h (output_file_directive): Remove decl.
- (ctors_section, dtors_section): Prototype.
- (sbss_section, sdata_section): Prototype.
- * config/alpha/vms.h (FUNCTION_ARG): Remove.
- (readonly_section, link_section, literals_section): Prototype.
- (ctors_section, dtors_section): Prototype.
- (vms_valid_decl_attribute_p): Remove decl.
- (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
-
-2000-05-27 Geoff Keating <geoffk@cygnus.com>
-
- * reload.c (get_secondary_mem): Don't widen floating-point modes.
-
- * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
- substituting the REG in a (subreg:X (reg:Y ...)).
-
-2000-05-28 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
- first token of a line BOL. Update EOF code for this.
- Remove illegal directive check - it appears in the (not
- yet committed) caller.
- * cpplib.h (BOL): New flag.
-
-2000-05-28 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (_cpp_init_toklist): No comment space to initialise.
- (_cpp_free_toklist): No comment space to free.
- (expand_comment_space): Remove.
- (save_comment_space): Place the comment in the current token and
- not in a separate comment space.
- (_cpp_lex_line): Save comments during plain code and #define
- directives only.
- * cpplib.h (struct _cpp_toklist): Remove comment space.
-
-2000-05-28 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c (parse_assertion): Supply extra argument to
- _cpp_init_toklist.
- * cpplib.c (do_assert, do_unassert): Similarly.
- * cpphash.h (_cpp_init_toklist) Update.
- (_cpp_expand_token_space): New.
- (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
- * cpplex.c (_cpp_init_toklist): New argument.
- (parse_string2): New argument multiline_ok.
- (spell_token): Take a const cpp_token *.
- (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
- (SPELL_ macros): Replace with enum.
- (expand_token_space): Replace with _cpp_expand_token_space.
- Take COUNT argument.
- (IS_DIRECTIVE): Update.
- (_cpp_lex_line): Update token structure before parsing number.
- Don't assume start at beginning of token list.
- (save_comment): Use INIT_TOKEN_NAME.
-
-2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
-
- * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
- -Wmissing-prototypes.
- * configure: Regenerate.
- * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
-
- * builtins.c, calls.c: Change all instances of gen_call_* or
- gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
- * calls.c (struct_value_size_rtx): Separate definition from
- initialization to avoid unused variable warning.
-
- * genflags.c (gen_macro): New function.
- (gen_proto): Call it for gen_call_* and gen_sibcall_*.
- (gen_nonproto): Delete.
- (gen_insn): Put all insns on the same obstack.
- (main): Generate prototypes for everything unconditionally.
-
- * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
- out check for wchar_t.
- * acconfig.h: Add template for ssize_t. Remove @TOP@.
- * system.h: Add infrastructure for defining missing
- TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
- definitions of UCHAR_MAX and SSIZE_MAX.
- * configure: Regenerate.
- * config.in: Regenerate.
-
- * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
- Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
- headers.
- (clean): No need to delete libgcc1.a, libgcc1-asm.a,
- libgcc2.a, or libgcc1.null.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (recog.o): Don't depend on resource.h.
- * recog.c: Don't include resource.h.
- (recog_last_allowed_insn): Remove.
- (recog_next_insn): Remove.
- (struct peep2_insn_data): New.
- (peep2_insn_data, peep2_current): New.
- (peep2_next_insn): New.
- (peep2_regno_dead_p, peep2_reg_dead_p): New.
- (peep2_find_free_register): New.
- (peephole2_optimize): Track life information by insn as we go.
- * recog.h: Update declarations.
- * resource.c (find_free_register, reg_dead_p): Remove.
- * resource.h: Remove their declarations.
- * toplev.c: Include hard-reg-set.h before recog.h.
-
- * genconfig.c (max_insns_per_peep2): New.
- (gen_peephole2): New.
- (main): Call it.
- * genemit.c (output_peephole2_scratches): Generate calls to
- peep2_find_free_register; adjust surrounding code.
- (main): Have insn-emit.c include hard-reg-set.h before recog.h.
- * genrecog.c (change_state): Don't track last_insn.
- (write_action): Write into *_pmatch_len before accepting.
- (write_tree): Adjust peephole2_insns and subroutines to match.
-
- * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
-
- * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
- (hard_int_register_operand): New.
- * config/alpha/alpha-protos.h: Declare it.
- * config/alpha/alpha.h (PREDICATE_CODES): Update.
- * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
- as needed; use peep2_reg_dead_p instead of dead_or_set_p.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * function.c (thread_prologue_epilogue_insns): Don't move the
- line note at the head of the chain. Only force a lineno note
- before the end of block 0.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * gensupport.c (collect_insn_data): Record the maximum number
- of alternatives, not the last seen.
-
- * genoutput.c: Don't include errors.h.
- (struct data): Add lineno member.
- (have_error): New.
- (scan_operands): Use message_with_line instead of error.
- (validate_insn_alternatives): Likewise.
- (gen_insn): Accept and store the pattern's line number.
- (gen_peephole, gen_expand, gen_split): Likewise.
- (main): Don't set progname. Pass line_no to gen_foo.
-
-2000-05-27 Richard Henderson <rth@cygnus.com>
-
- * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
- * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
- * config/d30v/d30v.md (attr predicable): New.
- (all insn patterns): Mark non-predicable patterns; use %: on the rest.
- (andsi3*): Unify into one pattern.
- (iorsi3*, xorsi3*): Likewise.
- (peephole2 patterns): Use peep2_reg_dead_p; verify not a
- conditional return.
- (old cond_exec patterns): Remove.
- (define_cond_exec): New.
-
-Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * tree.h (TREE_CODE_LENGTH): New macro.
- * c-common.c (c_find_base_decl): Use it.
- * expr.c (safe_from_p): Likewise.
- * print-tree.c (print_node): Likewise.
- * tree.c (make_node, copy_node, get_identifier): Likewie.
- (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
- (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
- * fold-const.c (make_range): Likewise.
- (fold): Likewise; also use first_rtl_op.
- * c-iterate.c (collect_iterators): Use first_rtl_op.
- * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
- Use IS_EXPR_CODE_CLASS.
- (preexpand_calls): Likewise.
- * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
- and TREE_CODE_LENGTH.
- * stmt.c (warn_if_unused_value): If no operands, no unused value.
-
-2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
- than '%1(%*)'.
- (movdi_internal64): Likewise.
-
- * config/rs6000/rs6000.md: Correct order of operands for DImode
- boolean patterns.
-
- * config/rs6000/rs6000.c (boolean_or_operator): New function.
- * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
- * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
- * config/rs6000/rs6000.md: Use boolean_or_operator instead of
- boolean_operator for the boolean patterns without NOTs.
-
- * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
- from reg_or_u_cint_operand. Change comment and behaviour.
- (logical_operand): Clean up, add assertion.
- (non_logical_cint_operand): Also check for
- reg_or_logical_cint_operand.
- * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
- * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
- in the expander.
- (xorsi3): Likewise.
- (iordi3): Likewise.
- (xordi3): Likewise.
-
-2000-05-26 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (struct record_layout_info): Rename to (struct
- record_layout_info_s).
- * stor-layout.c (start_record_layout): Replace
- `record_layout_info' with `record_layout_info_s'.
-
-2000-05-26 Richard Earnshaw <rearnsha@arm.com>
-
- * flow.c (find_label_refs): New function.
- (find_basic_blocks_1): Call it for each alternative of a call
- placeholder.
-
-2000-05-26 Richard Earnshaw <rearnsha@arm.com>
-
- * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
- of get_pc.
-
-2000-05-25 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (alpha_comparison_operator): Don't be
- so strict about DImode.
- (alpha_swapped_comparison_operator): Likewise.
- * config/alpha/alpha.md (*setne_internal): Name it. Allow
- any integer output mode.
- (*setcc_internal): Likewise.
- (*setcc_swapped_internal): Likewise.
- (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
- (*mov[qhs]icc_internal): New.
- (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
-
-2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
-
-2000-05-25 Richard Henderson <rth@cygnus.com>
-
- * bb-reorder.c (reorder_block_def): Reorder elements for size.
- Remove add_jump; add next; replace flags with visited.
- (rbd_init): Remove.
- (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
- (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
- (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
- (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
- (RBI): New.
- (reorder_index, reorder_last_visited): Remove.
- (skip_insns_after_block): Rewrite to use a switch.
- (get_common_dest): Remove.
- (chain_reorder_blocks): Remove.
- (record_effective_endpoints): Split out from reorder_basic_blocks.
- (make_reorder_chain): Likewise. Loop until all blocks are placed.
- (make_reorder_chain_1): Renamed from old make_reorder_chain.
- Only construct the reorder chain, do not move insns. Try harder
- to tail recurse.
- (label_for_bb, emit_jump_to_block_after): New.
- (fixup_reorder_chain): Use them. Do bulk block movement. Examine
- and adjust the jump insns appropriately. Fixup basic_block_info.
- (verify_insn_chain): Always define.
- (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
- in allocation size.
- (make_new_scope): Don't write zeros to calloc'd space.
- (build_scope_forest): Rely on xrealloc to DTRT.
- (reorder_basic_blocks): Don't build loop nest. Don't fail if
- profile_arc_flag. Streamline EH test.
-
- * flow.c (redirect_edge_succ, redirect_edge_pred): New.
- * basic-block.h: Declare them.
-
-2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
-
- * emit-rtl.c (reset_used_decls): New function.
- (unshare_all_rtl_again): Call it.
-
-2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (maybe_macroexpand): Warn about function-like
- macros used in non-function context, if -Wtraditional.
-
-2000-05-25 Mark Mitchell <mark@codesourcery.com>
-
- * recog.c (peephole2_optimize): Use INSN_P.
-
-2000-05-25 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (seq_contains_jump): New.
- (noce_try_store_flag_constants): Use it to fail conversion.
- (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
-
-2000-05-25 Mark Mitchell <mark@codesourcery.com>
-
- * except.h (can_throw): Declare it.
- * except.c (can_throw): Give it external linkage.
- * resource.c (find_dead_or_set_registers): Use can_throw.
-
-2000-05-25 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_set_1): Don't record conditionally dead memory.
-
-2000-05-25 Jan Hubicka <jh@suse.cz>
-
- * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
- and pc_set at the place of simplejump_p and condjump_p.
- * cse.c (record_jump_equiv): Likewise.
- * emit-rtl.c (emit): Likewise.
- * explow.c (find_next_ref): Likewise.
- * flow.c (tidy_fallthru_edge): Likewise.
- (init_propagate_block_info): Likewise.
- * gcse.c (delete_null_pointer_checks): Likewise.
- * ifcvt.c (cond_exec_get_condition, noce_get_condition,
- dead_or_predicable): Likewise.
- * integrate.c (copy_insn_list): Likewise.
- * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
- for_each_insn_in_loop, check_dbra_loop, get_condition,
- insert_bct, load_mems): Likewise.
- * resource.c (find_dead_or_set_registers): Likewise.
- * sibcalls.c (simplejump_p): Likewise.
- * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
-
-2000-05-25 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
- to STRING case. Use doubleword STRING move for TARGET_POWERPC64
- when unaligned.
- * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
- (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
- (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
- * rs6000.md: Name various internal patterns.
-
-2000-05-25 Jan Hubicka <jh@suse.cz>
-
- * jump.c (invert_exp_1): Remove first argument, use pc_set
- to get the expression.
- (redirect_exp): Make static; redirect only the pc_set expression,
- remove first argument.
- (invert_exp): Remove first argument, make static.
- (jump_optimize): Use any_condjump_p, any_uncondjump_p and
- any_onlyjump at most places where we originaly did condjump_p
- and simplejump_p.
- (jump_back_p, follow_jumps, thread_jumps): Likewise.
- (delete_barrier_succesors): Use pc_set.
- (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
- calls of invert_exp and redirect_exp.
- * rtl.h (redirect_exp, invert_exp): Remove.
- * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
-
-2000-05-25 Richard Henderson <rth@cygnus.com>
-
- * stmt.c (expand_end_bindings): Fix thinko last change.
-
-2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
- Andrew Haley <aph@cygnus.com>
-
- * except.c (func_eh_entry): Add emitted field.
- (new_eh_region_entry): Set emitted field to 0;
- (output_exception_table_entry): Only emit previously un-emitted data,
- and send it to the eh_data section.
- (output_exception_table): Break out common parts. Output
- exception table for entire compilation unit to eh_data section.
- (output_exception_table_data): Common parts of output_exception_table.
- Send output to eh_data section.
- (output_function_exception_table): Output exception table data for
- a single function to eh_data section.
- (free_exception_table): New external to free the table.
- * except.h (free_exception_table): Add prototype.
- (output_function_exception_table): Add prototype.
- * final.c (final_end_function): Output function exception table
- for IA64_UNWIND_INFO.
- (final_scan_insn): Emit any unwind directives for an insn.
-
- * frame-dwarf2.c: New file containing all DWARF 2 specific code
- from frame.c.
- * frame.c: Remove all DWARF 2 specific code.
- * config/ia64/frame-ia64.c: New file.
- (gthread_stuff): Make all gthread available with
- IA64_UNWIND_INFO.
- (dwarf_fde): Define an IA64 struct for dwarf_fde.
- (__register_frame_info, __register_frame): Move to common area of file.
- (__register_frame_info_table, __register_frame_table): Move to common i
- area.
- (__deregister_frame_info, __deregister_frame): Move to common area.
- (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
- (read_uleb128): New version for ia64.
- (get_unwind_record): Read the next IA-64 unwind record.
- (read_R_record): Read a region header record.
- (process_a_b_reg_code): X record helper.
- (read_X_record): Read an X format record.
- (read_B_record): Read a B format record.
- (P3_record_types): List of record types matching the P3 format.
- (P7_record_types): List of record types matching the P7 format.
- (P8_record_types): List of record types matching the P8 format.
- (read_P_record): Read a P format record.
- (init_ia64_reg_loc): Set default fields for a register.
- (init_ia64_unwind_frame): Set defaults for all register records.
- (execute_one_ia64_descriptor): Execute one descriptor record.
- (rse_address_add): Calculate the position of a local reg in memory.
- (normalize_reg_loc): Turn a location descriptor into a memory address.
- (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
- within a specified PC offset range.
- (get_real_reg_value): Given a register location, retrieve its value.
- (set_real_reg_value): Change the value of a register location.
- (copy_reg_value): Copy reg values, if needed.
- (copy_saved_reg_state): Copy all registers that need to be copied.
- (process_state_between): Normalize all frame register records that
- fall within the specified PC range.
- (frame_translate): Take a processed frame description, and turn
- everything into addresses.
- (build_ia64_frame_state ): Find and create frame state record for a PC.
- (get_personality): Get the personality routine for a given frame.
- (get_except_table): Get the exception table for a given frame.
- (record_name): Unwind record names for debugging.
- (print_record): Print and unwind record.
- (print_all_records): Print an entire unwind image.
- (__ia64_backtrace): Print a backtrace.
- (ia64_backtrace_helper): New function.
- (__register_frame_info_aux): New function.
- * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
-
- * frame.h (enum unw_record_type): New unwind record types.
- (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
- (struct unw_r_record, unwind_record): New unwind record structs.
- (struct unwind_info_ptr): Unwind information layout.
- (IA64_UNW_LOC_TYPE_*): Macros for different types for location
- descriptors.
- (struct ia64_reg_loc): Register location description.
- (struct ia64_frame_state): Location of all registers in a frame.
- (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
- * libgcc2.c (__ia64_personality_v1): Personality routine.
- (__calc_caller_bsp): Calculate the bsp register for the caller's
- frame.
- (ia64_throw_helper): Figure out who to return to and set up the
- registers.
- (__throw): Throw routine.
-
- * output.h (assemble_eh_align, assemble_eh_label): New functions
- to generate EH info where we want it.
- (assemble_eh_integer): New function.
- * toplev.c (compile_file): Output module level exception table for
- non-ia64 targets.
- (main): Set exceptions_via_longjump and flag_new_exceptions based
- on IA64_UNWIND_INFO too.
-
- * varasm.c (assemble_eh_label): Generate a label via
- ASM_OUTPUT_EH_LABEL if it has been specified.
- (assemble_eh_align): Generate an alignment directive via
- ASM_OUTPUT_EH_ALIGN if it has been specified.
- (assemble_eh_label): Generate an integer value via
- ASM_OUTPUT_EH_type if they have been specified.
- * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
- (ia64_init_builtins): Add __builtin_ia64_bsp
- and __builtin_ia64_flushrs.
- (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
- IA64_BUILTIN_FLUSHRS.
- * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
- IA64_BUILTIN_FLUSHRS.
-
- * config/ia64/ia64.md (flushrs): New insn to flush the register
- stack. Add to unspec list.
-
- * config/ia64/crtbegin.asm (frame_object): Change size.
- (__do_frame_setup_aux): New function.
- * config/ia64/crtend.asm: call __do_frame_setup_aux.
- * config/ia64/t-ia64 (LIB2ADDEH): Add.
- * Makefile.in (LIB2ADDEH): Add.
- (LIB2ADD): Use LIB2ADDEH.
-
-2000-05-24 Richard Henderson <rth@cygnus.com>
-
- * recog.c (offsettable_address_p): If mode size is zero, assume
- BIGGEST_ALIGNMENT.
-
-2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
-
- * configure.in: Check for -Wno-long-long option support and improve
- handling of warning CFLAGS for stages 1 and 2.
- * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
- * configure: Regenerate.
-
-Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
-
- * gcc.texi: Remove contributor list. Instead include contrib.texi.
- * contrib.texi: New file.
-
-Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * loop.c (basic_induction_var): Avoid double recording of an increment.
-
-Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * Back out this patch:
- Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
- * loop.h (struct induction): Add multi_insn_incr.
- * loop.c (basic_induction_var): New multi_insn_incr argument.
- Set it if we search back through previous insns for the biv.
- (record_biv): New multi_insn_incr argument; fill in struct induction.
- (strength_reduce): Discard an iv with multiple bivs, any of
- which require multiple insns to increment.
-
- * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
-
-Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * rtl.h (loc_mentioned_in_p): Declare.
- * reload.c (loc_mentioned_in_p): Moved from here...
- * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
- Fix loop increment for 'E' handling.
- * loop.c (strength_reduce): When doing biv->giv conversion,
- take multi-insn biv increments into account.
-
-2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
-
- * stmt.c (expand_end_bindings): Look through NOTEs to find a
- BARRIER.
-
-2000-05-24 Mark Mitchell <mark@codesourcery.com>
-
- * calls.c (expand_call): Handle cleanups in tail-recursion
- arguments analagously to cleanups in sibling calls.
-
-2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
- All callers changed.
-
-2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
-
- * expr.c (expand_assignment, store_expr, expand_expr,
- expand_expr_unaligned): Set in_check_memory_usage while emitting
- chkr_check_addr libcall.
-
-2000-05-24 Nick Clifton <nickc@cygnus.com>
-
- * fold-const.c (extract_muldiv): When constructing a
- multiplier/divisor, do not expect const_binop to correctly
- determine if overflow has occured, so check explicitly.
-
-2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
-
- * c-decl.c (build_enumerator): Don't modify the value's type,
- convert it.
-
-2000-05-24 Andreas Jaeger <aj@suse.de>
-
- * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
-
-2000-05-24 Eric Christopher <echristo@cygnus.com>
-
- * configure.in: Redefine inhibit_libc conditions.
- * libgcc2.c: Remove inhibit_libc conditional define.
- * configure: Regenerate.
-
-2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
-
- * configure.in: For --enable-languages=LIST, check for empty LIST.
- * configure: Regenerate.
-
-2000-05-24 Lars Brinkhoff <lars@nocrew.org>
-
- * pdp11.h (STACK_BOUNDARY): Define.
-
-2000-05-24 Jakub Jelinek <jakub@redhat.com>
-
- * ifcvt.c (if_convert): Update life info globally.
-
-2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * emit-rtl.c (unshare_all_decls): New function.
- (unshare_all_rtl): Call it.
-
-2000-05-23 Nick Clifton <nickc@cygnus.com>
-
- * configure.in: Treat 'strongarm' as if it were 'arm' when
- determining cpu type.
-
- * configure: Regenerate.
-
- * config/arm/arm.c: Change 'char *' to 'const char *' for cases
- where constant strings are involved.
-
- * config/arm/arm.h (arm_condition_codes): Change type to 'const
- char *'.
-
- * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
- cases where constant strings are involved.
-
-Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/sh/sh.c (gen_far_branch, split_branches): Update
- to reflect new prototypes for redirect_jump and invert_jump.
- (sh_insn_length_adjustment): Get rid of const warnings.
-
-2000-05-23 Kazu Hirata <kazu@hxi.com>
-
- * invoke.texi (Options for Debugging Your Program or GCC): Update
- the names of dump files.
-
-Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
-
- * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
- * configure: Regenerated.
-
-2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * simplify-rtx.c (SIGN_EXTEND): New macro.
- (simplify_unary_operation, simplify_binary_operation,
- simplify_relational_operation): Use SIGN_EXTEND. Make low
- halves of (low, high) pairs unsigned if they weren't already.
- (simplify_ternary_operation): Cast INTVAL to unsigned before
- comparing to a MODE_BITSIZE.
-
-2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
- rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
-
- * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
- gcc_AC_NEED_DECLARATIONS.
-
- * dwarfout.c: Don't prototype time().
-
- * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
-
- * system.h: Likewise.
-
- * toplev.c: Likewise.
-
-2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-decl.c (pushdecl): Invert sense of test for non-global types.
-
-Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
-
-2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
-
- * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
-
-Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
- (alpha_start_function): Never write ..ng label if VMS or NT.
- (alpha_align_insns): Remove GP_IN_USE arg.
- Alignment now unsigned.
- (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
- * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
- and two define_insn's.
-
-2000-05-22 Richard Henderson <rth@cygnus.com>
-
- * combine.c (simplify_comparison): Use trunc_int_for_mode.
-
-2000-05-22 Richard Henderson <rth@cygnus.com>
-
- * stor-layout.c (place_field): Change rli->size to rli->offset.
-
-2000-05-22 Richard Henderson <rth@cygnus.com>
-
- * function.c (thread_prologue_and_epilogue_insns): Make sure
- existing line number notes appear after the prologue.
-
-Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * config/alpha/alpha.c (alpha_fnname): New static variable.
- (print_operand, case '~'): New case.
- (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
- (alpha_start_function): Set alpha_fnname.
- Write "ng" label if no ldgp; don't write ldgp insn.
- * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
- * config/alpha/alpha.md (prologue_ldgp): New define_insn.
-
-Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
- on deleted labels.
-
-2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
-
- * varasm.c (eh_frame_section): Revert change to argument list.
-
-Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
- (gen_extend_insn, can_fix_p, can_float_p): Likewise.
-
- * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
- dangling "else" that causes "break" to be conditional.
- Also remove unneeded code at start.
-
-Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
-
- * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
- * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
- * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
-
-2000-05-22 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
- just one argument.
-
-Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c (record_component_aliases): New function.
- * tree.h: Clean up some declarations and comments.
- (record_component_aliases): New declaration.
- * tree.c (get_alias_set): If type and has alias set, use it.
-
-2000-05-22 Richard Henderson <rth@cygnus.com>
-
- * simplify-rtx.c (simplify_ternary_operation): Try to simplify
- IF_THEN_ELSE to a setcc form.
- * jump.c (can_reverse_comparison_p): Be prepared for insn null.
-
-2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
- (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
-
-Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
- not a PARALLEL.
-
-2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
- * config/mn10300/mn10300.c (print_operand): Likewise.
-
- * final.c (split_double): Right shift of negative values is not
- portable.
-
- * ifcvt.c (if_convert): Scan and kill dead code.
-
- * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
-
-2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
-
- * diagnostic.c: Eliminate implicit int.
- * except.c, gcc.c: Add static prototypes.
- * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
- * gensupport.c (process_rtx): Use XVEC to initialize vector
- slot of 'split'.
-
- * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
- debug_reg_names instead of static reg_names. If not, define
- global reg_names.
- * regclass.c: Don't define global reg_names unless
- DEBUG_REGISTER_NAMES is defined.
-
- * reload1.c (order_regs_for_reload): Remove unused variable.
- * varasm.c: Include output.h after defaults.h. Define
- eh_frame_section as function of no args, not of unspecified args.
-
- * gcc.c: Constify argbuf; arguments to store_arg,
- process_command, main; elements of struct command and struct
- switchstr; local variables in execute, process_command, main.
-
-2000-05-20 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/inclhack.def: many applications of c_fix=format + tests
- * fixinc/check.diff: regenerated
- * fixinc/fixincl.x: regenerated
-
-Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c: Clarify some comments.
- (record_base_value): REGNO is unsigned.
- * rtl.h (record_base_value): Likewise.
-
- * alias.c (aliases_everything_p): Don't special-case QImode here.
- * c-common.c (c_get_alias_set): Do it here.
- Handle BIT_FIELD_REF by getting alias info for arg.
- Use POINTER_TYPE_P.
-
-2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
-
- * mklibgcc.in: Restore rule to create ${dir}.
-
-Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
-
- * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
- GCC_FOR_TARGET used by MULTILIBS.
- * mklibgcc.in: Make sure each .o file depends on the
- directory it will be in.
- Make the multilib directory depends libgcc.
-
-Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
-
- * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
-
-Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * fold-const.c (make_range): Handle degenerated intervals.
- Fixes c-torture/execute/991221-1.c
-
-Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
- * reload.c (find_equiv_reg): Likewise.
- * alias.c (init_alias_analysis): Likewise.
- Only call prologue_epilogue_contains on insns.
- * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
- * bb-reorder.c (hard-reg-set.h): Include earlier.
- * haifa-sched.c (hard-reg-set.h): Likewise.
- * ifcvt.c (hard-reg-set.h): Likewise.
- * local-alloc.c (hard-reg-set.h): Likewise.
- * loop.c (hard-reg-set.h): Likewise.
- * predict.c (hard-reg-set.h): Likewise.
- * regrename.c (hard-reg-set.h): Likewise.
- * flow.c (hard-reg-set.h): Likewise.
- (reg_set_to_hard_reg_set): New function.
- * bitmap.c (regs.h, basic-block.h): No longer include.
- (bitmap.h): Now include.
- * conflict.c (hard-reg-set.h): Include.
- * profile.c (hard-reg-set.h): Likewise.
- * print-rtl.c (hard-reg-set.h): Likewise.
- * sbitmap.c (hard-reg-set.h): Likewise.
- * toplev.c (hard-reg-set.h): Likewise.
- * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
- * hard-reg-set.h (reg_names): Now constant.
- * regs.h (reg_names): Likewise.
- * regclass.c (reg_names): Likewise.
- * loop.h (basic-block.h): No longer include.
- (bitmap.h): Now include.
- * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
- * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
- (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
-
-2000-05-19 Jan Hubicka <jh@suse.cz>
- Richard Henderson <rth@cygnus.com>
-
- * basic-block.h (struct edge_def): New field "count".
- (struct basic_block_def): Likewise.
- * flow.c (entry_exit_blocks): Add count fileds.
- (split_edge): Keep count information up-to-date.
- (dump_edge_info, dump_flow_info): Dump count fields.
-
- * final.c (count_instrumented_edges): Rename to edge from arc.
- (end_final): Update users.
- * profile.c: Include expr.h, basic-block.h.
- (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
- (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
- (ignore_next_note, return_label_execution_count): Kill.
- (bbg_file_name, da_file_name): Kill.
- (edge_info, bb_info): New structures.
- (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
- (count_instrumented_edges, total_num_edges): Rename to edge from arc.
- (total_num_edges_instrumented): Likewise.
- (init_arc, expand_spanning_tree): Kill.
- (fill_spanning_tree, tablejump_entry_p): Kill.
- (instrument_edges): Rewrite from instrument_arcs to use
- commit_edge_insertions infrastructure.
- (compute_branch_probabilities): Remove arguments; rewrite for
- CFG infrastructure; use rtl_dump_file directly.
- (branch_prob, find_spanning_tree): Likewise.
- (union_groups, find_group): New.
- (init_branch_prob): Make bbg_file_name and da_file_name local.
- (end_branch_prob): Use rtl_dump_file directly.
- (init_edge_profiler): Rename to edge from arc.
- (output_arc_profiler): Kill.
- (gen_edge_profiler): New.
- (output_func_start_profiler): Turn off profiling. Make the
- constructor static when we can.
- * rtl.h (branch_prob, end_branch_prob): Update prototypes.
-
- * toplev.c (DFI_flow): Remove.
- (DFI_cfg, DFI_life): New.
- (dump_file): Update accordingly.
- (compile_file): Call end_branch_prob if profile_arc_flag too.
- (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
- profiling after the CFG is built. Move flow1 life analysis to
- DFI_life. Always estimate remaining probabilities.
-
-2000-05-19 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
-
- * flow.c (make_edges): The sibling call edge to exit is abnormal.
-
-2000-05-19 Richard Henderson <rth@cygnus.com>
-
- * jump.c (redirect_jump): Add delete_unused argument. Don't
- remove labels and code following when LABEL_NUSES goes to zero.
- (invert_jump): Likewise.
- (jump_optimize_1): Fix redirect/invert arguments.
- (do_cross_jump, thread_jumps): Likewise.
- * flow.c (split_edge): Likewise.
- * reorg.c (optimize_skip): Likewise.
- (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
- * profile.c (instrument_arcs): Likewise.
- * loop.c (find_and_verify_loops): Likewise. Fix indentation.
- * rtl.h: Update prototypes.
-
-Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * ssa.c (convert_from_ssa): Tell life_analysis we need death
- notes.
- (make_regs_equivalent_over_bad_edges): Only look at abnormal
- critical edges.
-
-2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (funlike_macroexpand): Make sure not to walk p1
- past l1 when deleting whitespace and markers.
-
- * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
- * cpplib.c (do_unassert): Put the list to compare against on
- the stack.
-
-2000-05-19 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/README: cleaned up old documentation
- * fixinc/check.diff: regenerated & verified on OSR5 on ix86
- * fixinc/check.tpl: compute the list of needed directories
- emit "#if defined(name)" because of conflict
- omit machine name differences from output differences
- * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
- (machine_name): change test text to use `sed' markers
- * fixinc/fixincl.x: regen
-
-Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
- a CONSTRUCTOR.
-
-2000-05-18 Chris Demetriou <cgd@sibyte.com>
-
- * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
- it to match the current practice.
-
-2000-05-18 Mark Mitchell <mark@codesourcery.com>
-
- * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
-
-2000-05-18 Richard Henderson <rth@cygnus.com>
-
- * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
- * rtl.h (insn_dependant_p): Declare it.
- * loop.c (strength_reduce): Use it.
-
-2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
- 16-bit and 64-bit clean-up.
-
-2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
-
- * configure.in (*-pc-msdosdjgpp): Set float_format to none.
- * configure: Rebuilt.
-
-2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
-
- * genopinit.c: Use $ for escape sequences in optab patterns.
- Remove backslashes from optab patterns. Change $A, $B, $C to
- expand to (int) whatever instead of just whatever; remove
- explicit (int) from all optab patterns.
-
- * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
- * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
- genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
- genrecog.c: Remove private copies of xmalloc, xrealloc, and
- xstrdup.
-
-2000-05-18 Richard Henderson <rth@cygnus.com>
-
- * jump.c (jump_optimize_1): Base minimum insn count during
- find_cross_jump on BRANCH_COST.
-
-2000-05-18 Jakub Jelinek <jakub@redhat.com>
-
- * print-rtl.c (print_rtx): Only print note line number as string
- if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
- * final.c (final_scan_insn): Do nothing for note line number 0.
-
-2000-05-18 Jakub Jelinek <jakub@redhat.com>
-
- * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
- from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
- NOTE_INSN_DELETED_LABEL.
-
-2000-05-18 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
- uninitialised data in .rodata not .bss, and do not interpret an
- error in the initialisation value as meaning that the variable
- should be placed in the .bss section.
-
-Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
-
- * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
- not `$ac_cv_prog_cc_cc_c_o'.
- * configure: Regenerated.
-
-2000-05-18 Chris Demetriou <cgd@sibyte.com>
- Richard Henderson <rth@cygnus.com>
-
- * c-common.h (enum c_tree_index): Add g77 type entries.
- (g77_integer_type_node, g77_uinteger_type_node): New.
- (g77_longint_type_node, g77_ulongint_type_node): New.
- * c-decl.c (init_decl_processing): Initialize them.
-
-2000-05-18 Richard Henderson <rth@cygnus.com>
-
- * config/h8300/h8300.md (subs patterns): Use %G to negate.
-
- * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
- (small_power_of_two): Likewise; use exact_log2.
- (adds_subs_operand, one_insn_adds_subs_operand): Remove.
- (output_adds_subs): Remove.
- (two_insn_adds_subs_operand): New.
- (split_adds_subs): New.
- * config/h8300/h8300-protos.h: Update.
- * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
- (CONST_OK_FOR_L): Match strict adds operands.
- (CONST_OK_FOR_N): Match struct subs operands.
- * config/h8300/h8300.md (adds_subs insns): Remove.
- (addhi patterns): Output adds/subs directly.
- (addsi_h8300h): Likewise.
- (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
-
-2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppexp.c (parse_assertion): New.
- (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
- (_cpp_parse_expr): Remove case '#'. Don't set
- parsing_if_directive.
- * cpphash.c (collect_objlike_expansion,
- collect_funlike_expansion, collect_params,
- _cpp_create_definition): The list no longer has a trailing
- VSPACE token.
- * cpphash.h (enum node_type): Add T_ASSERTION.
- (struct hashnode): Remove aschain, add pred.
- (struct predicate): New.
- Update prototypes.
-
- * cpplex.c (expand_token_space): Handle both offset and
- nonoffset lists.
- (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
- (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
- _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
- _cpp_equiv_toklists): New.
- (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
- stop at any single-character token, not just newline.
- (_cpp_lex_token): Remove special cases for #define and #if.
- (cpp_get_token): Expect # as a separate token type. Remove
- DIRECTIVE case.
- (_cpp_get_directive_token): Remove DIRECTIVE case.
- (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
-
- * cpplib.c (_cpp_check_directive): Set dirno and
- SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
- (_cpp_handle_directive): Run # <number> through the same logic
- as normal directives.
- (do_define): Don't set parsing_define_directive. Use
- _cpp_scan_until. The list does not have a VSPACE at the end.
- (do_if): Save, clear, and restore only_seen_white around
- _cpp_parse_expr.
- (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
- (do_assert, do_unassert): Rewrite.
-
- * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
- (LIST_OFFSET): New flag.
- (struct cpp_toklist): Replace dir_handler and dir_flags with
- dirno and flags.
- (struct cpp_reader): Remove parsing_if_directive and
- parsing_define_directive.
-
-2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
- following the cabs decl which terminate on the following line.
- Add the corresponding test_text case.
-
-2000-05-18 Neil Booth <NeilB@earthling.net>
-
- * cppinit.c (cpp_reader_init): Initialise col_adjust and
- default tab stop size.
- (no_num, OPT_ftabstop): New.
- (handle_option): Handle "ftabstop=" command-line option.
- (print_help): Document it.
- * cpplex.c (COLUMN): Remove.
- (handle_newline): Reset col_adjust.
- (skip_whitespace): Update col_adjust as tabs encountered.
- (_cpp_lex_line): Update to use col_adjust. Call
- skip_whitespace for all whitespace.
- * cpplib.h (struct cpp_options): New member tabstop.
- (struct cpp_reader): New member col_adjust.
- (CPP_BUF_COL): Update.
- (CPP_BUF_COLUMN): New.
- * cpp.texi: Document "-ftabstop=" command line option.
-
-Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
-
- * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
- files.
- * configure: Rebuilt.
-
-Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
-
- * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
-
- * tree.c (build_common_tree_nodes): Do not build TI nodes unless
- HOST_BITS_PER_WIDE_INT is >= 64.
-
-2000-05-17 Richard Henderson <rth@cygnus.com>
-
- * jump.c (jump_optimize_1): Remove inactive but real insns
- in jump-to-next-insn optimization.
-
-2000-05-17 Richard Henderson <rth@cygnus.com>
-
- * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
- unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
- Don't call recompute_reg_usage if no_new_pseudos is true.
- * lcm.c (optimize_mode_switching): Move ifdefs outside function.
- Return true if we did work; update global life information.
- * basic-block.h (optimize_mode_switching): Update decl.
-
-2000-05-17 Neil Booth <neilb@earthling.net>
-
- * cpplex.c (expand_name_space): Don't use ptrdiff_t.
-
-2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c: New feature, #pragma system_header.
- * cpp.texi: Document special treatment of system headers, and
- the various mechanisms to get a header that special treatment.
-
-2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * system.h (offsetof): Define at the very end, to ensure we prefer
- the platform's definition if available.
-
-2000-05-16 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
- * fixinc/server.c: likewise
- * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
- + #ifdef debugging code + use #def constant for
- sub-pattern count
- * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
- on C++ math namespace
-
-2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
- Don't check the return value of sprintf. Use asprintf to avoid
- buffer overflows.
-
-Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
-
- * flags.h (warn_unused_function, warn_unused_label,
- warn_unused_parameter, warn_unused_variable, warn_unused_value):
- Replace ``warn_unused''.
- (set_Wunused): Add declaration.
- * toplev.c (set_Wunused): New function.
- (warn_unused_function, warn_unused_label, warn_unused_parameter,
- warn_unused_variable, warn_unused_value): New variables.
- (W_options): Add -Wunused-function, -Wunused-function,
- -Wunused-label, -Wunused-parameter, -Wunused-variable and
- -Wunused-value. Delete -Wunused. Handled in decode_W_option.
-
- * toplev.c (decode_W_option): Update -Wunused flags by calling
- set_Wunused.
- * c-decl.c (c_decode_option): Ditto for -Wall.
-
- * stmt.c (expand_expr_stmt, expand_expr_stmt,
- warn_about_unused_variables): Replace warn_unused with more
- explicit warn_unused_value et.al.
- * function.c (expand_function_end): Ditto.
- * c-typeck.c (internal_build_compound_expr,
- internal_build_compound_expr): Ditto.
- * c-decl.c (poplevel, pop_label_level): Ditto.
- * toplev.c (check_global_declarations): Replace warn_unused with
- check for either warn_unused_function or warn_unused_variable.
-
- * gcc.1, invoke.texi (Warning Options): Document
- -Wunused-function, -Wunused-function, -Wunused-label,
- -Wunused-parameter, -Wunused-variable and -Wunused-value options.
-
-Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
-
- * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
- $(srcdir), not in the current directory.
-
-2000-05-16 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
- assembler supports it.
- (.fini, .init): Use a gp-relative indirect call.
- (__do_global_dtors_aux): Preserve the gp; rebundle.
- (__do_frame_setup): Likewise.
- * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
- (.init): Use a gp-relative indirect call.
- (__do_global_ctors_aux): Preserve the gp.
-
-2000-05-16 Richard Henderson <rth@cygnus.com>
-
- * flow.c (commit_one_edge_insertion): Be prepared for a return
- insn to be inserted on the edge with a normal jump.
- * jump.c (jump_optimize_1): Don't look to create return isns.
-
- * flow.c (flow_delete_insn): Don't adjust reference count of notes.
- * jump.c (jump_optimize_1): Likewise.
- (returnjump_p): Verify the argument is a JUMP_INSN.
- * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
-
-2000-05-16 Nick Clifton <nickc@cygnus.com>
-
- * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
- GET_RTX_CLASS (GET_CODE ()) == 'i'.
- (large_insn_p): Ditto.
- (m32r_is_insn): New function: Return true if the insn contains
- an executable instruction.
- (m32r_adjust_insn): Use m32r_is_insn.
- (m32r_sched_reorder): Use m32r_is_insn.
- (m32r_sched_variable_issue): Use m32r_is_insn.
-
-2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
- VAR_DECL.
-
- * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
-
- * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
- according to given options.
-
-Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
-
- * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
- if X has VOIDmode either.
- (LIMIT_RELOAD_CLASS): Similarly.
-
- * mn10200.md (indirect_jump, tablejump): Use "register_operand",
- not "general_operand" to match the processor's capabilities.
-
-2000-05-16 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/README: corrected return address
- * fixinc/check.diff: regenerate, now that test works
- * fixinc/fixfixes.c(format_fix,format_write): reformatted
- (char_macro_def_fix,char_macro_use_fix): corrected and
- rewrote to use regex to parse the text
- * fixinc/inclhack.def: more testing
- * fixinc/fixincl.x: regenerated
-
- * fixinc/inclhack.def: added several "test_text" attributes
- changed several fixes to use `c_fix = format'
- re-alphabetized the fixes
-
- * fixinc/check.diff: regenerate
- * fixinc/fixincl.x: regenerate
- * fixinc/check.tpl: added `sparc' and `netinet' to the list
- of created dirs
-
-
-2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
-
-2000-05-15 Richard Henderson <rth@cygnus.com>
-
- * toplev.c (rest_of_compilation): Run full jump pass before
- find_basic_blocks of flow2.
-
-2000-05-15 Richard Henderson <rth@cygnus.com>
-
- * jump.c: Fix typos and clarify commentary from last change.
- (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
- (safe_to_remove_jump_p): Remove.
- (condjump_label): Use pc_set.
-
-2000-05-15 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
- that get in the way after reload.
- (cond_exec_process_if_block): Skip a label heading THEN block.
-
-2000-05-15 Richard Henderson <rth@cygnus.com>
-
- * varasm.c (output_constant_pool): Abort instead of converting
- (improperly) deleted labels to zero.
-
-2000-05-16 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (parse_string2): Update comment.
- (cpp_lex_line): No special assertion treatment for '('.
- * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
- * cpplib.h (SYNTAX_ASSERT): Remove.
-
-Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * jump.c (condjump_p): Mark as depreached.
- (any_condump_p): New.
- (any_uncondump_p): New.
- (pc_set): New.
- (safe_to_remove_jump_p): New.
- * rtl.h (any_condump_p, any_uncondjump_p, pc_set
- safe_to_remove_jump_p): Declare.
-
-Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c: Re-install both patches reverted by last patch.
- (struct arg_data): New field tail_call_reg.
- (initialize_argument_information): Initialize tail_call_reg
- (load_register_parameters): New argument flags, use
- tail_call_reg when emiting tail call sequence.
- (expand_call): Update call of load_register_parameters;
- copy unadjusted_args_size to adjusted_args_size.
-
-Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
- and bct_p parameters to flags.
- * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
- * rtl.h (loop_optimize): Update prototype.
- * toplev.c (rest_of_compilation): Update call of loop_optimize.
-
-2000-05-15 Jakub Jelinek <jakub@redhat.com>
-
- * calls.c (expand_call): Move expand_start_target_temps call after
- start_sequence().
-
-2000-05-15 Neil Booth <NeilB@earthling.net>
-
- * cpphash.c (trad_stringify, warn_trad_stringify,
- collect_params): Make some pointers pointers to const.
- * cpplex.c (auto_expand_name_space) Guaranteed to always
- expand by at least one character.
- (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
- (struct token_spelling): Use const U_CHAR * rather than PTR.
- (expand_name_space): Fix up token pointers if name space
- is moved when expanding.
- (INIT_NAME, cpp_scan_line, parse_name, parse_number,
- parse_string2, save_comment, spell_token, cpp_output_list):
- Update so the routines handle tokens with a direct pointer to
- their text, rather than an offset into the token's list's namebuf.
- (_cpp_lex_line): Rearrange for clarity.
-
- * cpplib.c (_cpp_check_directive): Similarly.
- (do_define): Make SYM a pointer to const.
- * cpplib.h (struct cpp_name): Replace offset with direct pointer.
- (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
- (TOK_OFFSET): Delete.
- (TOK_NAME): Update.
-
-2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
- 64-bit ABI.
-
- * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
- into account.
- (logical_u_operand): Delete.
- (non_logical_cint_operand): Rewrite to take MODE into account.
- (non_logical_u_cint_operand): Delete.
- (boolean_operator): New function.
- (print_operand): Add new %q operand.
- * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
- remove logical_u_operand and non_logical_u_cint_operand,
- update logical_operand and non_logical_cint_operand.
- * config/rs6000/rs6000.md: Rewrite the patterns for performing
- logical operations to use %q.
-
- * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
- (movdi): Make similar to movsi.
- * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
- is no such thing as a DImode CONST_DOUBLE.
- * config/rs6000/rs6000.c (output_toc): Likewise.
-
- * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
- codes when old mnemonics are in use. Print register names
- for cc registers when requested.
-
- * optabs.c (expand_float): Don't allow mode widening that causes
- double rounding.
-
- * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
- flags to their current names -maix64 and -maix32.
-
-2000-05-14 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
- and/or after current text of file
- * fixinc/fixlib.c(must_malloc):
- * fixinc/fixlib.h(must_malloc): + reformatting
- * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
- with usages of ``c_fix = wrap;''
- Add several tests and use the ``c_fix = format'' fixer more.
- * fixinc/fixincl.x: regen
- * fixinc/check.diff: regen
- * fixinc/check.tpl: emit the associated header with the missing
- test message
-
-Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
- variables $src and $dst.
-
-2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
- (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
- (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
- (struct output_buffer: emitted_prefix_p, prefixing_rule): New
- fields.
- (set_message_prefixing_rule): Declare.
-
- * diagnostic.c: (current_prefixing_rule): New variable.
- (set_message_prefixing_rule): Define.
- (output_set_prefix): Adjust buffer->emitted_prefix_p.
- (init_output_buffer): Adjust Initialization.
- (output_emit_prefix): Rewrite. Take prefixing rules into account.
-
-Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
-
- * ifcvt.c (if_convert): Do not free NULL.
-
-2000-05-12 H.J. Lu (hjl@gnu.org)
-
- * gthr-dce.h: Add support for libobjc.
- * gthr-posix.h: Likewise.
- * gthr-solaris.h: Likewise.
- * gthr-vxworks.h: Likewise.
- * gthr-single.h: Likewise.
- * gthr-win32.h: Likewise.
-
-2000-05-12 Nick Clifton <nickc@cygnus.com>
-
- * config/fr30/fr30.c (fr30_move_double): New function: Emit code
- to move a double word value.
- (di_operand): New function: Return true if the operand is suitbale
- for a double word move operation.
- (nonimmediate_di_operand): New function: Return true if the
- operand is a DImode register or MEM.
-
- * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
- nonimmediate_di_operand.
-
- * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
- nonimmediate_di_operand.
-
- * config/fr30/fr30.md (movdi): New pattern. Required because
- other patterns generate DImode results.
- (movdi_insn): New pattern.
-
-2000-05-12 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (struct shadow_summary): Define
- bitfields as type unsigned int.
-
-Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/t-avr: Added definition of FLOAT while generates
- fp-bit.c
-
- * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
- peepholes for tst+jump = sbrs/sbrc optimization.
-
-Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
-
- * expr.c (emit_push_insn): Do not adjust stack pointer when
- preallocating.
-
-Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
-
- * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
- * system.h (offsetof): ... to here.
-
-2000-05-12 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
- * final.c (final_end_function): Use app_disable. Rearrange note
- handling into a switch. Emit deleted labels.
- (output_asm_label): Generate label strings for deleted labels.
- * flow.c (tail_recursion_label_list): New.
- (find_basic_blocks_1): Set label_value_list directly. Collect list
- of tail recursion labels from call_placeholders. Don't add deleted
- labels to the label value list.
- (cleanup_cfg): Use free_EXPR_LIST_list.
- (flow_delete_insn_chain): Turn non-removable labels into notes.
- (flow_delete_block): Don't disable deleting the block because of
- a non-removable label.
- (tail_recursion_label_p): New.
- (merge_blocks_move_predecessor_nojumps): Don't disable the merge
- because of a label.
- (merge_blocks_move_successor_nojumps): Likewise. Also move a
- jump table.
- (merge_blocks): Disable a merge because of tail recursion labels.
- * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
- Use a more accurate measure of not merging the join block.
- (find_if_block): Don't disable conversion because of a label.
- (find_if_case_1, find_if_case_2): Likewise.
- * jump.c (duplicate_loop_exit_test): Preserve the kind of list
- element when copying.
- (squeeze_notes): Also leave EH notes.
- (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
- REG_LABEL notes.
- (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
- deleting a label.
- * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
- NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
- referring to a deleted label. Convert tail handling to a switch.
- * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
- for NOTE_INSN_DELETED_LABEL.
- (NOTE): Fix commentary.
- * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
- (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
- (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
- (LABEL_NUSES, LABEL_REFS): Likewise.
- * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
-
-2000-05-12 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/fixfixes.c(format_write): buglet & relaxed rules
- * fixinc/check.diff: updated
- * fixinc/inclhack.def: corrected & added some test_text-s
- * fixinc/genfixes: removed unneeded options to autogen invocation
- * fixinc/fixincl.tpl: Specified the output file
- * fixinc/fixfixes.c: visual appearance
- * fixinc/fixincl.x: regenerate
-
-2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
- CTRL_defn_fix): Delete.
- (fix_char_macro_defines, fix_char_macro_uses): Rename to
- char_macro_def_fix and char_macro_use_fix, respectively. Put
- them into the FIXUP_TABLE. Get the string to search for from
- a c_fix_arg.
-
- (format_write): New function.
- (format_fix): Use it.
-
- (FIX_PROC_HEAD): Constify text parameter.
- (machine_name_fix): Constify all char *s.
- * fixtests.c (skip_quote): Remove double static.
-
- * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
- ctrl_use_quotes): Update for new scheme.
- * fixincl.x: Regenerate.
-
-2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
- DWARF2_DEBUG.
- (DWARF2_ASM_LINE_DEBUG_INFO): Define.
- (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
-
-2000-05-11 Robert Lipe <robertlipe@usa.net>
-
- * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
- * fixincl.x: Regenerate.
-
-2000-05-11 Richard Henderson <rth@cygnus.com>
-
- * calls.c: Revert both 05-09 patches.
-
-2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.c (print_operand): Print FP constants in
- hexadecimal.
- * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
- for FP values.
-
- * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
- and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
-
-2000-05-11 Jason Merrill <jason@casey.cygnus.com>
-
- * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
-
-2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
-
-Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
- * config/avr/avr.c (jump_over_one_insn_p): New function.
- * config/avr/avr.md: New peepholes added. Output test and
- conditional jump to "sbrc" or "sbrs" command.
-
-2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
-
- * cppmain.c (main): Use IS_DIR_SEPARATOR.
-
-2000-05-11 Jakub Jelinek <jakub@redhat.com>
-
- * except.c (find_exception_handler_labels_1): New function.
- (find_exception_handler_labels): Split into two functions, dive
- into CALL_PLACEHOLDERs when looking for exception handler labels.
-
-2000-05-11 Stan Cox <scox@cygnus.com>
-
- * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
- * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
- * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
-
-2000-05-11 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/fixfixes.c (double_slash_fix): obsolete
- (else_endif_label_fix): obsolete
- (format_fix): new, unused as yet
- (main): obsolete
- * fixinc/fixlib.h: added fix description struct for use by format_fix
- * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
- * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
- modules. Removed the vestiges of the script version.
- Added support for "make check".
- * fixinc/check.diff: base diff file (needs work!!)
- * fixinc/check.tpl: quiet the fixup output
- * fixinc/fixtests.c (main): obsolete
- * fixinc/fixincl.sh: don't bother copying fixincl to ..
- * fixinc/fixincl.tpl: provide for arguments to c_fix routines
-
-Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * toplev.c (rest_of_compilation): Remove dead code after
- combine.
-
-2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (collect_funlike_expansion): Make "# is not
- followed by a macro argument name" a pedwarn, not an error.
- Preserve the # in the output. Suppress the warning if lang_asm.
-
-Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
-
- * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
- * configure: Rebuilt.
-
-2000-05-10 Laurynas Biveinis <lauras@softhome.net>
-
- * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
-
-2000-05-10 Kazu Hirata <kazu@hxi.com>
-
- * combine.c (try_combine): Fix a typo.
-
-Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.md (insv): Add comment.
-
-2000-05-10 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
- * mklibgcc.in: Rewrite to not use functions. Don't shortcut
- dependancies on FPBIT and DPBIT.
-
-2000-05-10 Nick Clifton <nickc@redhat.com>
-
- * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
- when optimising for size.
- (mark_used_regs:) Ditto.
- (try_pre_increment_1): Ditto.
-
-2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
- Make error message friendlier.
-
- * cpphash.h (struct hashnode): Use struct hack for name
- member.
- * cpphash.c (struct hashdummy): New.
- (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
- (make_HASHNODE): No need to set ->name pointer. Correct
- setting of p.
- (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
-
-2000-05-10 Richard Henderson <rth@cygnus.com>
-
- * flow.c (find_basic_blocks_1): Remove any spare bb_note
- after completion.
-
-2000-05-10 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
-
-2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
-
- * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
- after we enter .debug.
-
-2000-05-10 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
- abstract instance of a nested inline function.
-
- * stor-layout.c (finish_record_layout): finalize_type_size
- before laying out the pending_statics.
-
-Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (spell_token): New function.
- (spell_string, spell_comment, spell_name): fold into
- spell_token.
- (I, S): Add macros.
- (E, H): Remove macros.
- (save_comment): Save comment opening characters too.
- (_cpp_lex_file): Update to use spell_token. Tidy up comment
- handling.
- * cpplib.h (I, S): Add macros.
- (E, H): Remove macros.
- (TTYPE_TABLE): Update entries for new speller.
- (SYNTAX_ASSERT): Remove.
-
-Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
- when removing escaped newlines. Reverse sense of test for
- escaped newline.
-
-2000-05-09 Richard Henderson <rth@cygnus.com>
-
- * flow.c (find_basic_blocks_1): Do not delete the first
- bb_note we run across.
- (create_basic_block): Use reorder_insns to move an existing
- bb_note to the correct place.
-
-2000-05-09 Richard Henderson <rth@cygnus.com>
-
- * calls.c (expand_call): Increment currently_expanding_call
- before calling optimize_tail_recursion.
-
-Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * reload1.c (reload_combine): Fix errors in last change.
-
-2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * gcc.c (used_arg): Skip over a semicolon at the end of the
- split-up loop; don't break out of it.
-
- * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
- (tree.o): Depend on output.h.
-
- * c-decl.c (pending_invalid_xref_file,
- current_function_prototype_file): Constify.
- (pushdecl): Constify a local char *.
- (define_label): Constify filename parameter.
- * c-lex.c (init_parse): Constify parameter and return value.
- * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
- * c-tree.h: Update prototypes.
- * c-parse.in: Constify filename member of %union, and if_stmt_file.
- * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
- objc/objc-parse.c: Regenerate.
-
- * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
- * dwarfout.h: Update prototypes.
- * expr.c (expand_expr): Constify a local char *.
- * flags.h: Constify main_input_filename.
- * function.c (expand_function_end): Constify filename parameter.
- * genrecog.c (make_insn_sequence): Use a character array for
- c_test_pos.
- (main): Remove unused variables.
- * input.h: Constify input_filename, main_input_filename, and
- file_stack.name. Update prototypes.
- * output.h: Declare first_global_object_name and
- weak_global_object_name here, as const char *.
- * stmt.c (expand_asm_operands): Constify filename parameter.
- * toplev.c (compile_file, push_srcloc, debug_start_source_file):
- Constify filename parameter.
- (input_filename, main_input_filename): Constify.
- * toplev.h: Update prototypes.
- * tree.c: Include output.h. Don't declare
- first_global_object_name or weak_global_object_name. Clean up string
- bashing in get_file_function_name_long.
- * tree.h (struct tree_decl): Constify filename member.
- (input_filename): Constify.
- Update prototypes.
- * varasm.c (first_global_object_name, weak_global_object_name):
- Constify.
- (assemble_start_function, assemble_variable): Clean up string bashing.
-
- * gcc.c: Constify all spec-related strings initialized,
- transitively, from string constants. Constify all strings
- and string variables related to multilibs.
- (set_spec, read_specs): Cast argument to free to PTR.
- (used_arg): Do not modify multilib_matches. Use strncmp plus
- length comparison to compare multilib switches.
- * genmultilib: Constify everything declared in multilib.h.
-
-Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
-
- * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
- as deleted.
-
-Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr-protos.h (extra_constraint): change a type of
- second argument from char to int to avoid warnings.
- (asm_output_byte): Likewise.
-
- * config/avr/avr.c (MAX_LD_OFFSET) New macro.
- (initial_elimination_offset): Handle elimination from
- FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
- (legitimate_address_p): Use MAX_LD_OFFSET.
- (legitimize_address): Likewise.
- (out_movqi_r_mr): Likewise.
- (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
- (out_movsi_r_mr): Use MAX_LD_OFFSET.
- (out_movsi_mr_r): Likewise.
- (out_movqi_mr_r): Likewise.
- (out_movhi_mr_r): Likewise.
- (notice_update_cc): Correct CC for the ashrqi3 with the shift
- count as CONST_INT != 6.
- (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
- shift count is a CONSTANT_P, but not a CONST_INT.
- (ashlhi3_out): Coding style modifications.
- (ashlsi3_out): Likewise.
- (ashrhi3_out): Likewise.
- (ashrsi3_out): Likewise.
- (lshrhi3_out): Likewise.
- (lshrsi3_out): Likewise.
- (ashrqi3_out): Generate shift for any known constant count without
- scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
- but not a CONST_INT.
- (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
- shift count is a CONSTANT_P, but not a CONST_INT.
- (extra_constraint): change a type of
- second argument from char to int to avoid warnings.
- (asm_output_byte): Likewise.
- (asm_file_end): Output size generated commands count as a hex
- number too.
-
- * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
-
- * config/avr/avr.md (addhi3): Fragment commented by &&0 is
- removed.
- (ashlqi3): Values of "length" attribute changed. Shift count
- uses constraints 'n' instead of 'i'.
- (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
- shifts without clobber register.
- (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
- (call_insn): Correct test for which_alternative == 1 (was 0).
- (call_value_insn): Likewise.
-
- * config/avr/t-avr: Remove definition of FLOAT while generates
- fp-bit.c
-
-2000-05-09 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/check.tpl: Template for checking fixes
- * fixinc/inclhack.def: Added 'test_text' for many fixes
- disable hpux8_bogus_inlines on SCO
- * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
-
-Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (expand_call): Reorganize somewhat in order
- to avoid unnecesary recalculation inside loop and make
- tail call failure code cleaner.
-
-Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alias.c (nonlocal_reference_p): Minor reformatting.
- * reload.c (find_equiv_reg): Simplify logic for
- CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
- some some reformatting.
- * reload1.c (reload_combine): Don't assume everything in
- CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
-
-2000-05-08 Richard Henderson <rth@cygnus.com>
-
- * final.c (current_insn_predicate): New.
- (final_scan_insn): Set it.
- * output.h (current_insn_predicate): Declare.
-
- * ifcvt.c (cond_exec_process_insns): New argument prob_val.
- Attach it to call insns.
- (cond_exec_process_if_block): Track probability for true and
- false branches.
- (dead_or_predicable): Likewise.
-
- * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
- (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
- (PROB_VERY_LIKELY, PROB_ALWAYS): New.
- (estimate_probability, expected_value_to_br_prob): Use them.
-
- * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
- * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
- (ia64_expand_prediction): New.
- (emit_insn_group_barriers): Don't look at notes. Emit barriers
- as needed after calls.
- (ia64_epilogue_uses): Mark b0 used.
- * config/ia64/ia64.md (beq_true, beq_false): Remove.
- (bne_true, bne_false): Remove.
- (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
- (br_true, br_false): New. Use predicate_operator and
- ia64_expand_prediction.
- (return_true, return_false): Likewise.
- (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
- (call_internal1, call_value_internal): Likewise.
- (call_value_internal1, call_multiple_values_internal1): Likewise.
-
- * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
-
- * config/ia64/ia64.md (extendsfdf2): Split only after reload.
-
-2000-05-08 Richard Henderson <rth@cygnus.com>
-
- * rtlanal.c (may_trap_p): Consider old-style and volatile
- asms to trap.
-
-Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
-
-2000-05-08 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.h (predicate_operator): Declare.
-
- * config/ia64/ia64.md (extendsfdf2): Split the nop case out
- of existance.
-
- * gensupport.c (process_rtx): Copy and post-process each member
- of the define_insn rtvec individually.
-
-Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (spell_token): New function.
- (TOKEN_LEN): Add 1 for whitespace.
- (_cpp_lex_file): Update to use spell_token.
- * cpplib.h (E): Remove.
- (TTYPE_TABLE): Update CPP_VSPACE entry.
-
-2000-05-08 Richard Henderson <rth@cygnus.com>
-
- * flow.c (init_propagate_block_info): Watch out for conditional
- branch to next instruction, and thus one outgoing edge.
-
- * config/ia64/ia64.c (ia64_encode_section_info): Exit early
- for global register variables; don't special case __[CD]TOR_LIST__;
- mind ggc_p for string allocation.
-
-2000-05-08 Nick Clifton <nickc@cygnus.com>
-
- * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
-
-2000-05-08 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/mkfixinc.sh: fixinc.sco is no longer used
- i?86-*-msdosdjgpp* no longer uses fixincludes
- * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
- * fixinc/inclhack.sh: deleted
- * fixinc/hackshell.tpl: deleted
- * fixinc/inclhack.tpl: deleted
- * fixinc/Makefile.in: Remove dependencies on above
- * fixinc/fixincl.sh: "DO NOT EDIT" text modified
-
-2000-05-08 Andreas Jaeger <aj@suse.de>
-
- * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
- support.
-
-2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
- substitutions.
-
-Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c: Move new lexer definitions and prototypes
- to top. Conditional include these and the code if
- NEW_LEXER is defined. Rename functions whose names
- clash if this code included.
-
-Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
-
- * rtl.def (COND_EXEC): Clarify.
-
- * i386.md (extendsidi2): Clobber (reg:CC 17) in the
- same fashion as zero_extendsidi2.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * config/ia64/ia64.c (predicate_operator): New.
- (ia64_print_operand): Handle 'J'.
- (rtx_needs_barrier): Handle COND_EXEC.
- * config/ia64/ia64.h (BRANCH_COST): Define.
- (PREDICATE_CODES): Update.
- * config/ia64/ia64.md: Docuement used unspec values.
- (attr predicable): New.
- (movxf, movxf_internal): New.
- (extendsfdf2): Don't comment out nop.
- (floatdidf2): Remove.
- (truncxfsf2, truncxfdf2, floatdixf2): New.
- (abssi2, absdi2): Put the neg in the "true" slot.
- (conditional branch instructions): Mark not predicable.
- (cmov*_internal): Use predicate_operator. Split to cond_exec.
- (abs*_internal): Likewise.
- (alloc, set_bsp): Mark not predicable.
- (barrier, insn_group_barrier, flush_cache): Likewise.
- (define_cond_exec): New.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * c-decl.c: Include "tm_p.h".
-
- * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
- (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
- (ia64_expand_op_and_fetch): Declare.
- * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
- (setjmp_operand): Constify variables for XSTR.
- (ia64_encode_section_info): Likewise.
- (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
- values to int.
- (ia64_asm_output_external): Constify name.
- (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
- (process_for_unwind_directive): Provide switch default.
- (ia64_expand_compare_and_swap): Remove unused variables.
- (ia64_expand_builtin): Likewise.
- * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
- for printing.
-
- * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
- (symbolic_operand, function_operand, setjmp_operand): Likewise.
- (shift_count_operand, shift_32bit_count_operand): Likewise.
- (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
- (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
- (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
- (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
- (ia64_expand_builtin): Likewise.
- (call_multiple_values_operation): Make dest_regno unsigned.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * rtl.def (DEFINE_COND_EXEC): New.
- * md.texi: Document it.
-
- * gensupport.c (input_file): Remove.
- (struct queue_elem): Add lineno.
- (rtx_ready_queue): Remove.
- (errors): New.
- (predicable_default): New.
- (predicable_true, predicable_false): New.
- (define_attr_queue, define_attr_tail): New.
- (define_insn_queue, define_insn_tail): New.
- (define_cond_exec_queue, define_cond_exec_tail): New.
- (other_queue, other_tail): New.
- (queue_pattern): New.
- (process_rtx): Add patterns to the appropriate queues.
- (is_predicable, identify_predicable_attribute): New.
- (n_alternatives, collect_insn_data): New.
- (alter_predicate_for_insn, alter_test_for_insn): New.
- (shift_output_template, alter_output_for_insn): New.
- (process_one_cond_exec, process_define_cond_exec): New.
- (init_md_reader): Read the entire file. Process define_cond_exec.
- (read_md_rtx): Return elements from the queues.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_set_1): Don't update conditional life info
- if the register is not_dead.
-
-2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
- (mostlyclean): Also delete fixincl, fixinc.sh, and
- specs.ready, and make clean in the fixinc subdir.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (gensupport.o): Compile for the host.
- (host-prefix gensuuprt.o): Remove.
- (genflags.o): Depend on gensupport.h and OBSTACK_H.
- (genattrtab.o): Likewise.
- (gencodes.o): Depend on gensupport.h.
- (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
- (genpeep.o, genattr.o, genoutput.o): Likewise.
-
- * gensupport.c (obstack, rtl_obstack): New.
- (init_md_reader): Initialize rtl_obstack.
- * gensupport.h (rtl_obstack): Declare.
- (message_with_line): Declare.
-
- * genattr.c: Remove all traces of obstack manipulation.
- * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
- * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
-
- * genattrtab.c (obstack, rtl_obstack): Remove.
- (main): Don't init rtl_obstack.
- * genflags.c: Likewise.
-
- * genrecog.c (message_with_line): Move ...
- * gensupport.c: ... here.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * c-typeck.c (build_c_cast): Remove dead code.
-
-2000-05-06 Richard Henderson <rth@cygnus.com>
-
- * flow.c (split_edge): Don't allocate global_live_at_start for
- the new block unless the old blocks had them as well.
-
- * flow.c (mark_set_1): Respect not_dead when updating reg_live.
-
- * ifcvt.c (noce_process_if_block): Don't use an insn_b from
- test_bb if a or b uses x.
-
-2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.h: Remove conditional #define of __extension__.
- * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
- RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
- (ENABLE_RTL_CHECKING only).
- * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
- CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
- (ENABLE_TREE_CHECKING only).
- * varray.h: Add __extension__ to VARRAY_CHECK macro
- (ENABLE_CHECKING only).
-
-2000-05-06 Richard Earnshaw (reanrsha@arm.com)
-
- Use new tail-calling mechanism on ARM.
- * arm.md (sibcall, sibcall_value): New expands.
- (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
- (tailcalling peepholes): Delete.
- (push_multi): Simplify.
- * arm.c (lr_save_eliminated): Delete definition.
- (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
- (output_return_instruction): Remove checks on lr_save_eliminated.
- (output_arm_prologue): Remove old tail-calling code.
- (arm_output_epilogue): New parameter, really_return. All callers
- changed. Handle tail-calling epilogues.
- * arm.h (lr_save_eliminated): Delete declaration.
- (frame_pointer_needed): Delete declaration.
- * arm-protos.h (arm_output_epilogue): Adjust prototype.
-
- * arm.md (is_thumb): Examine symbol thumb_code, not expression
- TARGET_ARM.
- * arm.c (thumb_code): Define it.
- (arm_override_options): Set it.
- * arm.h (thumb_code): Declare it.
-
-2000-05-06 Richard Earnshaw (reanrsha@arm.com)
-
- * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
-
-2000-05-06 Richard Earnshaw (reanrsha@arm.com)
-
- * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
- bogus clobber to insns.
- (load_multiple_operation, store_mulitple_operation): Don't check
- for it.
- * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
-
- * arm.md (and_scc, ior_scc): Add missing mode.
-
- * arm.md (call_value_symbol): Remove predicate from op2.
-
- * arm.h (SPECIAL_MODE_PREDICATES): Define.
-
-Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (get_subtarget): New function.
- (force_operand, expand_expr, do_store_flag): Use it.
-
- * toplev.c (compile_file): Don't take strlen of NAME if null.
-
-2000-05-06 David Edelsohn <edelsohn@gnu.org>
-
- * xcoffout.c (xcoff_current_include_file,
- xcoff_current_function_file, xcoff_lastfile): Constify char *.
- (xcoffout_source_file, xcoffout_source_line): Make filename 'const
- char *'.
- (xcoffout_declare_function): Make name 'const char *'.
- (xcoffout_end_epilogue): Make fname 'const char *'
- * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
- xcoffout_declare_function, xcoffout_source_line): Match above.
-
- * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
- -maix64 is error.
- * rs6000.c (print_operand): Fix lossage typo.
- (output_cbranch): Remove "cr" decoration for now.
- * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
-
-Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
- constant count.
-
-2000-05-05 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/genfixes: Improve the matching for make target names
-
-2000-05-05 Catherine Moore <clm@cygnus.com>
-
- * c-common.c (decl_attributes): For TYPE_DECLs attach the
- attribute to the decl.
- * c-decl.c (pushdecl): Propagate the USED attribute to the
- type copy.
-
-2000-05-05 Richard Henderson <rth@cygnus.com>
-
- * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
- same way emit_group_load does.
-
-2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
-
- * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
-
- * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
- (main): Likewise.
-
-2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
-
- * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
-
-Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
-
- * config/openbsd.h (LINK_SPEC): pass correct flags to ld
- to support -shared, on platforms with dynamic libraries.
-
-Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
-
- * system.h (S_ISBLK): Provide fallback definition.
-
-2000-05-05 Geoff Berry <geoffb@bops.com>
-
- * extend.texi (Extended Asm): Document inability to give asm
- statements access to condition codes.
-
-2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
-
- * varasm.c (asm_emit_uninitialised): Use 0, not NULL
- as arg 2 of UNIQUE_SECTION.
-
-Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
-
- * predict.c: Remove May 4 change.
- * bb-reorder.c (make_reorder_chain): Do not perform block movement
- if we have predicted the branch at 50-50 probability.
-
-2000-05-05 Richard Henderson <rth@cygnus.com>
-
- * flow.c (init_propagate_block_info): Fix merge error
- in HAVE_conditional_execution code.
-
-Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
- shift cycle for unknown shift count. Also generates dec + brpl.
- (ashlqi3_out): Don't generate dec + brpl which now generates by
- `out_shift_with_cnt'.
- (ashlhi3_out): Likewise.
- (ashlsi3_out): Likewise.
- (ashrqi3_out): Likewise.
- (ashrhi3_out): Likewise.
- (ashrsi3_out): Likewise.
- (lshrqi3_out): Likewise.
- (lshrhi3_out): Likewise.
- (lshrsi3_out): Likewise.
-
-2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
-
- * gcc.c (free_split_directories): Correct typo in explanation
- of make_relative_prefix.
-
-2000-05-04 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
- comparison codes to branch_comparison_operator.
-
-2000-05-04 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
-
-2000-05-04 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
- (DPBIT_FUNCS): Remove _sf_to_usi.
- (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
-
- * ifcvt.c (noce_process_if_block): Fail if A or B modified
- between condition and jump.
-
- * libgcc2.c (near eh_context_specific): Comment #endif string.
- * longlong.h: Don't use strings with embedded newlines.
-
-2000-05-04 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000-protos.h: Add output_cbranch.
- * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
- (print_operand): Delete %t and %T codes.
- (output_cbranch): New function. Support branch prediction.
- * config/rs6000/rs6000.md: Use output_cbranch for
- conditional branches and returns.
-
-2000-05-04 Jason Merrill <jason@casey.cygnus.com>
-
- * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
- * stor-layout.c (place_field): Likewise.
- * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
- * expr.c (store_expr): Make align unsigned.
- * explow.c (plus_constant_wide): Make low words unsigned.
- * expmed.c (choose_multiplier): Likewise.
- * fold-const.c (fold): Likewise.
- * tree.h (build_int_2): Likewise.
- * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
- * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
- (init_emit): Change cast to unsigned char*.
- * varasm.c (compare_constant_1): Add cast to char*.
- * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
- * reload1.c (reload): Likewise.
-
- * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
-
-Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
-
- * predict.c (estimate_probability): If no prediction was found, then
- predict the successor that is the next physical block (if such a
- successor exists).
-
-2000-05-04 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
-
-2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
-
-2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
-
- * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
- attribute macros from here ...
- (CPP_SPEC): to here.
- * i386/mingw32.h (CPP_PREDEFINES): Likewise.
- (CPP_SPEC): Likewise.
- * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
-
- * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
- (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
-
-2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
-
- * diagnostic (vbuild_message_string, build_message_string,
- build_location_prefix, output_get_prefix, init_output_buffer,
- output_notice, vline_wrapper_message_with_location,
- v_message_with_decl, default_print_error_function): De-constify.
- (set_real_maximum_length): Prototype.
-
- * diagnostic.h (struct output_buffer, init_output_buffer,
- output_get_prefix, output_set_prefix): De-constify.
-
- * function.c (init_function_start): Constify.
-
- * gensupport.c (remove_constraints, process_rtx): Prototype.
-
- * gthr-posix.h: Indent uses of #pragma.
-
- * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
- Prototype.
-
- * predict.c (find_expected_value): Delete prototype.
- (expected_value_to_br_prob): Initialize variable `ev_reg'.
-
- * sbitmap.h (debug_sbitmap): Prototype.
-
- * ssa.c (compute_coalesced_reg_partition): Prototype.
-
- * stor-layout.c (debug_rli): Prototype.
-
- * tree.h (round_down): Prototype.
- (init_function_start): Constify.
-
-2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
- (overly conservative). Change extern inline wrappers to
- static inline, define them always, use PARAMS properly.
- * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
- whitespace warnings for \f and \v at the beginning of a line.
-
-Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
-
- * haifa-sched.c (schedule_insns): Free the flow edge list when it
- is no longer needed
-
-2000-05-04 Bruce Korb <bkorb@gnu.org>
-
- * fixincl/inclhack.def: added broken_cabs -
- Remove `extern double cabs' declarations from math.h
- * fixincl/inclhack.sh: regen
- * fixincl/fixincl.x: regen
- * fixincl/fixincl.c: Remove BOGOSITY code
- * fixincl/mkfixinc.sh: Remove code for installing "shell" version
-
-Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
- MEM_ALIAS_SET.
- * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
- when calling MEM_COPY_ATTRIBUTES.
- * emit-rtl.c (operand_subword, change_address): Likewise.
- * explow.c (stabilize): Likewise.
- * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
- * integrate.c (copy_rtx_and_substitute): Likewise.
- * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
- when calling MEM_COPY_ATTRIBUTES.
- (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
- Likewise.
- * cse.c (gen_lowpart_if_possible): Likewise.
- * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
- * optabs.c (gen_move_insn): Likewise.
- * recog.c (validate_replace_rtx_1): Likewise.
- * simplify-rtx.c (add_mem_for_addr): Likewise.
- * stmt.c (expand_anon_union_decl): Likewise.
- * config/arm/arm.md: Likewise.
- * config/h8300/h7300.c (fix_bit_operand): Likewise.
- * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
- (block_move_no_loop, block_move_sequence): Likewise.
- * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
- * config/alpha/alpha.c (get_aligned_mem): Likewise.
- Clear MEM_ALIAS_SET.
- * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
- MEM_COPY_ATTRIBUTES.
-
-2000-05-03 Robert Lipe <robertlipe@usa.net>
-
- * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
- to suppress libgcc1.
- (i[34567]86-*-sco3.2v5*) Likewise.
- (i[34567]86-*-sco3.2v4*) Likewise.
- (i[34567]86-*-sco) Likewise.
- (i[34567]86-*-solaris2) Likewise.
- (i[34567]86-*-sysv5*) Likewise.
- (i[34567]86-*-sysv4*) Likewise.
- (i[34567]86-*-udk*) Likewise.
- (i[34567]86-*-sysv*) Likewise.
-
-2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.h (U): New define, to correct type of string constants.
- (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
- routines, to do casts when passing unsigned strings to libc.
- * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
-
- * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
- * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
- * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
- * cpplex.c (parse_ifdef, parse_include, validate_else): Make
- second argument an U_CHAR *.
-
- * cppinit.c (builtin_array): Make name and value U_CHAR *, add
- length field, clean up initializer.
- (ISTABLE): Add __extension__ to designated-
- initializers version.
- * cpplex.c (CHARTAB): Likewise.
-
- * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
- case so the file won't be empty.
-
-Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (struct reorder_block_def): Member succ removed.
- (REORDER_BLOCK_SUCC): Removed.
- (enum reorder_skip_type): Removed.
- (skip_insns_between_block): Renamed to skip_insns_after_block.
- Removed second argument. Removed dead code and cleaned up.
- (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
- (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
- second parameter to skip_insns_after_block.
-
-Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * tree.c (staticp, case LABEL_DECL): New case.
-
-2000-05-03 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (start.encap): Do not depend on LIBGCC1.
-
- * mklibgcc1.in: Fix typo last change.
-
-2000-05-03 Jason Merrill <jason@casey.cygnus.com>
-
- * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
- (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
- (GCC_CFLAGS): Use it.
- (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
- * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
- objc/Make-lang.in: Use it.
-
-2000-05-03 Jason R Thorpe <thorpej@zembu.com>
-
- * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
-
-2000-05-03 Richard Henderson <rth@cygnus.com>
-
- * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
- LIBGCC1 empty with libgcc1.null.
-
-Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
-
- * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
- change.
-
-2000-05-03 Greg McGary <gkm@gnu.org>
-
- * tree.h (tree_common): Add bounded_flag member. Remove
- inaccurate comment about number of remaining bits.
- (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
- BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
- MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
- TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
- TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
- (TYPE_QUAL_BOUNDED): New constant.
- (TYPE_QUALS): Handle bounded qualifier.
- (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
- (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
- TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
- TYPE_AMBIENT_BOUNDEDNESS): New macros.
- (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
- (tree_type): Add pointer_depth member. Remove
- inaccurate comment about number of remaining bits.
- (DECL_POINTER_DEPTH): Add macro.
- (tree_decl): Add pointer_depth member.
-
-Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr-protos.h (test_hard_reg_class): Declared.
- * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
- (lshrhi3_out): Likewise.
- (ashrsi3_out): bugfix in shift by 8.
- (test_hard_reg_class): New function.
- * config/avr/avr.md: Bugfix inside conditions in peepholes.
- (ashlhi3): removed define_expand of this pattern.
- (*ashlhi3_insn): renamed to ashlhi3.
- (ashlsi3): removed define_expand of this pattern.
- (*ashlsi3_insn): renamed to ashlsi3.
- (ashrqi3): removed define_expand of this pattern.
- (*ashrqi3_insn): renamed to ashrqi3.
- (ashrhi3): removed define_expand of this pattern.
- (*ashrhi3_insn): renamed to ashrhi3.
- (ashrsi3): removed define_expand of this pattern.
- (*ashrsi3_insn): renamed to ashrsi3.
- (lshrhi3): removed define_expand of this pattern.
- (*lshrhi3_insn): renamed to lshrhi3.
- (lshrsi3): removed define_expand of this pattern.
- (*lshrsi3_insn): renamed to lshrsi3.
-
-2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
-
- * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
- inclusion of "system.h".
-
-Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.c (ia64_encode_section_info): Add check for
- TREE_ASM_WRITTEN.
-
-2000-05-03 David Mosberger <davidm@hpl.hp.com>
-
- * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
- if -mauto-pic is on.
- (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
- -mconstant-gp is in effect and function-descriptors are being used
- to make indirect calls.
- * config/ia64/ia64.h (MASK_CONST_GP): New macro.
- (MASK_AUTO_PIC): Ditto.
- (TARGET_CONST_GP): Ditto.
- (TARGET_AUTO_PIC): Ditto.
- (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
- (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
- -mno-pic is in effect.
- (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
- * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
- -mauto-pic is in effect.
- (gprel64_offset): New pattern.
- (load_gprel64): Ditto.
- (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
- -mconstant-gp is in effect, no need to preserve gp around direct
- calls.
- (call_value): Ditto.
- * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
- (FUNCTION_PROFILER): Define.
- * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
- @fptr() directive when -mno-pic or -mauto-pic is in effect.
- (ASM_OUTPUT_DESTRUCTOR): Ditto.
-
-2000-05-03 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
- (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
- (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
- (mklibgcc, libgcc.mk): New targets.
- (libgcc.a): Use libgcc.mk.
- (stmp-multilib): Likewise.
- (stmp-multilib-sub): Remove.
- (mostlyclean): Don't delete libgcc2 temp files.
- * configure.in (AC_PROG_CC_C_O): Add.
- (NO_MINUS_C_MINUS_O): Substitute it.
- (all_outputs): Add mklibgcc.
- * mklibgcc.in: New file.
-
-2000-05-03 Jason Merrill <jason@casey.cygnus.com>
-
- * cppexp.c (op_t): Make an int.
-
- * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
-
- * varasm.c (initializer_constant_valid_p): Fix parenthesis.
-
- * gensupport.c (process_rtx): Fix macros used.
-
-2000-05-03 Richard Henderson <rth@cygnus.com>
-
- * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
- call-clobbered registers of a call.
-
-Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * gensupport.c: New file.
- * gensupport.h: New file.
- * Makefile.in (HOST_RTL): Depend on gensupport.
- (gensupport.o) New rule.
- * genattr.c: Use gensupport for reading .md files.
- * genattrtab.c: Ditto.
- * gencodes.c: Ditto.
- * genconfig.c: Ditto.
- * genemit.c: Ditto.
- * genextract.c: Ditto.
- * genflags.c: Ditto.
- * genopinit.c: Ditto.
- * genoutput.c: Ditto.
- * genpeep.c: Ditto.
- * genrecog.c: Ditto.
- * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
- * md.texi (Insn Splitting): Document define_insn_and_split.
-
-Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
-
- * flow.c (verify_flow_info): Added two more sanity checks. The
- first checks that the blocks are numbered consecutively. The second
- checks that n_basic_blocks is actually equal to the number of
- basic blocks in the insn chain.
-
-2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h: Add accessor macros for token lists.
- * cpplib.c, cpphash.c, cpplex.c: Use them.
-
-Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
- memory usage if not in a function.
- * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
- return address if static.
-
-Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
- whether address may trap.
-
-Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder (chain_reorder_blocks): Changed code to test for
- EDGE_FALLTHRU rather than making erroneous assumption that the
- first outgoing edge is the fall-through edge.
-
-Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
-
- * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
- ABI for varargs, across all MIPS. This is incompatible because the
- va_list (__builtin_va_list) structure is different, so a compilation
- unit passing a va_list and a compilation unit being passed one, should
- both be compiled with the same ABI. (The old structure had two
- pointers, now it has three.)
-
-Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (struct reorder_block_def): Remove members end,
- block_begin, and block_end.
- (REORDER_BLOCK_OLD_END): Delete.
- (REORDER_BLOCK_BEGIN): Delete.
- (REORDER_BLOCK_END): Delete.
- (chain_reorder_blocks): Remove dead code.
-
-Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (remove_scope_notes): Check for both types of scope
- notes as the end of a basic block before deleting.
-
-2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
-
- * final.c (final_start_function): Fix spelling of "necessary".
-
-2000-05-02 Jason Merrill <jason@casey.cygnus.com>
-
- * toplev.c (debug_ignore_block): Return int.
- * dwarf2out.c (dwarf2out_ignore_block): Likewise.
- * toplev.h, dwarf2out.h: Adjust.
- * emit-rtl.c (remove_unnecessary_notes): Test return value.
-
- * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
- * toplev.c, final.c, rtl.h: Adjust.
-
-2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
- * configure.in: Look for makeinfo in the unified tree, then
- for a system makeinfo which is sufficiently new.
- * Makefile.in: If configure says makeinfo is too old, don't
- build or install Info documentation.
-
-2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (collect_params): Fix off-by-one error.
- (dump_hash_helper): Dump all four macro nodetypes.
-
-2000-05-02 Jakub Jelinek <jakub@redhat.com>
-
- * cpphash.c (trad_stringify): Adjust p after stringification as
- well.
-
-2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
- (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
-
- * cppfiles.c (file_cleanup): Delete.
- * cpphash.c (macro_cleanup): Delete.
- (collect_objlike_expansion, collect_funlike_expansion,
- macarg, scan_arguments): Remove CPP_POP case.
-
- * cpplex.c (null_cleanup): Delete.
- (cpp_pop_buffer): Do the work that was done in the cleanups
- here. Call _cpp_unwind_if_stack from here.
- (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
- cpp_scan_buffer): Run until we see CPP_EOF and the top of
- stack is the buffer _below_ the one we stacked.
- (cpp_get_token): Always pop an exhausted buffer. Return
- CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
- * cpplib.c (skip_if_group): Don't call cpp_get_token to
- increment the line number.
- (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
-
- * fix-header.c (read_scan_file) [parsing getchar()]: Run until
- we see CPP_EOF and the top of stack is the buffer _below_ the
- one we stacked.
- * scan-decls.c: Likewise.
-
-2000-05-02 Andrew Haley <aph@cygnus.com>
-
- * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
- where this function is called for the second time on a decl that
- has had its section info changed in such a way as to move it out
- of small data/bss.
- * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
-
-2000-05-01 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
- the sequence we're moving, not to merge_bb->head.
-
-2000-05-01 Richard Henderson <rth@cygnus.com>
-
- * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
- reference to alpha/t-linux.
- (alpha*-*-linux-gnu*): Likewise.
- * configure: Rebuild.
-
- * calls.c (expand_call): Don't emit reg notes for a sibcall.
-
- * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
- if not in SSA form.
-
- * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
-
-2000-05-01 Jason Merrill <jason@casey.cygnus.com>
-
- * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
- TREE_THIS_VOLATILE.
-
-2000-05-01 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (noce_emit_cmove): Conditionally compile call to
- emit_conditional_move.
-
-2000-05-01 Jakub Jelinek <jakub@redhat.com>
-
- * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
- as the dynamic linker.
-
-2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (open_include_file): Open file in blocking mode.
- (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
- Only exclude block devices and directories.
-
- * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
- static. Allocate the hashnode and its string in the same
- block of memory.
- (del_HASHNODE): Don't free h->name.
- (_cpp_lookup): If there is no entry for this string, create
- one, of type T_VOID.
- (_cpp_lookup_slot): Delete.
- * cpphash.h: Update prototypes.
-
- * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
- not hp == NULL.
- * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
- do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
- node here, just fill in the value field properly. "Delete"
- entries by setting the value field to T_VOID. Check for
- hp->type == T_VOID, not hp == NULL.
-
- * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
- * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
- hashtab.h.
-
-2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.c (print_operand_address): Do not add
- zero to SP.
-
- * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
- adjusted by less than 256 bytes, use ret regardless of having any
- callee-saved register to restore.
-
-2000-05-01 Laurynas Biveinis <lauras@softhome.net>
-
- * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
-
-2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
-
- * config/i386/djgpp.h (INT_ASM_OP): Define.
- (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
- (ASM_WEAKEN_LABEL): Define.
- (MASK_BNU210): Define.
- (SUBTARGET_SWITCHES): Define.
- (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
- (MAKE_DECL_ONE_ONLY): Define.
- (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
-
-2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
-
- * i386/cygwin.h (INT_ASM_OP): Define.
-
-Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (address_cost): renamed to avr_address_cost.
- * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
-
-Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
- __tmp_reg__ and __zero_reg__ initialization.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
-
- * ifcvt.c (noce_process_if_block): Fail the conversion if X is
- referenced bewteen the condition and the jump. Don't delete
- anything but the jump.
-
-Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (scope_def): New struct.
- (scope_forest_info): New struct.
- (struct reorder_block_def): New member "scope".
- (REORDER_BLOCK_SCOPE): New macro.
- (relate_bbs_with_scopes): New function and prototype.
- (make_new_scope): Likewise.
- (build_scope_forest): Likewise.
- (remove_scope_notes): Likewise.
- (insert_intra_1): Likewise.
- (insert_intra_bb_scope_notes): Likewise.
- (insert_inter_bb_scope_notes): Likewise.
- (rebuild_scope_notes): Likewise.
- (free_scope_forest_1): Likewise.
- (free_scope_forest): Likewise.
- (dump_scope_forest): Likewise.
- (dump_scope_forest_1): Likewise.
- (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
- Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
- block.
- (reorder_basic_blocks): Added calls to build_scope_scope_forest
- and remove_scope_notes before reordering is done. Added calls to
- rebuild_scope_notes, free_scope_forest, and reorder_blocks after
- after reordering is done.
-
-2000-40-30 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/inclhack.def: Added definitions needed by OSR5,
- removed two stale entries (defined away with OLD_CPP).
- * fixinc/inclhack.sh: regen
- * fixinc/fixincl.x: regen
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
- from the last insn in the sequence.
-
-2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (cpp_idcmp): New function.
- * cpplib.h: Prototype it.
- * scan_decls.c (scan_decls): Use it to inspect token names.
- * fix-header.c (read_scan_file): Likewise. Set system_header_p on
- the file being run through the preprocessor.
- (check_macro_names): Provide length of token to cpp_defined.
-
- * Makefile.in: Remove stale warning message.
-
- * cppfiles.c (redundant_include_p): Provide length of token to
- cpp_defined.
- * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
- values are unsigned int.
- (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
- (_cpp_lookup_slot): Do not calculate the hash, either.
- * cpphash.h: Update prototypes.
- * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
- Hashes are unsigned int. Calculate hash here, pass by value
- to _cpp_lookup_slot.
-
-2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * simplify-rtx.c (check_value_useless): Delete function.
- (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
- by hand.
- (cselib_invalidate_regno): Likewise.
- (cselib_invalidate_mem_1): Likewise.
- (references_value_p): Recognize useless values by the fact that they
- have no locations.
- (discard_useless_values): Likewise.
- (cselib_record_set): This may turn a useless value
- into a useful one.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * config/d30v: New port.
-
- * configure.in (d30v-*): Set fp format.
- * configure: Rebuild.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * ifcvt.c: New file.
- * Makefile.in (OBJS): Add it.
- (ifcvt.o): New target.
- * jump.c (jump_optimize_1): Remove all code related to if-conversion,
- and conditional arithmetic.
- (find_insert_position): Remove.
- * timevar.def (TV_IFCVT, TV_IFCVT2): New.
- * toplev.c (DFI_ce, DFI_ce2): New.
- (dump_file): Add ce and ce2 dumps.
- (rest_of_compilation): Run if_convert a couple o times. Set
- cse_not_expected after cse2. Don't set no_new_pseudos until
- after sched1 or recompute_reg_usage.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
- (crtend.o, crtbeginS.o, crtendS.o): Likewise.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * flow.c (struct reg_cond_life_info): New.
- (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
- (init_propagate_block_info): Initialize them.
- (free_propagate_block_info): Destruct them.
- (mark_set_1): Consider conditional life before killing a register.
- (mark_regno_cond_dead): New.
- (free_reg_cond_life_info): New.
- (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
- (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
- (mark_used_reg): Record conditional life.
-
- * haifa-sched.c (schedule_insns): Disable death counting
- sanity check for HAVE_conditional_execution.
-
-2000-04-30 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (TIMEVAR_H): New.
- (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
- (timevar.h): Remove rule.
-
-2000-04-29 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/crtend.asm: Use C comments instead of #.
- * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
-
- * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
-
-2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.h (enum node_type: Take out T_MCONST.
- (union hashval): Move into struct hashnode.
- (struct hashnode): Pack tighter. Remove file, line, col
- members.
- * cpphash.c: Constify most of the macro-definition structures.
- (struct definition): Replace by struct object_defn
- and struct funct_defn. Put file, line, column information
- here. All users updated to match.
- (_cpp_create_definition, _cpp_macroexpand): Remove special
- case for #define WORD OTHERWORD.
- * cpplib.c (do_undef): Remove T_MCONST case.
-
- * cpphash.h: Move struct reflist, struct definition, and the
- DEFINITION typedef to cpphash.c. Use 'struct definition *' in
- union hashval. _cpp_free_definition takes a HASHNODE pointer.
- * cpphash.c (_cpp_free_definition): Free data pointed to by
- MCONST, XCONST, MACRO, and FMACRO nodes properly.
- (_cpp_create_definition, del_HASHNODE): Just call
- _cpp_free_definition to clear out a hashnode.
- * cpplib.c (do_pragma_poison): Likewise.
-
-Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
- LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
- FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
- (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
- (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
- REGNO_AM33_P): Redefine in terms of the new macros.
- (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
- (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
- STRUCT_VALUE): Likewise.
- (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
- ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
-
-Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * regmove.c (struct record_stack_memrefs_data): New.
- (record_stack_memrefs): New function.
- (combine_stack_adjustments_for_block): Use it.
-
-Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
- use special_function_p to detect alloca.
-
-Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
-
- * gcc.texi: Fixes for makeinfo 4.0 --html.
-
-2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
-
- * pcp.h: Delete file.
-
-2000-04-28 Kazu Hirata <kazu@hxi.com>
-
- * h8300.c (function_epilogue): Clean up flags when the last insn
- in a function is a barrier.
-
-2000-04-28 Chris Demetriou <cgd@sibyte.com>
-
- * configure.in (sparc-hal-solaris2*): protect [] glob from
- my expansion.
- (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
- rather than hard-coded constants in target_cpu_default2.
- * configure: Regenerate.
-
-2000-04-28 Jason Merrill <jason@casey.cygnus.com>
-
- * tree.c (get_callee_fndecl): Extract the initial value from
- a readonly decl.
-
-2000-04-28 Richard Henderson <rth@cygnus.com>
-
- * varasm.c (record_constant_1): Record the CODE_LABEL when
- taking the address of a LABEL_REF.
-
-2000-04-28 Richard Henderson <rth@cygnus.com>
- Jan Hubicka <jh@suse.cz>
-
- * calls.c (combine_pending_stack_adjustment_and_call): Return the
- adjustment; don't do the stack adjust.
- (expand_call): Call compute_argument_block_size right before
- allocating the block; update comment; don't do alignment sanity
- checking for sibling call; use args_size instead of
- unadjusted_args_size before args_size is adjusted. Use
- combine_pending_stack_adjustment_and_call to compute stack adjust
- for must_preallocate case.
-
- * expr.c (push_block): Remove shadow `temp' in inner scope.
-
-2000-04-28 Jason Merrill <jason@casey.cygnus.com>
-
- * toplev.c (rest_of_compilation): Call
- note_deferral_of_defined_inline_function even if the function
- can't be inlined.
-
-2000-04-28 Scott Bambrough <scottb@netwinder.org>
-
- * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
-
-2000-04-28 Richard Henderson <rth@cygnus.com>
-
- * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
-
-2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * timevar.c (init_timevar): DeANSIfy function definition.
-
-2000-04-27 Alex Samuel <samuel@codesourcery.com>
-
- * Makefile.in (timevar.o): Depend on flags.h.
- * timevar.c (unused_stack_instances): New variable.
- (timevar_push): Take a timevar_stack_def from
- unused_stack_instances if available.
- (timevar_pop): Push the popped timevar_stack_def onto
- unused_stack_instances.
- (TIMEVAR_ENABLE): New macro.
- (timevar_def): Make standalone a 1-bit field. Add field used.
- (get_time): Rename parameter to now. Return after clearing it if
- not TIMEVAR_ENABLE.
- (init_timevar): Do nothing if not TIMEVAR_ENABLE.
- (timevar_pop): Likewise.
- (timevar_stop): Likewise.
- (timevar_push): Likewise. Mark the timing variable as used.
- (timevar_start): Likewise.
- (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
- timevars that were never used.
-
-2000-04-27 Mark Mitchell <mark@codesourcery.com>
-
- * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
- always TREE_READONLY.
-
-2000-04-27 Ulrich Drepper <drepper@cygnus.com>
-
- * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
- for call instruction with mode QImode.
-
-2000-04-27 Alex Samuel <samuel@codesourcery.com>
-
- * Makefile.in (OBJS): Add timevar.o.
- (toplev.o): Depend on timevar.h.
- (ggc-simple.o): Likewise.
- (ggc-page.o): Likewise.
- (timevar.o): New rule.
- (timevar.h): New rule.
-
- * timevar.h: New file.
- * timevar.c: Likewise.
- * timevar.def: Likewise.
-
- * toplev.h (gc_time, parse_time, varconst_time): Remove.
- * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
- throughout.
- (TIMEVAR): Remove macro.
- (gc_time, parse_time, varconst_time, integration_time, jump_time,
- cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
- flow_time, combine_time, regmove_time, sched_time,
- local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
- sched2_time, dbr_sched_time, reorder_blocks_time,
- rename_registers_time, shorten_branch_time, stack_reg_time,
- to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
- all_time): Remove.
- (compile_file): Don't initialize time variables. Call
- init_timevar and start TV_TOTAL timer. Call timevar_print instead
- of many calls to print_time.
- (rest_of_compilation): Add timing for reload_cse_regs.
- (get_run_time): Removed to timevar.c.
- (print_time): Likewise.
- (get_run_time): Implement using TV_TOTAL time variable.
- (print_time): Get total run time from get_run_time.
- * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
- computing elapsed time explicitly.
- * ggc-simple.c (ggc_collect): Likewise.
- (gc_time): Remove declaration.
-
-2000-04-27 Mark Mitchell <mark@codesourcery.com>
-
- * calls.c (combine_pending_stack_adjustment_and_call): New function.
- (expand_call): Use it.
-
-2000-04-27 Jan Hubicka <jh@suse.cz>
-
- * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
- fields.
-
-Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
- registers.
-
-Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * function.c (epilogue_done): Pass whole insn to record_insns.
-
-Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * cse.c (CSE_ADDRESS_COST): Remove.
- (find_best_addr): Add new parameter "MODE", use address_cost instead
- of CSE_ADDRESS_COST
- (address_cost): New.
- (fold_rtx): Update call of find_best_addr.
- * rtl.h (address_cost): Declare.
- * loop.c (general_induction_var): Add new parameter "MODE", use
- address_cost instead of ADDRESS_COST
- (init_loop): Use address_cost instead of ADDRESS_COST.
- (check_insn_for_givs): Update call of general_induction_var.
- (find_mem_givs): Likewise.
- (consec_sets_giv): Likewise.
- * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
- * i386.c (ix86_address_cost): New.
- * i386-protos.h (ix86_address_cost): Declare.
-
-Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
- registers.
-
-Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * expr.c (store_expr): Use clear_storage instead of direct memset
- libcall.
-
-Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.c (mn10300_address_cost): Test
- ASHIFT, AND and LABEL_REF.
-
-Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * invoke.texi (-foptimize-sibling-calls): Fix.
-
-Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (load_mems) Don't use hard registers for the hoisting.
-
- * unroll.c (unroll_loop): Avoid overflow in the n_iterations
- calculation; rename const_equiv array in the preconditioning code
- from loop_unroll to loop_unroll_precondition
-
-2000-04-27 Richard Henderson <rth@cygnus.com>
-
- * flow.c (struct propagate_block_info): Remove new_dead, new_live;
- add new_set.
- (propagate_one_insn): Clear it. Don't update reg_live here.
- (init_propagate_block_info): Update for pbi member changes.
- (free_propagate_block_info): Likewise.
- (mark_set_1): Know that zero_extract, sign_extract, and
- strict_low_part don't kill their argument. Alter hard subregs.
- Update new_set for non-CLOBBER sets. Update reg_live.
- (find_auto_inc): Update reg_live, not new_dead.
- (mark_used_reg): Update reg_live, not new_live. Examine new_set
- to determine if the reg in question was set this insn. Only update
- reg info with PROP_REG_INFO.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (allocate_reg_life_data): Set max_regno here ...
- (life_analysis): ... not here.
-
- * flow.c (calculate_global_regs_live): Force stack pointer
- live at end.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
- commit change group changes.
- (invert_exp_1): Similarly.
- (redirect_exp, invert_exp): Use them.
- (redirect_jump_1): New.
- (invert_jump_1): New.
- (jump_optimize_1): Remove code subsumed by condexec.c.
- * rtl.h (invert_jump_1, redirect_jump_1): Declare.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
-
- * genconfig.c (main): Set all HAVE_foo to 1.
-
- * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
-
-2000-04-26 Alex Samuel <samuel@codesourcery.com>
-
- * invoke.texi: Document -fssa flag.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (count_reg_sets_1): Remove.
- (count_reg_sets, count_reg_references): Remove.
- (recompute_reg_usage): Implement with update_life_info.
- Reallocate life data.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (update_life_info): Consider blocks null to mean the
- universal set.
- (calculate_global_regs_live): Likewise.
- (life_analysis): Do that instead of collecting all_blocks.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
- a still-valid conditional jump.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
-
- * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
- * flow.c (calculate_loop_depth): Remove.
- * output.h (calculate_loop_depth): Don't declare.
- * toplev.c (rest_of_compilation): Expand calculate_loop_depth
- inline; run estimate_probability at the same time.
-
-2000-04-26 Neil Booth <NeilB@earthling.net>
-
- * cpplib.h: "~=" is not a single pp-token.
- * cpplex.c: Correct commentary.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_set_1): New arguments code and flags; update all
- callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
- test in one place. Tidy flags tests. Don't bias REG_N_REFS by
- loop_depth when optimizing for size. Do new_dead update after
- emitting REG_UNUSED notes. Merge mark_set_reg code.
- (mark_set_reg): Remove.
- (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
- arrange to not emit REG_UNUSED notes.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
- * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (propagate_one_insn): Break out from propagate_block.
- (init_propagate_block_info): Likewise.
- (free_propagate_block_info): Likewise.
- (propagate_block): Use them. Export.
- * basic-block.h: Declare them all.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * basic-block.h (life_analysis): Declare here ...
- * output.h: ... not here.
- * flow.c (life_analysis): Remove nregs parameter; replace
- remove_dead_code with flags. Remove ssa dead code check.
- Only init alias analysis if we'll use it.
- * reg-stack.c (reg_to_stack): Update life_analysis arguments.
- * ssa.c (convert_to_ssa): Likewise.
- (convert_from_ssa): Likewise.
- * toplev.c (rest_of_compilation): Likewise.
-
-2000-04-26 Richard Henderson <rth@cygnus.com>
-
- * flow.c (flow_delete_block): Rename from delete_block. Export.
- * basic-block.h (flow_delete_block): Declare.
-
-2000-04-26 David S. Miller <davem@redhat.com>
-
- * optabs.c (emit_libcall_block): Verify insns with INSN_P before
- taking a PATTERN of it.
-
-2000-04-26 <NeilB@earthling.net>
-
- * cpplex.c (spell_other, spell_char): Remove.
- (SPELL_CHAR): New.
- (token_spelling, trigraph_map): Use unsigned chars.
- (_cpp_lex_line): Tidy up the switch statement.
- * cpplib.h: Implement spell_char with spell_string.
- (C): New.
-
-2000-04-26 <RodneyBrown@pmsc.com>
-
- * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
- * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
-
-2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
- reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
- dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
- dwarf2out_return_save, dwarf2out_return_reg,
- dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
- add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
- gen_compile_unit_die, dwarf2out_init): Constify a char*.
-
- * dwarf2out.h (dwarf2out_init): Likewise.
-
- * dwarfout.c (filename_entry, primary_filename, last_filename,
- type_tag, output_compile_unit_die, dwarfout_init): Likewise.
-
- * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
- dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
- dwarf2out_return_reg): Likewise.
-
-2000-04-26 Andreas Jaeger <aj@suse.de>
-
- * extend.texi (Function Attributes): Fix description of pure
- attribute.
-
-2000-04-26 Jason Merrill <jason@casey.cygnus.com>
-
- * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
- before calling rest_of_compilation.
-
-2000-04-26 Andreas Jaeger <aj@suse.de>
-
- * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
- last patch.
-
-2000-04-25 Richard Henderson <rth@cygnus.com>
-
- * cse.c (cse_insn): Emit barrier after unconditional jump.
-
- * calls.c (expand_call): Disable tail call generation once
- rtx_equal_function_value_matters is false.
-
- * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
- like EDGE_EH edges.
-
-2000-04-25 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
-
- * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
-
- * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
- is the primary DIE for a member function.
- (gen_decl_die): Call set_decl_origin_self here.
- * dwarfout.c (output_decl): And here.
- * integrate.c (output_inline_function): Not here.
- Don't clear DECL_INLINE until after calling rest_of_compilation.
- (set_decl_origin_self): No longer static.
- * tree.h: Add prototype.
- * toplev.c (note_deferral_of_defined_inline_function): Only write
- out abstract instance for actual inlines.
-
-2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
- EXTENDED_REGS only if TARGET_AM33.
- * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
- SP_REGS to register allocation and reloading unless absolutely
- necessary.
- (movsi3): Remove special-case of adding non-constants to SP.
-
-2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
- INCLUDES to search and does not provide any of its own. Also it
- now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
- parameters. Also it does not call AC_DEFINE.
- (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
- AC_DEFINE and provides for automatic entries for autoheader.
- (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
-
- * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
- so we can pass -I flags and include gansidecl.h/system.h in this
- test.
-
- * acconfig.h: Delete all NEED_DECLARATION_* entries.
-
-2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
- ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
- ENABLE_GC_ALWAYS_COLLECT): Delete entries.
-
- * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
- ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
- ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
- for these macros. Clean up spacing and linewraps.
-
-2000-04-26 Jason Merrill <jason@casey.cygnus.com>
-
- * calls.c (expand_call): Use get_callee_fndecl.
-
- * print-tree.c (print_node): Print the chain of an _EXPR.
-
-Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
- Jim Wilson <wilson@cygnus.com>
- Andrew Haley <aph@cygnus.com>
-
- * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
- and gp save/restore problems.
- * config/ia64/crtend.asm: Add IA-64 unwind support.
- * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
- in fr_pad_size calculation.
- (save_restore_insns): Move PR save area. Correct uses of
- RTX_FRAME_RELATED_P.
- (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
- (ia64_expand_epilogue): Add eh_epilogue support.
- (ia64_function_prologue): Emit .prologue directive.
- (ia64_init_machine_status, ia64_mark_machine_status): New functions.
- (ia64_override_options): Set init_machine_status and
- mark_machine_status.
- (rtx_needs_barrier): Handle bsp reads and writes.
- (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
- New static variables.
- (process_set, process_for_unwind_directive): New functions.
- * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
- ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
- ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
- macros.
- (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
- (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
- (struct machine_function): Define.
- * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
-
-2000-04-25 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/Makefile.in: make the removal of old programs more
- robust
- * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
- install-bin and install-sh
-
-2000-04-25 Nick Clifton <nickc@cygnus.com>
-
- * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
- defined, define to return zero.
- (function_cannot_inline_p): If a function has any target
- specific attributes, then use the macro
- FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
- whether it can be inlined. If it cannot, issue a suitable
- explanation.
-
- * tm.texi: Add a new node 'Inlining' to document the new macro
- FUNCTION_ATTRIBUTE_INLINABLE_P.
-
-2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
- commentary.
-
-2000-04-25 Neil Booth <NeilB@earthling.net>
-
- Restore previous patch, plus the following fixes:
-
- * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
- flags, not CPP_OPEN_PAREN.
- * cpplex.c (expand_token_space, init_token_list,
- cpp_free_token_list): Put the dummy token at list->tokens[-1].
- (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
-
-Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * config/i386/freebsd.h (INT_ASM_OP): Define.
-
-Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (strength_reduce): Fix typo in the last checkin.
-
-Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stor-layout.c (finalize_record_size): Simplify to use existing
- functions.
- (compute_record_mode): No longer static.
- * tree.h (compute_record_mode): New declaration.
-
-2000-04-25 Neil Booth <NeilB@earthling.net>
-
- * Revert my patch below until cause of build failures
- determined.
-
-2000-04-25 Richard Henderson <rth@cygnus.com>
-
- * combine.c (combine_instructions): Add missing argument
- to try_combine.
-
- * toplev.c (rest_of_compilation): Delay sibcall optimization
- until after emit_eh_context.
-
-2000-04-24 Nick Clifton <nickc@redhat.com>
-
- * combine.c (combine_instructions): Do not try to combine a
- sequence of insns when the second insn has been replaced by a
- note.
-
-Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
-
- * gcc.c (load_specs): New static function.
- (read_specs): Use it.
-
- * gcc.c (lookup_compiler): Make multiple passes for case
- insensitive filesystems.
-
-2000-04-24 Neil Booth <NeilB@earthling.net>
-
- * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
- * cpphash.h (_cpp_check_directive): new.
- * cpplex.c (handle_newline, cpp_free_token_list,
- init_trigraph_map, trigraph_ok, trigraph_replace,
- backslash_start, skip_block_comment, skip_line_comment,
- skip_whitespace, parse_name, parse_number, parse_string,
- copy_comment, _cpp_lex_line, spell_char, spell_string,
- spell_comment, spell_name, spell_other, _cpp_lex_file,
- _cpp_output_list): new.
- (expand_name_space): take length argument.
- (init_token_list): add comment list initialisation.
- (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
- instead of HSPACE_BEFORE.
-
- * cpplib.c (_cpp_check_directive): new
- * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
- DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
- (HSPACE_BEFORE): delete.
- (TTYPE_TABLE): rearrange.
- (struct cpp_toklist): update.
-
-2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
- gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
- argument form of AC_DEFINE.
-
- * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
- HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
- WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
- HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
- HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
-
- * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
-
-2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
- deduced.h): Use -isystem, not -I, for including system headers.
-
-2000-04-24 Nick Clifton <nickc@cygnus.com>
-
- * config/fr30/fr30.md (addsi3): Do not use small add instruction if
- the source register is the frame pointer or arg pointer.
- (addsi3_small_int): Disallow if source register is the frame
- pointer or arg pointer.
-
-2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
- call to AC_MSG_RESULT.
-
-2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * invoke.texi: Correct grammatical errors, document
- -fno-gnu-keywords as identical to -fno-asm for C++.
-
-2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
- GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
- GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
- AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
- EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
-
- * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
- GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
- GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
- GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
- new macros names.
-
-2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
-
- * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
- (pop_alignment): Likewise.
- (handle_pragma_token): Likewise.
-
-2000-04-24 Robert Lipe <robertlipe@usa.net>
-
- * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
-
-2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
-
- * combine.c (try_combine): Update reg_nonzero_bits of
- newi2pat before newpat.
-
-Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (strength_reduce): Simplify test to INSN_P.
- (record_giv): Attempt to simplify the add value, use CONSTANT_P
- expressions instead of CONST_INT.
- (express_from_1): Likewise.
-
-2000-04-24 Mark Mitchell <mark@codesourcery.com>
-
- * regs.h (reg_n_max): Don't declare.
- * flow.c (reg_n_max): Don't define.
- * regclass.c (renumber): Don't initialize to zero.
- (regno_allocated): Likewise.
- (reg_n_max): Define.
- (allocate_reg_info): Don't initialize unnecessarily.
-
-Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
-
- * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
- and blockage_p in the newly allocated attribute.
-
-Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.md (addsi): `inc4' on address
- registers does not modify cc, but `inc' on an extended
- register does.
-
-Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
-
- * reload.c (find_equiv_reg): Checks all valueno regs
- as a reload_reg_p regs.
-
-2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (collect_objlike_expansion): Add sanity check.
- (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
- the buffer is the empty string, return. Mark __DATE__ and
- __TIME__ as XCONST nodes, not MCONST.
- (_cpp_macroexpand): Avoid pushing an empty buffer.
- (funlike_macroexpand): Don't pop token_buffer here.
-
-Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
- (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
- (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
- (REGNO_OK_FOR_BASE_P): Define in terms of them.
- (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
- (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
- (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
-
-Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (simplify_giv_expr): Be more agressive on simplifying
- constant MULT givs.
-
-2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.h (struct definition): Move file, line, col members...
- (struct hashnode): ... here. Also add 'disabled' flag.
- (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
- T_IDENTITY. Remove T_DISABLED.
- Update prototypes.
-
- * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
- (collect_expansion): Split into collect_objlike_expansion and
- collect_funlike_expansion.
- (_cpp_macroexpand): Split out scan_arguments, stringify, and
- funlike_macroexpand.
- (_cpp_compare_defs): Rename compare_defs, make static.
- (_cpp_make_hashnode): Initialize hp->disabled.
- (macro_cleanup): Adjust for new token types. Clear
- m->disabled.
- (_cpp_create_definition): Move code here to determine what
- sort of macro it is, and code to check for redefinitions, from
- do_define. Implement a few simple cases without creating a
- full DEFINITION.
- (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
- Handle the simple cases.
- (push_macro_expansion): Set buf->has_escapes and hp->disabled
- here.
-
- * cppinit.c (builtin_array): Change MCONST to XCONST
- everywhere.
- * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
- fix check for disabled and function-like macros.
- * cpplib.c (do_define): Move most logic to
- _cpp_create_definition.
- (do_undef): Handle new special token types.
-
-Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
- of CONSTANT_P for mult_val; always use validate_change to update insn.
-
-2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (trad_stringify, add_pat): New functions.
- (collect_expansion): Restore support for -traditional syntax.
- Use trad_stringify and add_pat.
- (_cpp_macroexpand): Restore support for -traditional semantics.
- * cpplex.c (_cpp_scan_line): Don't change space_before if we
- get a COMMENT token.
- (_cpp_lex_token): Provide COMMENT tokens to caller if
- traditional and parsing_define_directive.
- (skip_comment): Warn about // comments if -Wtraditional.
- * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
- proper node type.
- (do_undef): Don't warn about undefining EMPTY nodes.
-
-Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (strength_reduce): Fix biv removal code.
-
-2000-04-22 Richard Henderson <rth@cygnus.com>
-
- * predict.c (estimate_probability): Examine both sides of
- a branch for no exits. Use 90% not 50% for predict taken.
- Reorg for one copy of note generation code.
-
-2000-04-22 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
-
-2000-04-22 Richard Henderson <rth@cygnus.com>
-
- * diagnostic.c (init_output_buffer): Don't initialize format_args.
- (output_clear): Likewise.
- (output_printf): Use va_copy.
- (vline_wrapper_message_with_location): Likewise.
- (v_message_with_decl): Likewise.
- (line_wrapper_printf): VA_START infor buffer.format_args directly.
- * system.h (va_copy): Provide default implementation.
-
-2000-04-22 Richard Henderson <rth@cygnus.com>
-
- * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
- the collected condition is not a constant.
-
-2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * diagnostic.h: New file.
-
- * Makefile.in (diagnostic.o): Depends on diagnostic.h
-
- * diagnostic.c: Tweak. Rationalize the output logic. Adjust
- various function prototypes.
- (diagnostic.h): #include.
- (struct output_buffer): Move into diagnostic.h.
- (get_output_prefix): Rename to output_get_prefix. Export.
- (init_output_buffer): Export. Break out. Ajust intialization.
- (output_space_left, output_append): Export.
- (output_newline): Rename to output_add_newline. Export.
- (output_clear): Nullify additional output_buffer fields.
- (output_puts): Rename to output_add_string. Export.
- (dump_output): Rename to output_flush_on. Export.
- (build_location_prefix): Constify return-type.
- (emit_output_prefix): Rename to output_emit_prefix. Export.
- (set_real_maximum_length): New function.
- (output_set_maximum_length): Ditto
- (output_clear): Ditto.
- (output_add_character): Ditto.
- (output_add_integer): Ditto.
- (output_add_space): Ditto.
- (output_format): Ditto.
- (output_printf): Adjust buffer initialization.
- (vline_wrapper_message_with_location): Ditto.
- (v_message_with_decl): Ditto. Adjust call to output_puts
- and get_output_prefix.
- (default_print_error_function): Adjust buffer intialization.
-
-Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
- of VOID_TYPE.
-
-Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
- of explicit 0.
-
-Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
- accurate data about SP moves.
-
-Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
- aliases to AM33 registers.
-
-Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
- to all EXTENDED bitmaps.
-
-Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
- * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
- * config/mn10300/mn10300.c (mn10300_address_cost): New function.
-
-Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
-
- * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
- the operand is not constant.
-
-Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
-
- * reload.c (find_equiv_reg): Checks all valueno and regno regs
- as a call-clobbered regs.
-
-Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
- * rtl.h: Likewise.
- * rtl.def: Update comment.
- * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
- * integrate.c (expand_inline_function): Likewise.
- * profile.c (branch_prob): Likewise.
- * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
- * print-rtl.c (print_rtx): Likewise.
- * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
- (reemit_notes): Likewise; also use enum insn_note.
-
- * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
- (place_field): Properly compute know and actual alignment.
-
- * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
- in proper format.
-
- * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
- note for REG1.
-
-2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (struct arg, struct arglist): Const-ify strings.
- (warn_trad_stringify, duplicate_arg_p): New helper functions.
- (collect_expansion): Rewrite to scan over a token list.
- Remove -traditional support.
- (collect_formal_parameters): Rename to collect_params; rewrite
- to scan over a token list.
- (_cpp_create_definition): Adjust to scan a token list.
- (_cpp_macroexpand): Remove -traditional support.
- (_cpp_compare_defs): Whitespace is now canonicalized.
- (comp_def_part): Delete function.
-
- * cpphash.h: Update prototypes.
- * cpplex.c (init_token_list): Don't set lineno if there is no
- buffer.
- (pedantic_whitespace): New function.
- (_cpp_scan_line): Mark tokens that had hspace before. Don't
- consume a newline. Use pedantic_whitespace.
- (_cpp_lex_token): Remove support for -traditional macros.
- (_cpp_get_define_token): Delete.
- (_cpp_get_directive_token): Do the real work here. Use
- pedantic_whitespace.
- (_cpp_init_input_buffer): Initialize pfile->directbuf.
-
- * cpplib.c (get_macro_name): Delete.
- (do_define): Read the entire line into pfile->directbuf, then
- feed the token list to _cpp_create_definition.
- * cpplib.h (HSPACE_BEFORE): new define.
- (struct cpp_reader): Add a toklist member, "directbuf".
-
- * predict.c (estimate_probability): New heuristic: if a jump
- branches around a block with no successors, predict it taken.
- Disentangle control flow.
-
-2000-04-20 Richard Henderson <rth@cygnus.com>
-
- * loop.c (emit_iv_add_mult): Revert last change.
-
-2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (enum cpp_ttype): Add token types for all
- punctuators. Distinguish pp-numbers from valid C numbers.
- Give some tokens better names. Initialize from macro.
- (struct cpp_name, cpp_token, cpp_toklist): New data
- structures.
- Update prototypes.
- * cpplex.c (bump_column, expand_name_space,
- expand_token_space, init_token_list, cpp_output_list,
- _cpp_scan_line): New functions.
- (output_line_command): Add third argument, new line number.
- * cpphash.h: Update prototypes.
- * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
- token names.
-
-2000-04-20 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
-
-2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
- object pointed to.
-
-Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * loop.c (emit_iv_add_mult): Simplify it's input and emit
- REG_EQUAL note explaining the calculated value.
-
- * calls.c (expand_call): Avoid unnecesary precalculation
- and outgoing parameters space guarding for sibling calls.
- (store_one_arg): Likewise.
-
-Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
- (rest_of_compilation): Write sibling dump file and account
- for time as jump time.
- * invoke.texi: Update documentation on dump flags.
-
-2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
-
- * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
-
-2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (special_symbol): Represent an empty macro with
- "\r \r " not just "\r ".
- (_cpp_macroexpand): Correct condition for the foo ( ) special
- case.
- (unsafe_chars): Handle EOF as second argument.
- (push_macro_expansion): Simplify test for removing escape at
- end. Do not trim both escapes if there is no text in between.
-
-2000-04-19 Jim Blandy <jimb@redhat.com>
-
- * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
- of PTR_SIZE, when appropriate.
-
-2000-04-19 Mark Mitchell <mark@codesourcery.com>
-
- * system.h (ONLY_INT_FIELDS): Make sure it is defined.
- (USE_ENUM_BITFIELDS): Fix typo.
-
-Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stor-layout.c (place_field): Set rli->offset_align properly.
-
-2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
- INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
- PARM_BOUNDARY): Remove unnecessary casts.
-
-Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (precompute_arguments): Remove must_preallocate and
- args_size calls.
- (expand_call): Update call of precompute_arguments.
-
- * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
- check_insn_for_givs): Break out from ...
- (strength_reduce) ... here; use for_every_insn_in_loop to call
- check_insn_for_givs.
- * loop.h (for_every_insn_in_loop): Declare.
- (loop_insn_callback): New type.
-
-2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (do_pragma_poison): Strings in the token buffer are
- not nul-terminated.
-
-Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
- flag_pic and RELOC.
-
-2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
-
- * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
-
- * configure.in: Delete --disable-cpplib option and all
- references to cpp_main.
- * configure: Regenerate.
- * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
- @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
- cccp.o, cccp, or cppmain. Link cppmain.o straight to
- cpp$(exeext). Add --no-headers to makeinfo command line when
- generating INSTALL. Install and uninstall cpp.1 manpage, not
- cccp.1.
- * install.texi: Delete all references to cexp.y/cexp.c.
- Delete ancient instructions for compiling GCC on 3b1.
- * INSTALL: Regenerate.
-
- * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
- mips/t-elf, mips/t-r3900: Remove references to cccp.c.
- * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
- cexp.c/cexp.y.
- * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
- which is no longer tested anywhere.
-
- * cppinit.c (handle_option): Don't run error message through
- gettext twice.
-
-Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
- * cpperror.c (hashtab.h): Now include.
- * cppexp.c (hashtab.h): Likewise.
- * cpplex.c (hashtab.h): Likewise.
- * cppfiles.c (hashtab.h): Likewise.
- (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
- to htab_find_slot_with_hash.
- * cpphash.c (hashtab.h): Now include.
- (_cpp_lookup_slot): INSERT is now enum insert_option.
- * cpphash.h (_cpp_lookup_slot): Likewise.
- * cppinit.c (hashtab.h): Include earlier.
- (initialize_builtins): Pass enum to htab_find_slot.
- * cpplib.c (hashtab.h): Now include.
- (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
- (do_pragma_poison, do_assert): Likewise.
- * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
- htab_find_slot_with_hash.
- * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
- * tree.c (type_hash_add): Likewise.
- (build1): Minor cleanup.
-
- * ggc-common.c: Add missing blanks.
- * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
- * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
-
- * stmt.c (mark_case_node): New function.
- (mark_case_nesting): Call it.
-
- * expmed.c (emit_store_flag): If comparing two-word integer
- with zero, can optimize NE, EQ, GE, and LT.
-
- * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
- * conflict.c: Minor cleanups.
- * optabs.c: Add blank line
- * simplify-rtx.c: Minor cleanups.
-
-2000-04-18 Stan Cox <scox@cygnus.com>
-
- * gengenrtl.c (genlegend): Fix misspelling.
-
-2000-04-18 Robert Lipe <robertlipe@usa.net>
-
- * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
- bitfields of the host compiler are not signed quantities.
- * config.in: Regenerate.
- * configure: Regenerate.
- * system.h (USE_ENUM_BITFIELDS): Added.
- (ENUM_BITFIELDS): Added.
- * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
- (SHORT_ENUM_BUG): Deleted.
- * tree.h (tree_common): Members `code', `mode', `built_in_class',
- now ENUM_BITFIELD.
- * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
- (CODE_FIELD_BUG): Likewise.
- * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
- (OLD_CC): Likewise.
- * config/m68k/x-ccur (X_CFLAGS): Likewise.
-
-2000-04-18 Mark Mitchell <mark@codesourcery.com>
-
- * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
- mark is active.
-
-2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppexp.c (lex): Don't assume tokens are NUL terminated.
- * cpplib.c (do_include, do_import, do_include_next,
- read_line_number, detect_if_not_defined): Likewise.
- * cpphash.c (collect_expansion): Likewise.
- (special_symbol, _cpp_macroexpand): Check return from
- cpp_file_buffer.
- * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
- macros. Delete all uses.
-
- * gcc.dg/cpp-mi.c: Add two more test cases.
- * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
-
-2000-04-17 Richard Henderson <rth@cygnus.com>
-
- * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
- (reorder_basic_blocks): If no epilogue in rtl, force last block last.
-
-2000-04-17 Mark Mitchell <mark@codesourcery.com>
-
- * function.c (expand_function_start): Use hard_function_value to
- compute the RTL to use for DECL_RESULT.
-
-Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
- (x86_integer_DFmode_moves, x86_partial_reg_dependency,
- x86_memory_mismatch_stall): New global variables.
- (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
- alloved; fix load penalties for Athlon.
- * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
- x86_memory_mismatch_stall): Declare.
- (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
- TARGET_MEMORY_MISMATCH_STALL): New.
- * i386.md (athlon scheduling parameters): Fix latencies according to
- Athlon Optimization Manual.
- (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
- vector.
- (fsqrt instruction patterns): Set athlon_decode to direct.
- (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
- PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
- (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
- and TARGET_PARTIAL_REGISTER_STALL machines.
- (pushdf_nointeger): New pattern.
- (pushdf_integer): Rename from pushdf.
- (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
- (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
-
-2000-04-17 Richard Henderson <rth@cygnus.com>
-
- * loop.c (canonicalize_condition): Add WANT_REG argument.
- Stop the search if we match it.
- * expr.h (canonicalize_condition): Update decl.
- * predict.c (expected_value_to_br_prob): Use it. Track last
- expected value note.
- (find_expected_value): Remove.
-
- * reorg.c (mostly_true_jump): Always use BR_PROB if present.
-
-2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
-
- * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
- (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
- a plain file.
- * configure.in: Call AC_FUNC_MMAP_FILE.
- * configure: Regenerate.
- * config.in: Regenerate.
-
- * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
- * fixinc/fixincl.c: Likewise.
-
-2000-04-17 Richard Henderson <rth@cygnus.com>
-
- * builtins.c (expand_builtin_expect): New.
- (expand_builtin): Call it.
- * builtins.def (BUILT_IN_EXPECT): New.
- * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
- * extend.texi: Document it.
-
- * predict.c (expected_value_to_br_prob): New.
- (find_expected_value): New.
- * basic-block.h (expected_value_to_br_prob): Declare.
- * toplev.c (rest_of_compilation): Invoke it.
-
- * rtl.h (NOTE_EXPECTED_VALUE): New.
- (NOTE_INSN_EXPECTED_VALUE): New.
- * rtl.c (note_insn_name): Update.
- * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
- cases; handle NOTE_INSN_EXPECTED_VALUE.
-
-2000-04-17 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
- leaf sibcall delay slot if flag_pic.
- (output_sibcall): Always emit call for leaf sibcall if flag_pic.
-
-2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
-
- * fixproto: If fix-header fails, exit with an error.
-
-Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * cse.c (struct check_depdendence_data): New.
- (check_dependence): New function.
- (invalidate): Use check_depdenence.
-
-2000-04-16 Mark Mitchell <mark@codesourcery.com>
-
- * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
- UNITS_PER_WORD is unsigned.
-
- * tree.h (struct tree_common): Remove misleading comment.
-
-2000-04-16 Dave Pitts <dpitts@cozx.com>
-
- * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
- message in quotes. Otherwise, IBM's make program treats the '#' as the
- start of a comment and ignores the remainder of the line.
-
- * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
- upper case.
- * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
- * cexp.y (initialize_random_junk): Likewise.
- * cppfiles.c (find_include_file): Cast alloca return value.
- * cppinit.c (initialize_standard_includes): Likewise.
- * cpplib.c (cpp_define, cpp_undef): Likewise.
- * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
- * final.c (output_asm_insn): Allow for holes in EBCDIC.
- * fold-const.c (CHARMASK): New.
- (real_hex_to_f): Use it.
- * real.c (CHARMASK): New.
- (etoasc, asctoeg): Use it.
- (asctoeg): EBCDIC lower case characters preceed upper case.
-
- * i370.c (mvs_add_label): Change spacing for coding conventions.
- * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
- outputing case vectors.
- (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
- (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
- since vector in in the data CSECT.
- (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
- * i370.md (Many patterns): Put the length in the XL directives.
- (movdi): Put back STM and MVC in definition.
- (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
- pattern using the TCA.
- * oe.h (CPP_SPEC): Added to allow trigraphs.
- * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
- not support the "long long" type.
-
-2000-04-16 Mark Mitchell <mark@codesourcery.com>
-
- * config/mips/mips-protos.h (mips_legitimate_address_p): New
- function.
- (mips_reg_mode_ok_for_base_p): Likewise.
- * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
- (REG_OK_FOR_INDEX_P): Define unconditionally.
- (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
- (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
- * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
- that GET_MODE_SIZE is unsigned.
- (mips_reg_mode_ok_for_base_p): Define.
- (mips_legitimate_address_p): Likewise. Adjust now
- that GET_MODE_SIZE is unsigned.
- (block_move_loop): Make the number of bytes unsigned.
- (expand_block_move): Likewise.
- (function_arg): Make the loop counter unsigned to match the
- boundary condition.
-
-2000-04-16 Richard Henderson <rth@cygnus.com>
-
- * rtl.h (enum insn_note): New enumeration. Subsume
- NOTE_INSN_DELETED and friends.
- (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
- * rtl.c (note_insn_name): Tweak string order.
-
-2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
- to offset * 2.
-
- * cpplex.c (output_line_command): Remove debugging prints.
- (cpp_output_tokens): Don't write out a zero-length buffer or
- try to see if it has a newline in it.
- (_cpp_expand_to_buffer): Copy the source buffer before pushing.
- (_cpp_read_and_prescan): Move shift-down of pushback bytes to
- the end of the loop. Use memmove. Don't read past the end of
- the buffer. Remove trailing newlines from error messages.
-
-2004-04-16 Neil Booth <NeilB@earthling.net>
-
- * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
- * cpplib.c: Add new syntax flags to directive table, and
- supporting macros.
-
-2000-04-15 Ulrich Drepper <drepper@redhat.com>
-
- * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
- using ret $N.
-
-2000-04-15 David Edelsohn <edelsohn@gnu.org>
-
- * toplev.c (display_help): Prefix "f" to "sched-verbose=".
- * haifa-sched.c: Update -fsched-verbose comments to use "=".
-
-Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Makefile.in (ggc-page.o): Now includes toplev.h.
- * ggc-page.c (toplev.h): Now included.
- (gc_time): Remove declaration.
- (ggc_collect): TIME now long.
- * toplev.c (parse_time, varasm_time, gc_time): Still global; all
- others static.
- * toplev.h (gc_time, parse_time, gc_time): New declarations.
-
- * toplev.c: Make *_time variable long to reduce chance of overflow.
- (TIMEVAR): Likewise for `otime'.
- (print_time): Arg is now long; compute percentage in FP and round.
- * toplev.h (print_time): Arg is long.
-
- * tree.c: Minor whitespace changes.
-
- * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
- * configure: Rebuilt.
- * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
- (__fixunsxfDI): Renamed from __fixunsxfdi.
- (__fixunsdfDI): Renamed from __fixunsdfdi.
- (__fixunssfDI): Renamed from __fixunssfdi.
- (__floatdisf): Use proper type in REP_BIT macro.
- (__fixunsxfSI): Renamed from __fixunsxfsi.
- (__fixunsdfSI): Renamed from __fixunsdfsi.
- (__fixunssfSI): Renamed from __fixunssfsi.
- * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
- Change location of macros and upper-case some names as above.
- * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
- * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
-
- * varasm.c (assemble_variable): Add cast to remove warning.
- (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
-
- * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
- * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
- region number to -1.
-
-2000-04-15 Richard Earnshaw (rearnsah@arm.com)
-
- * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
- call unshare_all_rtl.
-
- * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
-
-Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
- Use .s1 not .s0 for all FP instructions.
-
-2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
- interfaces.
- (safe_fwrite, output_line_command): New static functions.
- (cpp_expand_to_buffer): Now private to cpplib.
- (cpp_scan_buffer): Take a printer.
-
- * cpphash.h: Update prototypes.
- * cpplib.h: Update prototypes.
- (cpp_printer): New.
- (cpp_buffer): Remove last_nominal_fname.
- (cpp_reader): Remove lineno.
-
- * cppmain.c: Use a cpp_printer.
- * fix-header.c: No need to inhibit line commands. Call
- cpp_start_read with no printer.
-
- * cpperror.c (cpp_notice_from_errno): Provide default name.
- * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
- (find_include_file, cpp_read_file): Use make_IHASH.
- (file_cleanup): Set control_macro and clear
- input_stack_listing_current here.
- (_cpp_execute_include): Don't output entering-file marker.
- * cpphash.c (special_symbol): Look for the line number in the
- buffer, not the reader.
- (_cpp_macroexpand): No need to disable line commands.
- (_cpp_dump_definition): No need to generate line commands.
- (dump_hash_helper): Remove excess newline from output.
- * cppinit.c (dump_special_to_buffer): No need to generate line
- commands.
- (cpp_printer_init): New.
- (cpp_start_read): Take a printer, and start it up if it's not
- NULL. No need to generate line commands.
- (cpp_finish): Expect no buffers stacked at all. Take a
- printer argument, and flush the output buffer if it's not
- NULL.
- * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
- Don't put two hashes at the beginning of an assertion.
- (cpp_get_token): Don't increment pfile->lineno or emit line
- commands here. Return EOF if there's no buffer when we get
- EOF.
- * cpplib.c (do_define, skip_if_group):
- No need to disable line commands.
- (_cpp_output_line_command): Delete function.
- (do_line): Don't emit line commands here, but set things up so
- they will be emitted if necessary. Use _cpp_fake_ihash to
- make unique nominal_fnames if necessary.
- (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
- with 0 for column, not -1.
- (_cpp_handle_eof): Don't set the control macro here. Don't
- clear input_stack_listing_current here. Don't emit line
- commands.
-
-2000-04-14 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
- always, use the default SVR4 start address.
-
- * config/rs6000/linux.h (LINK_SPEC): Don't define.
- (LINK_SHLIB_SPEC): Define.
- (LINK_START_DEFAULT_SPEC): Define.
- (LINK_OS_DEFAULT_SPEC): Define.
-
- * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
-
- * config/rs6000/eabi.asm (__eabi): Call __init rather than
- __do_global_ctors to handle constructors.
- * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
- (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
- (STARTFILE_MVME_SPEC): Likewise.
- (STARTFILE_SIM_SPEC): Likewise.
- (ENDFILE_ADS_SPEC): Use crtend.
- (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
- (ENDFILE_MVME_SPEC): Likewise.
- (ENDFILE_SIM_SPEC): Likewise.
- (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
- (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
- (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
- (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
- * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
- (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
- (CRTSTUFF_T_CFLAGS_S): Define.
- * config/rs6000/eabi-ctors.c: Delete.
-
- * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
- boundary.
- (__fini): Likewise.
- * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
- boundary.
- (__fini): Likewise.
-
-Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
-
- * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
- plus mask size is smaller or equal to the mode size.
-
-Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
- not yet set.
-
- * expr.c (reload.h): Now included.
- (emit_block_move): Set volatile_ok when checking for movstr.
- (emit_move_1): Check for replacements in addresses in multi-word case.
- * Makefile.in (expr.o): Now includes reload.h.
-
- * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
- Never have a LIBCALL end a basic block.
- (find_basic_blocks_1): Likewise.
- Reorganize CALL_INSN cases.
-
- * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
-
-Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
- completers from mov.ret instruction.
-
-2000-04-14 Richard Henderson <rth@cygnus.com>
-
- * fold-const.c (extract_muldiv): Don't distribute and widen
- multiply across plus for non-sizetype unsigned types.
-
-2000-04-14 Richard Henderson <rth@cygnus.com>
-
- * flow.c (find_auto_inc): Don't autoinc eliminable registers.
- If the original source is dead in the incr insn, it's dead now.
-
-Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
- see if DECL_BIT_FIELD needs to still be set.
-
- * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
-
- * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
- print_int_cst_octal with something that's not an INTEGER_CST.
-
- * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
- and not a SUBREG to a FLOAT rtl.
-
-Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
-
- * emit-rtl.c (try_split): Avoid infinite loop if the split
- results in a sequence that contains the original insn.
-
-2000-04-13 Andreas Jaeger <aj@suse.de>
-
- * config/mips/mips.c (expand_block_move): Pass alignment
- argument to move_by_pieces in bits, not bytes.
-
- * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
- __pic__ for little endian.
-
-2000-04-13 Andreas Jaeger <aj@suse.de>
-
- * config/i386/i386-protos.h: Add prototype for
- uno_comparison_operator.
-
-Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
- * calls.c (ECF_PURE): New flag.
- (emit_call_1): Handle ECF_PURE calls.
- (initialize_argument_information): Unset ECF_PURE flag too.
- (precompute_arguments): Precompute for ECF_PURE too.
- (expand_call): Handle ECF_PURE calls too.
- (emit_library_call_value_1): Rename no_queue argument to fn_type,
- accept value of 2 as pure function.
- (emit_library_call_value, emit_library_call): Rename no_queue argument
- to fn_type.
- * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
-
- * tree.h (DECL_IS_PURE): New macro.
- (struct tree_decl): Add pure_flag.
- * c-common.c (enum attrs): Add attribute "pure".
- (init_attributes): Initialize attribute "pure"
- (decl_attributes): Handle attribute "pure".
- * extend.texi (Attribute "pure"): Document.
- * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
- in pure function.
- (flags_from_decl_or_type): Support attribute "pure".
-
-2000-04-13 Jason Merrill <jason@casey.cygnus.com>
-
- * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
- the token except for numbers and identifiers.
-
-Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
-
- * i386.c (ix86_expand_binary_operator,
- ix86_expand_unary_operator): Check no_new_pseudos
- instead of reload_in_progress and reload_completed.
- (ix86_split_ashldi, ix86_split_ashrdi,
- ix86_split_lshrdi): Check no_new_pseudos instead
- of reload_completed.
-
-2000-04-12 Jeffrey A Law (law@cygnus.com)
-
- * function.c (purge_addressof): Unshare any shared rtl created by
- purge_addressof and its children.
-
-2000-04-12 Mark Mitchell <mark@codesourcery.com>
-
- * function.c (aggregate_value_p): VOID_TYPE nodes are never
- aggregates.
-
-2000-04-05 Andreas Jaeger <aj@suse.de>
-
- * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
- not compiling PIC code, add flags for mabi=64.
- (SUBTARGET_CPP_SIZE_SPEC): New.
- (SUBTARGET_CPP_SPEC): New.
- (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
- for MIPS/Linux and lots of code needs these defines.
-
-Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * reorg.c (fill_slots_from_thread): Check side_effects_p when
- trying the "opposite arithmetic" approach.
-
-Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
- (struct sh_args): Add new field force_mem.
- (INIT_CUMULATIVE_ARGS): Initialize it.
- (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
-
-Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (expand_call): Do not reverse args in "equal from" field.
- (emit_library_call_value_1): Emit_libcall_block for const and pure
- function.
-
-Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (reload_combine): Don't enable optimization for fixed
- registers when encountering a BARRIER.
-
-Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * builtins.c (expand_builtin_memcmp): Do expansion even with
- !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
-
- * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
- stack is propertly aligned; add sanity checking for aligned
- stack pointer.
- (expand_library_call_value_1): Add sanity checking for aligned
- stack pointer.
-
-Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
-
- * calls.c (emit_library_call_value_1): Change 3rd arg to
- locate_and_pad_parm to disregard the setting of partial.
-
-Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
-
- * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
- CALL_INSN from the normal case.
-
-Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
- New global variables.
- (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
- adjustment.
- * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
- Declare,
- (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
- TARGET_ADD_ESP_8): New macros.
- * i386.md: Add peep2s to convert esp adjustments to push and pop
- instructions.
- (pushsi_prologue, popsi_epilogue): New patterns.
-
-2000-04-12 Jakub Jelinek <jakub@redhat.com>
-
- * real.c (toe64): Remove stale #endif from the last change.
-
-2000-04-12 Stephen L Moshier <moshier@mediaone.net>
-
- * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
- * real.c (toe64): Revert previous change.
-
-2000-04-12 Jakub Jelinek <jakub@redhat.com>
-
- * objc/objc-act.c: Include ggc.h.
- (objc_tree_index, objc_global_trees): Convert most of the
- static tree variables into a static array with previous names
- as defines.
- (objc_ellipsis_node): New variable.
- (lang_init): Call objc_act_parse_init and c_parse_init.
- Create objc_ellipsis_node.
- (build_selector_translation_table): Use objc_ellipsis_node instead
- of (tree)1.
- (hack_method_prototype): Likewise.
- (get_arg_type_list): Likewise.
- (start_method_def): Likewise.
- (continue_method_def): Likewise.
- (gen_method_decl): Likewise.
- (ggc_mark_imp_list): New function.
- (ggc_mark_hash_table): New function.
- (objc_act_parse_init): New function.
- * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
- * c-parse.in (c_parse_init): For objc add roots of objc specific
- local tree variables.
- * objc/objc-parse.y: Rebuilt.
- * objc/objc-parse.c: Rebuilt.
- (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
-
-Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
-
- * cse.c (delete_trivially_dead_insns): Also delete insns
- that copy a register to itself where the destination is
- a strict_low_part.
-
-2000-04-11 Richard Henderson <rth@cygnus.com>
-
- * flow.c (struct propagate_block_info): Add new_dead, new_live.
- (propagate_block): Initialize them. Use them in parallel instead
- of one tmp variable, ie revert much of the 0408 and 0407 functional
- changes, but keep the structural changes.
- (mark_set_regs): Take new_dead from propagate_block_info instead.
- (mark_set_1, mark_set_reg): Likewise.
- (mark_used_regs): Likewise with new_live.
- (mark_used_reg): Likewise. Revert 0408 change.
-
-2000-04-11 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
- restriction.
- (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
-
-2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
- const section to output a CONSTRUCTOR based on the same conditions
- used for VAR_DECLs.
-
-Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
-
- * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
- * pa/pa-protos.h (output_call): Add additional argument indicating
- if the call is a sibling/tail call.
- (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
- (compute_64bit_ior, cmpib_comparison_operator): Likewise.
- (function_arg, function_arg_partial_nregs): Likewise
- * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
- (emit_move_sequence): Zero extend certain constants as needed
- for TARGET_64BIT.
- (compute_zdepdi_operands, output_64bit_and): New functions.
- (output_64bit_ior, function_arg): Likewise.
- (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
- (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
- (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
- (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
- (output_bvb): Likewise.
- (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
- (output_call): New argument 'sibcall'. Generate sibcall sequences
- as needed.
- (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
- (ouput_arg_descriptor): Do not emit argument descriptors for
- TARGET_64BIT.
- * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
- defined.
- (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
- (FUNCTION_OK_FOR_SIBALL): Define.
- (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
- (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
- (CPP_SPEC): Use new spec infrastructure.
- (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
- (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
- (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
- (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
- (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
- (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
- (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
- (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
- (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
- (FUNCTION_ARG); Call out to C code.
- (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
- (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
- (MIN_UNITS_PER_WORD): Likewise.
- * pa/pa.md (cmpdi): New expander.
- (scc patterns, movstrsi): Not available for TARGET_64BIT.
- (64bit conditional arithmetic): New patterns.
- (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
- (movsicc): Not available if modes on all the operands to not match.
- (movdicc): New expander and associated patterns.
- (64bit branches): New patterns.
- (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
- (pre_ldd, post_std): New patterns.
- (64bit addil, load low part): New patterns.
- (special movsf constant): Not available for TARGET_64BIT.
- (movsf, movdf expanders): Force constants into memory.
- (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
- (64bit movdf/movdi patterns): New patterns.
- (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
- for TARGET_64BIT.
- (extendqidi2, extendhidi2, extendsidi2): Similarly.
- (adddi3 expander): Allow "arith_operand" for second input.
- (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
- (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
- (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
- (muldi3): New expander for TARGET_64BIT.
- (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
- for TARGET_64BIT.
- (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
- patterns for TARGET_64BIT.
- (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
- patterns for TARGET_64BIT.
- (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
- (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
- (sibcall_epilogue): New expander.
- (casesi): Tweak for TARGET_64BIT.
- (call expanders): Set & use the outgoing argument pointer. Use the
- 64bit call patterns as needed. Add additional arg to output_call.
- (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
- (sibcall, sibcall_internal_symref): New expanders.
- (sibcall_value, sibcall_value_internal_symref
- (interspace_jump): Turn into an expander + matching patterns.
- (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
- * pa/pa64-regs.h: Eliminate trigraph sequences.
- * pa/pa64-start.h (TARGET_PA_20): Fix typo.
-
-2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
- cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
- cpp_token with cpp_ttype everywhere.
- * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
- Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
- CPP_BUF_COL. Line and column numbers are unsigned int, not
- long.
- * cpplex.c (cpp_buf_line_and_col): Delete.
- * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
- 'long lineno' to 'unsigned int lineno'.
- (CPP_BUF_LINE, CPP_BUF_COL): New macros.
-
-2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * extend.texi: ISO C99 is not a draft anymore.
- * invoke.texi: ISO C++ is not a draft anymore.
- * cpp.texi: __cplusplus is required by the ISO standard.
-
- * extend.texi (-fthis-is-variable): Undocument.
- * flags.h (warn_template_debugging): Remove declaration.
- * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
- -Wenum-clash, -Wtemplate-debugging): Undocument.
-
-2000-04-10 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
- integer.
- (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
- integer.
- (ARM_SIGN_EXTEND): Use HOST_UINT.
- (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
- (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
- (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
- (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
-
- * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
- (arm_gen_constant): Use HOST_UINT.
- (arm_canonicalize_constant): Use HOST_UINT.
- (arm_reload_in_hi): Use HOST_UINT.
- (arm_reload_out_hi): Use HOST_UINT.
- (output_multi_immediate): Use HOST_UINT.
- (int_log2): Use HOST_UINT.
- (arm_poke_function_name): Use HOST_UINT.
- (arm_output_epilogue): Use arm_volatile_func().
- (output_thumb_prologue): Use arm_strip_name_encoding().
-
-Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
- of sequence point problems.
-
-2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
-
- * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
- Recomment.
- * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
-
-Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * sbitmap.h: Whitespace changes and use upper-case macro args.
- (struct simple_bitmap_def): All sizes now unsigned.
- (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
- * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
- (sbitmap_vector_alloc): Parms and local vars now unsigned.
- (sbitmap_zero): Cast bzero arg to PTR.
- (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
- (sbitmap_union_of_diffs): Change loop index to unsigned and rework
- loop to make structure clearer.
- (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
- (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
- (sbitmap_a_and_b_or_c): Likewise.
- (sbitmap_intersection_of_succs): Minor cleanups.
- (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
- (sbitmap_union_of_preds): Likewise.
- (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
- (debug_sbitmap): New function.
-
- * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
- * c-typeck.c (convert_for_assignment): Likewise.
-
- * expmed.c (init_expmed): Don't free objects we make.
- * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
-
- * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
- (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
-
- * gcse.c (expr_hash_table_size): Now unsigned.
- (compute_ae_gen): Local variable `i' now unsigned.
- (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
- (compute_transout, hoist_code): Likewise.
- (compute_local_properties): Likewise, also hash_table_size.
- (alloc_expr_hash_table): N_INSNS now unsigned.
- (delete_null_pointer_checks): Mark arg F as unused.
-
- * regrename.c: Minor cleanups, including chang some variables
- to unsigned int.
-
-2000-04-10 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (skip_block_comment): Use pointer arithmetic rather
- than GETC ().
- * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
-
-2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
- __classof__, and __headof__ from the list of gnu keywords.
- (-ansi): Remove -foperator-names from list of implied options.
- Do not call it ANSI C++.
- (-foperator-names): Document as -fno-operator-names.
-
-2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (timestamp): Delete.
- (del_HASHNODE): If type is T_MCONST, free value.cpval.
- (special_symbol): Remove unnecessary braces. Remove
- T_VERSION. Treat T_STDC like T_CONST unless
- STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
- when one is encountered, then convert them into T_MCONST
- nodes.
- * cppinit.c (builtin_array): version_string is T_MCONST.
- __STDC__ has a "1" in its cpval. Don't have a terminator
- entry. Clean up which entries are dumped.
- (initialize_builtins): Only __STDC__ gets the special
- -traditional treatment. Count the length of builtin_array.
- Render version_string here.
- * cpphash.h: Remove T_VERSION. Add T_MCONST.
- * cpplib.h (struct cpp_reader): Remove timebuf.
-
-2000-04-09 Richard Henderson <rth@cygnus.com>
-
- * genrecog.c (pred): Update comparison_operator for the unordered
- operators.
-
- * config/i386/i386.c (no_comparison_operator): Disallow unordered
- operators.
- (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
- (uno_comparison_operator): New.
- (put_condition_code): Handle UNORDERED/ORDERED.
- (unsigned_comparison): Likewise.
- (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
- (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
- (ix86_expand_fp_compare): Use them. Take scratch as argument,
- update all callers. Handle all 8 unordered operators.
- (ix86_expand_setcc): Lose the unordered argument, update all callers.
- (ix86_expand_branch): Likewise. Don't fully expand fp branches.
- * config/i386/i386.h (PREDICATE_CODES): Update.
- * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
- (ix86_expand_branch, ix86_expand_setcc): Update.
- * config/i386/i386.md (sunordered, sordered): New.
- (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
- (bunordered, bordered): New.
- (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
- (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
- (*fp_jcc_5, *fp_jcc_6, and splitters): New.
-
-2000-04-09 Philip Blundell <philb@gnu.org>
-
- * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
-
-Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
-
- * i386.md (fix_truncsfhi2, fix_truncdfhi2,
- fix_truncxfhi2): New patterns.
- * i386.c (output_fix_trunc): Handle converting to HImode.
-
-2000-04-08 Alex Samuel <samuel@codesourcery.com>
-
- * ssa.c (convert_to_ssa): Eliminate dead code when calling
- life_analysis.
- (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
- (for_each_successor_phi): Change parameter to basic_block.
- (coalesce_regs_in_successor_phi_nodes): Likewise.
- (coalesce_regs_in_copies): Likewise.
- (compute_coalesced_reg_partition): Use basic_block instead of index.
- * rtl.h (convert_to_ssa): Delete.
- (convert_from_ssa): Likewise.
- (successor_phi_fn): Likewise.
- (for_each_successor_phi): Likewise.
- (in_ssa_form): Likewise.
- * basic-block.h (convert_to_ssa): Moved from rtl.h.
- (convert_from_ssa): Likewise.
- (successor_phi_fn): Likewise.
- (in_ssa_form): Likewise.
- (for_each_successor_phi): Likewise. Change parameter to basic_block.
- * flow.c (calculate_global_regs_live): Pass a basic_block to
- for_each_successor_phi.
-
-2000-04-08 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_used_reg): Use reg_set_p to determine if a register
- was modified in the current insn.
-
-2000-04-08 Richard Earnshaw (rearnsha@arm.com)
-
- * arm/thumb.md: Delete.
- * arm/thumb-protos.h: Delete.
-
-2000-04-08 Richard Earnshaw (rearnsha@arm.com)
-
- Merge changes from merged-arm-thumb-backend-branch onto trunk.
-
- 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
-
- * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
- into branch.
-
- * arm.md (nop): Use the standard RTL expression. Don't code as a
- define_expand.
- (*arm_nop, *thumb_nop): Delete.
-
- * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
- constants. Use casts instead.
- (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
- output_multi_immediate, arm_poke_function_name): Likewise.
- * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
- MASK_RETURN_ADDDR): Likewise.
-
- 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
-
- * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
- into branch.
-
- * arm.md (eh_epilogue): New function.
- * arm.h (struct machine_function): Move to here ...
- * arm.c: ... from here.
- (arm_output_epilogue): Support epilogues for __builtin_eh_return.
- (thumb_exit): Extra parameter eh_ofs. All callers changed.
- Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
-
- 2000-03-30 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/semi.h (ASM_SPEC): Restore definition.
- (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
-
- * config/arm/elf.h (ASM_SPEC): Restore definition.
- (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
-
- * config/arm/arm.h (ASM_SPEC): Remove definition.
- (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
-
- 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * config/arm/arm.c: Disable -fschedule-insns for Thumb.
-
- 2000-03-24 Nick Clifton <nickc@cygnus.com>
-
- Various formating tidyups, elimination of compile time
- warnings and synchronisation with internal sources:
-
- * config/arm/arm-protos.h (assemble_align): Add prototype.
- (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
- (gen_comapre_reg): Rename to arm_gen_compare_reg.
- (arm_return_addr_rtx): Rename to arm_return_addr.
-
- * config/arm/arm.c: Include except.h.
- Define shorter typenames for strict minipool_node and struct
- minipool_fix.
- (arm_return_in_memory): For WinCE return all structures <= 32 bits
- in memory.
- (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
- (gen_comapre_reg): Rename to arm_gen_compare_reg.
-
- * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
- already defined.
- (ASM_SPEC): Define if not already defined.
- (ASM_OUTPUT_DEF_FROM_DECLS): Define.
-
- * config/arm/arm.md: Rename references to gen_rotated_half_load to
- arm_gen_rotated_half_load, and references to gen_comapre_reg to
- arm_gen_compare_reg.
- (indirect_jump): Only accept register operands.
- (load_indirect_jump): Keep this pattern since combine can generate
- it.
-
- * config/arm/coff.h: Include aout.h.
- (MULTILIB_DEFAULTS): Only define if not already defined.
-
- * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
- into arm.h (so that COFF ports can support thumb based aliases).
- (ASM_SPEC): Move definition into arm.h
-
- * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
- redundant apcs spec.
- (ASM_SPEC): Move definition to arm.h
-
- * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
-
- * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
- for entries in the .bss section
-
- 2000-03-23 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
- to thumb_far_jump_used_p.
-
- * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
- single integer parameter.
-
- * config/arm/arm.c (struct machine_function): Add two new
- fields, 'far_jump_used' and 'arg_pointer_live'.
- (thumb_far_jump_used_p): Once the decision has been made that
- far jumps might be used, always return true.
- If being called from the initial elimination offset macro then
- do not bother to perform the test if the arg pointer is not
- being used.
- (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
- (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
-
- 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
-
- * arm.c (output_return_instruction): Handle more cases where we can
- return from a function with an ldr instruction.
- (arm_output_epilogue): Likewise.
-
- * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
- if we need to push a large stack frame and there are no callee-saved
- registers.
-
- * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
- in ARM code if the frame pointer has been eliminated.
-
- * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
- unspec_volatile arguments to avoid duplicates.
- (consttable_1, consttable_2): Fixes for big-endian mode.
-
- * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
- as appropriate.
-
- Re-write constant pool code.
- * arm.c (minipool_node, minipool_fix): New types.
- (minifix): Delete type.
- (arm_add_minipool_constant): Delete.
- (arm_compute_minipool_offsets, arm_find_barrier,
- arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
- (get_jump_table_size): Now returns HOST_WIDE_INT.
- (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
- functions.
- (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
- (assign_minipool_offsets, arm_print_value): Likewise.
- (dump_minipool): Rewrite.
- (arm_barrier_cost): New function.
- (create_fix_barrier): New function.
- (push_minipool_barrier): New function.
- (push_minipool_fix): Record additional information about the fixup
- required.
- (note_invalid_constants): Remove push for (UNSPEC 3). Don't
- check the mode of what needs fixing.
- (arm_reorg): Rewrite.
-
- 2000-03-08 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.md (indirect_jump): Force constant addresses into
- a register.
-
- 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
-
- 2000-02-24 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
- adjust is word aligned.
- (thumb_expand_epilogue): Make sure that stack adjust is word
- aligned.
-
- * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
-
- 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
-
- * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
- pointer relative addresses.
-
- 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
-
- * arm.c (find_barrier): Find the last barrier within the allowed
- range.
-
- 2000-02-09 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm-protos.h: Replace PROTO with PARAMS.
-
- 2000-02-09 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
- ARM_FUNCTION_PROFILER.
-
- * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
- ARM_FUNCTION_PROFILER.
-
- * config/arm/linux-oldld.h: Imported from mainline sources.
-
- 2000-02-07 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/lib1funcs.asm: Merge in thumb functions from
- lib1thumb.asm.
-
- * config/arm/lib1thumb.asm: Delete.
-
- 2000-02-04 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c: Sychronised with current Red hat local
- sources.
- * config/arm/arm.h: Ditto.
- * config/arm/arm-protos.h: Ditto.
-
- 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
-
- * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
- byte stores.
-
- 2000-02-02 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
-
- * config/arm/arm.md (epilogue): Fix rtl checking abort because
- (return) was emited using an emit_insn() call.
-
- 2000-01-31 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c (output_thumb_prologue): Fix bug generating
- thumb stack frame.
- (thumb_exit): Move frame pointer back into hard frame pointer
- register if backtracing is being used.
-
- 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
-
- * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
- into branch.
-
- 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * config/arm/arm.md (neg_pool_offset): Provide default for new
- attribute.
- (arm_movsi_insn): Add neg_pool_offset attribute.
- * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
- rtx for the insn that starts the scan and an unsigned long for its
- address. Add MIN_OFFSET and PINSERTED args. All callers changed.
- Change scan to ignore insns before MIN_OFFSET. Store size of inserted
- instructions in *PINSERTED.
- (struct minipool_fixup): Add MIN_ADDRESS elt.
- (sort_fixups): Compute it.
- (arm_reorg): Changes to support inserting pools before the insn to be
- fixed up.
-
- 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
- * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
- * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
-
- Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/semi.h (TARGET_VERSION): Do not define if already
- defined.
- (TARGET_DEFAULT): Do not define if already defined.
-
- Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.md (anddi3): Allow disjoint source operands.
- (iordi3): Allow disjoint source operands.
- (xordi3): Allow disjoint source operands.
- (negdi2): Permit construction for ARM and Thumb.
- (arm_negdi2): Renamed version of old negdi2 pattern.
- (thumb_negdi2): New pattern: Only permit non-overlapping
- source and destination.
-
- Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
- scratch low register so that it will not be deleted.
-
- Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/pe.h (ARM_PE): Define.
-
- * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
- interfacearm attribute if this is a PE toolchain.
- (output_return_instruction): Do not emit anything if the function
- has the naked attribute set.
- (is_called_in_ARM_mode): If the function has the interfacearm
- attribute then return true.
- (thumb_expand_prologue): Do not generate a prologue for naked
- functions.
- (thumb_expand_epilogue): Do not generate an epilogie for a naked
- function.
- (output_thumb_prologue): Do not bother if the function is naked.
- Strip PE encoding from function name before emitting.
-
- Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
-
- * arm.md (pic_load_addr): Fix constraints.
-
- * arm.md (casesi_insn): Fix mis-applied patch.
-
- * arm.md ("core" function unit): Add rules for single- and
- multi-cycle insns.
- (All TARGET_THUMB patterns): Add "type" attribute information
- where needed.
- * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
- the following insn is a CALL.
-
- * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
- pointer.
- * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
- ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
- (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
-
- Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/linux-gas.h: oops - this file was missed out when the
- branch was created...
-
- Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
-
- * thumb.c: Deleted. Move contents to ...
- * arm.c: ... here.
- * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
- rule for thumb.o
- * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
- * configure: Regen.
-
- * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
- declare a prototype for asm_output_align();
-
- * arm.c (thumb_condition_code): Delete.
- (arm_print_operand): Always use arm_condition_code array.
-
- * arm.c (thumb_return_addr_rtx): Delete.
- (arm_save_machine_status, arm_restore_machine_status): Delete.
- (arm_init_machine_status, arm_mark_machine_status): New functions.
- (arm_init_expanders): Update accordingly.
- (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
- (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
- * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
-
- Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
-
- * configure.in : Fix arm-*-aout target to use new t-arm-aout
- script.
- * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
- targets.
-
- Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
- stack backtrace structure.
-
- * config/arm/arm-protos.h: Add prototypes for functions defined in
- arm/pe.h.
-
- * config/arm/arm.c (arm_override_options): Fix selection of
- attributes of default processor.
-
- * config/arm/coff.h: Delete needless #include.
-
- * config/arm/pe.c: Delete unused code.
-
- * config/arm/pe.h (CPP_DEFINES): Delete
- (SUBTARGET_CPP_SPEC): Define.
- (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
-
- * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
-
- Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
-
- * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
- updated.
- (CAN_DEBUG_WITHOUT_FP): Define.
- (FIXED_REGISTERS): Make r11 call-saved.
- (CALL_USED_REGISTERS): Likewise.
- (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
- (FRAME_POINTER_REQUIRED): Correct logic for determining when a
- frame-pointer is required.
- (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
- * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
- if the target normally needs a stack frame in non-leaf functions.
- (use_return_insn): Correct logic for determining when a return
- instruction can be used.
- (output_return_instruction): Handle the frame-pointer register as
- a normal register when not TARGET_APCS_FRAME.
- (arm_output_prologue): Likewise.
- (arm_output_epilogue): Likewise.
- (output_func_epilogue): Likewise.
- (arm_expand_prologue): Likewise.
- * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
-
- * arm.c (use_return_insn): No need to check floating point regs if
- TARGET_SOFT_FLOAT.
- (arm_find_minipool_constant): Correct typo; use GET_CODE to get
- the code of value stored in the minipool array.
- (arm_add_minipool_constant): Likewise.
-
-2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * basic-block.h (conflict_graph_enum_fn): K&R fix.
-
-2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * tree.c (tree_expr_nonnegative_p): New function.
-
- * tree.h (tree_expr_nonnegative_p): Declare.
-
- * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
- elide some sign_compare warnings.
- (build_conditional_expr): Likewise.
-
-Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
-
- * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
-
- * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
- * i386.c (print_operand): Use the proper suffix for a 387 HImode
- operand. Abort if a 387 operand has an unsupported size.
-
-2000-04-08 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c (parse_charconst): Null does not end character
- constants.
- * cppinit.c (ISTABLE): Null character handled as whitespace.
- * cpplex.c (null_warning): new function.
- (skip_string): Emit warning if nulls encountered.
- (_cpp_skip_hspace): Emit warning if nulls encountered.
- (_cpp_lex_token): Emit warning if nulls encountered. Drop
- them.
- * cpp.texi: Update.
-
-2000-04-07 Richard Henderson <rth@cygnus.com>
-
- * flow.c (loop_depth): Remove.
- (reg_next_use, cc0_live, mem_set_list): Replace with ...
- (struct propagate_block_info): New.
- (life_analysis): Don't allocate reg_next_use.
- (propagate_block_delete_insn): Break out of propagate_block.
- Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
- (propagate_block_delete_libcall): Likewise.
- (propagate_block): Create a propagate_block_info struct to pass
- to subroutines. Allocate one not two temporary regsets. Don't
- clobber memory for const calls. Look for clobbers in
- CALL_INSN_FUNCTION_USAGE.
- (mark_set_regs): Recognize COND_EXEC.
- (mark_set_reg): Break out of mark_set_1.
- (mark_used_reg): Break out of mark_used_regs.
- (mark_used_regs): Recognize COND_EXEC.
- (insn_dead_p): Use propagate_block_info struct.
- (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
- (find_auto_inc, try_pre_increment_1): Likewise.
- (print_rtl_with_bb): Dump regs live at end too.
- (count_reg_sets_1): Pass in loop_depth.
- (count_reg_sets, count_reg_references): Likewise.
- (recompute_reg_usage): Provide it.
-
-2000-04-07 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
- not the raw files.
-
-2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (do_elif): Skip the rest of the line if we're
- not going to bother evaluating it.
- (skip_if_group): Clear pfile->only_seen_white. Reorder loop
- to avoid pointless calls to the lexer.
-
-Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
-
-2000-04-07 Jason Merrill <jason@casey.cygnus.com>
-
- * calls.c (expand_call): emit_queue if we're trying a sibcall.
-
-2000-04-07 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
-
-2000-04-06 Geoff Keating <geoffk@cygnus.com>
-
- * Makefile.in: Build crtbeginS and crtendS like crtbegin and
- crtend so they can be multilibbed.
- (STAGESTUFF): Remove s-crt and s-crtS.
-
-2000-04-07 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
- if we discover we need a pseudo and no_new_pseudos is true.
- * config/alpha/alpha.md (ne:DI insn): New.
- (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
-
-2000-04-07 Richard Henderson <rth@cygnus.com>
-
- * rtl.def (COND_EXEC): New.
- * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
- * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
-
- * genconfig.c (have_cond_arith_flag): Remove.
- (have_cond_exec_flag): New.
- (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
- (main): Print HAVE_conditional_execution.
-
- * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
- (sched_analyze_insn, print_pattern): Likewise.
- * reload.c (find_equiv_reg): Likewise.
- * rtlanal.c (reg_referenced_p): Likewise.
- (note_stores, dead_or_set_regno_p): Likewise.
- (reg_overlap_mentioned_p): Rewrite to use a switch.
-
- * ggc.h (struct rtx_def): Forward declare.
-
- * print-rtl.c (debug_rtx_range): New.
- * rtl.h (debug_rtx_range): Declare.
-
- * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
-
- * gcse.c (gcse_main): Don't rebuild the CFG here.
- (delete_null_pointer_checks): Likewise.
- * ssa.c (convert_to_ssa): Likewise.
- * toplev.c (rest_of_compilation): Do it here instead. Combine
- sequential calls to TIMEVAR. Consistently use `insns' instead of
- `get_insns()'. Always split insns after reload when optimizing.
-
- * basic-block.h (merge_blocks_nomove): Declare.
- (tidy_fallthru_edge): Declare.
- * flow.c (merge_blocks_nomove): Document as merging into previous
- blocks. Remove cruft from between blocks; remove all edges out of A.
- (tidy_fallthru_edge): Export.
-
-2000-04-06 Alex Samuel <samuel@codesourcery.com>
-
- * ssa.c (compute_conservative_reg_partition): Declare with
- void arguments.
- * toplev.c (clean_dump_file): Remove previously-deleted function
- inadvertantly merged back in.
- * conflict.c (conflict_graph_add): Use a single call to
- htab_find_slot to look up and insert.
-
-2000-04-06 Richard Henderson <rth@cygnus.com>
-
- * genrecog.c (*): Rename _last_insn to last_insn.
- (make_insn_sequence): Set the position of the peephole2 C test
- to be at the last insn.
-
-2000-04-06 Richard Henderson <rth@cygnus.com>
-
- * flow.c (compute_flow_dominators): Free worklist.
-
-2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
-
- * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
-
-2000-04-06 Alex Samuel <samuel@codesourcery.com>
-
- * rtl.h (INSN_P): New macro.
- (successor_phi_fn): New typedef.
- (for_each_successor_phi): New prototype.
- (in_ssa_form): New variable.
- (PHI_NODE_P): Likewise.
- * flow.c (calculate_global_regs_live): Add to new_live_at_end from
- phi nodes in successors.
- (mark_used_regs): Add PHI case.
- (set_phi_alternative_reg): New function.
- (life_analysis): Assert that dead code elimination is not selected
- when in SSA form.
- * toplev.c (to_ssa_time): New variable.
- (from_ssa_time): Likewise.
- (compile_file): Zero to_ssa_time and from_ssa_time.
- Print time to convert to and from SSA.
- (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
- (print_time): Compute percent fraction as integer.
- * ssa.c (PHI_NODE_P): Moved to rtl.h.
- (convert_to_ssa): Check if we're already in SSA.
- Don't eliminate dead code in life_analysis.
- Rerun flow and life analysis at bottom.
- (eliminate_phi): Use canonical regnos when adding nodes.
- (mark_reg_in_phi): New function.
- (mark_phi_and_copy_regs): Likewise.
- (convert_from_ssa): Rerun life analysis at top.
- Use coalesced partition.
- Check for removing a phi node at the end of the block.
- (compute_coalesced_reg_partition): New function.
- (coalesce_regs_in_copies): Likewise.
- (coalesce_reg_in_phi): Likewise.
- (coalesce_regs_in_sucessor_phi_nodes): Likewise.
- (for_each_successor_phi): Likewise.
- (rename_context): New struct.
- (rename_block): Use a rename_context with rename_insn_1. When
- renaming sets of a subreg, emit a copy of the entire reg first.
- (rename_insn_1): Treat data as a rename_context *. Save current
- insn in set_data.
- (rename_set_data): Add field set_insn.
- * Makefile.in (HASHTAB_H): Move up in file.
- (OBSTACK_H): New macro.
- (collect2.o): Use OBSTACK_H in dependencies.
- (sdbout.o): Likewise.
- (emit-rtl.o): Likewise.
- (simplify-rtx.o): Likewise.
- (fix-header.o): Likewise.
- (OBJS): Add conflict.o.
- (conflict.o): New rule.
- * basic-block.h: Include partition.h.
- (conflict_graph): New typedef.
- (conflict_graph_enum_fn): Likewise.
- (conflict_graph_new): New prototype.
- (conflict_graph_delete): Likewise.
- (conflict_graph_add): Likewise.
- (conflict_graph_conflict_p): Likewise.
- (conflict_graph_enum): Likewise.
- (conflict_graph_merge_regs): Likewise.
- (conflict_graph_print): Likewise.
- (conflict_graph_compute): Likewise.
- * conflict.c: New file.
-
-2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
-
- * tlink.c (read_repo_files): Don't look for .rpo info for
- linker flags.
-
-Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
-
-Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * config/sh/lib1funcs.asm (___udivsi3_i4):
- ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
- only depends on FMOVD_WORKS.
-
-Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
- make double constant 8-byte aligned.
-
-2000-04-06 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
- movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
- movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
- (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
- Accept storing GENERAL_REGS into offsetable memory.
- * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
- building a TFmode constant other than 0.0L into GENERAL_REGS.
-
-2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
-
- * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
-
-2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
- (macro_cleanup): No need to cast pbuf->macro.
- (collect_expansion): Use _cpp_get_define_token. Goto done if
- it returns VSPACE. Remove check for trailing space after
- CPP_COMMENT.
- (_cpp_create_definition): Don't diddle flags here. Return
- directly on error.
- (unsafe_chars): Handle c1 being EOF.
- (push_macro_expansion): Use unsafe_chars for both accidental-paste
- checks. Don't push the buffer till after we're done with
- them.
- * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
- (PEEKN, FORWARD, GETC, PEEKC): Use them.
- (cpp_push_buffer): Don't set new->alimit. Set new->mark
- appropriately.
- (_cpp_parse_assertion): Don't NUL terminate.
- (_cpp_lex_token): Fix -traditional macro handling. Don't skip
- hspace before calling _cpp_parse_assertion. Remove all sets
- of only_seen_white. Treat '\f' as hspace. Don't do anything
- special with '\n' here.
- (maybe_macroexpand): Handle T_EMPTY hash entries without
- pushing a buffer at all.
- (cpp_get_token): Handle clearing only_seen_white here. Handle
- incrementing the line number here. Clear
- potential_control_macro as well as only_seen_white, if
- appropriate.
- (cpp_get_non_space_token): Don't eat CPP_POP tokens.
- (_cpp_get_define_token): New function, basically like
- _cpp_get_directive_token was but doesn't eat horizontal space.
- Don't do anything with only_seen_white here.
- (_cpp_get_directive_token): Just call _cpp_get_define_token
- repeatedly till it returns non-hspace.
-
- * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
- (conditional_skip, skip_if_group): Return int.
- (DIRECTIVE_TABLE): Change origin of all conditional directives
- to "COND".
- (TRAD_DIRECT_P): New macro.
- (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
- an error for a bogus directive, unless -lang-asm. Use
- TRAD_DIRECT_P. Loop calling handler functions till one returns
- zero.
- (get_macro_name): Don't diddle flags here.
- (do_define): Diddle flags here. Use _cpp_get_directive_token.
- Create T_EMPTY nodes for #define macro /* nothing */.
- (do_undef): Don't copy the name. Use _cpp_get_directive_token.
- Use hp->name when calling pass_thru_directive.
- (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
- Return the result of conditional_skip and/or skip_if_group.
- Don't call _cpp_output_line_command.
- (consider_directive_while_skipping): Use _cpp_get_directive_token.
- Issue -Wtraditional warnings as appropriate. Don't complain
- about unrecognized directives. If we are to stop skipping,
- return the number of the directive that ended the skip.
- (skip_if_group): Use _cpp_get_directive_token. Turn off macro
- expansion and line commands while skipping. Return the result
- of consider_directive_while_skipping, if nonzero.
- (do_endif): Just set potential_control_macro here.
- (validate_else): Use _cpp_get_directive_token.
- (do_assert, do_unassert): Don't save pointers into the
- token_buffer across calls to the lexer. Use
- _cpp_get_directive_token.
-
- * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
- pointer, not an offset. Replace 'data', which was a generic
- pointer, with 'macro', which points to a struct hashnode.
- (cpp_reader): Add 'potential_control_macro' pointer.
- * cpphash.h (T_UNUSED): Replace with T_EMPTY.
- (CPP_BUF_GET, CPP_FORWARD): Delete.
- (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
- (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
- ACTIVE_MARK_P): Update.
- (_cpp_get_define_token): New internal function.
- * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
-
-2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
-
- * configure.in: And here.
- * configure: Regenerate.
- * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
- --enable-libstdcxx-v3 is passed at configure time.
- * config.h.in: Regenerate.
-
-2000-04-05 Mark Mitchell <mark@codesourcery.com>
-
- * final.c (final): Use xcalloc to allocate line_note_exists.
- * function.c (free_after_compilation): Free the temp_slots.
- (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
- (combine_temp_slot): Free temp_slots when they get combined.
- (purge_addressof): Fix typo in comment.
- * stmt.c (mark_goto_fixup): Mark the fixup itself.
- (expand_fixup): Allocate the fixup with ggc_alloc_obj.
-
- * ggc.h: Include varray.h.
- (ggc_pending_trees): Declare.
- (ggc_mark_tree_children): Remove declaration.
- (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
- * ggc-common.c (ggc_pending_trees): New variable.
- (ggc_mark_roots): Call ggc_mark_trees.
- (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
- the ggc_pending_trees.
- * Makefile.in (GGC_H): New variable. Use it throughout in place
- of ggc.h.
-
-Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
- GET_MODE_SIZE.
-
-Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (sh_insn_length_adjustment): New function.
- * sh-protos.h (sh_insn_length_adjustment): Declare.
- * sh.h (ADJUST_INSN_LENGTH): Use it.
-
-Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
- from the insn where REG_RETVAL is added.
- (emit_no_conflict_block): Ditto.
-
- * md.texi (Standard Names): Clarify when movX is needed.
-
- * combine.c (simplify_comparison) [MINUS]: Do not replace
- all (op (minus A B) 0) with (op A B).
-
-Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
- J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (block_lump_real_i4): Add missing clobber of T_REG
- (block_lump_real): Likewise.
-
-2000-04-05 Chris Demetriou <cgd@netbsd.org>
-
- * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
- remaining non-zero debugging masks.
-
-Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
-
- * basic-block.h (verify_flow_info): Declare.
- (flow_loop_outside_edge_p): Declare.
- * flow.c (verify_flow_info): Remove declaration.
- (clear_log_links, flow_loop_outside_edge_p): Likewise.
-
-Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
-
- * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
- not C++ comments.
-
-2000-04-05 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
- snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
- seqdi_zero_trunc+1): Allow splits only if registers are
- different.
-
-2000-04-04 Ulrich Drepper <drepper@cygnus.com>
-
- * acconfig.h: Add HAVE_GAS_HIDDEN.
- * config.in: Regenerated.
- * configure.in: Add test for .hidden pseudo-op in gas.
- * configure: Regenerated.
- * crtstuff.c: Include auto-host.h.
- Emit additional .hidden pseudo-op for __dso_handle if the
- assembler knows about it.
-
-2000-04-04 Philippe De Muyter <phdm@macqel.be>
-
- * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
- before freeing argnames.
- * cpplib.c (do_ifndef): Cast return value of xstrdup.
-
-2000-04-05 Michael Meissner <meissner@redhat.com>
-
- * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
- Walton <jonboy@gordian.com> to make memory references with update
- work wtih -mregnames.
-
-2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
- (regrename_optimize): Rename variables `def_uses' and
- `ext_basic_blocks' to avoid conflicts with similarly named
- typedefs in traditional C.
-
- * calls.c (initialize_argument_information): Fix typo in previous
- change.
-
-2000-04-04 Richard Henderson <rth@cygnus.com>
-
- * regrename.c (consider_available): Test fixed_regs not
- PIC_OFFSET_TABLE_REGNUM.
-
-2000-04-04 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
- crtend.
- (CRTSTUFF_T_CFLAGS_S): Delete definition.
- * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
- (ENDFILE_LINUX_SPEC): Always use crtend.
- * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
- (powerpc-*-linux-gnu): Likewise.
- * configure: Regenerate.
-
- * config/rs6000/eabi.h: Don't include sysv4.h.
- (MULTILIB_DEFAULTS): Don't define.
- * config/rs6000/eabiaix.h: Don't include eabi.h.
- * config/rs6000/eabile.h: Delete.
- * config/rs6000/eabilesim.h: Delete.
- * config/rs6000/eabisim.h: Don't include eabi.h.
- * config/rs6000/linux.h: Don't include sysv4.h.
- (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
- (MULTILIB_DEFAULTS): Don't redefine.
- * config/rs6000/rtems.h: Don't include eabi.h.
- * config/rs6000/sol2.h: Don't include sysv4le.h.
- * config/rs6000/sysv4le.h: Don't include sysv4.h.
- * config/rs6000/t-ppc: Delete.
- * config/rs6000/t-ppcgas: Correct comment.
- * config/rs6000/t-ppcos: Correct comment. Don't build
- multilibs for -fPIC, rather use -fPIC -mstrict-align
- as default.
- * config/rs6000/t-ppc: Delete.
- * config/rs6000/vxppc.h: Don't include sysv4.h.
- * config/rs6000/vxppcle.h: Delete.
- * configure.in: Use multiple header files for p2pc ELF targets
- powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
- powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
- powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
- powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
- always available for these platforms.
-
-2000-04-04 Richard Henderson <rth@cygnus.com>
-
- * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
-
-2000-04-04 Stan Cox <scox@cygnus.com>
-
- * Makefile.in: Add rules for regrename.o
- * regrename.c: New file.
- * rtl.h (regrename_optimize): Add prototype.
- * toplev.c (rename_registers_dump, flag_rename_registers): New variables
- (compile_file, decode_d_option): Add support for -frename-registers.
- (rest_of_compilation): Call regrename_optimize.
- * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
- New macros.
-
-2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * Makefile (gccbug): New target.
- (doc): Depend on it.
- * gcc.texi (Bugs): Link subnodes.
- (gccbug): New node.
- * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
- Document severities, priorities, and classes in bug form.
-
-2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplex.c (trigraph_map, speccase): Combine into single
- table, chartab.
- (NORMAL, NONTRI): New macros.
- (_cpp_read_and_prescan): Change to use unified table. Use
- is_hspace to test for whitespace.
-
- * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
- definition that doesn't provoke the "empty body in an
- if-statement" warning.
-
-2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
-
- * builtins.c (expand_builtin_strlen): Force the source to
- be a memory address.
-
-2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
-
-Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
- ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
- (ECF_IS_CONST): Rename to ECF_CONST.
- (special_function_p): Make static, change interface.
- (flags_from_decl_or_type, try_to_integrate): Break out from ...
- (expand_call) ... here; convert number of variables to flags.
- (emit_library_call_vlue_1): Likewise.
- (setjmp_call_p): New function.
- (initialize_argument_information): Accepts flags as argument;
- return flags.
- (precompute_arguments): Likewise.
- * tree.h (special_function_p): Remove.
- (setjmp_call_p): Add prototype.
-
-2000-04-04 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
- so that addresses are offsetable by up to 16 bytes.
- (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
- non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
- offsetable.
-
- * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
- (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
- (movsf): Don't force any constant to memory if target is integer
- hard register.
- Move fp_zero_operand check below the const0_rtx check.
- (movtf): Likewise. Also allow fp_zero_operand for stores into
- memory.
- (movdf): Likewise. Also allow fp_zero_operand for stores into
- memory and into integer hard registers.
- (clear_df, clear_dfp, movdf_const_intreg_sp32,
- movdf_const_intreg_sp64): Remove.
- (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
- conditions.
- (movdf_no_e_insn_v9_sp32): New pattern.
- (movdf_insn_v9only): Remove.
- (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
- (movdf_insn_sp64): Remove.
- (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
- (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
- (following splits): Rewrite conditions. Add two new splits
- for storing 0.0 into memory and registers.
- (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
- (movtf_insn_sp32): Redo constraints and conditions.
- (movtf_insn_vis_sp32): New pattern.
- (movtf_no_e_insn_sp32): Redo constraints and conditions.
- (movtf_insn_hq_sp64): Likewise.
- (movtf_insn_hq_vis_sp64): New pattern.
- (movtf_insn_sp64): Redo constraints and conditions.
- (movtf_insn_vis_sp64): New pattern.
- (movtf_no_e_insn_sp64): Redo constraints and conditions.
- (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
- or memory.
- * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
- -mvis or -m64 to take down the number of various reload patterns.
-
-Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
-
- * pa/pa-64.h: New file.
- * pa/pa64-regs.h: New file.
- * pa/pa64-start.h: New file.
- * pa/t-pa64: New file.
- * pa/xm-pa64hpux.h: New file.
-
-2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * sparc.c (output_restore_regs): Prototype.
- (sparc_emit_float_lib_cmp): Constification.
-
- * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
-
- * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
- Prototype.
-
- * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
- (get_value_hash, hash_rtx): Likewise.
-
- * ssa.c (compute_conservative_reg_partition): Prototype.
-
- * tree.c (mark_hash_entry): Prototype.
-
-2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
-
- * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
- * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
- * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
-
- * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
- * objc/lang-specs.h: Likewise.
-
-2000-04-03 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
- and SYNTAX_ERROR2. Replace `' in messages with ''.
- (op_to_str): Make re-entrant.
- (_cpp_parse_expr): Implement new error macros. Use | rather
- than || to logically or 2 boolean integers. Simply expression
- checking we have a left operand iff needed.
-
-2000-04-03 Nick Clifton <nickc@cygnus.com>
-
- * Makefile.in (diagnostic.o): Depend upon diagnostic.c
-
-2000-04-03 Philip Blundell <philb@gnu.org>
-
- * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
-
-2000-04-03 Felix Lee <flee@cygnus.com>
-
- * fixinc/server.c (find_shell): New function. Avoid $SHELL.
- (run_shell): Use it.
-
-2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
-
- * Makefile.in (stmp-int-hdrs): Make include subdir here...
- (stmp-fixproto): ...rather than here.
-
-Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
-
- * pa.c (print_operand): Compute 'base' only inside the code paths
- that use it.
-
-2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
-
- * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
- CEIL_DIV_EXPR.
-
-2000-04-03 Philipp Thomas <pthomas@suse.de>
-
- * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
-
-Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
-
- * Makefile.in (alias.o): Depend on $(TREE_H).
-
-2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppinit.c (cpp_start_read): Turn off -Wtraditional if
- processing C++.
- * cpplib.c (_cpp_handle_directive): Improve warnings for
- traditional C and indented directives.
-
- * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
- fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
- fixinc/inclhack.def: Indent the # of #include_next one space.
- * cp/rtti.c: Un-indent #if and #endif.
-
- * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
- syntax error, but an error has already been printed.
- * cpplex.c (_cpp_parse_assertion): Give a more specific error
- message when called with nothing remaining on the line.
- (_cpp_lex_token): If _cpp_parse_assertion fails, return an
- OTHER token, not an ASSERTION.
- * cpplib.c (do_assert): When we create a 'base' node, clear
- its aschain pointer.
-
-2000-04-02 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: New typedef op_t. struct operation and struct
- token updated to use it.
- (op_to_str): New function.
- (_cpp_parse_expr): Error messages modified to use op_to_str.
-
-2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
- before checking MUST_PASS_IN_STACK.
-
-2000-04-02 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: New FINISHED dummy token. Combine operator initial
- flags and initial priority into a single constant. New
- EQUALITY macro. New operator flag SHORT_CIRCUIT.
- (_parse_cpp_expr): Implement new constants. Take left operand
- checks out of reduction loop. Handle SHORT_CIRCUIT. End of
- parse indicated by reducing FINISHED token. Remove new lines
- from cpp_error messages.
-
-2000-04-01 Mark Mitchell <mark@codesourcery.com>
-
- * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
- permanent obstack.
-
-2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c: Include symcat.h. Add 'origin' field to struct
- directive. Add origin values to DIRECTIVE_TABLE. Generate
- the strings and function names on the fly. Take the #sccs
- entry out of the table if SCCS_DIRECTIVE is not defined.
- (_cpp_handle_directive): Decide if the # was at the beginning
- of the line here. Issue -pedantic warnings for extended
- directives here. Warn about K+R directives with the #
- indented, and C89/extended directives with the # not indented,
- here.
- (do_import, do_include_next, do_warning, do_ident, do_sccs,
- do_assert, do_unassert): Don't issue pedantic warning here.
-
- * cpphash.h: Add CPP_WTRADITIONAL macro.
- * cpplib.h (struct cpp_options): Rename warn_stringify to
- warn_traditional; update comments.
- * cppinit.c (handle_option): Set warn_traditional not
- warn_stringify.
- * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
- CPP_WTRADITIONAL (pfile).
- * cpplex.c (_cpp_lex_token): Don't decide if directives should
- be ignored in -traditional mode here.
-
- * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
- to initialize speccase[] and trigraph_map[]. Delete all
- references to pfile->input_speccase. Always treat '?' as a
- special character. Remove table-initialization code from
- _cpp_init_input_buffer.
-
- * cpplib.h (struct cpp_reader): Remove input_speccase field.
- * cppinit.c (cpp_cleanup): Don't free input_speccase.
-
-2000-04-01 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
- (mostlyclean): Likewise.
-
- * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
- (struct dump_file_info, enum dump_file_index, dump_file): New.
- (open_dump_file): Take a dump_file_index not a suffix, and a decl
- not a string. Clean out file if we havn't yet done so. Do nothing
- if the dump isn't enabled.
- (close_dump_file): Do nothing if the dump isn't open. Dump
- graph data if requested.
- (dump_rtl, clean_dump_file): Remove.
- (compile_file): Don't clean the dump files. Only finalize .bp dump
- if flag_test_coverage or flag_branch_probabilities. Only finalize
- .combine dump if optimizing. Iterate over dump_file to finalize the
- graph dumps.
- (rest_of_compilation): Update for open_dump_file/close_dump_file.
- Convert all uses of dump_rtl.
- (decode_d_option): Iterate over dump_file to implement 'a' and to
- locate pass-specific dumps.
-
-2000-04-01 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: Redefine priority constants.
- (_cpp_parse_expr): Replace left and right priority scheme with
- single priority logic. Move LOGICAL to same place as COMPARE.
- Remove bogus check for multiple unary +/- operators.
-
-2000-04-01 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
- within the switch statement. Binary operations break out of
- the switch naturally. '(' tokens handled by forcing
- immediate shift. ')' handled by forcing immediate reduce to
- the previous '('. New error messages.
-
-2000-03-31 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
- part', it's already in use. Use %K instead. Add a return at the
- end of what is now %K.
- * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
-
-Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * builtins.c (expand_builtin_apply): Pass proper parameters to
- allocate_dynamic_stack_space.
- * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
- update stack_pointer_delta; do not update arg_size_so_far.
- (compute_argument_block_size): Use stack_delta instead of
- stack_pointer_pending and arg_size_so_far.
- (expand_call): Add sanity checking for stack_pointer_delta;
- save and restore stack_pointer_delta for SIB, use
- stack_pointer_delta for alignment; do not update arg_space_so_far.
- (emit_library_call_value): Use stack_pointer_delta for alignment.
- (store_one_arg): Do not update arg_space_so_far.
- * explow.c (adjust_stack, anti_adjust_stack): Update
- stack_pointer_delta.
- (allocate_dynamic_stack_space): Add sanity checking for
- stack_pointer_delta.
- * expr.c (init_expr, clear_pending_stack_adjust): Clear
- stack_pointer_delta.
- (emit_push_insn): Update stack_pointer_delta.
- * function.h (struct expr_status): Add x_stack_pointer_delta;
- remove x_arg_space_so_far.
- (arg_space_so_far): Remove.
- (stack_pointer_delta): New macro.
-
-2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h: Merge struct cpp_options into struct cpp_reader.
- Reorder struct cpp_options and struct cpp_reader for better
- packing. Replace CPP_OPTIONS macro with CPP_OPTION which
- takes two args. Change all 'char' flags to 'unsigned char'.
- Move show_column flag into struct cpp_options. Don't
- prototype cpp_options_init.
- * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
- cppinit.c, cpplex.c, cpplib.c:
- Replace CPP_OPTIONS (pfile)->whatever with
- CPP_OPTION (pfile, whatever), and likewise for
- opts = CPP_OPTIONS (pfile); ... opts->whatever;
-
- * cppinit.c (merge_include_chains): Take a cpp_reader *.
- Extract CPP_OPTION (pfile, pending) and work with that
- directly.
- (cpp_options_init): Delete.
- (cpp_reader_init): Turn on on-by-default options here.
- Allocate the pending structure here.
- (cl_options, enum opt_code): Define these from the same table,
- kept in a large macro. Add -fshow-column and -fno-show-column
- options.
-
- * cpperror.c (v_message): If show_column is off, don't print
- the column number.
-
- * cppmain.c: Update for new interface.
- * fix-header.c: Likewise.
-
-2000-03-30 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
- definition.
- * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
- are passed to any invocation of AR_FOR_TARGET.
- (AR_CREATE_FOR_TARGET): New macro.
- (AR_EXTRACT_FOR_TARGET): New macro.
- (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
- AR_EXTRACT_FOR_TARGET.
- (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
- in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
- `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
- AR_EXTRACT_FOR_TARGET to sub-makes.
-
-2000-03-31 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c: Delete SKIP_OPERAND. Correct priority
- PAREN_INNER_PRIO.
- (_cpp_parse_expr): Check for multiple unary +/- operators.
- Correct priorities of ':' and '?'. Treat ')' as having a
- value. Ensure conditional expression is not void.
-
-2000-03-31 Mark Mitchell <mark@codesourcery.com>
-
- * alias.c (canon_rtx): Make it global.
- (rtx_equal_for_memref_p): CONST_INT equality is now pointer
- equality.
- * cse.c (struct table_elt): Add canon_exp.
- (insert): Clear it.
- (invalidate): Canonicalize expressions only once.
- * rtl.h (canon_rtx): Declare.
-
-2000-03-30 Mark Mitchell <mark@codesourcery.com>
-
- * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
- * alias.c (reg_known_value): Add comments.
- (init_alias_analysis): Likewise.
- * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
- address.
- (cse_basic_block): Fix typo in comment.
- * emit-rtl.c: Include hashtab.h.
- (const_int_htab): New variable.
- (const_int_htab_hash): New function.
- (const_int_htab_eq): Likewise.
- (rtx_htab_mark_1): Likewise.
- (rtx_htab_mark): Likewise.
- (gen_rtx_CONST_INT): Cache all CONST_INTs.
- (unshare_all_rtx): Fix formatting.
- (init_emit_once): Initialize const_int_htab.
- * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
- address.
- * rtl.texi: Document the fact that all CONST_INTs with the same
- value are shared.
-
-2000-03-30 Richard Henderson <rth@cygnus.com>
-
- * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
-
-2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
-
- * configure.in: Comment out --enable-c-cpplib stanza.
- * configure: Regenerate.
-
-Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (store_constructor): Properly compute displacement and
- alignment when offset is variable.
-
- * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
- cases of alignment in bytes.
-
-Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
-
- * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
- since it is used to generate c-parse.y.
- * objc-parse.c, objc-parse.y: Regenerated.
-
- * function.c (expand_function_end): Pass alignment argument to
- emit_block_move in bits, not bytes.
-
-Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (move_by_pieces_ninsns): Fix one more missing align
- correction.
-
- * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
-
- * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
- * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
- * function.c (assign_parms): Likewise.
- * integrate.c (expand_inline_function): Likewise.
- * stmt.c (expand_decl): Likewise.
- (copy_rtx_and_substitute): Likewise.
- * expr.c (expand_expr, expand_expr_unaligned): Likewise.
- (clear_by_pieces): Fix error in last change.
- * emit-rtl.c (init_emit): Set known registers alignment in bits.
- * function.h (regno_pointer_align): Now unsigned.
- * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
- is in bits.
- * config/i386/i386.c (aligned_operand): Likewise.
- * config/sparc/sparc.c (mem_min_alignment): Likewise.
- * config/alpha/alpha.c (aligned_memory_operand): Likewise.
- (unaligned_memory_operand): Likewise.
- (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
- Also make alignments and sizes unsigned and some whitespace cleanup.
- (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
-
- * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
- (expand_builtin_apply): Pass alignment to emit_block_move in bits.
- (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
- (expand_builtin_memset): Likewise, but to clear_storage.
- * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
- (restore_fixed_argument_area): Likewise.
- (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
- (load_register_parameters): Likewise, to emit_group_load.
- (expand_call): Likewise, to emit_group_store and emit_block_move.
- (emit_library_call_value_1): Likewise, to emit_block_move.
- (store_one_arg): Likewise, and to emit_push_insn.
- * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
- (extract_fixed_bit_field, extract_split_bit_field): Likewise.
- * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
- (emit_block_move, emit_group_load, emit_group_store): Likewise.
- (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
- (expand_assigment, store_expr, store_constructor_field): Likewise.
- (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
- (store_constructor, store_field, get_inner_reference): Likewise.
- Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
- (expand_expr, case COMPONENT_REF): Likewise.
- (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
- and positions; reindent code.
- * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
- * function.c (purge_addressof_1): Pass bit align to store_bit_field.
- (assign_parms): Likewise to emit_group_store.
- * optabs.c (prepare_cmp_insn): Alignment is in bits.
- (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
- * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
- (expand_return): Likewise to {extract,store}_bit_field.
- * stor-layout.c (get_mode_alignment): Minor cleanup.
- * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
- * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
-
-2000-03-29 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.h: Undo effects of previous delta:
- (ASM_SPEC): Do not define.
- (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
-
- * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
- typo.
-
-2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppinit.c (cpp_start_read): Call initialize_dependency_output
- only after reading in the primary source file.
-
-2000-03-29 Geoff Keating <geoffk@cygnus.com>
-
- * c-common.c (c_common_nodes_and_builtins): The first parameter to
- __builtin_va_start and __builtin_va_copy is now either a 'va_list'
- or a reference to a va_list.
- * builtins.c (stabilize_va_list): Simplify now we don't have to
- work around C array address decay.
- * c-typeck.c (convert_for_assignment): Handle assignment to
- a reference parameter by taking the address of the RHS.
- * ginclude/stdarg.h (va_start): Don't take address of first parameter.
- (va_copy): Likewise.
- (__va_copy): Likewise.
- * ginclude/varargs.h (va_start): Likewise.
- (__va_copy): Likewise.
-
-Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
-
- * i386/djgpp.h: Remove extraneous "+".
-
- * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
-
- * calls.c (expand_call): Fix typo in last change.
-
-2000-03-29 Jason Merrill <jason@casey.cygnus.com>
-
- * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
- been expanded.
-
-Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
- (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
- (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
- * tree.c (bit_position, byte_position): Likewise.
- * tree.h: Declare new functions.
-
-2000-03-29 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c: Minor formatting changes/
- * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
- already defined.
- (ASM_SPEC): Define if not already defined.
-
-2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (cpp_read_file): Don't pass zero-length string to
- _cpp_calc_hash.
-
-2000-03-29 Jakub Jelinek <jakub@redhat.com>
-
- * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
- value, don't output it as unsigned.
-
-Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
-
- * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
-
-2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * c-common.c (c_common_nodes_and_builtins): Don't special case
- cplus_mode when declaring builtin bzero/bcmp, always avoid
- prototype arguments.
-
-2000-03-29 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
- to a non-file
-
-Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- Convert ACCUMULATE_OUTGOING_ARGS to an expression.
- * calls.c (PUSH_ARGS_REVERSED) Change to expression.
- (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
- (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
- (save_fixed_argument_area, restore_fixed_argument_area):
- conditionize by #ifdef REG_PARM_STACK_SPACE only.
- (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
- to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
- (precompute_register_parameters): Avoid #ifdefs on
- ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
- (stire_one_args): Likewise.
- (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
- (emit_library_call_value_1): Likewise.
- (compute_argument_block_size): Align to STACK_BOUNDARY only for
- ACCUMULATE_OUTGOING_ARGS.
- * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
- value.
- (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
- (use_crosses_set_p): Likewise.
- * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
- #define ACCUMULATE_OUTGOING_ARGS 1.
- * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
- frames.
- * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
- constants.
- (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
- (TARGET_SWITCHES): Add push-args, no-push-args,
- accumulate-outgoing-args and no-accumulate-outgoing-args.
- (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
- * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
- (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
- and PUSH_ROUNDING.
- (emit_push_insn): Likewise.
- * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
- (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
- * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
- (STACK_DYNAMIC_OFFSET): Define correctly for both
- ACCUMULATE_OUTGOING_ARGS and normal mode.
- * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
- * tm.texi (PUSH_ARGS): Document.
- (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
-
-Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
-
- * flags.h (flag_optimize_sibling_calls): Declare.
- * calls.c (expand_call): Fail sibcall when
- !flag_optimize_sibling_calls
- * invoke.texi (flag_optimize_sibling_calls): Document.
- * toplev.c (flag_optimize_sibling_calls): New global variable.
- (f_options): Add flag_optimize_sibling_calls.
- (rest_of_compilation): Conditionize
- optimize_sibling_and_tail_recursive_calls by
- flag_optimize_sibling_calls.
- (main): Set flag_optimize_sibling_calls for -O2.
- * stmt.c (expand_return): Conditionize tail recursion by
- flag_optimize_sibling_calls.
-
-2000-03-29 Richard Henderson <rth@cygnus.com>
-
- * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
- (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
-
-2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
-
- * except.c (add_eh_table_entry): Mark type_info's as referenced.
-
-2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
- is given.
- * config/rs6000/aix43.h (CPP_SPEC): Likewise.
- * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
- * config/rs6000/aix.h: then modified likewise.
-
-2000-03-28 Richard Henderson <rth@cygnus.com>
-
- * rtl.h: Redistribute enum reg_note documentation.
- Kill trailing whitespace.
- * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
- Kill trailing whitespace.
-
-2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (hash_IHASH): Just return i->hash.
- (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
- htab_find_with_hash.
- (cpp_read_file): Likewise.
- (find_include_file): Likewise. Properly initialize
- ih->nshort. Share ih->name and ih->nshort if possible.
- * cpphash.c (_cpp_calc_hash): New function.
- (hash_HASHNODE): Just return h->hash.
- (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
- htab_find_with_hash.
- * cpphash.h: Prototype _cpp_calc_hash.
- * cppinit.c (initialize_builtins): Provide a valid hash
- to _cpp_make_hashnode, using _cpp_calc_hash.
-
- * cpphash.c (collect_expansion): # is not a special character
- in object-like macros. In -traditional mode, /**/ is not
- token paste at the beginning or end of the line.
- * cpplib.c (do_include, do_import, do_include_next): If
- parse_include fails, return immediately.
-
-2000-03-28 Jason Merrill <jason@casey.cygnus.com>
-
- * config/arm/arm.md (return peepholes): Update to reflect the new
- call insn patterns.
- * config/arm/arm.c (arm_volatile_func): Also check
- current_function_nothrow.
- (output_return_instruction, output_func_prologue): Use it.
- (arm_output_epilogue, arm_expand_prologue): Likewise.
-
-2000-03-27 Tom Tromey <tromey@cygnus.com>
-
- * gcc.c (handle_braces): In {x*...} case, break out of loop if
- switch is found.
-
-Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (store_constructor): SIZE now signed.
- For EXPR_SIZE, don't evaluate size; just needed if constant.
- * fold-const.c (fold): Fix a number of cases when folded tree is
- wrong type.
- * function.c (flush_addressof): Reenable.
- * tree.h (flush_addressof): Likewise.
- * toplev.c (independent_decode_option): Look at strings_processed.
- * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
-
-Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
-
- * sibcall.c (indentify_call_return_value): Find last call in the chain;
- Allow stack adjustment after function call.
-
- * regmove.c (struct csa_memlist): Make mem field rtx *.
- (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
- (try_apply_stack_adjustment): Replace whole MEM rtx.
- (combine_stack_adjustments_for_block): Update calls
- to record_one_stack_ref.
-
-2000-03-28 Neil Booth <NeilB@earthling.net>
-
- * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
- '\\' rather than a null character, so nulls are not special. Fix
- "\\\n" handling in end-of-buffer conditions. Use trigraph map to
- speed trigraph conversion.
- (_cpp_init_input_buffer): Initialize trigraph map.
-
-2000-03-27 Alan Modra <alan@linuxcare.com.au>
-
- * config/i386/i386.c (output_387_binary_op): Correct intel
- mode assembly output, and add spaces after commas in AT&T
- output. Correct Unixware assembler comment. Document input
- constraints. Comment fp operations. Reduce profligate buffer
- size. Remove extraneous abort. Localize temp var.
- (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
- (output_fix_trunc): Add spaces after commas in assembly output.
-
-2000-03-27 Richard Henderson <rth@cygnus.com>
-
- * i386-protos.h (ix86_match_ccmode): Declare.
- * i386.c (ix86_match_ccmode): New.
- (ix86_expand_fp_compare): Update for pattern renames.
- (ix86_expand_strlensi_unroll_1): Likewise.
- * i386.h (EXTRA_CC_MODES): Add CCZ.
- (SELECT_CC_MODE): Use it for EQ/NE zero.
- * i386.md (cmpsi_ccz_1): New.
- (cmpqi_ccz_1): New.
- (*testsi_ccz_1): New.
- (testqi_ccz_1): New.
- (cmpsi_ccno_1): Rename from cmpsi_0.
- (testsi_ccno_1): Rename from testsi_1.
- (testqi_ccno_1): Rename from testqi_1.
- (*testqi_ext_ccz_0): Rename from testqi_ext_0.
- (testqi_ext_ccno_0): Rename from *testqi_ext_1.
- (*cmphi_0): Use ix86_match_ccmode.
- (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
- (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
- (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
- (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
- (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
- (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
- (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
- (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
- (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
- (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
- (appropriate peepholes): Likewise.
- (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
- (*subsi_3, *subhi_3, *subqi_3): Remove.
- (*negdi2_1+1 splitter): Use CCZ for neg patterns.
- (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
- (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
- (*neghi2_cmpz, *negqi2_cmpz): Similarly.
- (x86_shift_adj_1): Use CCZ.
- (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
-
-2000-03-27 Stan Cox <scox@cygnus.com>
-
- * resource.h (mark_resource_type): New.
- * resource.c (find_dead_or_set_registers, mark_target_live_regs,
- find_free_register): Use mark_resource_type.
- (mark_set_resources): Change include_delayed_effects
- to mark_resource_type.
- * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
- redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
- Use mark_resource_type.
-
-2000-03-27 Richard Henderson <rth@cygnus.com>
-
- * i386.md (call_pop_0, call_value_pop_0): New.
- (call_pop_1): Remove constraint from unused arg. Support sibcalls.
- (call_value_pop_1): Likewise.
- (call_0, call_value_0): New.
- (call_1, call_value_1): Remove constraint from unused arg.
-
-2000-03-27 Nick Clifton <nickc@cygnus.com>
-
- * invoke.texi (Spec Files): Document new spec % command created by
- Tom Tromey's recent patch.
-
-2000-03-27 Jakub Jelinek <jakub@redhat.com>
-
- * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
- if not defined.
-
-Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (expand_assignment): Fix typo in last change.
-
- * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
-
-Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * c-convert.c (convert): Return if output or input type is ERROR_MARK.
- * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
- and DECL_INLINE if FUNCTION_DECL.
- (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
- (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
- Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
- (combine_parm_decls): Likewise.
- * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
- * print-tree.c (print_node): Likewise.
- Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
- DECL_TRANSPARENT_UNION on proper decl types.
- Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
- * stor-layout.c (layout_decl): Only check DECL_PACKED and
- DECL_BIT_FIELD of FIELD_DECL.
- * tree.h (DECL_RESULT_FLD): New macro.
-
- * expr.c (expand_assignment): Add code to handle variable-sized
- BLKmode case.
-
-2000-03-26 Richard Henderson <rth@cygnus.com>
-
- * calls.c (expand_call): Pass parms not original exp to
- optimize_tail_recursion. Mind return value instead of looking
- for a barrier.
- * stmt.c (optimize_tail_recursion): Take parameter list, not entire
- call_expr. Move checks for call_expr and current_function_decl ...
- (expand_return): ... here.
-
-2000-03-26 Tom Tromey <tromey@cygnus.com>
-
- * gcc.c (handle_braces): Recognize `%{<S}' construct.
- (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
- defines.
- (process_command): Use them.
- (check_live_switch): Likewise.
- (give_switch): Skip ignored switches.
-
-2000-03-26 Jan Hubicka <jh@suse.cz>
-
- * jump.c (jump_optimize_1): Fix typo in elide optimizations
- for minimal jump pass test.
-
-2000-03-26 Mark Mitchell <mark@codesourcery.com>
-
- * integrate.c (function_cannot_inline_p): Do inline functions that
- return `void'.
-
-Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stor-layout.c (layout_type, set_sizetype): early_type_list is
- now a list of TREE_LIST entries, not types.
- * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
-
- * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
- * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
- int_bit_position.
- * config/mips/mips.c (function_arg): Likewise; also remove cast
- and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
- (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
- * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
- * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
- (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
- (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
- (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
- (struct mips_arg): arg_number, arg_words, fp_arg_words, and
- num_adjusts now unsigned.
- (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
- * config/sparc/sparc.c (struct function_arg_record_value_parms):
- NREGS now unsigned.
- (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
- as is BITPOS variable; use host_integerp and int_bit_position.
- (function_arg_record_value_2): Likewise.
- (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
- Variable REGNO now unsigned.
- (function_arg_record_value): NREGS now unsigned.
-
-2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
-
-Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Rework fields used to describe positions of bitfields and
- modify sizes to be unsigned and use HOST_WIDE_INT.
- * alias.c (reg_known_value_size): Now unsigned.
- * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
- (really_start_incremental_init): Use bitsize_zero_node.
- (push_init_level, pop_init_level, output_init_element): Likewise.
- Use bitsize_unit_node and bitsize_one_node.
- (output_pending_init_elements, process_init_element): Likewise.
- * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
- (make_extraction): Position and length HOST_WIDE_INT and unsigned
- HOST_WIDE_INT, respectively.
- (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
- (num_sign_bit_copies): Returns unsigned.
- BITWIDTH now unsigned; rework arithmetic.
- Remove recursive call from arg to MAX.
- (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
- (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
- REGNO now unsigned.
- (set_nonzero_bit_and_sign_copies): NUM now unsigned.
- (find_split_point, expand_compound_operation, make_extraction): LEN
- now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
- (make_field_assignment): Likewise.
- (combine_simplify_rtx): Add cast.
- (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
- (force_to_mode): WIDTH now unsigned; add cast.
- (if_then_else_cond): SIZE now unsigned.
- (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
- (extended_count): Now returns unsigned.
- (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
- Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
- (simplify_comparison): MODE_WIDTH now unsigned.
- (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
- (mark_used_regs_combine): Likewise; rework arithmetic.
- (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
- (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
- (record_promoted_value): REGNO now unsigned.
- (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
- (get_last_value): REGNO now unsigned.
- (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
- (reg_dead_regno, reg_dead_endregno): Now unsigned.
- (remove_death): Arg REGNO now unsigned.
- (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
- (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
- now unsigned.
- * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
- * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
- (struct cse_reg_info): REGNO now unsigned.
- (cached_regno): Now unsigned.
- (REGNO_QTY_VALID_P): Add cast.
- (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
- (remove_invalid_regs): Likewise.
- (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
- as are variables END and I.
- (get_cse_reg_info, insert): Likewise.
- (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
- (canon_hash): Likewise.
- (insert_regs, lookup_for_remove): REGNO now unsigned.
- (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
- New variable RN.
- * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
- * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
- * emit-rtl.c (subreg_realpart_p): Add cast.
- (operand_subword): Arg I is now unsigned as is var PARTWORDS.
- (operand_subword_force): Arg I is now unsigned.
- * except.c (eh_regs): Variable I is now unsigned.
- * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
- * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
- length is unsigned HOST_WIDE_INT; likewise for internal variables.
- (store_split_bit_field, extract_fixed_bit_field): Likewise.
- (extract_split_bit_field, store_bit_field, extract_bit_field):
- Likewise.
- * expr.c (store_constructor_fields, store_constructor, store_field):
- Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
- (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
- (do_jump): Likewise.
- (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
- MAX_SIZE is now unsigned.
- (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
- (emit_group_store): Likewise.
- (emit_move_insn): I now unsigned.
- (store_constructor): Use host_integerp, tree_low_cst, and
- bitsize_unit_node.
- (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
- Rework all calculations to use trees and new fields.
- * expr.h (promoted_input_arg): Regno now unsigned.
- (store_bit_field, extract_bit_field): Adjust types of pos and size.
- (mark_seen_cases): Arg is HOST_WIDE_INT.
- * flow.c (verify_wide_reg_1): REGNO now unsigned.
- * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
- precisions and alignments are unsigned.
- (optimize_bit_field_compare, fold_truthop): Likewise.
- (int_const_binop): Adjust threshold for size_int_type_wide call.
- (fold_convert): Likewise.
- (size_int_type_wide): Make table larger and fix thinko that only
- had half of table used.
- (all_ones_mask_p, fold): Precisions are unsigned.
- * function.c (put_reg_info_stack): REGNO is unsigned.
- (instantiate_decl): Size is HOST_WIDE_INT.
- (instantiate_virtual_regs): I is unsigned.
- (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
- (promoted_input_arg): REGNO is unsigned.
- * function.h (struct function): x_max_parm_reg is now unsigned.
- * gcse.c (max_gcse_regno): Now unsigned.
- (struct null_pointer_info): min_reg and max_reg now unsigned.
- (lookup_set, next_set): REGNO arg now unsigned.
- (compute_hash_table): REGNO and I now unsigned.
- (handle_avail_expr): regnum_for_replacing now unsigned.
- (cprop_insn): REGNO now unsigned.
- (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
- * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
- * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
- * hard-reg-set.h (reg_class_size): Now unsigned.
- * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
- * jump.c (mark_modified_reg): I now unsigned; add cast.
- (rtx_equal_for_thread_p): Add cast.
- * loop.c (max_reg_before_loop): Now unsigned.
- (struct_movable): REGNO now unsigned.
- (try_copy_prop): REGNO arg unsigned.
- (regs_match_p): XN and YN now unsigned.
- (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
- (strength_reduce): Likewise; NREGS also unsigned.
- (first_increment_giv, last_increment_giv unsigned): Now unsigned.
- * loop.h (struct iv_class): REGNO now unsigned.
- (max_reg_before_loop, first_increment_giv, last_increment_giv):
- Now unsigned.
- * machmode.h (mode_size, mode_unit_size): Now unsigned.
- (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
- * optabs.c (expand_binop): I and NWORDS now unsigned.
- (expand_unop): I now unsigned.
- * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
- print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
- * real.c (significand_size): Now returns unsigned.
- * real.h (significand_size): Likewise.
- * regclass.c (reg_class_size): Now unsigned.
- (choose_hard_reg_mode): Both operands now unsigned.
- (record_reg_classes): REGNO and NR now unsigned.
- (reg_scan): NREGS now unsigned.
- (reg_scan_update): old_max_regno now unsigned.
- (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
- * reload.c (find_valid_class): BEST_SIZE now unsigned.
- (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
- (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
- Likewise for variable R.
- (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
- as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
- (find_equiv_reg): Add casts.
- (regno_clobbered_p): Arg REGNO now unsigned.
- * reload.h (struct reload): NREGS now unsigned.
- (refers_to_regno_for_reload_p): Regno args are unsigned.
- (regno_clobbered_p): Likewise.
- * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
- (compute_use_by_pseudos): REGNO now unsigned.
- (find_reg): I and J now unsigned, new variable K, and change loop
- variables accordingly; THIS_NREGS now unsigned.
- (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
- (spill_hard_reg): REGNO arg now unsigned; add casts.
- (forget_old_reloads_1): REGNO, NR, and I now unsigned.
- (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
- (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
- END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
- (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
- (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
- (emit_reload_insns): REGNO now unsigned.
- (reload_cse_move2add): Add cast.
- (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
- and rework loop.
- * resource.c (mark_referenced_resources, mark_set_resources): New
- variable R; REGNO and LAST_REGNO now unsigned.
- (mark_target_live_regs): J and REGNO now unsigned.
- * rtl.c (mode_size, mode_unit_size): Now unsigned.
- * rtl.h (union rtunion_def): New field rtuint.
- (XCUINT): New macro.
- (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
- (operand_subword, operand_subword_force): Word number is unsigned.
- (choose_hard_reg_mode): Operands are unsigned.
- (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
- (find_regno_note, find_regno_fusage, replace_regs): Likewise.
- (regno_use_in, combine_instructions, remove_death): Likewise.
- (reg_scan, reg_scan_update): Likewise.
- (extended_count): Return is unsigned.
- * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
- INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
- (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
- (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
- (reg_reg_last_1): FIRS and LAST now unsigned.
- (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
- (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
- now unsigned.
- (find_regno_note, regno_use_in): Arg REGNO now unsigned.
- (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
- (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
- (replace_regs): Arg NREGS now unsigned.
- * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
- * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
- (simplify_binary_operation): Likewise.
- (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
- THIS_LAST now unsigned.
- (cselib_record_set): Add cast.
- * ssa.c (ssa_max_reg_num): Now unsigned.
- (rename_block): REGNO now unsigned.
- * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
- sizes now unsigned.
- (all_cases_count): Just return -1 not -2.
- COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
- Rework tests to use trees whenever possible.
- Use host_integerp and tree_low_cst.
- (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
- Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
- (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
- * stor-layout.c (mode_for_size): SIZE arg now unsigned.
- (smallest_mode_for_size): Likewise.
- (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
- KNOWN_ALIGN is now an alignment, so simplify code.
- Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
- (start_record_layout): Renamed from new_record_layout_info.
- Update to new fields.
- (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
- New functions.
- (place_union_field): Renamed from layout_union_field.
- Update to use new fields in rli.
- (place_field): Renamed from layout_field.
- Major rewrite to use new fields in rli; pass alignment to layout_decl.
- (finalize_record_size): Rework to use new fields in rli and handle
- union.
- (compute_record_mode): Rework to simplify and to use new DECL fields.
- (finalize_type_size): Make rounding more consistent.
- (finish_union_layout): Deleted.
- (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
- (layout_type, case RECORD_TYPE): Call new function names.
- (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
- (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
- (get_best_mode): UNIT is now unsigned; remove casts.
- * tree.c (bit_position): Compute from new fields.
- (byte_position, int_byte_position): New functions.
- (print_type_hash_statistics): Cast to remove warning.
- (build_range_type): Use host_integerp and tree_low_cst to try to hash.
- (build_index_type): Likewise; make subtype of sizetype.
- (build_index_2_type): Pass sizetype to build_range_type.
- (build_common_tree_nodes): Use size_int and bitsize_int to
- initialize nodes; add bitsize_{zero,one,unit}_node.
- * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
- (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
- (DECL_PACKED, DECL_BIT_FIELD): Likewise.
- (DECL_FIELD_BITPOS): Deleted.
- (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
- (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
- (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
- (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
- (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
- (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
- (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
- (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
- (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
- (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
- (DECL_ALIGN): Adjust to new field in union.
- (DECL_OFFSET_ALIGN): New field.
- (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
- (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
- (union tree_decl): Add struct for both aligns.
- (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
- (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
- (struct record_layout_info): Rework fields to have offset
- alignment and byte and bit position.
- (start_record_layout, place_field): Renamed from old names.
- (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
- (byte_position, int_byte_position): Likewise.
- (get_inner_reference): Change types of position and length.
- * unroll.c (unroll_loop): New variable R; use for some loops.
- MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
- (calculate_giv_inc): Arg REGNO now unsigned.
- (copy_loop_body): REGNO and SRC_REGNO now unsigned.
- * varasm.c (assemble_variable): Clean up handling of size using
- host_integerp and tree_low_cst.
- (decode_addr_const): Use byte, not bit, position.
- (output_constructor): bitpos and offsets are HOST_WIDE_INT;
- use tree_low_cst and int_bit_position.
- * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
-
-Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
- (reorder_block_def): New members eff_head and eff_end.
- (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
- (verify_insn_chain): New function.
- (skip_insns_between_block): Add code to skip deleted insns.
- Check for note before using.
- (chain_reorder_blocks): Replace calls to skip_insns_between_block
- with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
- Check for note before using.
- (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
- (fixup_reorder_chain): Restructure, clean up, defect removal.
- (reorder_basic_blocks): Remove last_insn and references to it.
- Moved insn chain verification code into a new function (see above).
- Delete defective code that sets last insn.
- Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
- all blocks.
-
-2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
-
-2000-03-24 Richard Henderson <rth@cygnus.com>
-
- * tree.c (lang_safe_for_unsave): Remove.
- (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
- allowing for two levels of unsafeness. Remove lang hook.
- * tree.h: Update declarations.
- * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
- Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
- Always fail sibcalls when there are pending cleanups.
-
-2000-03-24 Geoff Keating <geoffk@cygnus.com>
-
- * flow.c (propagate_block): When we delete an ADDR_VEC,
- also delete the BARRIER following it if there is one.
-
-2000-03-24 Richard Henderson <rth@cygnus.com>
-
- * builtins.c (expand_builtin_bzero): Convert `length' argument
- to sizetype.
-
-2000-03-24 Jakub Jelinek <jakub@redhat.com>
-
- * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
- comparison if regno's are equal.
- * calls.c (initialize_argument_informat): Add ecf_flags argument.
- Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
- (expand_call): Update caller.
- Avoid making a sibling call if argument size of the callee is larger
- than argument size of the caller.
- Call hard_function_value with outgoing set if in sibcall pass.
- Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
-
- * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
- Change LEAF_REGISTERS from an array initializer to actual array
- identifier. Move static global variable into the function.
- (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
- sequences for leaf functions.
- * global.c (global_alloc): Likewise.
- * tm.texi (LEAF_REGISTERS): Update documentation.
-
- * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
- TARGET_FLAT leaf disabling hack.
- (LEAF_REGISTERS): Changed from an array initializer to actual array
- identifier to avoid duplication and remove the above hack.
- (FUNCTION_OK_FOR_SIBCALL): Define.
- * config/sparc/sparc.md (sibcall): New attr type. Use it almost
- always like call attribute.
- (eligible_for_sibcall_delay): New attribute.
- (sibcall): New delay type.
- (sibcall, sibcall_value, sibcall_epilogue): New expands.
- (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
- sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
- * config/sparc/sparc.c (sparc_leaf_regs): New array.
- (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
- New functions.
- (output_function_epilogue): Move part of the code into
- output_restore_regs.
- (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
- TYPE_SIBCALL.
- * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
- prototypes.
-
- * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
- until infrastructure is finished.
-
-Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
-
- * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
- (save_parm_insns): Not here.
-
-2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * builtins.c (expand_builtin_bzero): New function.
- (expand_builtin): Handle bzero.
-
- * builtins.def: Add BUILT_IN_BZERO.
-
- * c-common.c (c_common_nodes_and_builtins): Provide builtin
- prototype & function for bzero.
-
-2000-03-23 Michael Meissner <meissner@redhat.com>
-
- * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
- change adding TARGET_FP to the TF floating point insns, except for
- trunctfsf2, which generates direct calls to truncdfsf2.
-
-2000-03-23 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
- try to protect against middle-end changes that break binary
- compatibility.
- (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
-
-2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
-
-Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * calls.c (expand_call): If TARGET is passed by reference and
- is readonly, write a CLOBBER.
-
-2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * builtins.c (expand_builtin): Handle bcmp.
-
- * builtins.def: Add BUILT_IN_BCMP.
-
- * c-common.c (c_common_nodes_and_builtins): Provide builtin
- prototype & function for bcmp.
-
-Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
- (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
- * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
-
-Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
-
- * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
- alternative when using -fp64 -gp32.
-
-2000-03-22 Jason Merrill <jason@casey.cygnus.com>
-
- * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
- * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
- * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
-
- * frame.h (frame_state): Revert last change.
- * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
- * libgcc2.c (throw_helper): Revert last change.
-
-2000-03-22 Richard Henderson <rth@cygnus.com>
-
- * stmt.c (expand_asm_operands): Don't promote the temporary.
-
-2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
-
- * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
- * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
- c_get_alias_set): Likewise.
- * c-decl.c (duplicate_decls): Likewise.
- * c-typeck.c (default_conversion,build_unary_op): Likewise.
- * calls.c (initialize_argument_information): Likewise.
- * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
- Likewise.
- * dwarfout.c (decl_class_context,output_type): Likewise.
- * expr.c (get_inner_reference): Likewise.
- * fold-const.c (simple_operand_p,fold): Likewise.
- * function.c (aggregate_value_p): Likewise.
- * stmt.c (expand_asm_operands): Likewise.
- * varasm.c (named_section): Likewise.
-
-2000-03-22 Jason Merrill <jason@casey.cygnus.com>
-
- Implement dwarf2 exception handling for the ARM.
- * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
- (DWARF_FRAME_RETURN_COLUMN): Define.
- * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
- REG_FRAME_RELATED_EXPR note.
- (emit_sfm): Likewise.
- (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
- * dwarf2out.c (reg_save): Handle saving a register to itself.
- (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
- * except.c (eh_regs): Don't use the static chain reg if it's
- callee-saved.
- * frame.h (frame_state): Add cfa_saved field.
- * frame.c (execute_cfa_insn): Set it.
- * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
- the epilogue.
- * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
- Now takes a parm.
- (instantiate_virtual_regs): Adjust.
- * tm.texi: Adjust.
- * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
- * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
- * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
-
- * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
- (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
-
-2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * builtins.def: New file.
-
- * Makefile.in (TREE_H): Depend on builtins.def.
-
- * builtins.c (built_in_names): Use builtins.def.
-
- * tree.h (built_in_function): Likewise.
-
-2000-03-22 Mark Mitchell <mark@codesourcery.com>
-
- * tree.c (size_in_bytes): Return size_zero_node, not
- integer_zero_node.
-
-2000-03-22 Geoff Keating <geoffk@cygnus.com>
-
- * config/fp-bit.c (pack_d): Correct the case when a denormal
- is rounded up and stops being denormal.
-
-2000-03-21 Richard Henderson <rth@cygnus.com>
-
- * config/alpha/alpha.c (function_arg): Check for void_type_node
- before using MUST_PASS_IN_STACK.
-
-2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
-
- * regmove.c (combine_stack_adjustments_for_block): Check that
- the stack pointer is a valid memory address.
-
-Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c: re-install Mar 16 emit_library_call merge.
-
-2000-03-21 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
- we cannot be sure that if reload_completed base register will
- be properly aligned.
-
-2000-03-21 Richard Henderson <rth@cygnus.com>
-
- * flow.c (delete_block): Fix typo last change.
-
-2000-03-21 Mark Mitchell <mark@codesourcery.com>
-
- * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
- not COMPLETE_TYPE_P, to check the type of the expression.
-
-2000-03-21 Michael Meissner <meissner@redhat.com>
-
- * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
- all floating point insns that just tested the macro
- TARGET_HAS_XFLOATING_LIBS.
- (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
- used to only use the gprs.
-
-2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
-
- * tree.h (COMPLETE_TYPE_P): New macro.
- (COMPLETE_OR_VOID_TYPE_P): New macro.
- (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
- * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
- * c-aux-info.c (gen_type): Use them.
- * c-common.c (c_expand_expr_stmt): Likewise.
- * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
- grokdeclarator, grokparms, finish_struct, start_function,
- store_parm_decls, combine_parm_decls): Likewise.
- * c-parse.y (cast_expr): Likewise.
- * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
- c_size_in_bytes, c_alignof, build_component_ref,
- build_indirect_ref, build_array_ref, convert_arguments,
- build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
- * calls.c (initialize_argument_information): Likewise.
- * convert.c (convert_to_integer): Likewise.
- * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
- * dwarfout.c (location_or_const_value_attribute,
- output_enumeration_type_die, output_structure_type_die,
- output_union_type_die, output_type): Likewise.
- * expr.c (safe_from_p, expand_expr): Likewise.
- * function.c (assign_parms): Likewise.
- * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
- * tree.c (build_array_type, build_function_type,
- build_method_type, build_offset_type, build_complex_type): Likewise.
- * c-parse.c, c-parse.h: Regenerated.
-
-2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/rtems.h: Include config/rtems.h.
-
-Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
-
- * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
- decl is a FUNCTION_DECL
-
-Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
- function uses output registers. Don't save RP for leaf functions.
- Do save RP even if no epilogue.
- * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
- (CALL_USED_REGISTERS): Unmark in registers.
- (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
- to near the middle.
-
-2000-03-20 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.md (bunordered): New expander.
- (bordered): New expander.
- (buneq): New expander.
- (bunge): New expander.
- (bungt): New expander.
- (bunle): New expander.
- (bunlt): New expander.
- (bltgt): New expander.
-
- * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
- (ccr_bit_negated_p): New function.
- (print_operand): For %C, generate appropriate cror for UNEQ,
- UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
-
-2000-03-20 Andreas Jaeger <aj@suse.de>
-
- * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
- warning.
-
- * tree.h (safe_for_unsave): Prototype.
-
-2000-03-20 Richard Henderson <rth@cygnus.com>
-
- * regmove.c (stack_memref_p): Fix typo, reorg for readability.
- (combine_stack_adjustments_for_block): Don't allow sp references
- in the side of a set we're not fixing up.
- * toplev.c (rest_of_compilation): Run combine_stack_adjustments
- after life_analysis.
-
-2000-03-20 Richard Henderson <rth@cygnus.com>
-
- * calls.c (expand_call): Don't bother generating tail call
- sequences if there are pending cleanups. Use
- expand_start_target_temps/expand_end_target_temps to elide
- cleanups created during sibcall expansion.
-
-2000-03-20 Geoff Keating <geoffk@cygnus.com>
-
- * configure.in: Set $IFS to a value if it doesn't already have one
- in the --enable-checking handling.
- * configure: Regenerate.
-
-2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
- * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
- Regenerated.
-
-Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * jump.c (delete_noop_moves): Remove code attempting to
- combine stack adjustments.
-
-2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
- * except.c (emit_cleanup_handler): Use them.
- (expand_end_all_catch): Likewise.
- * function.c (fixup_var_refs): Likewise.
- (expand_function_end): Clear catch_clauses_last.
- * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
- * except.h (struct eh_status): New field x_catch_clauses_last.
- (catch_clauses_last): New define.
-
- * Makefile.in (tree.o): Depend on HASHTAB_H.
- * tree.c: Include hashtab.h.
- (struct type_hash): Remove next field.
- (TYPE_HASH_SIZE): Remove.
- (TYPE_HASH_INITIAL_SIZE): New define.
- (type_hash_table): Change type to htab_t.
- (type_hash_eq, type_hash_hash, print_type_hash_statistics,
- mark_hash_entry): New functions.
- (init_obstacks): Allocate type hash.
- (type_hash_lookup): Use htab functions.
- (type_hash_add, mark_type_hash): Likewise.
- (dump_tree_statistics): Call print_type_hash_statistics.
-
-2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * rs6000/t-aix41: New file.
-
- * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
-
-Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * tm.texi (Driver): Fix typos and tweak entry for
- INCLUDE_DEFAULTS.
- Move misplaced STRUCT_FORCE_BLK entry ...
- (Storage Layout): ... to here.
- (Run-time Target): Recommend having TARGET_MASK_... helper macros.
-
-2000-03-19 Richard Henderson <rth@cygnus.com>
-
- * flow.c (delete_block): Delete the addr_vec along with the block.
- (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
- reference labels.
-
- * fold-const.c (extract_muldiv): Apply type check for defined
- overflow to multiply as well as divide.
-
- * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
-
-2000-03-18 Mark Mitchell <mark@codesourcery.com>
-
- * emit-rtl.c (remove_unncessary_notes): Check that all
- NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
- associated NOTE_BLOCK.
- * function.h (identify_blocks): Update comments.
- (reorder_blocks): Declare.
- * function.c (identify_blocks): Don't take paramters.
- (reorder_blocks): Don't take parameters.
- * loop.h (find_loop_tree_blocks): Remove.
- (unroll_block_trees): Likewise.
- * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
- reorder_blocks instead of unroll_block_trees.h
- * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
- * stmt.c (find_loop_tree_blocks): Remove.
- (unroll_block_trees): Likewise.
- * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
- in whole-function mode.
- * tree.h (reorder_blocks): Remove declaration.
-
- * expr.c: Include intl.h.
- * Makefile.in (expr.o): Depend on intl.h.
-
-2000-03-18 Richard Henderson <rth@cygnus.com>
-
- * expr.c (emit_move_insn_1): Clarify cannot_inline message.
-
-2000-03-18 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (tree_index): Remove enumerals for integer types.
- (integer_type_kind): New type.
- (integer_types): New variable.
- (char_type_node): Adjust.
- (signed_char_type_node): Likewise.
- (unsigned_char_type_node): Likewise.
- (short_integer_type_node): Likewise.
- (short_unsigned_type_node): Likewise.
- (integer_type_node): Likewise.
- (unsigned_type_node): Likewise.
- (long_integer_type_node): Likewise.
- (long_unsigned_type_node): Likewise.
- (long_long_integer_type_node): Likewise.
- (long_long_unsigned_type_node): Likewise.
- * tree.c (integer_types): New variable.
- (init_obstacks): Register it as a root.
-
-Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
-
- * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
- NEXT_INSN. Update last insn in chain.
-
-2000-03-17 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
- with TYPE_DECL_SUPPRESS_DEBUG set.
-
-2000-03-18 Richard Henderson <rth@cygnus.com>
-
- * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
-
-2000-03-18 Richard Henderson <rth@cygnus.com>
-
- * i386.c (call_insn_operand): Always allow SYMBOL_REF,
- care for HALF_PIC_P.
- (expander_call_insn_operand): Remove.
- (ix86_expand_epilogue): New arg `emit_return' to control return insn.
- * i386.h (PREDICATE_CODES): Update.
- * i386.md (all call expanders): Remove predicates, remove special
- handling for half-pic.
- (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
- (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
- (sibcall_epilogue): New.
-
-2000-03-17 Richard Henderson <rth@cygnus.com>
-
- * rtlanal.c (single_set): Reject if the parallel has anything
- except SET or USE or CLOBBER.
-
-2000-03-17 Jeff Law <law@cygnus.com>
- Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (OBJS): Add sibcall.o.
- (sibcall.o): New.
- * sibcall.c: New file.
- * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
- (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
- (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
- Emit sibcall patterns when requested. Update all callers.
- (expand_call): Generate CALL_PLACEHOLDER insns when tail call
- elimination seems feasable.
- * final.c (leaf_function_p): Sibling calls don't discount being
- a leaf function.
- * flow.c (HAVE_sibcall_epilogue): Provide default.
- (find_basic_blocks_1): Sibling calls don't throw.
- (make_edges): Make edge from sibling call to EXIT.
- (propagate_block): Don't remove sibcall_epilogue insns.
- * function.c (prologue, epilogue): Turn into varrays. Update all uses.
- (sibcall_epilogue): New.
- (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
- (identify_blocks_1): Likewise. Break out from ...
- (identify_blocks): ... here.
- (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
- (reorder_blocks): ... here.
- (init_function_for_compilation): Zap prologue/epilogue as varrays.
- (record_insns): Extend a varray instead of mallocing new memory.
- (contains): Read a varray not array of ints.
- (sibcall_epilogue_contains): New.
- (thread_prologue_and_epilogue_insns): Emit and record
- sibcall_epilogue patterns.
- (init_function_once): Allocate prologue/epilogue varrays.
- * genflags.c (gen_insn): Treat sibcall patterns as calls.
- * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
- Broken out from ...
- (save_for_inline_nocopy): ... here.
- (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
- Broken out from ...
- (expand_inline_function): ... here.
- (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
- (subst_constants): Handle 'n' formats.
- * jump.c (jump_optimize_minimal): New.
- (jump_optimize_1): New arg `minimal'; update callers. Elide most
- optimizations if it's set.
- * rtl.c (copy_rtx): Do copy jump & call for insns.
- * rtl.h (struct rtx_def): Document use of jump and call for insns.
- (SIBLING_CALL_P): New.
- (sibcall_use_t): New.
- * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
- Invoke optimize_sibling_and_tail_recursive_calls.
- * tree.c (lang_safe_for_unsave): New.
- (safe_for_unsave): New.
- * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
-
- * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
- * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
- (*sibcall_osf_1, *sibcall_value_osf_1): New.
-
-2000-03-17 Mark Mitchell <mark@codesourcery.com>
-
- * objc/objc-act.c (encode_method_prototype): Pass types, not
- PARM_DECLs, to int_size_in_bytes.
-
-Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
-
- * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
- config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
-
-Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Clean up usages of TREE_INT_CST_LOW.
- * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
- * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
- Regenerated.
- * c-tree.h (min_precision): Move declaration to here.
- * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
- (build_unary_op, add_pending_init): Use bit_position.
- (pending_init_member, process_init_element): Likewise.
- (really_start_incremental_init, push_init_level, pop_init_level):
- Don't make copies of nodes or modify them in place, use consistent
- types when tracking positions, and use tree routines computations.
- (set_init_index, output_init_element): Likewise.
- (output_pending_init_elements, process_init_element): Likewise.
- * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
- tree_low_cst and int_bit_position; also minor cleanup.
- (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
- (print_cst_octal): Precision is unsigned.
- (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
- * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
- (simple_type_align_in_bits): Result is unsigned int.
- Use tree_int_low_cst and host_integerp.
- (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
- (field_byte_offset): Result is HOST_WIDE_INT.
- Change types of internal variables so alignments are unsigned int,
- offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
- Use host_integerp, tree_low_cst, and int_bit_position.
- (add_bit_offset_attribute): Likewise.
- (add_data_member_location_attribute): Use tree_cst_low.
- (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
- (add_bit_size_attribute): Use tree_low_cst.
- (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
- * dwarfout.c: Similar changes to dwarf2out.c.
- * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
- * genoutput.c (n_occurences): Return -1 for null string.
- (strip_whitespace): Accept null string and make into function.
- (scan_operands): Reflect above changes.
- * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
- (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
- * ssa.c (rename_registers): Add missing cast of arg to bzero.
- * tree.c (int_size_in_bytes): Check for too big to represent.
- (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
- * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
- New declarations.
- (min_precision): Delete from here.
- * varasm.c (decode_addr_const): Use host_integerp, bit_position,
- and int_bit_position.
- * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
- (encode_method_def): Likewise.
- (build_ivar_list_initializer): Use int_bit_position.
- (generate_shared_structures): Convert size.
- (encode_type, encode_complete_bitfield): Use integer_zerop.
- (encode_bitfield): Use tree_low_cst and int_bit_position.
-
-2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (CPP_SPEC): Fix typo.
-
-2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * call.c (special_function_p): It is only malloc if it returns
- Pmode.
-
-2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
- (C33_FLAG, TARGET_C3X): Add macros.
- (TARGET_SWITCHES): Add -m33 option.
- * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
-
-2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
- (PARALLEL_PACK_FLAG): Delete.
- (TARGET_SWITCHES): Update.
- (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
-
-Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * fold-const.c (fold): Fix a few cases when the returned result
- is not of the same type as the input.
-
-2000-03-16 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
- warning.
-
-2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * libgcc2.h: Move prototypes above macros with the same name.
- Wrap some function prototypes in the conditional which indicates
- whether they are supported, i.e. "BITS_PER_UNIT == 8".
-
-2000-03-16 Richard Henderson <rth@cygnus.com>
-
- * calls.c: Revert last two changes.
-
-2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
- has exponent 0 is a zero.
-
- * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
- HASH may already be nonzero. Add code/mode into hash value
- immediately after repeat label.
- (cselib_lookup): Don't leave the hash table in an inconsistent
- state before a hash lookup operation.
-
-Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (all HI and QI mode non-move patterns): Conditionize
- by TARGET_[HQ]IMODE_MATH.
- * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
- x86_promote_qi_regs): Declare.
- (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
- TARGET_PROMOTE_QI_REGS): New macros.
- (PROMOTE_MODE): New macro.
- * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
- x86_promote_qi_regs): New global variables.
-
-Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (emit_library_call_value_1): Break out from ...; handle
- VOIDmode function calls too.
- (emit_library_call_value): ... here.
- (emit_library_call): Implement by calling emit_library_call_value_1.
-
-Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (expand_call): Do sanity checking on arg_space_so_far.
- Update arg_space_so_far on stack adjustments.
- (emit_library_call, emit_library_call_value): Likewise; take into
- account arg_space_so_far and pending_stack_adjust when calculcating
- the boundary.
-
-Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
-
- * flow.c: Move all basic block reordering code into its own file.
- (create_basic_block): Externalize.
- * bb-reorder.c: New file. Copy all basic block reordering code from
- flow.c to this file.
- (reorder_basic_blocks): Fix fencepost error in for-loop.
- (reorder_basic_blocks): Remove braces from single statement for-loops.
- * basic-block.h: Add declaration for create_basic_block.
- * Makefile.in: Add rules for bb-reorder.o.
-
-2000-03-16 Neil Booth <NeilB@earthling.net>
-
- * cppinit.c (handle_option): Implement #unassert directive
- as -A- command line option.
- (print_help): Update.
- * cpptexi.c: Update.
-
-Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * md.texi (Standard Names): Document `jump'.
-
-2000-03-15 Jason Merrill <jason@casey.cygnus.com>
-
- * calls.c (emit_call_1): Nothrow functions can still have nonlocal
- gotos.
-
-2000-03-15 Geoff Keating <geoffk@cygnus.com>
-
- Merge changes from newppc-branch onto trunk.
-
- 2000-03-15 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (toc_hash_table): Update for new hash table functions.
- (toc_hash_function): Likewise.
- (toc_hash_eq): Likewise.
- (toc_hash_mark_entry): Likewise.
- (toc_hash_mark_table): Likewise.
- (output_toc): Likewise.
- (rs6000_add_gc_roots): Likewise.
-
- 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
- (AR_FLAGS_FOR_TARGET): here. New macro.
-
- 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
- fpmem_operand) Delete.
- (xer_operand) New.
- (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
- (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
- (rs6000_save_machine_status, rs6000_restore_machine_status,
- rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
- references to above variables.
- (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
- * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
- DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
- (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
- (XER_REGNO_P, XER_REGNO): New.
- (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
- (PREDICATE_CODES): Change fpmem_operand to xer_operand.
- (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
- XER_REGNO_P.
- (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
- REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
- (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
-
- 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
- TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
- * rs6000.h: from here.
-
- * rs6000-protos.h (rs6000_select_section): Provide prototype.
- (rs6000_select_rtx_section): Likewise.
- (rs6000_encode_section_info): Likewise.
- (sdata_section): Likewise.
- (sdata2_section): Likewise.
- (sbss_section): Likewise.
- * sysv4.h (rs6000_select_section): Delete prototype.
- (rs6000_select_rtx_section): Likewise.
- (rs6000_encode_section_info): Likewise.
- (sdata_section): Likewise.
- (sdata2_section): Likewise.
- (sbss_section): Likewise.
- (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
-
- * sysv4.h: Delete various unnecessary #undef's and put a comment
- on the remaining ones.
- Change various comments according to coding standard.
-
- 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
- CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
- (CR0_REGNO_P) Remove.
- * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
- setup_incoming_varargs, mtcrf_operation, print_operand,
- rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
- Use the above macros.
-
- 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/rs6000/rs6000.md: Added a new alternative for each
- pattern that had a 'x' alternative but no 'y' alternative.
- Added a new split for each of the above patterns.
-
- 2000-02-18 Geoff Keating <geoffk@cygnus.com>
-
- * aix41.h (ASM_CPU_SPEC): Delete.
- (CPP_CPU_SPEC): Delete.
-
- * aix.h (RS6000_OUTPUT_BASENAME): Define.
- (ASM_OUTPUT_LABEL): Define.
- (ASM_GLOBALIZE_LABEL): Define.
- (STRIP_NAME_ENCODING): Define.
- * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
- (STRIP_NAME_ENCODING): Don't define.
- (ASM_OUTPUT_LABEL): Don't define.
- (ASM_GLOBALIZE_LABEL): Don't define.
- * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
- names, and ASM_OUTPUT_LABEL to output labels, rather than
- asm_fprintf.
- (ASM_OUTPUT_LABEL): Define.
- (ASM_OUTPUT_INT): Use assemble_name.
- (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
- (STRIP_NAME_ENCODING): Don't undefine first.
- (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
- ELF.
- (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
- specified with 'asm' even with -fleading-underscore.
- * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
- (output_epilog): Likewise.
- (output_toc): Likewise.
- * tramp.asm: Handle -fleading-underscore correctly.
-
- * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
- -mminimal-toc.
- (nonlocal_goto_receiver): Delete.
- * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
-
- * rs6000.h (ASM_OUTPUT_DEF): Don't define.
- (SET_ASM_OP): Define.
- * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
-
- * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
- (ASM_LONG): Define.
-
- * rs6000.c (rs6000_dll_import_ref): Delete, not used.
- * rs6000-protos.h (rs6000_dll_import_ref): Delete.
-
- * rs6000.h: Add 'u' to more constants.
-
- 2000-02-18 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.md (mfcr+shift): Delete PowerPC64 version.
-
- 2000-02-15 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.c (reg_or_u_cint_operand): New function.
- (logical_operand): Handle 64-bit hosts.
- (logical_u_operand): New function.
- (non_logical_cint_operand): Handle 64-bit hosts.
- (non_logical_u_cint_operand): New function.
- * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
- (PREDICATE_CODES): Define new functions.
- * rs6000-protos.h: Declare new functions.
- * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
- (movdi_64): Bracket code intended for 64-bit hosts. Create
- CONST_DOUBLE for 32-bit values.
- (scc insns): Generate DImode compares.
- (mfcr insns): Create DImode versions.
- (sge matchers): New patterns.
-
- 2000-02-15 Gabriel Paubert <paubert@iram.es>
-
- * rs6000.md: Correct instructions length attributes and
- constraints on unsigned compare instructions.
- (*ne0): Disable for PowerPC64.
-
- 2000-02-11 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (output_function_profiler): Use .long for a 32-bit
- quantity, fix profile1.C test failure under -fPIC.
-
- * rs6000.c: Add 'u' to many constants to suppress warnings.
- (constant_pool_expr_1): Make static.
- (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
- * rs6000.h: Add 'u' to many constants to suppress warnings.
-
- * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
- for the start of the TOC, instead of LCTOC..0.
- * aix.h (toc_section): Use LCTOC..1 under AIX for the start
- of the TOC.
- * rs6000.md (load_toc_aix_si): Use LCTOC..1.
- (load_toc_aix_di): Use LCTOC..1.
-
- * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
- * rs6000.c (rs6000_legitimize_address): New function from
- LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
- symbols in the constant pool that really are TOC references.
- (print_operand_address): For ELF, write TOC offsets under
- -fPIC as subtractions in the insn.
- (output_toc): For ELF, define symbols in TOC as normal labels,
- to match RTL.
- (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
- * rs6000-protos.h (rs6000_legitimize_address): Prototype.
- (create_TOC_reference): Prototype only when RTX_CODE is defined.
- * rs6000.md (movsi): Only use create_TOC_reference on
- symbols in the constant pool that really are TOC references.
-
- * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
- * rs6000.c (rs6000_reorg): Delete.
- * rs6000-protos.h (rs6000_reorg): Delete.
-
- 2000-02-09 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
-
- * aix.h (SETUP_FRAME_ADDRESSES): Define.
- * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
- [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
- [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
- * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
- rs6000_aix_emit_builtin_unwind_init.
- * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
- rs6000_emit_eh_toc_restore on AIX.
- (return_eh_si): Use r2.
- (return_eh_di): Use r2.
-
- * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
- since we're breaking binary compatibility anyway.
-
- 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
- constant_pool_expr_p): Declare them.
- (constant_pool_expr_p): Declare it.
- * config/rs6000/rs6000.c (toc_label_name): Define.
- (rs6000_override_options): Set toc_label_name.
- (input_operand): Allow any TOC_RELATIVE_EXPR_P.
- (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
- uses_TOC): New functions.
- (print_operand): Delete old '*' case.
- (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
- and strip off rtl for TOC before calling output_addr_const.
- (rs6000_emit_load_toc_table): Use toc_label_name.
- * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
- the default.
- (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
- (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
- (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
- (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
- into explicit TOC_REGISTER offsets.
- (TOC_REGISTER): New macro.
- * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
- TARGET_TOC to reference TOC_REGISTER.
- (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
- * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
- uses_TOC before emitting label references.
-
- 2000-02-05 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (stack_tie): Fix warning.
-
- * eabi-ctors.c: Use 'asm' names for the start/end variables,
- to handle -fleading-underscore.
- * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
- (USER_LABEL_PREFIX): New macro.
- (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
- (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
- * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
- call-linux can use the same multilibs.
- * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
- and call-linux multilibs. Do multilib with -fleading-underscore.
- (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
- (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
- to call-aix.
-
- * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
- have MASK_SOFT_FLOAT set.
- (CPP_FLOAT_DEFAULT_SPEC): New macro.
- (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
- CPP_FLOAT_DEFAULT_SPEC.
-
- * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
- * rs6000.md: Whitespace change.
- * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
- * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
-
- 2000-02-05 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (eh_epilogue): New expander.
- (eh_reg_restore): New expand/split/insn combination.
- (return_eh_si): New insn.
- (return_eh_di): New insn.
-
- * eabi-ci.asm: Put a label at the start of the .eh_frame section.
- * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
- * eabi-ctors.c (__do_global_ctors): Register this object's
- frame. Clean up. Call atexit() after the constructors.
- (__do_global_dtors): Deregister this object's frame. Clean up.
- Allow for recursive calls to exit().
- * rs6000.c (fixuplabelno): New variable.
- * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
- TARGET_RELOCATABLE, it slows down exec() under linux.
- (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
-
- * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
- (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
- (ASM_OUTPUT_DWARF_DELTA2): New macro.
- (ASM_OUTPUT_DWARF_DELTA4): New macro.
- (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
- (ASM_OUTPUT_DWARF_ADDR): New macro.
- (ASM_OUTPUT_DWARF_DATA4): New macro.
- (ASM_OUTPUT_DWARF_DATA2): New macro.
- (ASM_OUTPUT_DWARF_OFFSET4): New macro.
- (ASM_OUTPUT_DWARF_OFFSET): New macro.
- (UNALIGNED_INT_ASM_OP): New macro, fake definition.
-
- 2000-02-03 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (rs6000_sr_alias_set): New variable.
- (rs6000_override_options): Initialise rs6000_sr_alias_set.
- (rs6000_emit_stack_tie): New function.
- (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
- in a way that dwarf2out can understand.
- (rs6000_frame_related): New function.
- (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
- RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
- Use rs6000_emit_stack_tie when needed.
- (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
- RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
- * rs6000.md (stack_tie): New insn.
- (return_internal_si): Allow return value to be in the count
- register.
- (return_internal_di): Likewise.
-
- * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
-
- 2000-02-03 Geoff Keating <geoffk@cygnus.com>
-
- * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
-
- 2000-01-31 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
-
- * rs6000.md (stmw): Use the right POWER opcode.
- (lmw): Likewise.
-
- 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * rs6000-protos.h: New file.
-
- * rs6000.c: Include tm_p.h. Fix compile time warnings.
-
- * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
- warnings.
-
- * sysv4.h: Likewise.
-
- 2000-01-28 Geoff Keating <geoffk@cygnus.com>
-
- * ../../configure.in: Delete powerpcle-*-winnt*
- and powerpcle-*-pe|powerpcle-*-cygwin*.
- * ../../configure: Regenerated.
- * cygwin.h: Delete.
- * rs6000.h (OBJECT_WINDOWS_NT): Delete.
- (TARGET_WINDOWS_NT): Delete.
- (ABI_NT): Delete.
- (CALL_NT_DLLIMPORT): Delete.
- Delete NT-specific code.
- * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
- * win-nt.h: Delete.
- * t-winnt: Delete.
- * nt-ci.asm: Delete.
- * nt-cn.asm: Delete.
- * ntstack.asm: Delete.
-
- 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
- (ASM_FILE_START): Likewise.
- (ASM_DECLARE_FUNCTION_NAME): Likewise.
- (ASM_OUTPUT_LABELREF): Likewise.
- (ASM_OUTPUT_SKIP): Likewise.
- (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
- (ASM_GENERATE_INTERNAL_LABEL): Likewise.
- (ASM_OUTPUT_CASE_LABEL): Likewise.
- (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
- (ASM_OUTPUT_ASCII): Likewise.
-
- 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
-
- * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
- reload_toc_labelno for non-prologue TOC reloads. Also, don't
- increment rs6000_pic_labelno here.
- (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
- and increment rs6000_pic_labelno here.
-
- 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
-
- * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
- rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
- allocation knows (reg) is dead before the insn.
-
- 2000-01-21 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (movsi_to_cr): Correct typo in output template.
-
- 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
-
- * rs6000.c (rs6000_pic_labelno): Always define.
- (rs6000_pic_func_labelno): Delete.
- (lmw_operation): Check for a zero base register,
- which doesn't mean what we want.
- (stmw_operation): New function.
- (print_operand): Define new 'l' modifier.
- (rs6000_stack_info): We must save all 64 bits of the registers
- if TARGET_POWERPC64.
- (rs6000_output_load_toc_table): Delete.
- (rs6000_emit_load_toc_table): New function.
- (rs6000_allocate_stack_space): Delete.
- (rs6000_emit_allocate_stack): New function.
- (rs6000_emit_prologue): New function.
- (output_prolog): Use rs6000_emit_prologue.
- (rs6000_emit_epilogue): Change a few variable names to be
- more accurate. Restore all 64 bits of the registers if
- TARGET_POWERPC64. Only restore the FP registers which were used
- if they are being saved/restored one-at-a-time.
- (output_mi_thunk): Delete inefficient code generation.
- (output_function_profiler): Don't use rs6000_output_load_toc_table.
- * rs6000.h: Declare rs6000_emit_load_toc_table,
- rs6000_allocate_stack_space, stmw_operation. Don't declare
- rs6000_output_load_toc_table.
- * rs6000.md (elf_high): Allow register 0, but discourage it
- heavily.
- (elf_low): Support loading into register 0.
- (load_toc_aix_si): New pattern.
- (load_toc_aix_di): New pattern.
- (load_toc_v4_pic_si): New pattern.
- (load_toc_v4_pic_di): New pattern.
- (load_toc_v4_PIC_1): New pattern.
- (load_toc_v4_PIC_1b): New pattern.
- (load_toc_v4_PIC_2): New pattern.
- (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
- (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
- (prologue): New expander.
- (movesi_from_cr): New pattern.
- (stmw): New pattern.
- (save_fpregs_si): New pattern.
- (save_fpregs_di): New pattern.
-
- 2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
- (movdi): Likewise.
- (movhi): Likewise.
- (movqi): Likewise.
-
- 2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
- at present.
- (movsi_got_internal): Likewise.
- (movsi_got_internal+1): Likewise.
- (set_sp): 'unspec 7' does a SImode clobber.
-
- 2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md (floatsidf2): Don't use the fpmem "register", just
- allocate a stack temporary.
- (floatsidf2_internal): Likewise.
- (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
- with unspec.
- (floatunssidf2): Don't use the fpmem "register", just
- allocate a stack temporary.
- (floatunssidf2_internal): Likewise.
- (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
- with unspec.
- (floatsidf2_loadaddr): Delete.
- (floatsidf2_store1): Delete.
- (floatsidf2_store2): Delete.
- (floatsidf2_load): Delete.
- (fix_truncdfsi2): Don't use the fpmem "register", just
- allocate a stack temporary.
- (fix_truncdfsi2_internal_si): Delete.
- (fix_truncdfsi2_internal_di): Delete.
- (fix_truncdfsi2_internal): New insn.
- (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
- (fix_truncdfsi2_store): Delete.
- (fix_truncdfsi2_load): Delete.
- (fctiwz): Produce gen_fctiwz.
-
- 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
-
- * eabi.h (INVOKE__main): Define.
- * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
- specially.
- (rs6000_emit_prologue): Likewise.
- * rs6000.h (struct rs6000_stack): Don't keep track of whether
- this is the main program.
-
- 2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (rs6000_va_arg): Delete some unused variables.
-
- 2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
- goes after the argument.
-
- 2000-01-12 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.md: Document 'unspec' values used.
- (epilogue): New expander.
- (movesi_to_cr_one): New expander.
- (movesi_to_cr and following): New pattern.
- (lmw): New pattern.
- (return_internal_si): New pattern.
- (return_internal_di): New pattern.
- (return_and_restore_fpregs_si): New pattern.
- (return_and_restore_fpregs_di): New pattern.
- * rs6000.h: Declare new functions.
- * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
- rather than rs6000_calls_p.
- (rs6000_makes_calls): Delete.
- (lmw_operation): New function.
- (mtcrf_operation): New function.
- (rs6000_emit_epilogue): New function.
- (output_epilog): Call rs6000_emit_epilogue and final if
- !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
-
- 2000-01-12 Geoff Keating <geoffk@cygnus.com>
-
- * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
- * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
- * aix.h (SUBTARGET_SWITCHES): Document switches.
- * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
- sched-prolog and sched-epilog the same. Document all the
- switches.
- (TARGET_OPTIONS): No longer allow -mdebug-.
-
- 2000-01-12 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.h (ASM_FILE_END): Move to aix.h.
- (EXTRA_SECTIONS): Move to aix.h.
- (READONLY_DATA_SECTION): Move to aix.h.
- (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
- (SELECT_SECTION): Move to aix.h.
- (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
- (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
- (LINK_REGISTER_REGNUM): New definition.
- (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
- (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
- AIX and SVR4.
- * sysv4.h: Delete the code between the inclusion of rs6000.h
- and svr4.h.
- (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
- (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
- (RS6000_REG_SAVE): Move generic definition to rs6000.h.
- (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
- * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
- (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
- (fix_truncdfsi2_internal_di): New pattern.
- (fix_truncdfsi2_store): The second arg here is Pmode too.
- (fix_truncdfsi2_load): The second arg here is Pmode too.
- (tablejumpdi): Now that switch tables hold only SImode values,
- gcc needs to know how to add them to the pc which is DImode.
- * rs6000.c (rs6000_stack_info): Use symbolic name for
- LINK_REGISTER_REGNUM.
- (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
- (output_toc): Delete unused variables s1 and s2.
- (output_ascii): Use fputs not fprintf on a variable string.
-
- 2000-01-07 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.c (processor_target_table): Add power3 as alias for 630.
- * aix43.h: Revert Aug 2 change.
- (HAS_INIT_SECTION): Define, not visible yet.
- (LD_INIT_SWITCH): Define, not visible yet.
- * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
-
- 2000-01-04 Joel Sherrill (joel@OARcorp.com>
-
- * config/rs6000/rtems.h: Include config/rtems.h.
-
- 2000-01-04 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.h (HANDLE_PRAGMA_PACK): Define.
- (SLOW_UNALIGNED_ACCESS): Define.
- (CASE_VECTOR_MODE): Always use 32-bit offsets.
- (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
- (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
- (toc_section): Likewise and .toc pseudo-op.
- (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
- 64-bit mode.
- (TEXT_SECTION_ASM_OP): Likewise.
- (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
- 32-bit offsets.
-
- 1999-12-17 Jakub Jelinek <jakub@redhat.com>
-
- * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
- UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
- compiling libgcc2.
-
- 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * rs6000.h: Move more stuff from here...
- * aix.h: to here.
- * sysv4.h: Cleanup accordingly.
- * netware.h: Likewise
-
- 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * rs6000.h: Continue cleanup.
- * aix.h: Likewise.
- * lynx.h: Likewise.
- * netware.h: Likewise.
- * sol2.h: Likewise.
- * sysv4.h: Likewise.
- * win-nt.h: Likewise.
-
- * rs6000.h (TARGET_SWITCHES): Add descriptions.
- (TARGET_OPTIONS): Likewise.
-
- * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
- (SUBTARGET_OPTIONS): Likewise.
-
- * rs6000.md: Fix compile time warnings.
-
- 2000-01-04 Geoff Keating <geoffk@cygnus.com>
-
- vxworks patches from the Cygnus tree originally by
- Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
- <vmakarov@cygnus.com>.
- * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
- (ENDFILE_SPEC): Likewise.
- (LIB_VXWORKS_SPEC): New macro.
- (STARTFILE_VXWORKS_SPEC): New macro.
- (ENDFILE_VXWORKS_SPEC): New macro.
- (LINK_START_VXWORKS_SPEC): New macro.
- (LINK_OS_VXWORKS_SPEC): New macro.
- (CPP_OS_VXWORKS_SPEC): New macro.
- (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
- * vxppc.h: Rewrite to use proper configuration method.
- * vxppcle.h: New file.
- * ../../configure.in: Add powerpcle-wrs-vxworks*.
- * ../../configure: Rebuilt.
-
- 2000-01-04 Geoff Keating <geoffk@cygnus.com>
-
- Lots of changes to rs6000.h, sysv4.h, aix.h,
- aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
- with the aim that rs6000.h is the first header
- included and the others override it.
- * aix.h: New file.
-
- * x-aix41-gld: Remove.
- * x-aix43: Remove.
- * x-aix41: Remove target-specific switches, and don't specify
- -Wl,-bbigtoc as we don't need it any more.
- * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
- Use t-aix43 for AIX 4.3 and above.
- * ../../configure: Regenerated.
-
- * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
- options, that don't do anything yet.
- (MASK_SCHED_PROLOG): New macro.
- (MASK_SCHED_EPILOG): New macro.
- (TARGET_SCHED_PROLOG): New macro.
- (TARGET_SCHED_EPILOG): New macro.
-
- 2000-01-04 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c: Correct comment, the `minimal' TOCs are actually
- one per translation unit, not one per function.
- (output_toc): Also do duplicate constant elimination
- for per-translation-unit TOCs.
-
- * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
- a comment explaining _exactly_ when this pattern gets used.
- (builtin_setjmp_receiver): New pattern for better clarity.
- (init_v4_pic): Move it into a section dealing with TOC registers.
-
- 1999-12-30 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (toc_hash_table): New variable.
- (rs6000_hash_constant): New function.
- (toc_hash_function): New function.
- (toc_hash_eq): New function.
- (toc_hash_mark_entry): New function.
- (toc_hash_mark_table): New function.
- (output_toc): Don't output duplicate TOC entries in
- a single file.
- (rs6000_add_gc_roots): Add the hash table as a GC root.
- * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
- where they clearly shouldn't be. This may need to be fixed
- later when there is a GNU ar for AIX.
- * x-aix43: Don't define CLIB or AR_FOR_TARGET.
- Don't define BOOT_LDFLAGS as it is now not necessary.
-
- 1999-12-29 Geoff Keating <geoffk@cygnus.com>
-
- * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
- for va_list on AIX. Use unsigned_char_type_node rather than
- constructing our own version on svr4.
-
- 1999-12-17 Geoff Keating <geoffk@cygnus.com>
-
- * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
- since patently it's not.
-
- 1999-12-08 Geoff Keating <geoffk@cygnus.com>
-
- * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
- define_expand/define_insn pair, and handle restore of the
- SVR4 -fpic register.
-
-Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
-
- * acconfig.h (HAVE_GAS_WEAK): New define.
- * configure.in (assembler weak support): Check for .weak support.
- * config.in, configure: Rebuilt.
- * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
- HAVE_GAS_WEAK is defined.
-
-2000-03-15 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
- asm_fprintf().
-
-2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (open_include_file): New function.
- (find_include_file, cpp_read_file): Use it.
-
-2000-03-15 Jason Merrill <jason@casey.cygnus.com>
-
- * cpphash.c (dump_hash_helper): Take the slot, not the element.
-
-Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
-
- * flow.c (verify_flow_info): Check for unconditional return.
-
-Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.md (restore_stack_nonlocal): New.
- * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
- (__ia64_restore_stack_nonlocal): New.
- * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
-
-2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * cpphash.c (collect_formal_parameters): Do not complain about
- parameter names that just start with `__VA_ARGS__'.
-
-Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
- movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
- * i386.c (pentiumpro_cost): Set mul cost to 4.
- (x86_use_movx): Set for PPro.
-
-Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (ix86_compute_frame_size): stack_alignment_needed is
- STACK_BOUNDARY for empty frames now.
-
-2000-03-14 Mark Mitchell <mark@codesourcery.com>
-
- * stor-layout.c (layout_union): Remove.
- (layout_union_field): New function, split out from layout_union.
- (finish_union_layout): Likewise.
- (layout_field): Handle unions by calling layout_union_field.
- (finish_record_layout): Handle unions.
- (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
- QUAL_UNION_TYPE handling.
-
-Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
-
- * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
- end of basic block is jump_insn, not barrier; use create_basic_block
- instead of creating basic block by hand.
-
-2000-03-14 Jason Eckhardt <jle@cygnus.com>
-
- * flow.c (reorder_basic_blocks): Account for barriers when writing
- over NEXT_INSN (last_bb->end).
- (verify_flow_info): Add check for missing barriers.
-
-2000-03-14 Greg McGary <gkm@gnu.org>
-
- * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
- * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
- * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
- __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
- __unbounded, __unbounded__): New keywords.
- * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
- * c-parse.y, c-parse.c, c-parse.h: Regenerate.
- * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
-
-2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * cselib.h: New file.
- * alias.c: Include "cselib.h".
- (fixed_scalar_and_varying_struct_p): Accept the addresses of the
- MEMs as two new arguments.
- (get_addr): New static function.
- (find_base_term): Handle VALUEs.
- (memrefs_conflict_p): Likewise.
- (true_dependence): Call get_addr on the addresses.
- Call fixed_scalar_and_varying_struct_p with addresses that have been
- passed through get_addr and canon_rtx.
- (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
- with true_dependence.
- Call get_addr on the addresses; don't call canon_rtx on the MEMs.
- * loop.c: Include "cselib.h".
- (load_mems): Process extended basic block that enters the loop with
- cselib. Use that information to change initialization of the shadow
- register so that a constant equivalence is seen by later passes.
- * reload1.c: Include "cselib.h".
- (reload_cse_invalidate_regno): Delete function.
- (reload_cse_mem_conflict_p): Likewise.
- (reload_cse_invalidate_mem): Likewise.
- (reload_cse_invalidate_rtx): Likewise.
- (reload_cse_regno_equal_p): Likewise.
- (reload_cse_check_clobber): Likewise.
- (reload_cse_record_set): Likewise.
- (reg_values): Delete static variable.
- (invalidate_regno_rtx): Likewise.
- (reload_cse_delete_noop_set): New static function.
- (reload_cse_simplify): New static function, broken out of
- reload_cse_regs_1.
- (reload_cse_noop_set_p): Delete unused argument INSN.
- Just call rtx_equal_for_cselib_p on set source and destination.
- (reload_cse_regs_1): Break out some code into reload_cse_simplify and
- reload_cse_delete_noop_set. Delete code to keep track of values; use
- cselib functions instead. Delete code to push/pop obstacks.
- (reload_cse_simplify_set): Use cselib to find equivalent values.
- Delete code to push/pop obstacks.
- (reload_cse_simplify_operands): Likewise.
- * rtl.def (VALUE): New rtx code.
- * rtl.h (union rtunion_def): New elt rt_cselib.
- (X0CSELIB, CSELIB_VAL_PTR): New macros.
- * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
- (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
- unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
- discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
- hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
- cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
- cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
- cselib_record_set, cselib_record_sets): New static functions.
- (cselib_lookup, cselib_update_varray_sizes, cselib_init,
- cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
- references_value_p): New functions.
- (MAX_USELESS_VALUES, REG_VALUES): New macros.
- (table, cselib_current_insn, next_unknown_value, cselib_nregs,
- n_useless_values, reg_values, callmem, cselib_obstack,
- cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
- New static variables.
- * varray.h (union varray_data_tag): New elt te.
- (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
- * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
- dependencies.
-
-2000-03-14 Nick Clifton <nickc@cygnus.com>
-
- * gcc.c (do_spec_1): Catch the case where %* is used in a
- substitution pattern, but it has not been initialised.
- Issue a meaningful error message if an unrecognised operator
- is encountered in a spec string.
-
-2000-03-14 Richard Earnshaw <rearnsha@arm.com>
-
- * function.c (prepare_function_start): Correctly initialize
- cfun->stack_alignment_needed.
-
-2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (find_include_file): Don't assume nshort is a
- substring of name.
-
-Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
-
- * configure.in (hppa configurations): Add pa32-regs.h to the
- list of tm files as appropriate.
- * configure: Rebuilt.
- * pa.c (compute_frame_size): Remove explicit knowledge about FP
- register numbering.
- (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
- (fmpyaddoperands, fmpysuboperands): Likewise.
- * pa.h: Remove various definitions which depend on knowing
- how registers are numbered.
- * pa32-regs.h: New file with PA32 register numbering specific
- definitions.
-
-2000-03-14 Richard Henderson <rth@cygnus.com>
-
- * regmove.c (combine_stack_adjustments): New.
- (stack_memref_p, single_set_for_csa): New.
- (free_csa_memlist, record_one_stack_memref): New.
- (try_apply_stack_adjustment): New.
- (combine_stack_adjustments_for_block): New.
- * rtl.h (combine_stack_adjustments): Declare.
- * toplev.c (rest_of_compilation): Call it.
-
- * i386.md: Revert 2000-01-16 change.
-
-2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * gccbug.in: Add web category, gcc specific classes.
-
-2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
-
- * stor-layout.c (finalize_record_size): Fix typo.
-
-2000-03-14 Stan Shebs <shebs@apple.com>
-
- * c-typeck.c (c_alignof): Error on incomplete types.
- * extend.texi (Alignment): Document this.
-
-2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c: Include mkdeps.h.
- (find_include_file, read_include_file): Remove _cpp_ prefix
- from name, make static.
- (_cpp_execute_include): New function, broken out of
- do_include.
-
- * cpplib.c: Don't include mkdeps.h.
- (struct directive): Remove type field. Reorder entries. The
- function takes only one argument.
- (struct if_stack): Make type field an int.
- (directive_table): Rename to dtable. Generate it, the
- prototypes of the directive handlers, and the enum for the
- directive numbers, from a template macro.
- (do_ifndef, do_include_next, do_import): New functions.
- (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
- do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
- do_ident, do_assert, do_unassert, do_sccs): Take only one
- argument.
- (do_sccs): Define always, but alter behavior based on
- SCCS_DIRECTIVE.
- (_cpp_handle_directive, consider_directive_while_skipping):
- Restructure for new directive table layout.
-
- (pass_thru_directive): Take a directive number, not a pointer
- to a struct directive.
- (parse_include): New function, broken out of do_include.
- (do_include, do_import, do_include_next): Use parse_include
- and _cpp_execute_include.
- (do_elif, do_else): Test for T_ELSE specifically when checking
- for #elif/#else after #else.
- (parse_ifdef): New function, broken out of do_ifdef.
- (validate_else): Expect a name arg without a leading #.
- (if_directive_name): Delete.
- (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
- directive handlers with only one argument.
-
- * cpphash.h: Update prototypes.
- (enum node_type): Remove entries for directives.
- * Makefile.in: Update dependencies.
-
- * cpphash.c (dump_hash_helper): Only dump nodes of type
- T_MACRO. Emit a newline after each definition.
-
-2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * gccbug.in: New file.
- * configure.in (all_outputs): Add gccbug.
- * Makefile.in (install-common): Install gccbug.
- (GCCBUG_INSTALL_NAME): New variable.
- * configure: Rebuilt.
-
-2000-03-13 Jason Merrill <jason@casey.cygnus.com>
-
- * function.c (put_var_into_stack): Use type_for_mode to calculate
- part_type. Use MEM_SET_IN_STRUCT_P.
- * expr.c (store_field): Handle CONCAT.
- (store_constructor): Use fields_length.
- * tree.c (fields_length): New fn.
- * tree.h: Declare it.
-
-2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
- (cpplex.o): New target.
- * po/POTFILES.in: Add cpplex.c.
-
- * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
- cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
- cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
- skip_block_comment, skip_line_comment, skip_comment,
- copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
- _cpp_parse_name, skip_string, parse_string,
- _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
- _cpp_get_directive_token, find_position,
- _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
- (maybe_macroexpand, _cpp_lex_token): New functions.
-
- * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
- parse_goto_mark): Delete.
- (_cpp_handle_eof): New function.
- (_cpp_handle_directive): Rename from handle_directive.
- (_cpp_output_line_command): Rename from output_line_command.
- (do_if, do_elif): Call _cpp_parse_expr directly.
- * cppfiles.c (_cpp_read_include_file): Don't call
- init_input_buffer here.
- * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
- * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
- here; pop the token_buffer and skip the rest of the line here.
- * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
- here.
-
- * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
- Define here.
- (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
- CPP_GOTO_MARK): New macros.
- (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
- _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
- _cpp_read_and_prescan, _cpp_init_input_buffer,
- _cpp_grow_token_buffer, _cpp_get_directive_token,
- _cpp_handle_directive, _cpp_handle_eof,
- _cpp_output_line_command): Prototype them here.
- * cpplib.h (enum cpp_token): Add CPP_MACRO.
- (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
- quote_string, output_line_command): Remove.
-
-2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * stmt.c (expand_end_case): RANGE may be signed, and when checking
- whether it is too large we must also verify that it isn't negative.
-
-2000-03-13 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
- (movsi_zero_liveg0): Remove.
- (movsf_insn_novis_liveg0): Remove.
- (negsi2): Remove.
- (negsi2_not_liveg0): Rename to negsi2.
- (one_cmplsi2): Remove.
- (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
- (one_cmplsi2_liveg0): Remove.
- * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
- MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
- (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
- (PREDICATE_CODES): Remove zero_operand.
- * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
- TARGET_BROKEN_SAVERESTORE.
- (zero_operand): Remove.
- * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
- -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
- options.
- (SUBTARGET_OVERRIDE_OPTIONS): Remove.
- * config/sparc/linux-aout.h (TARGET_LIVE_G0,
- TARGET_BROKEN_SAVERESTORE): Remove.
- * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
- Remove.
- * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
- Remove.
- * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
- Remove.
-
- * config/sparc/sparc.md (return_df_no_fpu): New pattern.
-
-2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (do_pragma_implementation): Fix off-by-one error
- truncating a string. Don't assume tokens are nul terminated.
- Problem noted by Andreas Jaeger <aj@suse.de>
-
-2000-03-13 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (add_name_and_src_coords_attributes): Only add
- DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
- (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
-
-2000-03-13 Richard Earnshaw <rearnsha@arm.com>
-
- * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
- STRUCTURE_SIZE_BOUNDARY.
-
-2000-03-13 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (record_layout_info_s): New structure.
- (record_layout_info): New type.
- (new_record_layout_info): New function.
- (layout_field): Likewise.
- (finish_record_layout): Likewise.
- * stor-layout.c (layout_record): Remove.
- (new_record_layout_info): New function.
- (layout_field): New function, broken out from layout_record.
- (finalize_record_size): Likewise.
- (compute_record_mode): Likewise.
- (finalize_type_size): New function, broken out from layout_type.
- (finish_record_layout): Likewise.
- (layout_type): Use them.
-
-2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c: Don't include version.h.
- (special_symbol) [case T_VERSION]: Look for the string in
- hp->value.cpval; don't use version_string.
- * cppinit.c (initialize_builtins): Set hp->value.cpval for
- __VERSION__ to version_string.
- * Makefile.in (cpphash.o): Update deps.
-
-2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
-
- Convert cpplib to use libiberty/hashtab.c.
-
- * cpplib.h (struct cpp_reader): Make hashtab and
- all_include_files of type 'struct htab *'. Delete HASHSIZE
- and ALL_INCLUDE_HASHSIZE macros.
-
- * cpphash.h: Update prototypes.
- (struct hashnode): Remove next, prev, and bucket_hdr members.
- Make length a size_t. Add hash member.
- (struct ihash): Remove next member. Add hash member. Make
- name a flexible array member.
-
- * cppfiles.c: Include hashtab.h.
- (include_hash): Delete.
- (IHASHSIZE): New macro.
- (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
- (cpp_included): Do the hash lookup here.
- (_cpp_find_include_file): Rewrite.
- (cpp_read_file): Put the "fake" hash entry into the hash
- table. Honor the control_macro, if it turns out we've seen
- the file before. Don't push the buffer here.
- (_cpp_read_include_file): Push the buffer here.
- (OMODES): New macro. Use it whenever we call open(2).
-
- * cpphash.c: Include hashtab.h.
- (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
- _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
- _cpp_lookup_slot): New functions.
- (HASHSIZE): new macro.
- (hashf, _cpp_install, _cpp_delete_macro): Delete.
- (_cpp_lookup): Use hashtab.h routines.
-
- * cppinit.c: Include hashtab.h.
- (cpp_reader_init): Call _cpp_init_macro_hash and
- _cpp_init_include_hash. Don't allocate hashtab directly.
- (cpp_cleanup): Just call htab_delete on pfile->hashtab and
- pfile->all_include_files.
- (initialize_builtins): Use _cpp_make_hashnode and
- htab_find_slot to add hash entries.
- (cpp_finish): Just call _cpp_dump_macro_hash.
- * cpplib.c: Include hashtab.h.
- (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
- create hash entries.
- (do_pragma_poison, do_assert): Likewise.
- (do_include): Don't push the buffer here. Don't increment
- system_include_depth unless _cpp_read_include_file succeeds.
- (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
- or htab_remove_elt.
- (do_pragma_implementation): Use alloca to create copy.
-
- * Makefile.in: Update dependencies.
-
-2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * cppinit.c (cl_directive_handler): More K&R fixing.
-
-Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
- STACK_BOUNDARY.
- * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
-
-2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
- Change from char[] to macros.
-
-2000-03-12 Neil Booth <NeilB@earthling.net>
-
- * cppinit.c (cpp_start_read): Update indirect function
- call to K&R C.
-
-Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
- entry.
-
- * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
- config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
-
-2000-03-11 Neil Booth <NeilB@earthling.net>
-
- * cppinit.c (struct pending option): Replace undef with a
- pointer to a directive handling routine.
- (struct cpp_pending): Replace separate assert_ and define_
- lists with one directive_ list.
- (new_pending_define): Rename new_pending_directive. Extra
- argument is the directive's handling routine.
- (handle_option): Update to use new_pending_directive.
-
-2000-03-11 Neil Booth <NeilB@earthling.net>
-
- * cppfiles.c (file_cleanup, _cpp_find_include_file,
- remap_filename, _cpp_read_include_file, actual_directory,
- hack_vms_include_specification): Replace bcopy(), index() etc
- calls. Add casts to some allocations. Make some variables
- pointers to const [unsigned] char.
- * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
- collect_formal_parameters): Similarly.
- * cppinit.c (struct pending_option, append_include_chain,
- cpp_options_init, cpp_reader_init, initialize_standard_includes,
- cpp_start_read, new_pending_define, handle_option): Similarly.
- * cpplib.c (cpp_define, copy_comment, do_define, do_include,
- do_undef, do_error, do_warning, do_pragma, do_pragma_once,
- do_pragma_implementation, detect_if_not_defined,
- do_ifdef, skip_if_group, cpp_get_token, parse_string,
- do_assert, do_unassert): Similarly.
- * cpplib.h (cpp_buffer, cpp_options): Update types. Update
- function prototypes.
- * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
-
-2000-03-10 Richard Henderson <rth@cygnus.com>
-
- * builtins.c (expand_builtin_strlen): Revert last change.
- Use emit_insn_before if we're at the beginning of a sequence.
-
-2000-03-10 Jason Merrill <jason@casey.cygnus.com>
-
- * builtins.c (expand_builtin_strlen): Make sure that we have something
- at the beginning of the sequence.
-
- * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
- deferred inlines.
-
- * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
-
-2000-03-10 Richard Henderson <rth@cygnus.com>
-
- * except.c (can_throw): Use INTVAL on a CONST_INT.
- (reachable_handlers): Likewise.
- * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
-
-2000-03-10 Andreas Jaeger <aj@suse.de>
-
- * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
- MD_STARTFILE_PREFIX since those are not needed on linux.
- (ASM_FILE_START): New, from mips/gnu.h.
-
-2000-03-09 Richard Henderson <rth@cygnus.com>
- Alex Samuel <samuel@codesourcery.com> and others
-
- * Makefile.in (ssa.o): New rule.
- (OBJS): Add ssa.o.
- (STAGESTUFF): Add *.ssa and *.ussa.
- (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
- * rtl.def (PHI): New RTL expression.
- * rtl.h (clear_log_links): New declaration.
- (convert_to_ssa): Likewise.
- (convert_from_ssa): Likewise.
- * flow.c (split_edge): If the entry node falls through to the
- split edge's source block, split the entry edge.
- (clear_log_links): New function.
- * toplev.c (ssa_dump): New variable.
- (flag_ssa): Likewise.
- (f_options): Add "ssa".
- (compile_file): Create SSA dump files.
- (rest_of_compilation): Go to and from SSA if enabled.
- (decide_d_option): Handle -de for SSA dump files.
- * ssa.c: New file.
-
-Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
-
- * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
- same as VAR_DECL.
-
-2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
-
- * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
-
-Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
-
- * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
- (MD_STARTFILE_PREFIX_1): New macro.
-
-2000-03-09 Robert Lipe <robertl@sco.com>
-
- * config/ia64/ia64.c: Include system.h.
-
-2000-03-09 Jason Merrill <jason@casey.cygnus.com>
-
- * except.c (nothrow_function_p): If -fno-exceptions, just return.
- (init_eh_nesting_info): Likewise.
-
- * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
- (TREE_NOTHROW): Rename from TREE_RAISES.
- * toplev.c (rest_of_compilation): Set it.
- * print-tree.c (print_node): Adjust.
- * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
- (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
- * calls.c (emit_call_1): Add 'nothrow' parm. Add
- REG_EH_REGION note as appropriate.
- (libfunc_nothrow): New fn.
- (emit_library_call, emit_library_call_value): Use it.
- (expand_call): Check TREE_NOTHROW.
-
- * varasm.c (make_decl_rtl): Skip initial '*' when setting
- DECL_ASSEMBLER_NAME.
-
-2000-03-09 Andreas Jaeger <aj@suse.de>
-
- * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
- (TARGET_MEM_FUNCTIONS): Define.
-
-2000-03-09 Jason Merrill <jason@casey.cygnus.com>
-
- * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
-
- * except.c (can_throw): See through a SEQUENCE.
- (nothrow_function_p): New fn.
- * except.h: Declare it.
- * function.c (current_function_nothrow): New var.
- (prepare_function_start): Initialize it.
- * output.h: Declare it.
- * toplev.c (rest_of_compilation): Set it.
- * dwarf2out.c (dwarf2out_begin_prologue): Use it.
-
-2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (collect_formal_parameters): strncmp returns 0 for
- match. (cpp_compare_defs): Count the nul separator when
- advancing over argument names.
-
-2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * recog.c (preprocess_constraints): Matching constraints affect
- same alternative/different operand, not same operand/different
- alternative.
-
- * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
- register and a constant specially.
-
-2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * libgcc2.h: New file.
- * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
-
-Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
-
- * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
- * configure: Regenerate.
- * config/ia64: New.
-
-2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (LIBCPP_DEPS): New macro.
- (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
- it to declare deps.
- * cpperror.c: Include cpphash.h.
- * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
- dingleberry.
- (lex): Don't use CPP_WARN_UNDEF.
- (_cpp_parse_expr): Return an int, the truth value.
- * cppfiles.c: Include cpphash.h.
- (_cpp_merge_include_chains): Move to cppinit.c and make static.
- * cppinit.c (include_defaults_array): Disentangle.
- (cpp_cleanup): Don't free the if stack here.
- (cpp_finish): Pop off all buffers, not just one.
- * cpplib.c (eval_if_expr): Return int.
- (do_xifdef): Rename do_ifdef.
- (handle_directive): Don't use CPP_PREPROCESSED.
- (cpp_get_token): Don't use CPP_C89.
- * fix-header.c: Don't use CPP_OPTIONS.
-
- * cpplib.h: Move U_CHAR, enum node_type, struct
- file_name_list, struct ihash, is_idchar, is_idstart,
- is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
- CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
- CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
- CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
- CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
- of _cpp_simplify_pathname, _cpp_find_include_file,
- _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
- Move struct if_stack to cpplib.c. Move struct cpp_pending to
- cppinit.c.
- Change all uses of U_CHAR to be unsigned char instead.
- Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
-
-2000-03-08 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
- (dwarf2out_begin_prologue): Set it.
- (output_call_frame_info): Don't emit EH unwind info for leaves.
-
- * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
- can occur outside of an EH region.
- * except.c: Correct comments about rethrow behavior.
- (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
-
-2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
-
- * flow.c (make_edges): Always call make_eh_edge for calls.
-
-2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
- (struct cpp_buffer): Remove fname and underflow fields.
- (struct cpp_reader): Remove get_token field.
- (struct include_hash): Rename to struct ihash. Add typedef to
- IHASH.
- (struct if_stack): Remove fname field.
- (IF_STACK_FRAME): Rename to IF_STACK.
-
- * cpperror.c (print_containing_files): Trust that there are no
- macro buffers below the top file buffer.
- * cppfiles.c: Replace all references to 'struct include_hash'
- with 'IHASH'. Rename initialize_input_buffer to
- init_input_buffer. Don't set or reference cpp_buffer->fname,
- use buffer->ihash->name instead.
- * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
- not CPP_NULL_BUFFER.
- * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
- IF_STACK_FRAME, IHASH not struct include_hash.
- * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
- null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
- struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
- references to cpp_buffer->fname (delete entirely, or use
- ->ihash->name instead) and IF_STACK->fname.
- (cpp_push_buffer): Don't set new->underflow.
- (do_include): Use cpp_file_buffer.
-
- * cpphash.c (collect_formal_parameters): Remove duplicate
- increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
- used as a macro argument name. Don't append "..." to namebuf
- for varargs macros. After we're done scanning, go through
- namebuf and make it NUL separated, not comma separated.
- (_cpp_compare_defs): Remove register tag from variables.
- Expect defn->argnames to be NUL separated.
- (_cpp_dump_definition): Expect defn->argnames to be NUL
- separated and in forward order.
- * cpphash.h: Update documentation of argnames field.
-
-2000-03-08 Richard Henderson <rth@cygnus.com>
-
- * builtins.c (expand_builtin_strlen): Be prepared for strlensi
- to fail. Don't pre-expand the source operand.
-
- * i386.md (strlensi): Initialize eoschar and align before use.
-
-2000-03-08 Jason Merrill <jason@casey.cygnus.com>
-
- * expr.c (expand_expr, case ARRAY_REF): Still check for missing
- CONSTRUCTOR element.
-
-2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
-
- * mips.c (mips_expand_prologue): If the last
- named argument is the vararg marker "va_list", treat it as
- an unnamed argument.
-
-2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
-
- * dbxout.c (dbxout_parms): When correcting for promoted
- big-endian parameters, use the mode of the DECL_RTL rather
- than UNITS_PER_WORD.
-
-2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
-
- * c-common.h (make_fname_decl): Declare.
- * c-common.c (make_fname_decl): Define.
- (declare_hidden_char_array): Remove.
- (declare_function_name): Use make_fname_decl.
- * c-decl.c (c_make_fname_decl): New function.
- (init_decl_processing): Set make_fname_decl.
-
-Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
-
- * cccp.c (handle_directive): Initialize backslash_newlines_p.
-
-2000-03-07 Philipp Thomas <pthomas@suse.de>
-
- * po/POTFILES.in: Remove cppalloc.c from file list.
-
-2000-03-07 Steve Chamberlain <sac@pobox.com>
-
- * pj.c (pj_expand_prologue): current_function->args_info is
- now current_function_args_info.
-
- * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
- LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
- ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
-
-2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
- output as hexadecimal rather than the default octal.
-
-2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (special_symbol): Fix thinko in previous commit.
-
-2000-03-07 Neil Booth <NeilB@earthling.net>
-
- * cppexp.c (struct operation, left_shift, right_shift,
- cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
- "int"s to "unsigned int"s.
- * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
- Similarly.
- * cpplib.h: Update for above.
- * mkdeps.c (deps_init, deps_calc_target): Cast pointers
- returned from allocations.
-
- * cppinit.c (opt_comp, parse_options): New functions.
- (handle_option): Use parse_option to parse a single command
- line option, that possibly takes an argument.
- (cpp_handle_options): Sort the array of command line options on
- first invocation (non-ASCII hosts only).
- (print_help): Update.
-
-2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
- backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
-
- * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
- initialized.
- * cppinit.c (cpp_cleanup): Free imp->nshort also.
-
- * cpperror.c (cpp_print_containing_files,
- cpp_print_file_and_line, v_cpp_message): Rename to
- print_containing_files, print_file_and_line, and v_message.
- * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
- to _cpp_parse_expr, parse_escape, and lex.
- (parse_charconst): Remove broken multibyte support.
- * cppfiles.c (include_hash): Make static.
- (cpp_included): New function.
- (merge_include_chains, find_include_file, finclude,
- simplify_pathname): Rename to _cpp_merge_include_chains,
- _cpp_find_include_file, _cpp_read_include_file, and
- _cpp_simplify_pathname.
- * cpphash.c (cpp_lookup, free_definition, delete_macro,
- cpp_install, create_definition, macroexpand, compare_defs,
- dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
- _cpp_delete_macro, _cpp_install, _cpp_create_definition,
- _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
- * cppinit.c (cpp_handle_option): Rename to handle_option, make
- static.
- * cpplib.c: Remove extern prototype of cpp_parse_expr.
-
- * cpphash.h: Update prototypes.
- * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
-
-2000-03-07 Andrew Haley <aph@cygnus.com>
-
- * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
- PTRDIFF_TYPE should be based solely on Pmode.
- (SIZE_TYPE): ditto.
-
-2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * rtl.h (rtunion_def): Constify member `rtstr'.
- (emit_line_note_after, emit_line_note, emit_line_note_force,
- emit_note, decode_asm_operands): Constify.
-
- * cse.c (canon_hash): Likewise.
-
- * dbxout.c (dbxout_block): Likewise.
-
- * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
- v_warning_for_asm): Likewise.
-
- * dwarfout.c (function_start_label): Likewise.
-
- * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
- emit_line_note_force): Likewise.
-
- * final.c (last_filename, asm_insn_count, final_scan_insn,
- output_source_line): Likewise.
-
- * function.h (struct emit_status): Likewise.
-
- * gcse.c (hash_expr_1): Likewise.
-
- * genattr.c (gen_attr, main): Likewise.
-
- * genattrtab.c (struct function_unit, current_alternative_string,
- write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
- attr_numeral, check_attr_test, check_attr_value,
- convert_set_attr_alternative, convert_set_attr,
- compute_alternative_mask, simplify_by_exploding, gen_attr,
- gen_unit): Likewise.
-
- * genflags.c (gen_insn): Likewise.
-
- * gengenrtl.c (type_from_format): Likewise.
-
- * genopinit.c (gen_insn): Likewise.
-
- * genoutput.c (n_occurrences, process_template, process_template):
- Likewise.
-
- * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
- Likewise.
-
- * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
- Likewise.
-
- * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
- ggc_set_mark, ggc_get_size): Likewise.
-
- * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
-
- * optabs.c (init_one_libfunc): Likewise.
-
- * output.h (assemble_start_function): Likewise.
-
- * recog.c (decode_asm_operands): Likewise.
-
- * toplev.c (rest_of_compilation): Likewise.
-
- * tree.h (emit_line_note_after, emit_line_note,
- emit_line_note_force): Likewise.
-
- * varasm.c (asm_output_bss, asm_output_aligned_bss,
- asm_emit_uninitialised, assemble_start_function,
- assemble_variable, const_hash, compare_constant_1,
- find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
-
- * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
-
- * alpha/alpha.md (call_vms, call_value_vms): Likewise.
-
- * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
-
- * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
-
- * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
- arm_dllimport_name_p): Likewise.
-
- * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
- Likewise.
-
- * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
-
- * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
- arm_mark_dllexport, arm_mark_dllimport,
- arm_pe_encode_section_info): Likewise.
-
- * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
- ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * arm/thumb.c (thumb_function_prologue): Likewise.
-
- * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
-
- * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
-
- * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
-
- * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
-
- * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
- ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
-
- * i386/i386-protos.h (asm_output_function_prefix): Likewise.
-
- * i386/i386.c (asm_output_function_prefix): Likewise.
-
- * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
-
- * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
-
- * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
- ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
- ASM_OUTPUT_SECTION_NAME): Likewise.
-
- * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
-
- * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
-
- * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
-
- * m32r/m32r.c (m32r_encode_section_info): Likewise.
-
- * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * mcore/mcore.c (mcore_encode_section_info): Likewise.
-
- * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
-
- * mips/mips.md (movdi, movsi): Likewise.
-
- * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
-
- * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
- ASM_OUTPUT_ASCII): Likewise.
-
- * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
- output_mi_thunk, output_toc): Likewise.
-
- * rs6000/rs6000.md (movsi): Likewise.
-
- * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
-
- * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
-
- * v850/v850.c (print_operand, print_operand_address,
- v850_encode_data_area): Likewise.
-
-2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.md (zero_extendsidi2): Always force operand
- one to memory for mips16.
-
-Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
- (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
- (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
- (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
- (min_precision): Result is unsigned.
- (add_double, neg_double, mul_double): Low word is unsigned.
- (lshift_double, rshift_double, lrotate_double): Likewise.
- (rrotate_double, div_and_round_double): Likewise.
- (tree_floor_log2, compare_tree_int): New functions.
- (preserve_rtl_expr_temps): New declaration.
- * c-common.c (declare_hidden_char_array): Use compare_tree_int.
- (decl_attributes): Use tree_log2 to find alignment.
- Check for TREE_INT_CST_HIGH for format args.
- (min_precision): Now unsigned.
- Use tree_floor_log2.
- (truthvalue_conversion): Delete long-disabled code.
- * c-decl.c (finish_struct): Clean up tests on field width.
- (finish_function): Use compare_tree_int.
- * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
- * c-typeck.c (comptypes): Use tree_int_cst_equal.
- (default_conversion, digest_init): Use compare_tree_int.
- (build_binary_op): Use integer_all_onesp and compare_tree_int.
- Fix type errors in forming masks.
- * calls.c (initialize_argument_information): Use compare_tree_int.
- * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
- * except.c (expand_eh_region_start_tree): Use compare_tree_int.
- * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
- (store_field): Use compare_tree_int.
- (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
- (expand_expr, case ARRAY_REF): Use compare_tree_int.
- (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
- (do_store_flag): Use compare_tree_int.
- * fold-const.c (encode, decode): Low part is always unsigned.
- (force_fit_type, add_double, neg_double, mul_double): Likewise.
- (lshift_double, rshift_double, lrotate_double): Likewise.
- (rrotate_double, div_and_round_double, int_const_binop): Likewise.
- (fold_convert): Use compare_tree_int.
- (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
- (invert_truthvalue, case INTEGER_CST): Likewise.
- (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
- * mkdeps.c (deps_dummy_targets): Make I unsigned.
- * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
- (lshift_double, rshift_double, lrotate_double, rrotate_double):
- Likewise.
- * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
- (expand_end_case): Use compare_tree_int.
- (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
- * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
- (layout_decl): Likewise.
- (layout_record, layout_union): Make sizes unsigned.
- (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
- (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
- * tree.c (struct type_hash): hashcode is unsigned.
- (build_type_attribute_variant, type_hash_list): Likewise.
- (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
- (attribute_hash_list, build_array_type, build_method_type): Likewise.
- (build_complex_type): Likewise.
- (real_value_from_int_cst): Remove unneeded casts.
- (integer_all_onesp): Add casts.
- (tree_floor_log2, compare_tree_int): New functions.
- (build_index_type): Use tree_int_cst_sgn.
- * varasm.c (assemble_variable): Use compare_tree_int.
-
-2000-03-06 Jason Merrill <jason@casey.cygnus.com>
-
- * cpphash.c (collect_expansion): Also catch ## at start of macro.
-
- * varasm.c (make_decl_rtl): Don't add a number to members of
- local classes.
- (make_function_rtl): Likewise.
-
-2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
- patch from 2000-01-28.
-
-2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/sh/sh.c: (barrier_align): Handle a delay slot that is
- filled with an insn from the jump target.
-
-2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
- (c4x_external_ref): Likewise.
- * config/c4x/c4x.c (struct name_list): Likewise.
-
-1999-12-16 Ben Collins <bcollins@debian.org>
-
- * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
- argument to genmultilib.
- * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
- the contents into the multilib.h header.
- * gcc.c: Declare multilib_exclusions for the specs file.
- (set_multilib_dir): Use it.
- (print_multilib_info): Likewise.
- * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
- to pass to genmultilib.
-
-2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * builtins.c (built_in_class_names, built_in_names): Constify a
- char*.
-
- * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
- int.
- (_mcleanup): Ensure value matches format specifier in sprintf.
-
- * cpphash.c (special_symbol): Don't needlessly cast away
- const-ness.
-
- * cppinit.c (base_name): Delete unused prototype.
-
- * mkdeps.c (deps_init): Make definition K&R safe.
-
- * tree.h (built_in_class_names, built_in_names): Constify a
- char*.
-
-2000-03-06 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
- floating point instructions for epilogue delay.
-
- * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
- to gas if it supports .register pseudo.
-
- * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
- LONG_DOUBLE_TYPE_SIZE if not defined.
- Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
- LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
- * real.c: Likewise.
- * gengenrtl.c: Likewise.
- * print-rtl.c: Likewise.
- * rtl.c: Likewise.
- * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
- MASK_LONG_DOUBLE_128.
- * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
- * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
- * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
- (SUBTARGET_SWITCHES): Define.
- (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
- with -mlong-double-128.
- (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
- (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
- (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
- (CC1_SPEC): Include -mlong-double-{64,128} as needed.
- * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
- (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
- with -mlong-double-128.
- (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
- (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
- (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
- * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
- TARGET_LONG_DOUBLE_128): Define.
- * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
- * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
- long double on TARGET_ARCH64.
-
-2000-03-06 Mark Mitchell <mark@codesourcery.com>
-
- * function.c (free_temps_for_rtl_expr): Don't free slots
- that have been pushed into a higher level.
-
- Revert this patch:
- 2000-03-05 Mark Mitchell <mark@codesourcery.com>
-
-2000-03-05 Mark Mitchell <mark@codesourcery.com>
-
- * basic-block.h (ALLOCA_REG_SET): Remove.
- (INITIALIZE_REG_SET): New macro.
- * flow.c (update_life_info): Use it.
- (calculate_global_regs_live): Likewise.
- (propagate_block): Likewise.
- * global.c (build_insn_chain): Likewise.
- * haifa-sched.c (schedule_region): Likewise.
-
-2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
-
- * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
- (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
- (DWARF_ARANGES_PAD_SIZE): New define.
- (output_aranges): Use it to pad the address range header.
- (DWARF_ROUND): Fix for non power of 2 rounding.
-
-2000-03-05 Jason Merrill <jason@casey.cygnus.com>
-
- * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
-
-2000-03-05 Mark Mitchell <mark@codesourcery.com>
-
- * tree.def (RTL_EXPR): Update documentation.
- * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
- * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
- * function.c (preserve_rtl_expr_temp): New function.
- (preserve_rtl_expr_temps): Likewise.
- (preserve_rtl_expr_result): Use it.
-
- Revert this patch:
- 2000-03-04 Mark Mitchell <mark@codesourcery.com>
-
-2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
-
- * regmove.c (copy_src_to_dest) Do not create src->dest move
- for unchanging destination.
-
-2000-03-04 Mark Mitchell <mark@codesourcery.com>
-
- * function.h (struct sequence_stack): Remove rtl_expr.
- (struct emit_staus): Likewise.
- (seq_rtl_expr): Remove.
- * tree.h (free_temps_for_rtl_expr): Don't declare.
- (start_sequence_for_rtl_expr): Likewise.
- * rtl.h (preserve_rtl_expr_result): Likewise.
- * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
- (start_sequence_for_rtl_expr): Remove.
- (push_topmost_sequence): Don't save sequence_rtl_expr.
- (pop_topmost_sequence): Remove comment about not restoring it.
- (end_sequence): Don't set seq_rtl_expr.
- (init_emit): Don't initialize it.
- (mark_sequence_stack): Don't mark it.
- (mark_emit_status): Likewise.
- * except.c (protect_with_terminate): Use
- start_sequence_for_rtl_expr, not start_sequence.
- * expr.c (expand_expr, case RTL_EXPR): Don't call
- preserve_rtl_expr_result or free_temps_for_rtl_expr.
- * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
- (preserve_rtl_expr_result): Remove.
- (free_temps_for_rtl_expr): Likewise.
- (pop_temp_slots): Likewise.
- (mark_temp_slot): Don't mark the rtl_expr.
- * stmt.c (expand_start_stmt_expr): Use start_sequence, not
- start_sequence_for_rtl_expr.
-
-2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
-
- * mkdeps.c, mkdeps.h: New files.
- * po/POTFILES.in: Add them.
- * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
- (cpplib.o, cppinit.o): Depend on mkdeps.h.
- (mkdeps.o): New target.
-
- * cppfiles.c: Delete deps_output.
- * cppinit.c: Include mkdeps.h. Delete known_suffixes,
- OBJECT_SUFFIX, and base_name.
- (cpp_cleanup): Use deps_free. Free ihash->name when clearing
- the include hash.
- (initialize_dependency_output): Use deps_init,
- deps_add_target, deps_calc_target, and deps_add_dep. Remove
- all the unnecessary string bashing.
- (cpp_finish): Use deps_write. Remove an unnecessary nesting
- level.
- * cpplib.c (do_include): Use deps_add_dep.
- * cpplib.h (struct cpp_reader): Replace deps_buffer,
- deps_allocated_size, deps_size, deps_column members with
- single pointer to a struct deps. Delete prototype of
- deps_output.
-
- * cppinit.c: Fix thinko in previous patch.
-
-Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
- * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
- (mode_for_size_tree): New function.
- (layout_decl, layout_type): Call it and clean up BLKmode checks.
- * tree.h (mode_for_size_tree): New declaration.
-
- * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
-
-2000-03-04 Jason Merrill <jason@casey.cygnus.com>
-
- * stmt.c (is_body_block): Move...
- * dwarfout.c, dwarf2out.c: ...from here.
- * tree.h: Declare it.
- * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
- * final.c (final_start_function): Do call remove_unnecessary_notes
- when scheduling.
-
-2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
-
- * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
-
- * cpplib.h (_dollar_ok): New macro.
- (is_idchar, is_idstart): Use it.
- (IStable): Rename to _cpp_IStable. Declare it const if
- gcc >=2.7 or C99. Delete all references to FAKE_CONST.
- (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
- is_space): Update for renamed IStable.
-
- * cppinit.c: Delete all references to FAKE_CONST and CAT
- macros. Define init_IStable as empty macro if gcc >=2.7 or
- C99. Change TABLE() to ISTABLE and hardcode name of table.
- (cpp_start_read): Don't change the IStable based on
- dollars_in_ident.
-
- * cpphash.c (unsafe_chars): Add pfile argument. All callers
- changed. Handle '$' for char1 correctly.
- * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
-
- * cppexp.c (tokentab2): Make const.
- (cpp_lex): Make toktab const.
- * cppinit.c (include_defaults_array): Make const.
- (initialize_standard_includes): Make default_include const.
-
-2000-03-03 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
- (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
- (gen_decl_die): Likewise.
- * dwarfout.c (dwarfout_file_scope_decl): Likewise.
- (output_decl): Likewise.
-
- * varasm.c (make_function_rtl): If we change the name used in the
- rtl, update DECL_ASSEMBLER_NAME accordingly.
- (make_decl_rtl): Likewise.
-
- * toplev.c (rest_of_compilation): Tweak formatting.
-
- * toplev.c (rest_of_compilation): find_loop_tree_blocks before
- remove_unnecessary_notes.
- (debug_ignore_block): New fn.
- * toplev.h: Declare it.
- * emit-rtl.c (remove_unncessary_notes): Call it.
- * dwarf2out.c (dwarf2out_ignore_block): New fn.
- * dwarf2out.h: Declare it.
- * final.c (final_start_function): Don't call remove_unnecessary_notes
- if we did insn scheduling.
-
-2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
- * cpplib.h: Delete SET_CPP_PEDANTIC.
-
-Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
- result is a RECORD_TYPE.
-
-2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
-
- * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
-
-2000-03-03 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
- addition over compliments over shifts.
-
-Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (reload_combine_note_use): Handle return register USEs.
- REG case: Handle multi-hard-register hard regs.
-
-Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * md.texi: Document use of '*' in insn pattern name.
-
-2000-03-03 Jason Merrill <jason@casey.cygnus.com>
-
- * calls.c (special_function_p): operator new may not be malloc-like.
-
- * gcse.c (dump_hash_table): Really fix error in last change.
-
-2000-03-02 Denis Chertykov <denisc@overta.ru>
-
- * avr.c (print_operand): Use print_operand_address instead of
- output_addr_const.
- * avr/libgcc.S: Cleanup code.
-
-2000-03-02 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
-
-2000-03-02 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (TYPE_ALIGN_UNIT): New macro.
-
-2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
-
- * i386.c: (constant_call_address_operand): Reject CONST_INT.
-
-2000-03-02 Jason Merrill <jason@casey.cygnus.com>
-
- * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
- for the buffer.
- (SET_CPP_PEDANTIC): New macro.
- * cpplib.c (do_include): Don't bother checking system_header_p.
- (do_warning, do_ident, do_assert, do_unassert): Likewise.
- * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
-
- * function.h (struct expr_status): Add x_arg_space_so_far.
- (arg_space_so_far): New macro.
- * expr.c (init_expr): Initialize it.
- * calls.c (emit_call_1): Reset it.
- (compute_argument_block_size, expand_call): Use it.
- (expand_call, store_one_arg): Increment it.
-
-Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * varasm.c (output_constant): Strip off a CONVERT_EXPR to
- a UNION_TYPE.
-
-2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (cpp_read_file): New function.
-
- * cpphash.c (collect_expansion): Make sure to reset last_token
- to NORM when we hit a string. Handle trailing whitespace
- properly when the expansion is empty.
- (create_definition): Disable line commands while parsing the
- directive line.
- (dump_definition): If pfile->lineno == 0, output a line
- command ahead of the dump, and add a trailing newline.
-
- * cppinit.c (append_include_chain): Add fifth argument, which
- indicates whether or not system headers are C++ aware.
- (initialize_standard_includes): New function,
- broken out of read_and_prescan. Pass 'cxx_aware' value from
- the include_defaults_array on to append_include_chain.
- (dump_special_to_buffer): Const-ify char array.
- (builtin_array): Don't dump __BASE_FILE__.
- (cpp_start_read): Use cpp_read_file. Reorder code for
- clarity. Don't output line commands here for -D/-A/-U
- switches. Don't call deps_output for files included with
- -include or -imacros.
-
- * cpplib.c (do_define): Don't pay any attention to the second
- argument.
- (cpp_expand_to_buffer): Disable line commands while scanning.
- (output_line_command): Work in the file buffer.
- * cpplib.h: Remove no_record_file flag from struct cpp_reader.
- Fix formatting of comments. Prototype cpp_read_file.
-
-Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
- reference the language-equivalent of sizetype.
- * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
- * fold-const.c (size_binop, size_diffop): Put back checks.
- * gcse.c (dump_hash_table): Fix minor error in last change.
- * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
- Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
- all sizetypes.
-
-Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (expand_call) Do not attempt to combine stack adjustments
- with inhibit_defer_pop set.
-
-2000-03-01 Mark Mitchell <mark@codesourcery.com>
-
- * stor-layout.c (layout_decl): Allow front-ends to explicitly set
- the DECL_SIZE for a FIELD_DECL.
-
-2000-03-01 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/inclhack.tpl: remove unused symlinks
- * fixinc/README: GCC Maintainer info
- * fixinc/inclhack.sh: regen
- * fixinc/fixincl.sh: regen
-
-2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (collect_expansion): Trim trailing white space
- from macro definitions, but don't go past the last insertion
- point.
-
-Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (mulqi3): New pattern.
-
-2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
- token types.
- (struct cpp_reader): Add parsing_if_directive and
- parsing_define_directive flags.
- (struct cpp_options): Remove output_conditionals flag.
- (check_macro_name): Delete prototype.
-
- * cpphash.h (struct macrodef): Delete.
- (struct reflist): Separate from struct definition.
- (struct definition): Remove unused fields. Add column number.
- (create_definition): Returns a DEFINITION *. Takes a
- cpp_reader * and an int.
-
- * cpphash.c (SKIP_WHITE_SPACE): Delete.
- (PEEKC): Copy defn from cpplib.c.
- (rest_extension, REST_EXTENSION_LENGTH): Delete.
- (struct arg): New.
- (struct arglist): Simplify.
- (collect_expansion): Rewrite. Get tokens by calling
- cpp_get_token. Add more error checking.
- (collect_formal_parameters): New function, broken out of
- create_definition and reworked to use get_directive_token.
- (create_definition): All real work is now in collect_expansion
- and collect_formal_parameters. do_define handles finding the
- macro name. Return a DEFINITION, not a MACRODEF.
- (macroexpand): Replace bcopy with memcpy throughout. Replace
- character-at-a-time copy loop with memcpy and pointer increments.
- (compare-defs): d1->argnames / d2->argnames might be null.
-
- * cpplib.c (copy_rest_of_line): Delete function.
- (skip_rest_of_line): Do all the work ourselves.
- (skip_string): New function.
- (parse_string): Use skip_string.
- (get_macro_name): New function.
- (check_macro_name): Delete.
- (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
- (cpp_skip_hspace): Use CPP_BUMP_LINE.
- (handle_directive): ICE if we're called on a macro buffer.
- (do_define): Determine macro name and type (funlike/objlike)
- here. Expunge all uses of MACRODEF.
- (cpp_push_buffer): Set line_base to NULL.
- (do_undef, read_line_number): Don't worry about getting a POP token.
- (eval_if_expression): Set/reset parsing_if_directive around
- cpp_parse_expr. Don't clear only_seen_white.
- (skip_if_group): Remove output_conditionals logic. Use
- skip_rest_of_line.
- (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
- tokens under appropriate conditions.
- (cpp_unassert): Call do_unassert not do_assert. Oops.
-
- * cppexp.c (parse_defined): New function, break out of
- cpp_lex.
- (cpp_lex): We now get CPP_ASSERTION tokens and can check them
- ourselves, with cpp_defined.
- * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
-
- * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
- * gcc.dg/strpaste-2.c: New.
-
-2000-02-29 Mark Mitchell <mark@codesourcery.com>
-
- * fold-const.c (size_binop): Don't asert inputs are the same and
- have TYPE_IS_SIZETYPE set.
- (size_diffop): Likewise.
-
-2000-02-29 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarfout.c (output_block): Output abstract blocks even if they
- don't have TREE_ASM_WRITTEN set.
-
- * calls.c (emit_library_call): Check for null REG.
-
-2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
-
- * c-decl.c (current_function_decl): Move to toplev.c.
- (init_decl_processing): Don't add current_function_decl as a ggc
- root here.
- * dbxout.c (dbxout_symbol): Change return type to int.
- (dbxout_symbol_location, dbxout_syms): Likewise.
- (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
- any locals. Use current_function_func_begin_label if set.
- * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
- * dwarf2out.c (dwarf2out_begin_prologue): Set
- current_function_func_begin_label.
- * final.c (final_start_function): Reset it.
- * toplev.c (current_function_decl): Define it here.
- (current_function_func_begin_label): New variable.
- (main): Add both as ggc roots.
- * tree.h (current_function_func_begin_label): Declare.
-
-Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcse.c: Cleanups throughout: mostly white-space, but also
- some minor rearrangement of code.
-
-Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
-
- * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
- returns a PARALLEL. Use emit_group_load and use_group_regs
- as needed.
- (emit_library_call_value): Similarly.
-
- * pa/t-pa: Use quadlib.c instead of quadlib.asm.
- * pa/quadlib.asm: Remove.
- * pa/quadlib.c: New file.
-
- * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
- * configure: Rebuilt.
-
-2000-02-29 Philip Blundell <pb@futuretv.com>
-
- * config/arm/conix-elf.h: New file.
- * configure.in (arm*-*-conix*): New configuration.
- * configure: Regenerate.
-
-2000-02-28 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (gen_block_die): Output abstract blocks even if they
- don't have TREE_ASM_WRITTEN set.
-
-Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Eliminate DECL_FIELD_SIZE.
- * builtins.c (built_in_class_names, built_in_names): New variables.
- * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
- * expr.c (expand_expr, case COMPONENT_REF): Get field size from
- DECL_SIZE, not DECL_FIELD_SIZE.
- * print-tree.c (print_node): Remove code that prints extra blank
- lines in some cases.
- Properly handle inline and builtin function cases.
- * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
- * tree.h (built_in_class_named, built_in_names): New declarations.
- (union tree_decl): Rename internal unions to u1 and u2 and change
- some of their components.
- Add new field built_in_class.
- (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
- Reflect above changes.
- (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
- (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
- * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
- (encode_field_decl): Likewise; also remove obsolete test for bitfield.
-
-2000-02-28 Dmitri Makarov <dim@windriver.com>
-
- * extend.texi: Document ARM's support for long/short calls.
-
- * invoke.texi: Document ARM's -mlong-calls command line switch.
-
- * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
- (arm_encode_call_attribute): Add prototype.
- (arm_set_default_type_attribute): Add prototype.
- (arm_strip_name_encoding): Add prototype.
-
- * config/arm/arm.c (arm_init_cumulative_args): replace
- initialisation og 'long_calls' field with initialisation of
- 'call_cookie' field.
- (enum arm_pragma_enum): New enum.
- (arm_pragma_long_calls): New static variable.
- (arm_process_pragma): Also process "#pragma long_calls_off".
- (arm_valid_type_attribute_p): Accept short_call attribute.
- (arm_comp_type_attributes): Check long/short call attributes.
- (arm_encode_call_attribute): New function: Encode long_call
- or short_call attribute in function name.
- (arm_set_default_type_attributes): New function: Assign
- default attributes to newly defined type.
- (current_file_function_operand): New function: Return true if
- the symbol is a function which has already been compiled.
- (arm_is_longcall_p): New function: Return true if the
- indicated function should be called via a long call.
- (arm_get_strip_length): New function. Returns number of
- prefix characters to be stripped from a function's name.
- (arm_strip_name_encoding): New function. Strip prefix characters
- from a function's name.
-
- * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
- with 'call_cookie'.
- (SHORT_CALL_FAG_CHAR): Define.
- (LONG_CALL_FAG_CHAR): Define.
- (ENCODED_SHORT_CALL_ATTR_P): Define.
- (ENCODED_LONG_CALL_ATTR_P): Define.
- (ARM_NAME_ENCODING_LENGTHS): Define.
- (STRIP_NAME_ENCODING): Define.
- (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
- (ARM_ENCODE_CALL_TYPE): Define.
- (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
- (ARM_DECLARE_FUNCTION_SIZE): Define.
- (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
-
- * config/arm/arm.md (call): Call arm_is_longcall_p to decide
- if a long call is needed.
- (call_value): Ditto.
- (call_symbol): Ditto.
-
- * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
- ARM_DECLARE_FUNCTION_SIZE.
-
- * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
- (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
- (ARM_STRIP_NAME_ENCODING): Undefine.
- (STRIP_NAME_ENCODING): Undefine.
- (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
- (ASM_DECLARE_FUNCTION_NAME): Ditto.
- (ASM_OUTPUT_COMMON): Ditto.
- (ASM_DECLARE_OBJECT_NAME): Ditto.
-
- * config/arm/pe.c (arm_dllexport_name_p): Check for
- ARM_PE_FLAG_CHAR.
- (arm_dllimport_name_p): Ditto.
- (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
- (arm_mark_dllimport): Ditto.
-
-Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
-
-2000-02-28 Mark Mitchell <mark@codesourcery.com>
-
- * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
-
-2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
-
- * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
- * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
- NO_BUILTIN_WCHAR_TYPE is not defined.
- (CPP_WCHAR_TYPE): Delete.
- * cccp.c (main): Don't change wchar_type if cplusplus.
- (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
-
-2000-02-28 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
-
-Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
-
- * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
- (ASM_WEAKEN_LABEL): Define.
-
-Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * expr.c (store_constructor): Do not emit USE.
- * rtl.h (stupid_life_analysis): Remove.
-
-Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * function.c (number_blocks): Reset next_block_index based on
- what debugging format is used, not what is defined.
-
- * lcm.c: Minor reformatting throughout.
- (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
-
- * toplev.c (rest_of_compilation): Account for time in
- optimize_mode_switching.
-
- * jump.c (jump_optimize_1): Don't call delete_barrier_successors
- if only marking labels.
-
-Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (expand_call): Attempt to combine stack adjustments with
- pending stack adjustments.
-
-Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * loop.c (reg_in_basic_block_p): Don't abort when falling through
- to the end of the function.
-
-2000-02-27 Mark Mitchell <mark@codesourcery.com>
-
- * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
- blocks.
- * final.c (next_block_index): Remove.
- (max_block_depth): Likewise.
- (pending_blocks): Likewise.
- (init_final): Don't initialize them.
- (final_start_function): Don't set next_block_index. Set up
- BLOCK_NUMBER.
- (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
- * function.h (number_blocks): New function.
- * function.c (get_block_vector): New function.
- (identify_blocks): Use it.
- (reorder_blocks): Set NOTE_BLOCK.
- (number_blocks): New function.
- * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
- * tree.h (BLOCK_NUMBER): New macro.
- (tree_block): Add block_num field.
- * dbxout.c (next_block_number): Remove.
- (dbxout_init): Don't set it.
- (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
- set. Use BLOCK_NUMBER, rather than next_block_num, to determine
- block numbers.
- * toplev.c (rest_of_compilation): Always call
- find_loop_tree_blocks. Fix indentation.
- * dwarf2out.c (next_block_number): Remove.
- (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
- to determine block numbers.
- (gen_inlined_subroutine_die): Likewise.
- (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
- (decls_for_scope): Don't increment next_block_number.
- * dwarfout.c (next_block_number): Remove.
- (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
- to determine block numbers.
- (output_inlined_subroutine_die): Likewise.
- (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
- (output_decls_for_scope): Don't increment next_block_number.
- * sdbout.c (next_block_number): Remove.
- (sdbout_block): Use BLOCK_NUMBER.
- (sdbout_begin_block): Simplify.
- * xcoffout.c (next_block_number): Remove.
- (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
- (xcoffout_begin_block): Don't set next_block_number.
- (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
- next_block_number.
-
-Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
- (expand_builtin_strcpy): Pass correct type to size_binop.
- (expand_builtin_strcmp): Likewise.
- Clean up conditional structure.
- * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
- (complete_array_type): Don't use size_binop for MAXINDEX.
- * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
- (c_sizeof_nowarn, c_size_in_bytes): Likewise.
- (c_alignof): Use size_one_node.
- (build_unary_op): Pass arg of proper type to size_binop.
- (really_start_incremental_init, push_init_level): Use sizetype for
- constructor{,_bit,_unfilled}_index.
- (pop_init_label, output_init_element): Likewise.
- (output_pending_init_elements, process_init_element): Likewise.
- * calls.c (compute_argument_block_size): Field VAR is ssizetype.
- * expr.c (store_expr): Use size_int.
- (store_constructor): Use proper types for size_binop args.
- (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
- (expand_expr_unaligned): Likewise.
- (string_contant): Return object of sizetype.
- * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
- (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
- (ARGS_SIZE_TREE): Pass proper types to size_binop.
- * fold-const.c (int_const_binop): Refine when size_int is called.
- (fold_convert): Likewise.
- (size_int_wide): Rework to take KIND as arg, only take low order
- bits, handle new sizetype_tab datatype, and chain entries in
- size_table.
- (size_int_type_wide): New function.
- (size_binop): Validate types of arguments.
- (ssize_binop): Deleted.
- (size_diffop): New function.
- (extract_muldiv): Only fold division into multiplication for sizetypes.
- * function.c (assign_parms): Use size_diffop and make sure
- VAR field is of ssizetype; also pass proper type to size_binop.
- (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
- (round_down): Deleted from here.
- * store-layout.c (sizetype_tab): Now an array.
- (sizetype_set, early_root_list): New variables.
- (variable_size): Use size_one_node.
- (round_up): Pass proper type to size_binop.
- (round_down): Moved to here and corrected as above.
- (layout_record): Pass proper arg types to size_binop.
- (layout_type): Likewise.
- If sizetype_set is zero, record the type just laid out.
- (make_unsigned_type): Don't call set_sizetype;
- (make_signed_type): Likewise; also, call fixup_signed_type.
- (initialize_sizetypes): New function.
- (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
- set name of bitsizetype to "bit_size_type".
- Fix up type of sizes of all types made before call.
- * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
- * tree.c (fix_sizetype): Deleted.
- (build_common_tree_nodes): Call initialize_sizetypes.
- (build_common_tree_nodes_2): Don't call fix_sizetype.
- * tree.h (TYPE_IS_SIZETYPE): New macro.
- (initialize_sizetype): New declaration.
- (enum size_type_kind): New type.
- (struct sizetype_tab): Deleted.
- (sizetype_tab): Now array; adjust sizetype macros.
- (size_diffop, size_int_type_wide): New functions.
- (size_int_wide): Change number of args and type; access macros changed.
- (ssize_int, sbitsize_int): New macros.
- * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
- (ROUND_TYPE_SIZE_UNIT): New macro.
-
-2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
-
-Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
- Mark as possibly unused.
-
- * cse.c (cse_insn): Delete dead code involving tablejump.
- Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
-
- * Makefile.in (libcpp.a): Start by deleting it.
-
-2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * cpplib.h (enum file_change_code): Added rename_file.
- * cpplib.c (do_line): If a filename is given, set file_change to
- rename_file.
- (output_line_command): If file_change is rename_file, always
- output a # directive with the file name.
-
- * cpplib.c (do_pragma): Accept #pragma without consecutive token.
-
-2000-02-26 Mark Mitchell <mark@codesourcery.com>
-
- * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
- when copying a PARM_DECL or RESULT_DECL.
-
-2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fix-header.c (recognized_function): Also fix prototypes for
- functions taking "void".
-
-2000-02-26 Geoff Keating <geoffk@cygnus.com>
-
- * reload1.c (do_output_reload): Check reg_reloaded_valid before
- looking at reg_reloaded_contents.
-
-2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (STMP_FIXINC): New toggle.
- (LIBGCC2_DEPS): Delete all references.
- (stmp-headers): Delete target. All references either deleted
- or changed to stmp-int-headers.
- (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
- (LIBCPP_OBJS): Take out cppalloc.o.
- (cppalloc.o): Delete target.
- (stmp-int-hdrs): Depend on $(STMP_FIXINC).
- (gen-protos, fix-header): Link with libiberty.a.
- * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
- to empty.
-
- * configure.in: Remove refs to strerror.
- * acconfig.h: Take out NEED_DECLARATION_STRERROR.
- * system.h: Take out strerror stanza.
-
- * cpperror.c (my_strerror): Delete function.
- (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
- * cppmain.c (main): Call xmalloc_set_program_name first thing.
- * cppalloc.c: Delete file.
- * gen-protos.c: Don't provide xrealloc.
-
- * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
- xstrerror throughout.
-
-2000-02-26 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
- match for DOS headers, too.
- * fixinc/inclhack.sh,fixincl.x: Regenerate.
-
-2000-02-26 Geoff Keating <geoffk@cygnus.com>
-
- * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
- is right for most ELF targets.
- * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
- Let the default file use %U properly.
- * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
- default.
-
- * config/fp-bit.c (pack_d): Properly handle rounding of denormal
- numbers.
-
-Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * toplev.c (documented_lang_options): Correct spelling error.
- (decode_d_option, decode_f_option, main): Likewise.
-
- * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
-
- * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
- to tell assembler it is permitted to expand large constants.
-
-2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
-
- * protoize.c: (AUX_INFO_SUFFIX): New macro.
- (aux_info_suffix): Use.
- (SAVE_SUFFIX): New macro.
- (save_suffix): Use.
- (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
- (gen_aux_info_file): Use aux_info_suffix instead of ".X".
- (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
-
- * invoke.texi (Running Protoize): Update documentation.
-
-2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
-
- * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
-
-2000-02-25 John Wehle (john@feith.com)
-
- * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
-
-2000-02-25 Anthony Green <green@cygnus.com>
-
- * toplev.c (rest_of_compilation): Rebuild jump labels if
- combine_instructions has created a new direct jump.
- * combine.c (try_combine): Add new_direct_jump_p argument. Set it
- when appropriate.
- (combine_instructions): Call try_combine with new argument.
- Return non-null value when new direct jump instruction is created.
- * rtl.h: combine_instructions returns an int.
-
-Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
-
- * cse.c (cse_insn): Replace the PATTERN of the insn with an new
- jump when changing a computed jump into a jump to a known
- target.
-
-Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
-
- * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
- to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
-
- * i386.md (define_expand "clrstrsi"): Fix typo.
-
-Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
-
- * rtl.texi: Fix typo.
-
-Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
- UNITS_PER_WORD. Change caller initial_elimination_offset.
- (rounded_frame_size): Take into account that argument pushed has
- changed. Fix TARGET_ALIGN_DOUBLE problem.
-
-2000-02-25 Geoff Keating <geoffk@cygnus.com>
-
- * haifa-sched.c (schedule_block): Explain the real reason
- we delete REG_SAVE_NOTEs on the first insn of a block.
- Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
-
-2000-02-24 Mark Mitchell <mark@codesourcery.com>
-
- * input.h (push_srcloc): New function.
- (pop_srcloc): Likewise.
- * toplev.c (push_srcloc): Define it.
- (pop_srcloc): Likewise.
-
-2000-02-24 Richard Henderson <rth@cygnus.com>
-
- * flow.c (life_analysis): When collecting reg info, clear
- regs_ever_live.
-
-Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- Fix bug exposed by reload.c no longer rounding the frame
- size to BIGGEST_ALIGNMENT:
- * sh.c (rounded_frame_size): New function.
- (sh_expand_prologue, sh_expand_epilogue): Use it.
- (initial_elimination_offset): Likewise.
-
-Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
- * sh-protos.h (sh_need_epilogue): Declare.
- * sh.c (sh_need_epilogue_known): New static variable.
- (sh_need_epilogue): New function.
- (function_epilogue): Clear need_epilogue_known.
- * sh.md (return): Split into expander / insn pattern.
- Make the expander conditional on ! sh_need_epilogue ().
-
-2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
-
- * machmode.h (get_mode_alignment): Declare.
- (GET_MODE_ALIGNMENT): Call it.
- * stor-layout.c (get_mode_alignment): New function. Make
- sure alignment is always power of 2.
-
-2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * i386.h: Remove useless definition of "I386" and misleading
- comment above it.
-
-2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
- under which TREE_PERMANENT will be set.
- * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
- build1): Use TREE_SET_PERMANENT.
- * print-tree.c (print_node): Don't report value of
- TREE_PERMANENT if ggc_p is true.
-
- * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
- decide whether to give a type a new alias set.
- * objc/objc-act.c (build_objc_string_object): Never copy the string.
- * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
- of value of 'obstack'.
-
-
-2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
-
-2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
- * cpplib.c (cpp_get_token): Produce them.
- * cppexp.c (cpp_lex): Handle them.
-
-2000-02-23 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c (arm_comp_type_attributes): Simply and
- comment tests on type attributes.
-
-Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * final.c (shorten_branches): Make value passed to LOOP_ALIGN
- conform to documentation.
- * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
- to check for special cases.
- * sh-protos.h (sh_loop_align): Declare.
- * sh.c (sh_loop_align): Define.
-
-2000-02-22 Andrew Haley <aph@cygnus.com>
-
- * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
- (SIZE_TYPE): Is 32 bits when using -mgp32.
- (PTRDIFF_TYPE): Ditto.
-
-Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
-
-2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
- BIGGEST_FIELD_ALIGNMENT a constant.
-
-2000-02-21 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (output_line_info): Put the marker for the end of
- the line number info at the actual end.
- (gen_struct_or_union_type_die): Use decl_function_context
- to check for local classes.
- * dwarfout.c (output_type): Likewise.
-
-Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
- for arguments with a mode, but no type.
- (FUNCTION_ARG_CALLEE_COPIES): Similarly.
- * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
- * pa/long_double.h: New file.
- * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
- both have 128bit wide long doubles.
- * configure: Rebuilt.
-
-2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
-
- * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
- fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
- (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
-
- * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
-
- * integrate.c (compare_blocks, find_block): Likewise.
-
- * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
-
- * rtl.h (set_file_and_line_for_stmt): Constify a char*.
-
- * stmt.c (stmt_status, set_file_and_line_for_stmt,
- expand_asm_operands): Likewise.
-
-Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
-
- * predict.c (estimate_probability): Added the pointer heuristic to
- the collection of static branch predictors.
-
-2000-02-21 Catherine Moore <clm@cygnus.com>
-
- * config/mips/mips.h (ASM_SPEC): Add -mfix700.
- * invoke.texi (-mfix7000): Document.
-
-2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * diagnostic.c (init_output_buffer): Make it possible to output at
- least 32 characters if we're given a too long prefix.
-
-2000-02-20 Mark Mitchell <mark@codesourcery.com>
-
- * varasm.c (initializer_constant_valid_p): Call
- lang_expand_constant to simplify the constant.
-
-2000-02-20 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/inclhack.def(stdio_va_list):
- typedef needs to be disabled.
- * fixinc/inclhack.sh: regen
- * fixinc/fixincl.x: regen
-
-2000-02-20 Geoff Keating <geoffk@cygnus.com>
-
- * print-rtl.c (print_rtx): Don't print addresses when
- flag_dump_unnumbered.
-
-2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * sparc.c (sparc_output_scratch_registers): Mark parameter with
- ATTRIBUTE_UNUSED.
- (sparc_va_arg, sparc_flat_output_function_prologue,
- sparc_flat_output_function_epilogue): Cast value to unsigned in
- comparison.
- (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
-
- * sparc.md: Add default case in switch.
-
-2000-02-19 Richard Henderson <rth@cygnus.com>
-
- * c-typeck.c (add_pending_init): Don't abort for multiple
- fields at the same offset.
- (pending_init_member): Test the correct member.
-
-2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
- instead of SImode.
- (start_catch_handler) : Same.
-
-2000-02-19 Brad Lucier (lucier@math.purdue.edu)
-
- * Makefile.in: Have flow.o depend on $(EXPR_H)
-
-Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
- * c-decl.c (duplicate_decls, finish_enum): Likewise.
- (finish_decl): Remove -Wlarger-than code from here.
- * flags.h (id_clash_len): Now int.
- (larger_than_size): Now HOST_WIDE_INT.
- * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
- Clean up checking to see if in table.
- (make_bit_field_ref): Remove extra parm to bitsize_int.
- * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
- * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
- * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
- and for computing size of decl.
- * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
- Move -Wlarger-than code to here.
- (layout_record): Remove extra arg to bitsize_int.
- Set TYPE_BINFO_SIZE_UNIT.
- (layout_union): Remove extra arg to bitsize_int.
- Use proper type for size of QUAL_UNION.
- (layout_type): Remove extra arg to bitsize_int.
- * toplev.c (id_clash_len): Now int.
- (larger_than_size): Now HOST_WIDE_INT.
- (decode_W_option): Clean up id-clash and larger-than- cases.
- * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
- (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
- * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
- (struct tree_decl): New field size_unit.
- (size_int_wide): No HIGH operand; NUMBER is now signed.
- (size_int_2): Deleted.
- (size_int, bitsize_int): Don't use it and rework args.
- * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
-
-Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
-
- * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
-
-2000-02-18 Geoff Keating <geoffk@cygnus.com>
-
- * invoke.texi (Warning Options): Add an explanation of why
- you might want the -Wfloat-equal flag.
-
-Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
- * cppinit.c (new_pending_define): Add cast to avoid warning.
- * expmed.c (extract_bit_field): Likewise.
- * flow.c (enum reorder_skip_type): New type.
- (skip_insns_between_blcok): New it.
- Rework to avoid warning about possibly undefined variable.
- * function.c (assign_parms): Make thisparm_boundary unsigned.
- * genrecog.c (write_switch): Cast XWINT result to int.
- * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
- * mips-tfile.c (init_file): Make two versions of FDR intializer:
- one for MIPS and one for Alpha.
- (get_tag, copy_object): Add casts to avoid warnings.
- * optabs.c (init_one_libfunc): Cast NAME to (char *).
- * reload.c (find_reloads): Make TYPE enum reload_type.
- * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
- * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
- * varasm.c (compare_constant_1): Add cast to avoid warning.
- * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
- to (char *).
- (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
- Cast switch operand of size to int.
- (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
- * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
- in unhandled case.
-
-2000-02-18 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
- anything for an alignment of zero.
-
- * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
- anything for an alignment of zero.
-
-2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
-
- * gcc.texi (Bug Reporting): Refer to bugs.html.
- (Bug Lists): Likewise.
- * system.h (GCCBUGURL): New preprocessor define.
- * rtl.c (fancy_abort): Use it.
- * gcc.c (main): Likewise.
-
-2000-02-18 Richard Henderson <rth@cygnus.com>
-
- * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
- (life_analysis_1): Subsume into ...
- (life_analysis): ... here. Force PROP_REG_INFO off after reload.
- Use update_life_info for the relaxation.
- (update_life_info): Update REG_BASIC_BLOCK for registers live on
- entry and regs_live_at_setjmp.
- (set_noop_p): Simplify.
- (notice_stack_pointer_modification_1): Renamed from s/_1//.
- (record_volatile_insns): Split into ...
- (delete_noop_moves): ... here,
- (notice_stack_pointer_modification): ... here,
- (insn_dead_p): ... and here.
- (propagate_block): Don't query INSN_VOLATILE.
- (mark_used_regs): Mind !PROP_REG_INFO.
- * toplev.c (rest_of_compilation): Call mark_constant_function here,
- not in life_analysis.
-
-Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
-
- * loop.c (canonicalize_condition): New function,
- broken out of get_condition.
- (get_condition): Use it.
- * expr.h (canonicalize_condition): Prototype it.
-
- * tree.h (tree_int_cst_msb): Declare.
- * tree.c (tree_int_cst_msb): New function.
-
-2000-02-17 Mark Mitchell <mark@codesourcery.com>
-
- * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
- isn't set.
-
- * invoke.texi (-fmessage-length=n): Document.
-
-2000-02-17 Jason Merrill <jason@casey.cygnus.com>
-
- * bitmap.c (bitmap_operation): Don't leak bitmap elements.
-
-2000-02-17 Mark Mitchell <mark@codesourcery.com>
-
- * function.c (thread_prologue_and_epilogue_insns): Put a line note
- after the prologue.
-
-2000-02-17 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/thumb.c: Replace includes of system headers with
- #include "system.h".
-
-2000-02-16 Richard Henderson <rth@cygnus.com>
-
- * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
- Add crtbeginS.o and crtendS.o.
- * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
- (ENDFILE_SPEC): Use crtendS.o.
- * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
-
- * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
- (__do_global_dtors_aux): ... here. Call __cxa_finalize if
- shared and present.
- (__dso_handle): New variable.
- * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
- bias to __CTOR_END__.
-
-2000-02-16 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
-
-Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * longlong.h (__clz_tab): Declare as static to match definition.
-
-2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
-
- * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
- (XREF_FILE_NAME): Define.
-
- * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
- (EH_FRAME_SECTION_ASM_OP): Define.
- (IDENT_ASM_OP): Define.
- (TEXT_SECTION_ASM_OP): Define.
- (CPP_SPEC): Define.
- (CTORS_SECTION_ASM_OP): Define.
- (CTOR_SECTION_FUNCTION): Use it.
- (DTORS_SECTION_ASM_OP): Define.
- (DTOR_SECTION_FUNCTION): Use it.
-
-2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
-
- * reg-stack.c (emit_swap_insn): Do not put a new insn before a
- NOTE_BASIC_BLOCK.
-
- * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
- debug_bb_n): New functions.
- (dump_flow_info, print_rtl_with_bb): Use dump_regset.
- * basic-block.h: Prototype new functions.
-
-Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
-
- * configure.in: Add support for avr target.
- * configure: Rebuilt.
-
- * invoke.texi: Add AVR invocation docs.
- * install.texi: Add information about AVR.
- * md.texi: Add AVR constraint letters description.
- * extend.texi: Add description for AVR specific attributes.
-
-2000-02-16 Jason Merrill <jason@casey.cygnus.com>
-
- * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
-
-2000-02-16 Nick Clifton <nickc@cygnus.com>
-
- * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
- (make_insn_raw): Move RTL check here.
-
-2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * version.c: Include gansidecl.h and version.h.
-
- * version.h: Wrap entire file in macro __GCC_VERSION_H__.
-
- * configure.in (gcc_version): When setting, narrow search to
- lines containing `version_string'.
-
- * Makefile.in (mainversion): Likewise.
- (GCC_H): New variable.
- (gcc.h): Delete target.
- (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
- (version.o): Depend on version.h.
- (dbxout.o): Don't depend on gcc.h.
-
-Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
- Michael Meissner <meissner@cygnus.com>
-
- * md.texi (Simple Constraints): Add item about whitespace.
- * genoutput.c (strip_whitespace): New.
- (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
- strip_whitespace for constraints.
- Test pointer using NULL, not 0.
-
-2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * cpplib.c (do_line): Pedwarn for #line > 32767.
-
- * c-lex.c (readescape): Warn about '\x', but do not reject it.
-
-2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
-
- * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
- to default cpp spec.
- (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
- * cpp.texi: Document __GNUC_PATCHLEVEL__.
- * cpp.1: Likewise.
-
- * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
- default spec.
-
-2000-02-15 Denis Chertykov <denisc@overta.ru>
-
- * configure.in: Add support for avr target.
-
-Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
- (sh_addr_diff_vec_mode): Don't declare.
- * sh.c (sh_addr_diff_vec_mode): Delete.
-
-Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
-
-Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
- (smulsi3_highpart_i): Name.
- (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
- (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
- (smulsi3_highpart, umulsi3_highpart): Likewise.
-
- (mulsidi3_i, umulsidi3_i): Make rtl describe operation
- correctly independent of endianness.
- (mulsidi3, umulsidi3): Now define_insn. Hide details that
- confuse the optimizers.
- (mulsidi3+1, umulsidi3+1): New define_split.
-
-Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
-
- * config/sh/sh.md: Guard insn splits against illegal registers.
- * config/sh/sh.h: Correct comment about macros.
-
-Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
- Andrew MacLeod <amacleod@cygnus.com>
-
- * Makefile.in (lcm.o): Depend on insn-attr.h.
- * basic-block.h (optimize_mode_switching): Declare.
- * lcm.c (tm_p.h, insn-attr.h): #include.
- (seginfo, bb_info): New structs.
- (antic, transp, comp, delete, insert) : New file-scope static variables.
- (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
- (reg_becomes_live, optimize_mode_switching): Likewise.
- * tm.texi: Add description of mode switching macros.
- * toplev.c (rest_of_compilation): Call optimize_mode_switching.
-
- * sh-protos.h (remove_dead_before_cse): Remove prototype.
- (fldi_ok, fpscr_set_from_mem): New prototypes.
- * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
- (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
- Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
- (sh_flag_remove_dead_before_cse): Remove declaration.
- (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
- (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
- (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
- * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
- (barrier_align): Allow for JUMP_INSNS containing a parallel.
- (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
- (fldi_ok): New function.
- (get_fpscr_rtx): Add fpscr_rtx as GC root.
- (emit_sf_insn): Only generate fpu switches when optimize < 1.
- (emit_df_insn): Likewise.
- (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
- (sh_flag_remove_dead_before_cse): Delete.
- (get_free_reg, fpscr_set_from_mem): New functions.
- * sh.md (movdf, movsf): Remove no_new_pseudos code.
- (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
-
-2000-02-15 Loren Rittle <ljrittle@acm.org>
-
- * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
-
-2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
- cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
-
- * cccp.c: Include version.h and/or don't declare `version_string'.
- * collect2.c: Likewise.
- * alpha.c: Likewise.
- * arm/aof.h: Likewise.
- * arm/coff.h: Likewise.
- * arm/elf.h: Likewise.
- * arm/pe.h: Likewise.
- * arm/tcoff.h: Likewise.
- * arm/telf.h: Likewise.
- * arm/tpe.h: Likewise.
- * arm/vxarm.h: Likewise.
- * convex/convex.c: Likewise.
- * i386/dgux.c: Likewise.
- * i386/sun386.h: Likewise.
- * m88k/m88k.c: Likewise.
- * mcore/mcore-pe.h: Likewise.
- * mips/mips.h: Likewise.
- * romp/romp.h: Likewise.
- * sh/sh.c: Likewise.
- * cpphash.c: Likewise.
- * cppinit.c: Likewise.
- * dwarf2out.c: Likewise.
- * dwarfout.c: Likewise.
- * gcc.c: Likewise.
- * gcc.h: Likewise.
- * mips-tfile.c: Likewise.
- * protoize.c: Likewise.
- * toplev.c: Likewise.
- * tree.h: Likewise.
-
- * version.c (version_string): Constify a char*.
-
- * version.h: New file.
-
-2000-02-14 Nick Clifton <nickc@cygnus.com>
-
- * configure.in: Add mcore-elf and mcore-pe targets.
- * configure: Regenerate.
-
- * NEWS: Add note that MCore port has been contributed.
-
- * invoke.texi: Document command line switches for MCore port.
- * install.texi: Add MCore to list of supported targets.
-
-2000-02-14 Geoff Keating <geoffk@cygnus.com>
-
- * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
- then we will need to import the frame handling functions.
- (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
- to import the frames themselves.
-
-Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
- Jason Eckhardt <jle@cygnus.com>
-
- * basic_block.h: Added prototype for reorder_basic_blocks.
- * toplev.c: Changes to add -freorder-blocks and graph dump after
- block reordering is done.
- * flow.c (reorder_block_def): New structure for use during block
- reordering.
- (REORDER_BLOCK_*): New macros to access members of above structure.
- (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
- make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
- functions for block reordering.
-
-Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * gcc.texi (Passes): Fix typo.
- * md.texi (Standard Names): Ditto.
- * tm.texi (Storage Layout): Ditto.
-
-2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (do_define): Only free the old definition if it
- actually had one.
-
-2000-02-13 Neil Booth <NeilB@earthling.net>
-
- * cppfiles.c (read_and_prescan): When emitting deferred
- newlines, test speccase[] again instead of checking each
- possible whitespace character in turn. When we encounter \r,
- look behind for \n first, then ahead.
-
-2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * cse.c (cse_altered): New internal flag.
- (cse_insn): Set it if we changed an insn.
- (cse_main): Clear cse_altered before each basic block.
- Only garbage collect if cse_altered is true afterward.
-
-Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
-
- * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
-
-Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
-
- * combine.c (simplify_comparison): Fix typo.
-
-Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
-
- * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
- consistently.
-
-2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
- previously inserted node instead of root node. Caller changed.
-
-2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
-
-2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
- __dereg_frame_dtor): Add prototype argument.
-
- * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
-
- * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
-
- * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
-
- * gthr-vxworks.h (__gthread_once): Likewise.
-
- * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
-
-Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
- (ix86_expand_epilogue): ... here. Use mov instead of add to restore
- stack pointer in functions w/o saved registers, output LEAVE more often
- on TARGET_USE_LEAVE machines.
-
-2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
-
- * config/arm/arm.c (arm_init_cumulative_args); New function:
- Initlaise the CUMULATIE_ARGS strcuture for a function
- defintion.
- (arm_function_arg): New function: Determine where to place a
- function's argument. Also handles deciding the function's
- call cookie.
- (current_file_function_operand): New function: Return true if
- the symbol is a function which has already been compiled.
- (arm_is_long_call_p): New function: Return true if the
- indicated function should be called via a long call.
- (arm_valid_type_attribute_p): New function: Return true if the
- attribute is a valid, arm specific, attribute.
- (arm_comp_type_attribute): New function: Return true if the
- two types have compatable, arm specific, attributes.
-
- * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
- structure.
- (FUNCTION_ARG): Redefine to call arm_function_arg.
- (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
- structure field.
- (INIT_CUMULATIVE_ARGS): Redefine to call
- arm_init_cumulative_args.
- (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
- field.
- (SETUP_INCOMING_VARARGS): Redefine to use correct structure
- field.
- (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
- functions.
- (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
- (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
- (COMP_TYPE_ATTRIBUTES): Define.
-
- * config/arm/arm.md (call): Call arm_is_long_call_p to decide
- if a long call is needed.
- (call_value): Call arm_is_long_call_p to decide if a long call
- is needed.
- (call_symbol): Call arm_is_long_call_p to decide if a long call
- is needed.
-
- * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
-
-2000-02-11 Denis Chertykov <denisc@overta.ru>
-
- * README.AVR: New file with information about the avr ports.
- * config/avr: New directory with avr port files.
-
-2000-02-11 Andreas Jaeger <aj@suse.de>
-
- * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
-
-2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c: Fix formatting, update commentary.
- (dump_definition): Take three separate arguments instead of a
- MACRODEF structure argument.
- * cpphash.h: Update prototype of dump_definition.
- * cppinit.c (cpp_finish): Update call of dump_definition.
-
- * cpplib.c (do_define): Always create new hash entry with
- T_MACRO type. Remove redundant check for redefinition of
- poisoned identifier. Update call of dump_definition.
- (do_undef): Don't call check_macro_name. Rename sym_length to
- len.
- (do_error, do_warning): Don't use copy_rest_of_line or
- SKIP_WHITE_SPACE.
- (do_warning): Don't use pedwarn for the actual warning,
- only the notice about its not being in the standard. (Fixes
- bug with #warning in system headers.)
- (do_ident): Stricter argument checking - accept only a single
- string after #ident. Also, macro-expand the line.
- (do_xifdef): Use cpp_defined. De-obfuscate.
-
- (do_pragma): Split out specific pragma handling to separate
- functions. Use get_directive_token. Update commentary. Do
- not pass on #pragma once or #pragma poison to the front end.
- (do_pragma_once, do_pragma_implementation, do_pragma_poison,
- do_pragma_default): New.
-
-Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
-
- * jump.c (jump_optimize_1): The first operand in a relational
- can be a CONST_INT.
- * optabs.c (emit_conditional_move): Handle relationals which
- have a known true/false result.
-
-2000-02-11 Geoff Keating <geoffk@cygnus.com>
-
- * function.c (thread_prologue_and_epilogue_insns): Don't insert
- a RETURN insn into a block which already ends with a jump.
-
-2000-02-11 Geoff Keating <geoffk@cygnus.com>
-
- * haifa-sched.c (BUF_LEN): Increase a lot.
-
-2000-02-11 Nick Clifton <nickc@cygnus.com>
-
- * configure.in: Add tm_p_file specification for thumb targets.
- * configure: Regenerate.
-
- * config/arm/thumb-protos.h: New file: Prototypes for exported
- functions defined in thumb.c.
-
-2000-02-11 Robert Lipe <robertl@sco.com>
-
- * Makefile.in (bootstrap-lean): Remove additional files.
- (bootstrap2-lean): Likewise.
- (VOL_FILES): List of files for above.
-
-2000-02-11 Nathan Sidwell <nathan@acm.org>
-
- * cpphash.c (special_symbol): Remove spurious argument to
- cpp_lookup.
-
-2000-02-11 Joel Sherrill (joel@OARcorp.com>
-
- * configure.in: (i*86-*-rtems*): Swapped elf and coff
- stanzas.
- * configure: Rebuilt.
-
-2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
-
- * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
-
-Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
-
- * pa.c, pa.h: Remove trigraph sequences within comments.
-
-Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
-
- * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
-
-Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
-
- * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
-
-2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
-
-2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
- (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
- (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
- (ASM_FILE_END): Use c4x_file_end.
- * config/c4x/c4x.c (c4x_global_label): New function.
- (c4x_external_ref, c4x_file_end): Likewise.
-
- * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
- (c4x_external_ref, c4x_end_file): Likewise.
-
-2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppexp.c: Don't include cpphash.h.
- (parse_charconst, cpp_lex): Use cpp_defined.
- (cpp_lex): Use get_directive_token throughout. Remove
- unnecessary cases from switch. Move assertion-handling code
- down to OTHER case.
- (cpp_parse_expr): If we see '+' or '-', check the context to
- determine if they are unary or binary operators. Streamline
- the jumps a bit. Do not call skip_rest_of_line.
-
- * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
- static. Export get_directive_token. Update commentary.
- (cpp_defined): New function.
- (do_define): Remove reference to T_PCSTRING. Call
- free_definition to release memory for old definition, when
- redefining a macro.
- (eval_if_expression): Set only_seen_white to 0 before calling
- cpp_parse_expr. Call skip_rest_of_line after it returns.
- (cpp_read_check_assertion): Don't preserve a pointer into the
- token buffer across a call to cpp_get_token.
-
- * Makefile.in (cppexp.o): Don't depend on cpphash.h.
- * cppfiles.c (redundant_include_p): Use cpp_defined.
- * cpphash.c (free_definition): New function.
- (delete_macro): Use it. Update commentary.
- * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
- free_definition.
- * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
- from enum node_type. Prototype cpp_defined and get_directive_token.
- Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
-
- * fix-header.c (check_macro_names): Use cpp_defined.
- (read_scan_file): Set inhibit_warnings and inhibit_errors in
- the options structure.
-
-2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
-
-2000-02-10 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
- rather than die->die_tag.
-
-Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * combine.c (make_extraction, force_to_mode): Avoid warning on
- mixed-signedness conditionals.
- (make_field_assignment, nonzero_bits): Likewise.
- * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
- (store_split_bit_field, extract_split_bit_field): Likewise.
- (extract_fixed_bit_field, store_bit_field,
- * expr.c: Change alignment to be unsigned everywhere.
- (move_by_pieces, store_constructor_field, store_constructor):
- Alignment parm is unsigned.
- (emit_block_move, emit_group_load, emit_group_store): Likewise.
- (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
- (do_compare_rtx_and_jump): Likewise.
- (move_by_pieces_ninsns, clear_by_pieces): Likewise.
- Compare align with GET_MODE_ALIGNMENT.
- (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
- (get_inner_reference): Likewise.
- (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
- (expand_assignment): Local vars for alignment now unsigned.
- (store_constructor, store_field, expand_expr, do_jump): Likewise.
- (do_compare_and_jump): Likewise.
- (store_field): Call new function expr_align.
- * expr.h (emit_block_move, emit_group_load, emit_group_store):
- Alignment arg now unsigned.
- (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
- (do_compare_rtx_and_jump, store_bit_field): Likewise.
- (extract_bit_field): Likewise.
- * fold-const.c (add_double): Add cast to eliminate signedness warning.
- * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
- (get_best_mode): Alignment arg is unsigned.
- * rtl.h (move_by_pieces): Likewise.
- * store-layout.c (maximum_field_alignment, set_alignment):
- Now unsigned.
- (layout_decl): Alignment arg is now unsigned.
- Remove unneeded casts.
- (layout_record, layout_union, layout_type): Remove unneeded casts.
- Local alignment variables now unsigned.
- (get_best_mode): Alignment arg now unsigned.
- * tree.c (expr_align): New function.
- * tree.h (expr_align): Likewise.
- (maximum_field_alignment, set_alignment): Now unsigned.
- (get_inner_reference): Alignment argument is now pointer to unsigned.
- * varasm.c (assemble_variable): Add cast to eliminate warning.
-
-Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
-
- * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
- then store directly into op0.
-
- * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
- the CALL_INSN, and emit the note immediately after it.
-
-2000-02-10 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/thumb.md (epilogue): Include a (return) in the
- generated insn, and emit it using emit_jump_insn not
- emit_insn.
-
-Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * function.c (assign_temp): Change zero-sized arrays to size 1.
- * integrate.c (expand_inline_function): Do not update
- stack_alignment_needed
- * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
- add some sanity checking, remove optimization for function with
- zero frame size.
-
-2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * flow.c (mark_regs_live_at_end): Delete unused variables.
-
- * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
-
- * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
- in macro FRAME_GROWS_DOWNWARD.
-
- * stmt.c (expand_end_bindings): Delete unused variable.
-
- * unroll.c (iteration_info): Mark parameter `loop' with
- ATTRIBUTE_UNUSED.
-
-2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * fixinc/server.c (load_data): Return NULL if the marker line is
- not found.
- (run_shell): If load_data returns NULL, retry the command once, in
- a new shell.
-
- * configure: Rebuilt.
-
-2000-02-09 Bruce Korb <bkorb@gnu.org>
-
- * gcc/fixincludes: ** DELETED **
- * gcc/fixcpp: ** DELETED **
- * gcc/fixinc-nt.sed: ** DELETED **
- * gcc/just-fixinc: ** DELETED **
- * gcc/Makefile.in: Removed out-dated commentary
- * gcc/configure.in: Removed fast-fixincludes disablement.
- * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
-
-2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
- * function.c (thread_prologue_and_epilogue_insns): Uncomment
- last change.
-
-2000-02-09 Richard Henderson <rth@cygnus.com>
-
- * jump.c (delete_insn): Don't delete user labels at -O0.
-
-2000-02-09 Robert Lipe <robertl@sco.com>
-
- * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
- Don't link with HOST_LIBS.
-
-2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * configure.in: Correct --help text for --with-dwarf2.
- Put tm-dwarf2.h after other tm files, if it's requested.
- * configure: Regenerate.
- * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
- defining it.
-
-2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h: Provide HASHNODE typedef and forward decl of
- struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
- DEFINITION, struct hashnode, struct macrodef, struct
- definition, scan_decls prototype, default defn of
- INCLUDE_LEN_FUDGE moved elsewhere.
-
- * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
- definition, and struct hashnode moved here. Remove the unused
- 'predefined' field from struct definition. Replace the 'args'
- union with its sole member. All users updated (cpphash.c).
- Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
- multiple include guard.
-
- * cpphash.c (hashf): Make static; use better algorithm; drop
- HASHSIZE parameter; return an unsigned int.
- (cpp_lookup): Drop HASH parameter. PFILE parameter is
- used. Calculate HASHSIZE modulus here.
- (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
- here.
- (create_definition): Drop PREDEFINITION parameter.
- * cpplib.c (do_define): Don't calculate a hash value here.
- Don't pass (keyword == NULL) to create_definition.
-
- * scan.h: Prototype scan_decls here.
- * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
- * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
- callers of cpp_lookup and cpp_install updated.
-
- * cpphash.c (macarg): Hoist all the flag diddling out of the
- function...
- (macroexpand): ... and out of the loop that calls macarg.
- Skip over the initial paren before macro arguments with
- cpp_get_non_space_token; point may be some distance before
- that paren. Abort if it's not there.
-
- * cpplib.c (parse_clear_mark): Delete function.
- (parse_set_mark, parse_goto_mark): Make static.
- (ACTIVE_MARK_P): New macro.
- (skip_block_comment, skip_line_comment): Do not bump the line
- if ACTIVE_MARK_P is true.
- (cpp_pop_buffer): The buffer to be popped may not have an
- active mark.
- (cpp_get_token): When looking for the initial paren before
- macro arguments, only set a mark in a file buffer, Always
- return to that mark before proceeding to call macroexpand or
- return a NAME token.
-
- * cpplib.h: Remove prototypes of parse_set_mark,
- parse_clear_mark, parse_goto_mark.
- (struct cpp_options): Rename 'put_out_comments' to
- 'discard_comments' and invert its sense.
- * cppinit.c, cpphash.c, cpplib.c: All users of
- put_out_comments changed to use discard_comments, with
- opposite sense.
-
-2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
-
- * function.c (thread_prologue_and_epilogue_insns): Don't delete
- the edge from a block that both jumps and falls through to the
- fallthru block.
-
-2000-02-09 Scott Bambrough <scottb@netwinder.org>
-
- * config/arm/arm.md (movsi): In PIC mode, make sure that a
- constant source address is legitimate.
-
-2000-02-09 Philip Blundell <pb@futuretv.com>
-
- * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
- correctly.
-
- * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
- generating PIC.
- (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
-
-2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
- ends with a newline and a NUL. Don't be so clever manipulating
- strings.
-
-Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
- not to BIGGEST_ALIGNMENT.
-
-2000-02-08 Geoff Keating <geoffk@cygnus.com>
-
- * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
- * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
- (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
- (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
- * frame.c (execute_cfa_insn): Handle
- DW_CFA_GNU_negative_offset_extended.
-
-2000-02-08 Richard Henderson <rth@cygnus.com>
-
- * flow.c (tidy_fallthru_edges): Split out from ...
- (delete_unreachable_blocks): ... here.
- (find_basic_blocks): Use it.
-
-Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
-
-2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
- (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
- (fix-header.o): Don't depend on cpphash.h.
-
- * scan.c (hashstr): New function.
- * scan.h: Prototype it.
- * fix-header.c: Don't include cpphash.h. Use hashstr.
- * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
- hashstr. Report hash table statistics. Add private
- definition of xrealloc.
-
-2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * i386.h (TARGET_SWITCHES): Fix typo in option name.
-
-2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
-
- * function.c (thread_prologue_and_epilogue_insns): Don't replace
- jumps with returns unless they are jumps to the fallthru block.
-
-Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (addqi3_cc): Fix contraints.
-
-Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
-
-2000-02-07 Mark Mitchell <mark@codesourcery.com>
-
- * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
- carriage return after a macro name.
-
-2000-02-07 Fred Fish <fnf@be.com>
-
- * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
- so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
-
-2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (deps_output): Count spacers in deps_column.
-
-2000-02-07 Neil Booth <NeilB@earthling.net>
-
- * cppinit.c (initialize_dependency_output): If there is no
- suffix, don't try to look for known suffixes. Use strrchr.
- (cpp_start_read): Remove duplicate initialization.
-
-Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * calls.c (compute_argument_block_size): New argument
- preferred_stack_boundary.
- (expand_call): update cfun->preferred_stack_boundary, update call of
- compute_argument_block_size
- (emit_library_call): Increate cfun->preferred_stack_boundary
- to PREFERRED_STACK_BOUNDARY
- (emit_library_call_value): Likewise.
- * explow.c (allocate_dynamic_stack_spave): Likewise.
- * function.c (prepare_function_start): Set
- cfun->preferred_stack_boundary
- * function.h (struct function): Add preferred_stack_boundary field.
- * integrate.c (expand_inline_function): Update
- cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
- (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
- * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
-
-2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
- cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
- cpp_pedwarn, cpp_pedwarn_with_line,
- cpp_pedwarn_with_file_and_line): Move to cpperror.c.
- (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
- v_cpp_error_with_line, v_cpp_warning_with_line,
- cpp_message_from_errno, cpp_perror_with_name): Delete.
-
- * cpperror.c (cpp_print_containing_files): Take starting
- buffer as argument.
- (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
- (v_cpp_message): Now called directly by all entry points.
- Remove -1 case.
- (cpp_pfatal_with_name, cpp_message): Delete.
- (cpp_notice_from_errno, cpp_ice): New functions.
- (cpp_notice): Is now for reporting error conditions, just
- without an associated file.
- (cpp_error, cpp_error_with_line): Don't do anything if
- opts->inhibit_errors is on.
- (cpp_pedwarn_with_file_and_line): Take column argument also.
-
- * cpplib.h: Update prototypes of exported functions.
- (struct cpp_options): Add inhibit_errors.
-
- * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
- non-error messages. Include intl.h.
-
- * cppinit.c, cppmain.c: Likewise. Also, use
- cpp_notice_from_errno instead of cpp_perror_with_name or
- cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
-
- * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
- report internal errors.
-
- * cpplib.c (do_define): Switch bcopy to memcpy.
- Give cpp_pedwarn_with_file_and_line a dummy column argument.
-
- * cpplib.c (copy_rest_of_line): Revert previous change: don't
- bail out early if we hit a line comment.
-
-2000-02-06 Richard Henderson <rth@cygnus.com>
-
- * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
- * basic-block.h: Declare them.
- * emit-rtl.h (active_insn_p): New.
- (next_active_insn, prev_active_insn): Use it.
- * rtl.h: Declare it.
- * function.c (emit_return_into_block): New.
- (thread_prologue_and_epilogue_insns): Insert return insns instead
- of epilogues when possible.
- * jump.c (jump_optimize_1): Remove code to insert a return insn
- on the fallthru to the exit block.
-
- * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
- and for non-empty stack frames.
- * i386.md (return): Expand to return-pop as needed.
-
-2000-02-06 Richard Henderson <rth@cygnus.com>
-
- * simplify-rtx.c (simplify_relational_operation): Canonicalize
- constant to op1 for testing.
-
-2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
- (fixuns_truncqfqi2): Use it.
-
-2000-02-06 Richard Henderson <rth@cygnus.com>
-
- * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
- as a TYPE_LEA insn.
-
- * i386.md (widening and peepholes): Mask the constant instead of
- using gen_lowpart.
-
-2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
- input pointer before possibly branching off to the backslash
- code.
- * cpphash.c (macroexpand): Correctly delete \r escapes when
- stringifying parameters.
- * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
- if we can; bail out early if we hit a line comment.
- (handle_directive): Treat '# 123' in an .S file just like
- '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
- Return 1 for '# not_a_directive'.
- (get_directive_token): Pop macro buffers here, so that
- cpp_get_token can't sneakily move past a newline.
- Add sanity checks.
- (cpp_get_token): goto randomchar if handle_directive returns 0.
-
- * cppalloc.c: Update copyright.
- * cpplib.c: Merge all the static function prototypes into one
- block.
- * cpplib.h: Remove #if 0 block.
-
- * cpperror.c: Remove #ifdef EMACS block.
- * cppmain.c: Likewise.
- * cpphash.c: Remove #if 0 blocks.
- * cppinit.c: Remove #if 0 blocks, and the -lint option.
- * cpplib.c: Remove #if 0 blocks and code referencing
- pcp_inside_if or for_lint. Remove duplicate error message.
- Fix error messages for #else after #else or #elif. Reformat.
- Remove archaic TODO list.
- * cpplib.h: Remove pcp_inside_if and for_lint flags.
-
-2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
-
- * i386/osf1elf.h: Add missing backslash to multiline string.
-
-2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
-
-2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (c-common.o): Depend on $(EXPR_H).
-
- * c-common.c: Include expr.h.
-
- * c-pragma.c (mark_align_stack): Add prototype.
-
- * caller-save.c (add_stored_regs): Likewise.
-
- * combine.c (record_promoted_value): Likewise.
-
- * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
- Likewise.
-
- * cppinit.c (new_pending_define): Likewise.
-
- * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
-
- * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
- AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
- AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
- class_scope_p): Likewise.
-
- * dwarf2out.h (dwarf2out_set_demangle_name_func,
- dwarf2out_add_library_unit_info): Likewise.
-
- * ggc.h (ggc_page_print_statistics): Likewise.
-
- * haifa-sched.c (propagate_deps): Likewise.
-
- * reg-stack.c (next_flags_user, record_label_references): Likewise.
-
- * rtl.h (set_stack_check_libfunc): Likewise.
-
- * toplev.h (set_fatal_function): Likewise.
-
- * toplev.c (set_fatal_function): Delete prototype.
-
- * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
-
-2000-02-05 Geoff Keating <geoffk@cygnus.com>
-
- * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
- (FUNC_END): Likewise.
-
-2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * caller-save.c: Include tm_p.h.
-
-2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
-
-2000-02-04 Neil Booth <NeilB@earthling.net>
-
- * cccp.c (main): Check 'dir' for a NULL pointer before passing
- it to strcmp.
-
-2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
-
- * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
- * genflags.c: Use the max_operand_1 logic from genemit.c to
- calculate how many arguments gen_insn prototypes have. Remove
- NO_MD_PROTOTYPES ifdefs from the generated file.
- * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
- file. Cast gen_insn initializers to insn_gen_fn.
- * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
- * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
-
-2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc/Makefile.in (HDR): Add machname.h.
- (clean): Likewise.
-
-2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
- (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
- (c4x_cpu_version): Ditto.
- * config/c4x/c4x-protos.h: ... here.
-
-2000-02-04 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c (add_abstract_origin_attribute): Don't call
- gen_abstract_function on our context if we're a nested function.
-
-2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
- * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
-
-2000-02-04 Bruce Korb <bkorb@gnu.org>
-
- * fixinc/genfixes(machname.h):
- Move the functionality from gen-machine.h into this file.
- UNdef MN_NAME_PAT if there are no names to change.
- Also, be a little kinder when AutoGen is not present.
-
- * fixinc/Makefile.in(machname.h):
- Change the generation rule to use genfixes.
-
- * fixinc/fixfixes.c(machine_name):
- machine_name_fix's functionality now dependent upon whether
- MN_NAME_PAT is defined.
-
- * fixinc/fixtests.c(machine_name):
- ditto.
-
- * fixinc/fixlib.c(mn_get_regexps): conditional on definition
- of MN_NAME_PAT.
-
- * fixinc/fixlib.h(mn_get_regexps):
- ditto
-
- * fixinc/gen-machine.h: DELETED
-
-2000-02-04 Jan Hubicka <jh@suse.cz>
- Richard Henderson <rth@cygnus.com>
-
- * i386.c (SAVE_REGS_FIRST): Remove.
- (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
- (ix86_compute_frame_size): Likewise.
- (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
- (ix86_emit_restore_regs): Remove.
- (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
- when a frame pointer is in use.
- (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
- instead of pop to restore a register when profitable; emit leave
- when profitable.
- (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
- as a TYPE_LEA insn.
- (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
- * i386.md (prologue_allocate_stack): Remove.
- (epilogue_deallocate_stack): Remove.
- (pro_epilogue_adjust_stack): New.
-
-2000-02-04 Richard Henderson <rth@cygnus.com>
-
- * function.c (diddle_return_value): Rework to use a callback function.
- Use current_function_return_rtx if it's been set up.
- (do_clobber_return_reg, clobber_return_register): New.
- (do_use_return_reg, use_return_register): New.
- (expand_function_end): Use them.
- * stmt.c (expand_null_return): Likewise.
- * function.h: Declare them.
- * flow.c (mark_regs_live_at_end): Use diddle_return_value.
- (mark_reg): Change arguments as appropriate for callback.
- * integrate.c (expand_inline_function): Revert 19 Jan change.
-
-Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * tm.texi (Values in Registers): Fix typo: "fo" "for".
- (Misc): Say the scheduler, not the Haifa scheduler.
-
-2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
-
- * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
- when in_mem is set. Update all callers.
-
-2000-02-04 Richard Henderson <rth@cygnus.com>
-
- * i386/openbsd.h (INT_ASM_OP): Define.
-
-Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * tm.texi: Fix various typos.
-
-Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
-
- * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
- (MD_STARTFILE_PREFIX_1): New macro.
-
-Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
- destination when needed.
- (strmovsi, strsetsi): New expander.
- (strmovsi_1, strsetsi_1): New pattern.
- * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
- TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
- (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
- * invoke.texi (align-stringops, inline-all-stringops): Document.
-
-Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
-
- * i386/netbsd.h (INT_ASM_OP): Define.
-
-2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (cpp_reader): Add new flag, no_directives.
- * cpphash.c (macarg): Set it.
- * cpplib.c (handle_directive): If no_directives is on and we
- find a directive, issue an error and discard the line.
-
-Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
-
- * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
- FP constants. Add ! TARGET_FPU check for FP constants.
-
-2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
-
- * flow.c (find_basic_blocks): Don't kill label_value_list
- here.
- (cleanup_cfg): Kill it here.
-
-Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (store_field): Ensure ALIGN is no stricter than the
- alignment of EXP.
-
-2000-02-02 Richard Henderson <rth@cygnus.com>
-
- * jump.c (delete_insn): Partially revert 19 Jan change;
- don't convert unused code labels to notes at -O0.
-
-2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
- split_all_insns to recreate REG_LABEL notes for flow2 pass.
-
-2000-02-01 Richard Henderson <rth@cygnus.com>
-
- * i386.c (general_no_elim_operand): New.
- (nonmemory_no_elim_operand): New.
- (ix86_expand_move): Copy eliminable operands before a push.
- * i386-protos.h: Declare new functions.
- * i386.h (CAN_ELIMINATE): Simplify.
- (PREDICATE_CODES): Update.
- * i386.md (push insns): Don't allow eliminable register operands.
-
-2000-02-01 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_regs_live_at_end): Follow expand_function_end and
- replace BLKmode with DECL_RTL's mode.
-
-2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
-
- * frame.c (find_fde): Convert for loop to do-while so compiler
- sees it's always executed at least once.
- * libgcc2.c (BBINBUFSIZE): Kill.
- (__bb_init_prg): Use fgets.
- (__bb_exit_trace_func): Don't paste strings.
- * unroll.c (unroll_loop): Initialize unroll_type, not
- unroll_number, and tweak logic to match.
-
- * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
- all failure paths.
- (ix86_flags_dependant): Likewise. Disentangle control flow.
- (ix86_sched_reorder): Break guts out to
- ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
- (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
- any possible use.
-
- * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
- use string concatenation. Don't save and restore esi.
-
- * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
- (machname.h): Remove script to separate file. Use two-step
- sequence so target is not created if script fails.
- * fixinc/gen-machname.h: New file. Handle case where no non-reserved
- identifiers are defined.
- * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
- an empty string, machine_name doesn't need to do anything at
- all.
- (is_cxx_header): Add more cases to regexp.
- * fixinc/fixlib.h: Update prototype.
- * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
- mn_get_regexps.
- * fixinc/fixincl.c: Define NO_BOGOSITY.
-
- * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
- (hp_sysfile): Add missing comma.
- (math_exception): Put the wrapper ifdefs at the beginning and
- the end of the file.
- * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
-
-2000-02-01 Richard Henderson <rth@cygnus.com>
-
- * sparc.c (fp_zero_operand): Turn into a normal predicate.
- Use CONST0_RTX. Update all callers.
- * sparc.h, sparc-protos.h: Update accordingly.
- * sparc.md (fp mov insns): Use fp_zero_operand directly
- where applicable.
-
-Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
- example.
-
-2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (specs.ready): New target.
- (fixinc.sh): Depend on `specs.ready' instead of `specs'.
-
-2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * fixinc.irix: Use unique filenames for writing into /tmp,
- * fixinc.ptx: Likewise.
- * fixinc.sco: Likewise.
- * fixinc.svr4: Likewise.
- * fixinc.winnt: Likewise.
-
-2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * tsystem.h: New file.
-
- * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
- s-crtS): Depend on tsystem.h.
-
- * crtstuff.c: Include tsystem.h.
- * frame.c: Likewise.
- * libgcc2.c: Likewise.
-
-Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
-
- * builtins.c (expand_builtin_memset): Expand for variable sized
- lengths too.
-
-2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
-
- * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
- on ABI.
-
-Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
-
- * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
-
-2000-01-31 Chandra Chavva <cchavva@cygnus.com>
-
- * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
- case 3->2 combining (combining with splitting) in which 2 is CC0
- setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
- checked at the begining of the function with the aid of calling
- function 'can_combine_p'.
-
-2000-01-31 Dave Brolley <brolley@redhat.com>
-
- * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
-
-2000-01-31 Jason Merrill <jason@casey.cygnus.com>
-
- * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
- new label.
-
-2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
-
- * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
- PROTO -> PARAMS.
-
-2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
-
- * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
- i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
- i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
- i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
- i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
- i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
- i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
- i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
- i386/vxi386.h, i386/win-nt.h, i386/win32.h:
- Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
-
- * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
- Add %(cpp_cpu) to CPP_SPEC.
-
- * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
- Add %(cc1_cpu) to CC1_SPEC.
-
-2000-01-28 Ulrich Drepper <drepper@redhat.com>
-
- * c-decl.c (c_decode_option): Accept optional numeric argument to
- -Wformat and set warn_format.
- * c-common.c: Don't emit warning about non-constant printf format
- string unless warn_format > 1.
-
-2000-01-30 Richard Henderson <rth@cygnus.com>
-
- * alpha.md (return_internal): Allow after reload only.
-
-2000-01-30 Richard Henderson <rth@cygnus.com>
-
- * i386.c (ix86_compute_frame_size): Omit padding1 if the
- local frame size is zero.
-
-2000-01-30 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
- * alpha.h (EPILOGUE_USES): New. Mark $26 live.
- * alpha.md (return): Turn into an expander.
- (return_internal): Don't use $26.
- (epilogue): Emit the return insn.
-
-2000-01-30 Richard Henderson <rth@cygnus.com>
-
- * alpha.md (negtf2, abstf2): Fix word order thinko.
- (extendsftf2): New.
- (trunctfsf2): Avoid intermediate rounding errors.
-
-2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppfiles.c (find_position): Drop 'colp' argument, return the
- new line base.
- (read_and_prescan): Adjust to match. Don't ever manipulate
- line or line_base except via find_position.
-
-2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-parse.in: Apply Ulrich's changes from c-parse.y.
- * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
- Regenerate.
-
-2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
- just print "<command line>". If 'filename' is null or an
- empty string, print "<stdin>" for the filename.
- * cpplib.c (do_define): Don't print the 'location of the
- previous definition' message if we're still parsing the
- command line.
- (cpp_pedwarn_with_file_and_line): Always call
- cpp_file_line_for_message.
-
-2000-01-29 Mark Mitchell <mark@codesourcery.com>
-
- * flow.c (mark_regs_live_at_end): Fix typo.
-
-2000-01-28 Ulrich Drepper <drepper@redhat.com>
-
- * c-common.c: Adjust variable names, comments, help strings to c99.
- * c-lex.c: Likewise.
- * c-parse.y: Likewise.
- * c-tree.h: Likewise.
- * cccp.c: Likewise.
- * cpplib.h: Likewise.
- * c-decl.c: Likewise. Recognize options with names "*99" as well.
- * cppinit.c: Likewise.
-
-2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
- * c4x.c: Define the optab rtx values.
- (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
- (c4x_emit_libcall): Use new optab rtx values.
- (c4x_emit_libcall3): Likewise.
- (c4x_emit_libcall_mulhi): Likewise.
- * c4x-protos.h: Add prototypes for optab rtx values and change
- prototypes for above c4x_emit_libcall functions.
-
-2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * c4x.c (c4x_output_ascii): Restrict line length of output when TI
- syntax is used.
- (c4x_function_prologue): Use regnames intead of float_reg_names when
- TI syntax is used.
- (c4x_function_epilogue): Likewise.
- (c4x_print_operand): Likewise.
- * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
- * c4x.md (set_high): Disable for TARGET_TI.
-
-2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
- of framepointer + constant to ADDR_REGS class.
- * c4x.md (addqi3, addqi3_noclobber_reload): Update.
- * c4x.c (std_or_reg_operand): New function.
- * c4x-protos.h (std_or_reg_operand): Prototype it.
-
-2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
-
- * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
- object names as libgcc2.c.
- * libgcc.S: Use newly defined names.
-
-Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
- * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
- function.
- * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
- * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
- (FLOW_LOOP_LAST_BLOCK): Likewise.
-
-2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * basic-block.h (struct loop): New fields 'first' and 'last'.
- * flow.c (flow_loops_find): Compute loop->first and loop->last.
- (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
- and loop->last to check for NOTE_INSN_LOOP_END.
-
-Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
-
- * predict.c (estimate_probability): Use the new FIRST and LAST fields
- of the loop descriptor rather than HEADER and LATCH. Also added
- missing break statements as well making some coding style modifications
- as suggested by Michael Hayes.
-
-2000-01-28 Richard Henderson <rth@cygnus.com>
-
- * flow.c (find_basic_blocks): Remove do_cleanup argument.
- Break out that code ...
- (cleanup_cfg): ... here.
- (commit_one_edge_insertion): Detect a return instruction being
- emitted to an edge. Emit a barrier following; clear fallthru.
- (commit_edge_insertions): Verify CFG consistency.
- * function.c (expand_function_start): Kill unused variable.
- (expand_function_end): Likewise.
- (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
- to insert the epilogue.
-
- * gcse.c (gcse_main): Adjust for find_basic_blocks change.
- (delete_null_pointer_checks): Likewise.
- * output.h: Likewise.
- * reg-stack.c (reg_to_stack): Likewise.
- * toplev.c (rest_of_compilation): Likewise. Run
- thread_prologue_and_epilogue_insns after rebuilding the CFG.
-
-2000-01-28 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (flow.o): Revert 24 Jan change.
- * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
- FUNCTION_VALUE result to DECL_RESULT's mode.
-
- * haifa-sched.c (schedule_insns): Don't recompute reg info
- after reload.
-
-2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
-
- * configure.in: Make --enable-cpplib the default.
- * configure: Regenerate.
- * gcc.dg/990119-1.c: No longer expected to fail.
-
-2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * jump.c (jump_optimize_1): Delete an optimization that is also done
- by merge_blocks in flow.
-
-2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * diagnostic.c (build_message_string, output_printf,
- line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
- (build_location_prefix): Fix non-literal format string.
-
-2000-01-27 Richard Henderson <rth@cygnus.com>
-
- * alpha.md (trunctfsf2): New.
-
-2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
-
- * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
-
-2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppinit.c (cpp_handle_option): Recognize C++ comments under
- -std=gnu89.
- * cpplib.c (skip_block_comment, skip_line_comment): Split code
- out of...
- (skip_comment) ... here. Permit C++ comments in system
- headers always. Warn about C++ comments in user code under
- -std=gnu89 -pedantic.
- (copy_comment): Use skip_comment.
- (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
- return EOF.
- (consider_directive_while_skipping, do_else, do_endif): Call
- validate_else unconditionally.
- (validate_else): Check CPP_PEDANTIC here. Accept non-comment
- text after the conditional in a system header.
- * cpplib.h (struct cpp_buffer): Add flag
- warned_cplusplus_comments.
-
-2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
-
- * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
- Use unshare_all_rtl_1.
- (unshare_all_rtl_again): New function.
- (unshare_all_rtl_1): New function split out of unshare_all_rtl.
-
- * function.c (purge_addressof_1): Use unshare_all_rtl_again
- rather than resetting the 'used' flags ourself.
-
- * toplev.c (rest_of_compilation): Add current_function_decl
- to the unshare_all_rtl call.
- * tree.h: Prototype unshare_all_rtl.
- * rtl.h: Prototype unshare_all_rtl_again here.
-
-2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
-
- * genoutput.c (output_prologue): Include ggc.h in generated
- files.
- * Makefile.in (insn-output.o): Depends on ggc.h.
-
-2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
- Hans-Peter Nilsson <hp@bitrange.com>
-
- * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
- Remove redundant include of xm-ns32k.h.
- * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
- Remove redundant include of xm-ns32k.h.
- * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
- Remove redundant include of xm-ns32k.h.
- * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
-
- * ns32k/ns32k.h: Update comment on multiply-add instructions.
- (TARGET_SWITCHES): Add documentation strings.
- (DWARF_FRAME_REGNUM): Override default definition.
- (REG_CLASS_CONTENTS): Add comments.
- (SUBSET_P): Format to reduce line length.
- (SMALL_REGISTER_CLASSES): Make a run time option.
- (GO_IF_NONINDEXED_ADDRESS): Reformat.
- (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
- dereferencing it. Braces to avoid "ambiguous else" were misplaced.
- (regclass_map): fix typo in comment.
- * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
- Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
- (trace, reg_or_mem_operand): Delete, unused function.
- (calc_address_cost): Small offsets are cheaper than large ones.
- (expand_block_move): Generate more efficient code when bytes is a
- known at compile time.
- * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
- (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
- instead of reg_or_mem_operand.
-
- * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
- not general_operand. Similarly use "=rm" or stricter, not "=g".
- For input operands, use stricter constraints than "g" if not
- general_operand. Similarly use stricter predicate than
- "general_operand" when stricter constraints than "g" are present,
- except for matching constraints.
- (movstrsi): Use "memory_operand" for operands 0 and 1.
- (truncsiqi2, truncsihi2, trunchiqi2): Remove.
- (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
- not reg_or_mem_operand.
- (udivmoddisi4): Ditto.
- Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
- Use nonimmediate_operand for operand 3, not register_operand.
- (udivmoddiqi4_internal): Use register_operand for operand 1, not
- reg_or_mem_operand.
-
-2000-01-27 Fred Fish <fnf@be.com>
-
- * gthr-posix.h: Fix typo; compatibily -> compatibility.
- * gthr-single.h: Likewise.
- * gthr-solaris.h: Likewise.
- * gthr-vxworks.h: Likewise.
- * gthr-win32.h: Likewise.
- * gthr.h: Likewise.
-
-2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
-
- * cppinit.c: Add " (cpplib)" to end of string printed by
- -v / --version.
-
-2000-01-27 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
- testing for a signed comparison.
- (alpha_emit_floatuns): New.
- * alpha-protos.h: Declare it.
- * alpha.md (floatunsdisf2, floatunsdidf2): New.
- (extendsfdf2): Tidy.
-
-2000-01-27 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
- no -g option specifying debugging format, default to -gstabs+.
-
-Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * calls.c (special_function_p): New argument fork_or_exec.
- (expand_call): When profile_arc_flag is set and the function
- is in the fork_or_exec group, call __bb_fork_func first.
- * libgcc2.c, _bb module (__bb_fork_func): New function.
- (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
- output file.
- * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
- * tree.h (special_function_p): Update prototype.
-
-2000-01-26 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_split_tfmode_pair): New.
- * alpha-protos.h: Declare it.
- * alpha.md (abstf2, negtf2): New.
- (movtf insn): Add input G constraint.
- (movtf splitter): Use alpha_split_tfmode_pair.
-
-2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * i386/cygwin.h: PROTO -> PARAMS.
-
-2000-01-26 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
- TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
- using _Qp_cmp/_Q_cmp and testing the return value.
- (print_operand): Call reverse_condition_maybe_unordered if
- we are handling CCFPmode or CCFPEmode.
- Handle ORDERED, UN* and LTGT comparisons.
- * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
- if not TARGET_HARD_QUAD.
- (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
- bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
- Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
- Adjust gen_b* calls so that they reflect return comparison of
- sparc_emit_float_lib_cmp.
-
-2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
- incoming operands array is large enough for one more operand.
- (alpha_emit_xfloating_arith): Likewise.
-
-2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
- file with one line and no trailing newline.
- Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
- * fixinc/fixtests.c (machine_name_test): Fix fencepost error
- checking if the match is on the line.
- * fixinc/gnu-regex.c: Provide regerror not __regerror.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * sparc.c (output_cbranch): Fix accidental squashing of the
- fp branch pre-delay nop.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * tree.def (UNNE_EXPR): Remove.
- * c-typeck.c (build_binary_op): Don't handle it.
- * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
-
- * rtl.def (UNNE): Remove.
- (LTGT): Add.
- * jump.c (reverse_condition): Update accordingly.
- (swap_condition): Likewise.
- (comparison_dominates_p): Handle unordered comparisons.
- (reverse_condition_maybe_unordered): New.
- * rtl.h (reverse_condition_maybe_unordered): Declare.
-
- * sparc.c (select_cc_mode): Update for UNNE/LTGT.
- (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
- * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
- * sparc.md (bltgt): New.
-
-2000-01-25 Nick Clifton <nickc@redhat.com>
-
- * emit-rtl.c (emit_insn): Only check machine class insns for
- improper emission of a RETURN.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * Makefile.in (flow.o): Depend on $(EXPR_H).
- * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
- duplicate the structure of diddle_return_value for keeping regs live.
-
-2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.c (current_loop_info): Delete.
- (consec_sets_invariant_p): Add loop argument, update callers.
- (get_condition_for_loop): Likewise.
- (count_nonfixed_reads, update_giv_derive): Likewise.
- (simplify_giv_expr, general_induction_var): Likewise.
- (consec_sets_giv, recombine_givs): Likewise.
- (move_movables): Delete loop_start and loop_end arguments,
- add loop argument, and update callers.
- (find_mem_givs, check_final_value): Likewise.
- (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
- (loop_invariant_p): Rename from invariant_p, add loop argument, and
- update callers.
- (basic_induction_var): Add loop argument, delete loop_level argument,
- and update callers.
- * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
- add loop argument, and update callers.
- (find_splittable_regs, find_splittable_givs): Likewise.
- (reg_dead_after_loop, loop_find_equiv_value): Likewise.
- (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
- (biv_total_increment): Delete loop_start and loop_end arguments;
- update callers.
- (precondition_loop_p): Delete loop_start and loop_info arguments;
- update callers.
- * loop.h (get_condition_for_loop): Add loop argument.
- (biv_total_increment): Delete loop_start and loop_end arguments.
- (precondition_loop_p): Delete loop_start and loop_info arguments;
- add loop argument.
- (final_biv_value): Delete loop_start and loop_end arguments;
- add loop argument.
- (final_giv_value, back_branch_in_range_p): Likewise.
-
-2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
-
- * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
-
-2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
-
- * Makefile.in (c-gperf.h) : Change the "See" pointer to
- point to the new "generated_files" doc.
-
-2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/fp-bit.c (_unord_f2): Fix typo.
-
-2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
-
- * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
- c-typeck.c, objc/objc-act.c: Remove all references to obstack
- functions obsoleted by GC, such as push_obstacks_nochange,
- end_temporary_allocation, savealloc, saveable_tree_cons, etc.
- and code which existed only to decide whether or not to call
- them. Remove now-unused NESTED argument from start_function;
- all callers changed. Do not change behavior based on ggc_p.
- The use of the ixp_obstack in c-iterate.c and the util_obstack
- in objc/objc-act.c remain; these are not obsoleted by garbage
- collection.
- * c-tree.h: Update prototype for start_function.
-
- * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
-
-2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.md (zero_extendsidi2_internal): Disable for
- mips16.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * sparc-protos.h (select_cc_mode): Declare.
- * sparc.c (select_cc_mode): New. Handle unordered compares.
- (output_cbranch): Always reverse via code change. Handle
- unordered compares. Factor tests and string updates.
- * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
- (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
- * sparc.md (bunordered, bordered): New.
- (bungt, bunlt, buneq, bunge, bunle): New.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
- * ggc-common.c (ggc_add_rtx_varray_root): New.
- (ggc_mark_rtx_varray): New.
- (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
- functions down below ggc_mark_foo.
- * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
-
-2000-01-25 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (secondary_reload_class): Don't allocate a secondary
- for integral mode memories into FLOAT_REGS. Rearrange the more
- complicated memory expression inward.
-
-2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
-
- * inclhack.def: Fixes to play nicer with FreeBSD, and
- corrections to comments.
- (cxx_unready): Add select expression.
- (irix_sockaddr): Add bypass expression.
- (machine_ansi_h_va_list): New fix.
- (stdio_va_list): No need to edit _BSD_VA_LIST_.
- Split out addition of "#include <stdarg.h>" to...
- (stdio_stdarg_h): ... here.
- (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
- to stdlib.h also. Do not munge _BSD_SIZE_T_.
- (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
- size_t.
- (ultrix_ifdef): Tighten up select expression.
-
- * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
- re_ct and max_mach to avoid use of shell. Make printed names
- match names in inclhack.def. Use static copyright date.
- Don't count c_test and test expressions as requiring regex_t
- slots. Add some commentary.
- * inclhack.tpl: Do not include the 'This script contains N
- fixup scripts' line if PROGRAM is defined. Use static
- copyright date.
-
-2000-01-24 Jason Merrill <jason@casey.cygnus.com>
-
- * dwarf2out.c: include "varray.h", not dyn-string.h.
- (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
- (addr_const_to_string, addr_to_string): Lose.
- (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
- (struct dw_val_struct): val_addr is now an rtx.
- (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
- (used_rtx_varray): New varray.
- (dwarf2out_init): Initialize it.
- (save_rtx): New fn.
- (mem_loc_descriptor, add_const_value_attribute): Call it instead of
- addr_to_string.
- * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
- sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
- * Makefile.in (dwarf2out.o): Update dependencies.
-
-2000-01-24 Richard Henderson <rth@cygnus.com>
-
- * i386.c (i386_dwarf_output_addr_const): New.
- * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
-
- * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
- if defined.
- * dwarfout.c (output_mem_loc_descriptor): Likewise.
- * i386.c (i386_simplify_dwarf_addr): New.
- * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
-
-Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
- TYPE_STUB_DECL is NULL.
-
-2000-01-24 Richard Henderson <rth@cygnus.com>
-
- * builtins.c (expand_tree_builtin): Move ...
- * c-common.c (expand_tree_builtin): ... here.
-
-2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.h (LOOP_INFO): New accessor macro.
- * basic-block.h (struct loop): Rename field `info' to `aux'.
- * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
- (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
- * unroll.c (loop_iterations, unroll_loop): Likewise.
-
-2000-01-24 Christopher Faylor <cgf@cygnus.com>
-
- * config/i386/t-cygwin: Accomodate new winsup directory layout
- when searching for include files.
-
-2000-01-24 Richard Henderson <rth@cygnus.com>
-
- * rtl.def: Add unordered fp comparisions.
- * tree.def: Likewise.
- * tree.h: Add ISO C 9x unordered fp comparision builtins.
-
- * builtins.c (expand_tree_builtin): New function.
- * c-typeck.c (build_function_call): Use it.
- (build_binary_op): Support unordered compares.
- * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
-
- * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
- (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
- * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
- (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
- * jump.c (reverse_condition): Don't abort for UNLE etc, but
- return UNKNOWN.
- (swap_condition): Handle unordered compares.
- (thread_jumps): Check can_reverse before reversing.
- * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
- reversed for FP.
-
- * optabs.c (can_compare_p): New argument CODE. Verify branch or
- setcc is present before acking for cmp_optab. Update all callers.
- (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
- * expmed.c (do_cmp_and_jump): Update for can_compare_p.
- * expr.c (expand_expr): Likewise. Support unordered compares.
- (do_jump, do_store_flag): Likewise.
- * expr.h (enum libfunc_index): Add unordered compares.
-
- * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
- (DPBIT_FUNCS): Add _unord_df.
- * config/fp-bit.c (_unord_f2): New.
- * fp-test.c (main): Try unordered compare builtins.
-
- * alpha-protos.h (alpha_fp_comparison_operator): Declare.
- * alpha.c (alpha_comparison_operator): Check mode properly.
- (alpha_swapped_comparison_operator): Likewise.
- (signed_comparison_operator): Likewise.
- (alpha_fp_comparison_operator): New.
- (alpha_emit_conditional_branch): Handle unordered compares.
- * alpha.h (PREDICATE_CODES): Update.
- * alpha.md (fp compares): Use alpha_fp_comparison_operator.
- (bunordered, bordered): New.
-
-2000-01-24 Richard Henderson <rth@cygnus.com>
-
- * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
- * alpha.md (movtf): New expander, insn, and splitter.
-
-Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
- dead registers.
-
-Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
- (FIXED_REGISTERS, CALL_USED_REGISTERS,
- REG_ALLOC_ORDER): Add frame pointer
- (FRAME_POINTER_REGNUM): Set to 20
- (HARD_FRAME_POINTER_REGNUM): New macro.
- (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
- to HARD_FRAME_POINTER.
- (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
- (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
- (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
- (HI_REGISTER_NAMES): Add "frame".
- (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
- (debug_reg): Handle FRAME_POINTER_REGNUM.
- (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
- GENERAL_REGS and INDEX_REGS.
- * i386.c (SAVED_REGS_FIRST): new macro.
- (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
- (ix86_decompose_address, memory_address_length): Likewise.
- (regclass_map): Add frame pointer.
- (call_insn_operand): Handle frame_pointer_rtx.
- (reg_no_sp_operand): Likewise.
- (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
- (print_operand, legitimize_pic_address): Fix formating.
- (ix86_compute_frame_size): Make static, update prototype, new
- parameters padding1, padding2, use ix86_nsaved_regs, use
- stack_alignment_needed.
- (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
- to HARD_FRAME_POINTER_REGNUM conversions.
- (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
- (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
- (print_reg): Abort on FRAME_POINTER_REGNUM
-
-Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.h (PREDICATE_CODES): Add aligned_operand.
- * i386.c (aligned_operand): New function.
- (ix86_aligned_p): Kill.
- * i386.md (movhi_1): Emit mov for aligned operands.
- (promoting peep2s): Use aligned_operand.
-
-2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
- expression to allow underscores in macro names.
- (fix_char_macro_defines): Increment scanning pointer.
-
-2000-01-23 Richard Henderson <rth@cygnus.com>
-
- * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
- * alpha/osf5.h: New file.
- * configure.in (alpha-*-osf5): Add it to tm_file.
-
- * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
-
- * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
- (alpha_emit_xfloating_cvt, function_arg): Declare.
- * alpha.c (alpha_emit_conditional_branch): Call
- alpha_emit_xfloating_compare for TFmode compares.
- (alpha_lookup_xfloating_lib_func): New.
- (alpha_compute_xfloating_mode_arg): New.
- (alpha_emit_xfloating_libcall): New.
- (alpha_emit_xfloating_arith): New.
- (alpha_emit_xfloating_compare): New.
- (alpha_emit_xfloating_cvt): New.
- (print_operand): Add default abort case.
- (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
- * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
- (BIGGEST_ALIGNMENT): Increase to 128 bits.
- (RETURN_IN_MEMORY): True for TF/TCmode.
- (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
- (FUNCTION_ARG): Move to function_arg.
- (FUNCTION_ARG_PASS_BY_REFERENCE): New.
- (ASM_OUTPUT_LONG_DOUBLE): New.
- (ASM_OUTPUT_DOUBLE): Always output bits.
- * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
- (fix_trunctfdi2, floatditf2, floatunsditf2): New.
- (extenddftf2, trunctfdf2): New.
-
-2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
- * config/sparc/sol2.h: ... here.
-
-2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * basic-block.h (struct loops): New field `levels'.
- * flow.c (flow_loops_level_compute): Traverse all outer loops.
- (flow_loop_level_compute): Initialise level to 1.
- (flow_loops_find): Set loops->levels.
- (flow_loops_dump): Print loops->levels.
-
-2000-01-23 Richard Henderson <rth@cygnus.com>
-
- * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
- (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
-
-2000-01-23 Richard Henderson <rth@cygnus.com>
-
- * i386.c (dbx_register_map, svr4_dbx_register_map): New.
- * i386.h (DBX_REGISTER_NUMBER): Use them.
- * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
- * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
- * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
- * i386/sequent.h: Kill incorrect comment.
-
-2000-01-23 Mark Mitchell <mark@codesourcery.com>
-
- * ggc-page.c (struct page_entry): Make `context_depth' an
- `unsigned short'.
- (struct globals): Likewise.
-
-2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
-
- * loop.c (check_dbra_loop): When checking a loop for
- reversability, check the source of any stores to ensure
- they don't depend on an initial value.
-
-2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
-
-2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixincl.c: Move declarations of 'pz_fname' and
- 'pz_scan' into scope of entire function. Only affects
- compiles with -DDEBUG.
-
-2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
-
- * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
- section naming to that prior to 2000-01-07 patch.
- * config/mips/elf.h (UNIQUE_SECTION): Ditto.
- * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
- * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
- * config/i386/interix.c (UNIQUE_SECTION): Ditto.
- * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
-
-2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
- constant.
-
-2000-01-21 Jim Wilson <wilson@cygnus.com>
-
- * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
- * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
-
-2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpphash.c (change_newlines): Delete function.
- (struct argdata): Delete 'newlines' and 'use_count' fields.
- (macroexpand): Remove code referencing those fields.
-
-2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.c (loops_info): New variable.
- (loop_optimize): Allocate loops->array and free it on exit.
- Allocate memory for loops_info and assign to each loop,
- replacing alloca.
- (find_and_verify_loops): Do not allocate loops->array.
-
-2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
-
-2000-01-21 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
- pseudos if expanded after first flow.
- (movdi_pic_label_ref): Likewise.
-
-2000-01-20 Richard Henderson <rth@cygnus.com>
-
- * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
-
-2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
-
- * Makefile.in (fixinc.sh): Depend on specs.
- * fixinc/Makefile.in: Add rule to create machname.h.
- (fixlib.o): Depend on machname.h.
- * fixinc/fixtests.c (machine_name): New test.
- * fixinc/fixfixes.c (machine_name): New fix.
- * fixinc/fixlib.c (mn_get_regexps): New helper function for
- the machine_name test and fix.
- * fixinc/fixlib.h: Prototype it.
- * fixinc/inclhack.def (machine_name): Use the C test and fix.
- * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
-
- * gcc.c (do_spec_1) [case P]: Take care not to create
- identifiers with three leading or trailing underscores.
-
- * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
- (fixincl): Don't specify libraries twice on link line.
- (gnu-regex.o): Remove special rule.
- * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
- defined by config.h. Do not define _REGEX_RE_COMP.
- (regcomp): Allocate and initialize a fastmap.
- * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
-
-2000-01-20 Brad Lucier <lucier@math.purdue.edu>
-
- * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
-
-2000-01-19 Richard Henderson <rth@cygnus.com>
-
- * flow.c (propagate_block): Replace FIRST, LAST and BNUM
- arguments with BB. Update all callers. Tidy line wrapping.
-
-2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
-
- * emit-rtl.c (try_split): Return last_insn if we split the
- last_insn.
-
-Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386-protos.h (ix86_compute_frame_size): Remove prototype.
- (ix86_initial_elimination_offset): Declare.
- * i386.c (ix86_nsaved_regs): Break out from ...
- (ix86_can_use_return_insn_p): ... here.
- (ix86_emit_save_regs): Break out from ...
- (ix86_expand_prologue): ... here.
- (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
- out from ...
- (ix86_expand_epilogue): ... here.
- (ix86_compute_frame_size): Make static, add prototype.
- (ix86_initial_elimination_offset): Break out from ...
- * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
-
-2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * recog.h (OUT_FCN): Delete.
-
- * vax.md: Call `get_insn_template' instead of OUT_FCN.
-
-2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * cppalloc.c: PROTO -> PARAMS.
- * cpperror.c: Likewise.
- * cppfiles.c: Likewise.
- * cpplib.c: Likewise.
- * cpplib.h: Likewise.
-
- * config/arm/arm-protos.h: PROTO -> PARAMS.
- * config/arm/arm.c: Likewise.
- * config/c4x/c4x.c: Likewise.
- * config/fr30/fr30-protos.h: Likewise.
- * config/nextstep.c: Likewise.
- * config/pa/pa.c: Likewise.
- * config/pj/pj.c: Likewise.
- * config/rs6000/rs6000.c: Likewise.
- * config/v850/v850-protos.h: Likewise.
- * config/v850/v850.c: Likewise.
-
-2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * i370-protos.h: New file.
-
- * i370.c: Include tm_p.h. Fix compile time warnings.
-
- * i370.h: Move prototypes to i370-protos.h. Fix compile time
- warnings.
-
- * i370.md: Likewise.
-
-2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
- (target_isinf, target_isnan, eisnan): Mark parameter with
- ATTRIBUTE_UNUSED.
- (eiisinf): Wrap in INFINITY.
- (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
- (ibmtoe): Remove unused variable `rndsav'.
-
-Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
- (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
-
-2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
- * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
- (fix_char_macro_defines, fix_char_macro_uses): New functions.
-
- * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
- Recognize Emacs mode markers also.
- * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
- C++ comments in C++ headers. Call is_cxx_header only if
- necessary.
-
- * fixinc/inclhack.def (avoid_bool): Add select for the problem and
- bypass for ncurses.
- (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
- (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
- ... these, which use the new C fixes.
- (math_exception): Escape literal '+' in bypass expression.
-
- * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
- Regenerate.
-
-2000-01-19 Geoff Keating <geoffk@cygnus.com>
-
- * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
- inside the MEM.
-
-2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.c (loop_optimize): Allocate loop_info structure for each loop
- prior to calling scan_loop.
-
-Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (find_barrier, gen_block_redirect): Fix indentation.
- (split_branches, calc_live_regs): Likewise.
-
-Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (fpu_single, fp_mode): New attributes.
-
-2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.c (current_loop_info): Renamed from loop_info_data
- and changed to a pointer.
- (loop_optimize): Allocate loop_info structure for each loop
- and initialise to zero.
- (scan_loop): Set current_loop_info.
-
- * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
- on iteration_var.
-
-2000-01-19 Richard Henderson <rth@cygnus.com>
-
- * stupid.c: Die die die.
- * Makefile.in (OBJS): Remove stupid.o.
- (stupid.o): Likewise.
-
- * except.c (emit_eh_context): Don't emit USEs for stupid.
- * explow.c (probe_stack_range): Likewise.
- * flags.h (obey_regdecls): Remove.
- * flow.c (find_basic_blocks): Don't run try_merge_blocks
- when not optimizing.
- (life_analysis): Limit data collection when not optimizing.
- (mark_regs_live_at_end): Always mark the return value registers.
- (mark_used_regs): Remove dummy RETURN case.
- (print_rtl_with_bb): Don't consult obey_regdecls.
- * function.c (use_variable, use_variable_after): Remove.
- (assign_parms): Consult optimize not obey_regdecls.
- (expand_function_start): Don't emit USEs for stupid.
- (expand_function_end): Likewise.
- * global.c (build_insn_chain): Export.
- * integrate.c (expand_inline_function): Kill return-value USE
- handling code.
- * jump.c (jump_optimize_1): Do simple jump optimizations and
- dead code elimination.
- (calculate_can_reach_end): Remove check_deleted argument.
- (delete_insn): Patch out insns even when not optimizing.
- * local-alloc.c (block_alloc): Don't do tying when not optimizing.
- * rtl.h (use_variable, use_variable_after): Remove declarations.
- (build_insn_chain): Declare.
- * stmt.c (expand_value_return): Don't emit USEs for stupid.
- (expand_end_bindings): Likewise.
- (expand_decl): Likewise. Consult optimize not obey_regdecls.
- * toplev.c (obey_regdecls): Remove.
- (rest_of_compilation): Don't set it. Kill stupid in favour of
- flow1, local-alloc, and reload.
- (main): Don't set obey_regdecls.
-
- * config/nextstep.c (handle_pragma): Likewise.
-
- * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
-
- * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * alpha-protos.h: PROTO -> PARAMS.
- * alpha.c: Likewise.
- * elf.h: Likewise.
- * h8300.c: Likewise.
- * i386-protos.h: Likewise.
- * i386.c: Likewise.
- * m32r-protos.h: Likewise.
- * m32r.c: Likewise.
- * mips.c: Likewise.
- * mips.md: Likewise.
- * gmon-sol2.c: Likewise.
- * sparc.c: Likewise.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * ns32k-protos.h: New file.
-
- * ns32k.c: Fix compile time warnings.
-
- * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
- warnings.
-
- * ns32k.md: Likewise.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * vax-protos.h: New file.
-
- * vax.c: Fix compile time warnings.
-
- * vax.h: Move prototypes to vax-protos.h. Fix compile time
- warnings.
-
- * vax.md: Likewise.
-
- * vaxv.md: Likewise.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * romp-protos.h: New file.
-
- * romp.c: Fix compile time warnings.
-
- * romp.h: Move prototypes to romp-protos.h. Fix compile time
- warnings.
-
- * romp.md: Likewise.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * we32k-protos.h: New file.
-
- * we32k.c: Fix compile time warnings.
-
- * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
- warnings.
-
-2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
-
- * except.c (eh_regs): Likewise.
-
- * final.c (output_operand): Likewise.
-
- * fold-const.c (target_isinf, target_isnan): Likewise.
-
-Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
-
- * i386.h (BIGGEST_ALIGNMENT): Set to 128.
- (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
-
- * i386.md (memstr): Do not use rep stosb for counts divisible by 4
- when optimize_size.
- (clrstrsi): Rewrite.
- (strsethi, strsetqi): New expanders.
- (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
- (cmpstrsi): Emit compare insn before cmpstrsi_1
- (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
- (strlensi_1): Likewise.
- (cmpstrsi_1): Likewise; do not output compare.
- (strlen expander): Do not unroll when optimizing for size.
- (*subsi3_carry): Rename to subsi3_carry
- (addqi3_cc): New pattern.
- * i386.h (processor_costs): Add move_ratio field.
- (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
- * i386.c (*_cost): Set move_ratio.
- (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
- (x86_expand_strlensi_1): Rewrite the main loop.
-
-2000-01-17 Richard Henderson <rth@cygnus.com>
-
- * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
- * cse.c (find_comparison_args, fold_rtx): Likewise.
- * integrate.c (subst_constants): Likewise.
- * loop.c (get_condition): Likewise.
-
- * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
-
- * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
-
-2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
-
- * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
- (RESTORE_WARN_FLAGS): Unpack it.
- Change semantic type of extension to ttype.
- * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
- * c-parse.y, c-parse.c, objc/objc-parse.y,
- objc/objc-parse.c: Regenerate.
-
-2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
-
- * fixinc/fixlib.c: Add copyright notice.
- (compile_re): New function.
- * fixinc/fixlib.h: Prototype compile_re.
-
- * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
- Use compile_re to compile regular expressions.
-
- * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
- where the pattern matched.
-
- * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
- use 'replace'.
- (ultrix_ansi_compat): Likewise.
- (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
- add egrep test.
- (interactv_add2, interactv_add3): Delete.
- (x11_sprintf): Don't use filename glob.
- * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
- Regenerate.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * print-rtl.c: PROTO -> PARAMS.
- * real.c: Likewise.
- * reg-stack.c: Likewise.
- * resource.c: Likewise.
- * sdbout.h: Likewise.
- * simplify-rtx.c: Likewise.
- * stor-layout.c: Likewise.
- * stupid.c: Likewise.
- * xcoffout.c: Likewise.
- * xcoffout.h: Likewise.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * toplev.c: PROTO -> PARAMS.
- * toplev.h: Likewise.
- * tree.c: Likewise.
- * tree.h: Likewise.
- * unroll.c: Likewise.
- * varasm.c: Likewise.
- * varray.c: Likewise.
- * varray.h: Likewise.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * reload.c: PROTO -> PARAMS.
- * reload.h: Likewise.
- * reload1.c: Likewise.
- * reorg.c: Likewise.
- * resource.h: Likewise.
- * rtl.c: Likewise.
- * rtl.h: Likewise.
- * rtlanal.c: Likewise.
- * sbitmap.h: Likewise.
- * sdbout.c: Likewise.
- * stack.h: Likewise.
- * stmt.c: Likewise.
- * system.h: Likewise.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * machmode.h: PROTO -> PARAMS.
- * mbchar.h: Likewise.
- * mips-tdump.c: Likewise.
- * mips-tfile.c: Likewise.
- * optabs.c: Likewise.
- * output.h: Likewise.
- * prefix.c: Likewise.
- * profile.c: Likewise.
- * protoize.c: Likewise.
- * real.h: Likewise.
- * recog.c: Likewise.
- * recog.h: Likewise.
- * regclass.c: Likewise.
- * regmove.c: Likewise.
- * regs.h: Likewise.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * ggc-common.c: PROTO -> PARAMS.
- * ggc-page.c: Likewise.
- * ggc-simple.c: Likewise.
- * ggc.h: Likewise.
- * global.c: Likewise.
- * graph.c: Likewise.
- * gthr-win32.h: Likewise.
- * haifa-sched.c: Likewise.
- * halfpic.h: Likewise.
- * integrate.c: Likewise.
- * integrate.h: Likewise.
- * jump.c: Likewise.
- * lcm.c: Likewise.
- * local-alloc.c: Likewise.
- * loop.c: Likewise.
- * loop.h: Likewise.
-
-2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * genattr.c: PROTO -> PARAMS.
- * genattrtab.c: Likewise.
- * gencheck.c: Likewise.
- * gencodes.c: Likewise.
- * genconfig.c: Likewise.
- * genemit.c: Likewise.
- * genextract.c: Likewise.
- * genflags.c: Likewise.
- * gengenrtl.c: Likewise.
- * genopinit.c: Likewise.
- * genoutput.c: Likewise.
- * genpeep.c: Likewise.
- * genrecog.c: Likewise.
-
-2000-01-16 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (BINFO_VPTR_FIELD): Augment documentation.
-
-2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
- * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
- * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
- * configure, config.in: Rebuilt.
-
-2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
-
- * config/i386/i386.md: Add peephole to merge successive stack
- adjusts.
-
-Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
-
- * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
- instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
- when walking backwards to find all the parameter loads when
- the basic block ends in a call.
-
-2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * loop.c (this_loop_info): Delete.
- (uid_loop): Add in place of uid_loop_num. All uses updated.
- (loop_number_exit_count): Delete and replace with entry in loop
- structure. All uses updated.
- (loop_number_loop_starts, loop_number_loop_ends): Likewise.
- (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
- (loop_outer_loop): Likewise.
- (loop_invalid, loop_number_exit_labels): Likewise.
- (loop_used_count_register): Delete and replace with entry in
- loop_info structure.
- (find_and_verify_loops): Add loops argument.
- (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
- loop_end, etc. arguments with loop structure pointer. All callers
- changed.
- (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
- (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
- (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
- (insert_bct): Likewise.
- (basic_induction_var): New argument level.
- * loop.h (struct loop_info): Delete fields num, loops_enclosed,
- vtop, and cont. Add used_count_register.
- (uid_loop): Delete declaration.
- (loop_number_exit_count): Likewise.
- (loop_number_loop_starts, loop_number_loop_ends): Likewise.
- (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
- (loop_outer_loop, loop_used_count_register): Likewise.
- (loop_invalid, loop_number_exit_labels): Likewise.
- (unroll_loop): Replace loop_start and loop_end arguments
- with loop structure pointer.
- (loop_precondition_p, loop_iterations): Likewise.
- Include basic-block.h.
- * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
- with loop structure pointer.
- (loop_precondition_p, loop_iterations): Likewise.
- * basic-block.h (struct loop): New entries vtop, cont,
- cont_dominator, start, end, top, scan_start, exit_labels,
- exit_count.
- * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
-
-2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
-
- * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
-
-2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
-
- * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * pdp11-protos.h: New file.
-
- * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
- warnings.
-
- * pdp11.md: Likewise.
-
- * 2bsd.h: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * mn10300-protos.h: New file.
-
- * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
- warnings.
-
- * mn10300.md: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * mn10200-protos.h: New file.
-
- * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
- warnings.
-
- * mn10200.md: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * h8300-protos.h: New file.
-
- * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
- warnings.
-
- * h8300.md: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
- (asm_emit_uninitialised): Likewise.
-
-2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
-
- * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
- * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
-
-2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.c (override_options): Don't turn on extra
- alignment for mips16.
-
-2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
- eabi, and make sure queued POSTINCREMENT rtl is emitted at
- the right point.
-
-2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
-
- * builtins.c (PAD_VARARGS_DOWN): Define.
- (std_expand_builtin_va_arg): Use the above macro.
- * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
- * tm.texi (Register Arguments): Document the above macro.
-
-2000-01-14 Nick Clifton <nickc@cygnus.com>
-
- * emit-rtl.c (emit_insn): If checking is enabled, make sure
- that this function has not been used to emit a jump
- instruction.
-
- * jump.c (return_jump_1): Cope with being passed a null rtx.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * eh-common.h: PROTO -> PARAMS.
- * emit-rtl.c: Likewise.
- * errors.c: Likewise.
- * errors.h: Likewise.
- * except.c: Likewise.
- * except.h: Likewise.
- * explow.c: Likewise.
- * expmed.c: Likewise.
- * expr.c: Likewise.
- * expr.h: Likewise.
- * final.c: Likewise.
- * fix-header.c: Likewise.
- * flow.c: Likewise.
- * fold-const.c: Likewise.
- * function.c: Likewise.
- * function.h: Likewise.
- * gcc.c: Likewise.
- * gcov-io.h: Likewise.
- * gcov.c: Likewise.
- * gcse.c: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * sh-protos.h: New file.
-
- * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
- Add static prototypes. Fix compile time warnings.
-
- * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
- * sh.md: Likewise.
- * elf.h: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * arc-protos.h: New file.
-
- * arc.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * arc.h: Move prototypes to arc-protos.h. Fix compile time
- warnings.
-
- * arc.md: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * dsp16xx-protos.h: New file.
-
- * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
- warnings.
-
- * dsp16xx.md: Likewise.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * convex-protos.h: New file.
-
- * convex.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * convex.h: Move prototypes to convex-protos.h. Fix compile time
- warnings.
-
-2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * elxsi-protos.h: New file.
-
- * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
- warnings.
-
- * elxsi.md: Likewise.
-
-2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
- case for moving from HI/LO/HI_LO_REG. This makes the behavior
- match the comment for MIPS16.
-
-Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
-
- * flow.c (split_edge): Do not call set_block_for_insn if we
- do not have a basic_block_for_insn structure.
-
- * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
- and destination functions are 32bit aligned within the trampoline.
- (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
- (TRAMPOLINE_ALIGNMENT): Define.
-
- * cse.c (cse_insn): When changing (set (pc) (reg)) to
- (set (pc) (label_ref)), verify the change creates a valid insn.
-
- * fr30.c (call_operand): Tighten and rework to match rules for
- call RTL expressions.
- * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
- * fr30.md (call patterns): Improve constraints.
-
-Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
-
- * fr30.c (fr30_expand_epilogue): Revert last change.
- Use emit_jump_insn for the return insn.
-
-Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
- Stan Cox <scox@cygnus.com>
-
- * predict.c: New file. Preliminary infrastructure work for static
- branch prediction and basic block reordering.
- * basic-block.h: Add prototype for estimate_probability.
- * Makefile.in: Add rules for predict.o.
-
-2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
-
- * fixincludes (va_list): Use __not_va_list__ for the dummy.
- * fixinc/*: Likewise.
-
-2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * cccp.c: PROTO -> PARAMS.
- * cexp.y: Likewise.
- * collect2.c: Likewise.
- * combine.c: Likewise.
- * convert.h: Likewise.
- * cse.c: Likewise.
- * dbxout.c: Likewise.
- * dbxout.h: Likewise.
- * diagnostic.c: Likewise.
- * doprint.c: Likewise.
- * dwarf2out.c: Likewise.
- * dwarf2out.h: Likewise.
- * dwarfout.c: Likewise.
- * dwarfout.h: Likewise.
- * dyn-string.h: Likewise.
-
-2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
- macro conditionals guarding use.
-
- * dwarf2out.c: Include "tm_p.h".
-
- * function.c (locate_and_pad_parm): Mark parameter with
- ATTRIBUTE_UNUSED.
- (expand_function_end): Likewise for variable `context'.
-
- * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
-
-2000-01-13 Nick Clifton <nickc@cygnus.com>
-
- * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
- register to prevent compile time warnings.
-
-2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
-
- * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
- to avoid -Wtraditional warning.
-
-2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * 1750a-protos.h: New file.
-
- * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
- warnings.
-
- * 1750a.md: Likewise.
-
-2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * a29k-protos.h: New file.
-
- * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
- warnings.
-
-2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * clipper-protos.h: New file.
-
- * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
- warnings.
-
-Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
-
-2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
-
- * configure.in (--enable-new-gxx-abi): New option.
- * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
- * Makefile.in (GXX_ABI_FLAG): New variable.
- * configure: Regenerate.
-
-2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
- * tm.texi (FORCE_STRUCT_BLK): Document.
- * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
-
-Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * config/ns32k/ns32k.md: Revert Jan 9 change.
-
- * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
- to a mode-test, if the predicate is address_operand.
-
-Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
-
- * combine.c (if_then_else_cond): Be careful about what kinds
- of RTL expressions are passed to operand_subword.
-
- * flow.c (split_edge): If we have to insert a new jump, make
- sure to associate it with a basic block.
-
- * flow.c (commit_one_edge_insertion): A block with one successor
- can end in a JUMP_INSN that is not a simplejump.
-
-2000-01-12 Robert Lipe <robertl@sco.com>
-
- * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
- (BUILD_VA_LIST_TYPE): Define.
- (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
- with crtstuff.c.
-
-2000-01-12 Jason Merrill <jason@casey.cygnus.com>
-
- * cccp.c (do_pragma): Add cast to (char *).
-
-2000-01-12 Richard Henderson <rth@cygnus.com>
- Fred Fish <fnf@be.com>
- Jason Merrill <jason@cygnus.com>
-
- * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
- * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
- * i386/beos-elf.h, i386/beos-pe.h: New files.
-
- * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
- * cross-make (SYSTEM_HEADER_DIR): Define using
- CROSS_SYSTEM_HEADER_DIR.
-
- * gcc.c (LIBRARY_PATH_ENV): Provide default.
- (process_command): Use it.
- (main): Likewise. Kill trailing = from env vars.
- (build_search_list): Put it back.
- * collect2.c (main): Use LIBRARY_PATH_ENV.
-
- * configure.in (GCC_NEED_DECLARATIONS): Add environ.
- * toplev.c: Use NEED_DECLARATION_ENVIRON.
-
- * tm.texi (Frame Layout): Document SMALL_STACK.
- * c-common.c (c_common_nodes_and_builtins): Check it.
-
- * system.h: Undef alloca after including glibc's <stdlib.h>,
- if USE_C_ALLOCA is defined.
-
- * gcc.c (set_input): New fn.
- (main): After all input files are compiled, reset the input file
- info to the first.
-
- * aclocal.m4 (rindex, index): If already defined, don't attempt
- to redefine.
-
- * ginclude/varargs.h: (__va_list__): Define ifndef.
- * ginclude/stdarg.h: Likewise.
-
- * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
- instead of unsigned char.
-
- * hash.h (true, false, boolean): Undef before enum.
-
- * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
- proper type of "HOST_WIDE_INT *", rather than their natural type of
- "unsigned HOST_WIDE_INT *".
-
-2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
-
- * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
-
- * regclass.c (choose_hard_reg_mode): Likewise.
-
- * reload.c (find_valid_class, strict_memory_address_p): Likewise.
-
- * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
-
-2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * c-common.c: PROTO -> PARAMS.
- * c-common.h: Likewise.
- * c-decl.c: Likewise.
- * c-iterate.c: Likewise.
- * c-lang.c: Likewise.
- * c-lex.c: Likewise.
- * c-lex.h: Likewise.
- * c-parse.in: Likewise.
- * c-pragma.c: Likewise.
- * c-pragma.h: Likewise.
- * c-tree.h: Likewise.
- * c-typeck.c: Likewise.
- * objc/objc-act.c: Likewise.
- * objc/objc-act.h: Likewise.
-
-2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * m88k-protos.h: New file.
-
- * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
-
- * m88k.md: Likewise.
-
- * tekXD88.h: Likewise.
-
-2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * m68k-protos.h: New file.
-
- * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
-
- * mot3300.h: Likewise.
-
-2000-01-12 Richard Earnshaw <rearnsha@arm.com>
-
- * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
- extract_bitlst.
- (extract_bitlist): Declare bitlen.
-
-2000-01-12 Zack Weinberg <zack@wolery.cumb.org
-
- * cccp.c: Accept and ignore -lang-fortran.
-
- * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
- qualifiers don't match at any level of pointerness.
-
-2000-01-12 Robert Lipe <robertl@sco.com>
-
- * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
-
-2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * reload1.c (reload_reg_unavailable): New static variable.
- (reload_reg_free_p): Test it.
- (reload_reg_free_for_value_p): Test it instead of
- reload_reg_used.
- (choose_reload_regs_init): Compute it.
-
-Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
-
- * reorg.c (fill_slots_from_thread): Check modified_in_p
- before replacing.
-
-Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
-
- * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
- these nodes even if INTERNALS is not set.
-
-Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
-
- * gcse.c (delete_null_pointer_checks_1): Cope when
- get_condition cannot determine the condition.
-
-2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
-
- * toplev.h (set_message_length): Declare.
-
- * diagnostic.c (obstack_chunk_alloc): Define macro.
- (obstack_chunk_free): Likewise.
- (struct output_buffer): New data structure.
- (vmessage): Remove.
- (output_maximum_width): New variable.
- (doing_line_wrapping, set_message_length, init_output_buffer,
- get_output_prefix, output_space_left, emit_output_prefix,
- output_newline, output_append, output_puts, dump_output,
- vbuild_message_string, build_message_string, build_location_prefix,
- voutput_notice, output_printf, line_wrapper_printf,
- vline_wrapper_message_with_location): New functions. Implement
- automatic line wrapping.
- (v_message_with_decl): Make it handle automatic line wrapping.
- (v_error_with_file_and_line): Likewise.
- (v_warning_with_file_and_line): Likewise.
- (announce_function): Likewise.
- (default_print_error_function): Likewise.
-
-2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
-
- * cpplib.h (struct cpp_options): Change lang_asm to char.
- Add lang_fortran.
- * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
- done in cpp_handle_option now.
- (initialize_builtins): Take out special case code used only by
- __STDC_VERSION__.
- (cpp_handle_option): Turn off trigraphs and trigraph warnings
- if -traditional. Recognize -lang-fortran and set
- lang_fortran, also turn off cplusplus_comments.
- (print_help): Document -lang-fortran.
- * cpplib.c (handle_directive): Ignore `# 123 "file"' if
- lang_asm. Ignore all directives other than `# 123 "file"' if
- CPP_PREPROCESSED.
- (cpp_get_token): If -traditional, don't recognize directives
- unless the # is in column 1.
- (parse_string): If lang_fortran or lang_asm, silently
- terminate strings ('' or "") at end of line.
- Remove unnecessary braces.
-
-2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
- Richard Henderson <rth@cygnus.com>
-
- * resource.c (mark_referenced_resources): Mark a set strict_low_part
- as used.
- * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
- strict_low_part when possible.
-
-2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * alias.c: PROTO -> PARAMS.
- * basic-block.h: Likewise.
- * bitmap.c: Likewise.
- * bitmap.h: Likewise.
- * builtins.c: Likewise.
- * c-aux-info.c: Likewise.
- * caller-save.c: Likewise.
- * calls.c: Likewise.
-
-2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (toplev.o): Depend on regs.h.
-
- * output.h (tdesc_section): Prototype.
-
- * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
-
- * sdbout.c: Include "tm_p.h".
-
- * toplev.c: Include "regs.h".
-
-Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
-
- * unroll.c (unroll_loop): Add EH support.
-
-2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * pa-protos.h: New file.
-
- * pa.c: Include recog.h and tm_p.h.
- (compute_zdepwi_operands, compute_movstrsi_length,
- remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
- find_addr_reg, import_milli): Add static prototypes.
- (pa_cpu_string, pa_arch_string): Constify a char*.
- (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
- (read_only_operand): Add argument `mode'.
- (singlemove_string, output_move_double, output_fp_move_double,
- output_block_move, output_and, output_ior, output_ascii,
- remove_useless_addtr_insns, milli_names, output_mul_insn,
- output_div_insn, output_mod_insn, output_arg_descriptor,
- output_cbranch, output_bb, output_bvb, output_dbra, ,
- output_millicode_call, output_call, hppa_encode_label,
- output_parallel_movb, output_parallel_addb): Constify a char*.
- (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
- (output_parallel_addb): Remove extra arg to `constrain_operands'
-
- * pa.h: Move all prototypes to pa-protos.h.
- (pa_cpu_string, pa_arch_string): Constify a char*.
- (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
-
- * pa.md: Call `function_label_operand' with mode argument.
- Likewise for `read_only_operand'.
- Fix nesting of parens in call to `symbolic_operand'.
-
-2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * i860-protos.h: New file.
-
- * i860.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
-
- * i860.md: Likewise.
-
-Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.md (movstrsi expander): Rewrite.
- (movstrsi_1 insn): Deleted.
- (strmovhi, strmovqi expander): New expanders.
- (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
- * i386.c (x86_single_stringop): New global variable.
- * i386.h (x86_single_stringop): Declare.
- (TARGET_SINGLE_STRINGOP): New macro.
-
-2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
-
- * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
- integer vararg POSTINCREMENT before the destination of the jump
- for the hard fp case.
- (function_arg_pass_by_reference): Pass a copy of CUM to
- FUNCTION_ARG.
-
- * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
- for CONSTANT_ADDRESS_P above while loop for subreg.
-
-2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
-
- * flow.c (propagate_block): When a prologue/epilogue insn
- is marked dead, unconditionally clear libcall_is_dead and
- insn_is_dead, and only dump rtl if warnings aren't being
- suppressed.
-
-Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
-
- * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
- * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
- (FIXED_REGISTERS): Set dirflag as fixed.
- (CALL_USED_REGISTERS): Set dirflag as used.
- (REG_ALLOC_ORDER): Set dirflag as last one.
- (DIRFLAG_REG): New macro.
- (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
- (HI_REGISTER_NAMES): Add dirflag.
- (DEBUF_PRINT_REG): Handle dirflag.
- * i386.md (type attribute): New cld and str types.
- (length_opcode attribute): Set cld and str to 1.
- (memory attribute): Set str to unknown - it is not clear from the
- patterns.
- (pent_np function unit): Prefixed string operations takes 12 cycles
- minimally; cld takes 2 cycles.
- (ppro_uops attribute): Str is "many" and cld is "few".
- (ppro_p0 unit): Handle cld here.
- (k6_alux unit): Handle cld and str types.
- (k6_load unit): It is ocupied by str opcodes.
- (k6_store unit): It is ocupied by str opcodes.
- (athlon_decode): Str is vector decoded.
- (athlon_ieu): Handle str and cld.
- (cld pattern): New.
- (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
- (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
- cmpstrsi_nz_1 insn): Do not output cld instruction
-
-Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
-
- * gcc.texi (G++ and GCC): Add Java and Chill.
- (Bug Critera): Don't list languages.
-
- * gcc.texi (Incompatibilities): No longer claim most C compilers
- are K&R.
-
- * gcc.texi (G++ and GCC): Update other front-ends list.
-
-Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
-
- * i386.c (ix86_expand_setcc): Fix typo.
- (ix86_expand_movcc): Similarly.
-
- * Band-aid until haifa's bitset implementation is nuked.
- * haifa-sched.c (extract_bitlst): New parameter for size of the
- bitset in bits. All callers changed. Avoid looking at undefined
- bits in the bitset.
- (edgeset_bitsize): New variable.
- (schedule_region): Initialize edgeset_bitsize.
-
-2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * Makefile.in (optabs.o): Depend on real.h
- (resource.o): Depend on insn-attr.h
-
- * builtins.c (result_vector): Wrap prototype in macro conditions
- governing definition and use.
-
- * c-common.c: Include tm_p.h.
-
- * c-lex.c: Likewise.
-
- * elfos.h: Constify a char*.
-
- * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
- (get_attr_length, shorten_branches, profile_after_prologue): Mark
- parameter with ATTRIBUTE_UNUSED.
-
- * fold-const.c (exact_real_inverse): Wrap variable `i' in
- CHECK_FLOAT_VALUE.
-
- * haifa-sched.c (schedule_insns): Mark parameter with
- ATTRIBUTE_UNUSED.
-
- * optabs.c: Include real.h.
-
- * real.h (ereal_atof): Add prototype arguments.
-
- * resource.c: Include insn-attr.h.
-
- * sdbout.c (sdbout_queue_anonymous_type,
- sdbout_dequeue_anonymous_types): Wrap in macro
- SDB_ALLOW_FORWARD_REFERENCES.
- (sdbout_init, sdbout_start_new_source_file): Mark parameter with
- ATTRIBUTE_UNUSED.
-
- * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
-
- * stupid.c: Include tm_p.h.
-
- * tree.c (real_value_from_int_cst): Mark parameter with
- ATTRIBUTE_UNUSED.
-
-2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * i960-protos.h: New file.
-
- * i960.c: Include tm_p.h. Add static prototypes. Fix compile
- time warnings.
-
- * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
-
-2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * combine.c (expand_field_assignment): Do not discard SUBREGs
- while computing nonzero_bits.
-
-2000-01-09 Nick Clifton <nickc@cygnus.com>
-
- * config/arm/arm.c: Fix compile time warnings about signed vs
- unsigned constants.
- * config/arm/arm.h: Fix compile time warnings about signed vs
- unsigned constants.
-
-2000-01-09 Philip Blundell <philb@gnu.org>
-
- * config/arm/arm.c (output_return_instruction): Use `ldr' rather
- than `ldm' with only one register.
- * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
- only one register.
-
- * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
- clobbered.
-
-Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
-
- * config/ns32k/ns32k.md (load or push effective address): Operand 1
- must have SImode.
-
-2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
- assignment used as truth value.
-
- * function.c (assign_temp): Mark parameter `dont_promote' with
- ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
- PROMOTE_FOR_CALL_ONLY.
-
- * genrecog.c (write_subroutine): Mark variable `operands' with
- ATTRIBUTE_UNUSED.
-
- * optabs.c (prepare_cmp_insn): Mark parameter `align' with
- ATTRIBUTE_UNUSED.
-
- * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
- (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
-
- * toplev.c (note_deferral_of_defined_inline_function): Likewise
- for `decl'.
-
-2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x.h: Tidy up comments.
- * config/c4x.c: Likewise.
-
-Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
-
- * fold-const.c (lshift_double, rshift_double): Handle
- shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
-
-2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
-
- * toplev.c (rest_of_compilation): Initialize cse_not_expected as
- in prepare_function_start().
-
-Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
-
- * config/v850/v850.c (expand_epilogue): Interrupt functions no
- longer allocate extra stack for function calls.
-
-2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (*subqf3_set): Fix typo.
-
-2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
-
-2000-01-07 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000.c (processor_target_table): Add power3 as alias for 630.
- * aix43.h: Revert Aug 2 change.
- (HAS_INIT_SECTION): Define, not visible yet.
- (LD_INIT_SWITCH): Define, not visible yet.
- * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
-
- * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
-
- * collect2.c (main): Expand ld2 size further.
- (export_object_lst): Cast assignment to avoid warning.
- (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
- (scan_prog_file, COFF): Do not collect initialization or
- finalization functions generated for entire shared object if
- init/fini support present.
-
-2000-01-07 Nick Clifton <nickc@cygnus.com>
-
- * config/elfos.h: Tidy up formatting of marcos. Make sure
- that .section directives are always prefixed by a tab.
-
- * config/svr4.h: Add #include "elfos.h" and remove duplicate
- definitions.
-
-2000-01-07 Matt Austern <austern@sgi.com>
-
- * fold-const.c (real_hex_to_f): Remove duplicate declaration of
- expon.
-
-Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
-
- * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
- crtstuff.c.
- (crtbegin.o, s-crtS): Likewise.
-
-2000-01-06 Richard Henderson <rth@cygnus.com>
-
- * alpha.md (adddi_2+1): Limit offset such that it will be
- loadable with a single ldah+lda pair.
- (adddi_2+2): Explicitly fail split if we can't make it work.
-
-2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
-
- * protoize.c: Conditionally include unistd.h.
- (IS_SAME_PATH_CHAR): New macro.
- (IS_SAME_PATH): New macro.
- (CPLUS_FILE_SUFFIX): New macro.
- (cplus_suffix): New static variable.
- (is_abspath): New static function.
- (in_system_include_dir): Handle DOS style pathnames.
- (file_could_be_converted): Likewise.
- (file_normally_convertible): Likewise.
- (directory_specified_p): Likewise.
- (file_excluded_p): Likewise.
- (abspath): Likewise.
- (shortpath): Likewise.
- (referenced_file_is_newer): Likewise.
- (save_def_or_dec): Likewise.
- (do_processing): Likewise.
- (main): Likewise.
- (edit_file): Likewise. Use rename instead of link.
- (rename_c_file): Likewise. Don't rename syscalls file.
- (munge_compile_params): Define null device for DOS based systems.
- (process_aux_info_file): Use binary mode if appliable.
- (edit_file): Likewise.
- * invoke.texi (Running Protoize): Document C++ suffixes used.
-
- * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
- IS_DIR_SEPARATOR macros.
- * collect2.c: Likewise.
- * cppinit.c: Likewise.
- * dwarf2out.c: Likewise.
- * gcc.c: Likewise.
- * gcov.c: Likewise.
- * prefix.c: Likewise.
- * rtl.c: Likewise.
- * toplev.c: Likewise.
- * system.h: And move to here.
-
- * prefix.c (update_path): Fix typo in variable name.
-
-2000-01-06 Richard Henderson <rth@cygnus.com>
-
- * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
- (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
- (count_reg_sets_1, count_reg_references): Likewise.
- (flow_loops_level_compute): Start counting actual loop depth at 1.
- (flow_loops_find): Likewise.
- * local-alloc.c (update_equiv_regs): Likewise.
- * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
-
-2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
-
- * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
- FIRST_PSEUDO_REGISTER
- * dwarf2out.c: Don't include frame.h
- * dwarfout.c: Likewise
- * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
- frame.h
-
-Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
-
- * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
- dead registers.
-
- * i386.c (movsf splitter): Fix typo in my last checkin.
-
-2000-01-05 Nick Clifton <nickc@cygnus.com>
-
- * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
- own definition of this macro.
- (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
- flag_data_sections or UNIQUE_SECTION_P are true.
-
- * tm.texi (UNIQUE_SECTION): Document that it can be called for
- unitialised data decls.
-
- * config/i386/winnt.c (i386_pe_unique_section): Cope with
- being called for uninitialised data.
-
- * config/i386/interix.c (i386_pe_unique_section): Cope with
- being called for uninitialised data.
-
- * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
- for uninitialised data.
-
- * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
- for uninitialised data.
-
- * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
- for uninitialised data.
-
- * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
- (UNIQUE_SECTION_P): Always generate a unique section if
- flag_data_sections is true.
- (UNIQUE_SECTION): Also generate unique sections for
- uninitialised data.
- (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
- (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
- named_section().
-
-2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
- SI, or DI.
-
-2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (udivqi3, divqi3): Delete.
- (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
- (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
- (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
- (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
-
- * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
-
-2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
-
- * c-decl.c (finish_enum): Simplify code to determine minimum and
- maximum values of the enum, and calculate the type. Remove check
- for FUNCTION_DECLs in the values list, which cannot happen. Replace
- the DECL_INITIAL of each enumeration constant with a copy converted
- to the enumeration type. When updating variant types, don't bother
- updating the type itself.
-
- * c-typeck.c (build_binary_op): Simplify conditional expressions
- when weeding out spurious signed-unsigned warnings. Add new
- spurious warning category: if the unsigned quantity is an enum
- and its maximum value fits in signed_type(result_type). Update
- commentary.
- (build_conditional_expr): Warn here if one alternative is signed
- and the other is unsigned.
-
-2000-01-05 Nick Clifton <nickc@cygnus.com>
-
- * config/fr30/fr30.h: Remove extraneous comments.
-
-2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * reload1.c (choose_reload_regs): When disabling a reload, also
- set reload_spill_index to -1.
-
-2000-01-04 Joel Sherrill (joel@OARcorp.com>
-
- * configure.in (m68*-*-rtemscoff*): New target, formal name for
- old m68*-*-rtems*.
- (m68*-*-rtemself*): New target.
- (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
- (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
- (sparc*-*-rtemself*): New target.
- (sparc*-*-rtems*): Now elf not a.out.
- * config/i386/rtems.h: Include config/rtems.h.
- * config/i386/rtemself.h: Include config/rtems.h.
- * config/i960/rtems.h: Include config/rtems.h.
- * config/m68k/rtems.h: Include config/rtems.h.
- * config/m68k/rtemself.h: Include config/rtems.h.
- * config/mips/rtems64.h: Include config/rtems.h.
- * config/pa/rtems.h: Include config/rtems.h.
- * config/rs6000/rtems.h: Include config/rtems.h.
- * config/sh/rtems.h: Include config/rtems.h.
- * config/sh/rtemself.h: Include config/rtems.h.
- * config/sparc/rtems.h: Include config/rtems.h.
- * config/sparc/rtemself.h: Include config/rtems.h
-
-Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
-
- * final.c (shorten_branches): Correctly compute length of
- asms without operands.
-
-Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
-
- * configure.in: Add pj target.
- * configure: Regenerate.
- * config/pj: New directory.
- * config/pj/lib1funcs.S: New file.
- * config/pj/linux.h: New file.
- * config/pj/pj.c: New file.
- * config/pj/pj.md: New file.
- * config/pj/pjl.h: New file.
- * config/pj/t-pj: New file.
- * config/pj/xm-pj.h: New file
-
-Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
-
- * toplev.c (rest_of_compilation): Run shorten-branches before
- reg-stack for now.
-
-2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
- macros so that they're consistent with their names.
- * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
- * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
-
-2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
-
- * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
- modified inadvertently.
-
-2000-01-04 Joel Sherrill <joel@OARcorp.com>
-
- * configure.in (v850*-*-rtems*): New target.
- * configure: Regenerate.
- * config/v850/rtems.h: New file.
-
-2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
-
- * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
- (__gthread_key_create): Likewise.
- (__gthread_key_dtor): Likewise.
- (__gthread_once): Fix logic.
- (__gthread_key_delete): Cast away constness.
-
- * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
- * invoke.texi: Document.
- * i386/mingw32.h (CPP_SPEC): Use.
- (LIBGCC_SPEC): Likewise.
- * i386/crtdll.h (LIBGCC_SPEC): Likewise.
-
-2000-01-04 David Edelsohn <edelsohn@gnu.org>
-
- * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
- (HANDLE_PRAGMA_PACK): Undefine.
- (SLOW_UNALIGNED_ACCESS): Define.
-
-2000-01-04 David Edelsohn <edelsohn@gnu.org>
-
- * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
- to default definition.
- (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
- (store_fixed_bit_field): Call macro with word_mode and alignment.
- (extract_bit_field): Call macro with relevant mode and alignment.
- * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
- to default definition.
- (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
- and alignment.
- (move_by_pieces_ninsns): Likewise.
- (clear_by_pieces): Likewise.
- (emit_push_insn): Likewise.
- (store_field): Call macro with relevant mode and alignment.
- (expand_expr): Likewise.
- (expand_expr_unaligned): Likewise.
-
- * rs6000.h (HANDLE_PRAGMA_PACK): Define.
- (SLOW_UNALIGNED_ACCESS): Define.
- (CASE_VECTOR_MODE): Always use 32-bit offsets.
- (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
- (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
- (toc_section): Likewise and .toc pseudo-op.
- (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
- 64-bit mode.
- (TEXT_SECTION_ASM_OP): Likewise.
- (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
- 32-bit offsets.
-
- * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
- * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
- * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
- * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
- * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
-
-Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
-
- * regclass.c: Revert my Jan 4 change to loop cost computation.
-
-Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
-
- * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
- compilation.
-
-2000-01-04 Stan Cox <scox@cygnus.com>
-
- * haifa-sched.c (build_control_flow): Change unreachable simple
- loop test to check if current block has only one predecessor.
- (find_rgns): Initialize degree. Use dest as degree index, not src.
-
-2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
-
- * calls.c (expand_call): Likewise for
- `old_stack_arg_under_construction'.
-
- * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
-
- * function.c (pad_to_arg_alignment): Likewise for `save_var' and
- `save_constant'.
-
- * gcc.c (execute): Likewise for `ut' and `st'.
-
- * genattrtab.c (attr_rtx): Likewise for `rt_val'.
-
- * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
-
- * jump.c (jump_optimize_1): Likewise for `temp2'.
-
- * local-alloc.c (block_alloc): Likewise for `r1'.
-
- * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
-
- * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
- (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
-
- * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
- and `set2'.
-
- * reload.c (find_reloads): Likewise for `goal_alternative_number'
- and `goal_earlyclobber'.
-
- * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
-
- * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
-
- * stupid.c (stupid_life_analysis): Likewise for `chain'.
-
- * unroll.c (copy_loop_body): Likewise for `copy'.
-
- * varasm.c (output_constructor): Likewise for `byte'.
-
-Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
-
- * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
- all FP constants for constant->reg moves.
- (ix86_split_to_parts): Try to convert memory address into immediate
- when available in the constant pool.
- * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
- moves.
- (LEGITIMATE_CONSTANT_P): Return 1.
- * i386.md (pushsf): New splitter to convert constant pool memory
- reference to immediate.
- (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
- reload.
-
-2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
- (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
- ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
- (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
- rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
-
-2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
-
- * ginclude/stdbool.h: Support compilation as C++.
-
-Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * fold-const.c (make_range): Don't try to reverse an unbounded range.
-
-Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
-
- * regclass.c (regclass): Properly compute loop_cost. Adjust
- comments.
-
- * regclass.c: Fix minor whitespace problems.
-
-2000-01-03 Anthony Green <green@cygnus.com>
-
- * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
- Restore the pic register if required.
-
-2000-01-03 Ulrich Drepper <drepper@cygnus.com>
-
- * c-common.c (format_char_info): Update comment.
- (check_format_info): Recognize 'z' modifier in the same way 'Z'
- was recognized. Emit warning for formats new in ISO C99 only
- if flag_isoc9x is not set.
-
-Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
-
- * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
-
-Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
-
- * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
- SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
- (make_compound_operation): Choose cheaper alternative between
- ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
-
- * regclass.c (op_costs): Remove global variable.
- (record_reg_classes): New parameter "op_costs" and "reg_pref".
- (record_operand_costs): Break out from ...
- (scan_one_insn): ... here.
- (dump_regclass): Make dumps nicer.
- (regclass): Dump preferrences choosed and changes done during passes.
-
-2000-01-03 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
-
-2000-01-03 Jakub Jelinek <jakub@redhat.com>
-
- * config/sparc/sparc.c (gen_df_reg): New function.
- * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
- * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
- movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
- movtf_cc_reg_sp64+1): Use it.
-
-2000-01-02 Mark Mitchell <mark@codesourcery.com>
-
- * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
- copied LABEL_DECLs.
-
-Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
-
- * config/i386/i386.c (ix86_expand_unary_operator): Function
- definition made void.
- (ix86_expand_binary_operator): Update outdated preceding comment.
- * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
- prototype.
-
- * config/i386/i386.c (override_options): Fix option-name typo.
-
-2000-01-02 Mark Mitchell <mark@codesourcery.com>
-
- * system.h (CEIL): Define.
- * builtins.c (CEIL): Remove.
- * expmed.c (CEIL): Likewise.
- * expr.c (CEIL): Likewise.
- * stor-layout.c (CEIL): Likewise.
-
-2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
-
- * expr.c (store_constructor_field): Fix typo introduced with last
- gcc2 merge.
-
-2000-01-01 Mark Mitchell <mark@codesourcery.com>
-
- * tree.h (BINFO_N_BASETYPES): New macro.
-
-2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
-
- * expmed.c (emit_store_flag): Prevent losing a pending stack
- adjust the same way we prevent losing queued increments.
-
-See ChangeLog.2 for earlier changes.
diff --git a/gcc/ChangeLog.3 b/gcc/ChangeLog.3
new file mode 100644
index 00000000000..feb39cdb4bc
--- /dev/null
+++ b/gcc/ChangeLog.3
@@ -0,0 +1,16860 @@
+2000-06-30 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
+ * c-common.c (ridpointers): Declare.
+ * c-common.h (enum rid): Declare.
+ (NORID): Likewise.
+ (ridpointers): Likewise.
+ * c-lex.c (ridpointers): Don't declare.
+ (init_lex): Initialize ridpointers.
+ * c-lex.h (enum rid): Don't declare.
+ (NORID): Likewise.
+ (RID_FIRST_MODIFIER): Likewise.
+ (ridpointers): Likewise.
+
+2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
+ have global scope.
+
+2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (-Wreturn-type): In C++, a missing return type is
+ always an error.
+
+2000-06-30 Catherine Moore <clm@cygnus.com>
+
+ * c-common.c (decl_attributes): Differentiate between
+ types and type decls for alignment.
+
+2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpp.texi: Document #pragma GCC dependency
+ * cppfiles.c (open_include_file): Set date to unknown.
+ (_cpp_compare_file_date): New function.
+ (read_include_file): Set file date.
+ * cpphash.h (struct include_file): Add date member.
+ (_cpp_compare_file_date): Prototype.
+ * cpplib.c (parse_include): Add trail parameter. Adjust.
+ (do_include): Adjust parse_include call.
+ (do_import): Likewise.
+ (do_include_next): Likewise.
+ (gcc_pragmas): Add dependency pragma.
+ (do_pragma_dependancy): New pragma.
+
+2000-06-29 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (output_loc_operands): Don't abort on codes that have
+ no operands.
+
+2000-06-29 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
+ a volatile mem and FR_REGS.
+
+2000-06-29 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
+ * c-common.h (flag_const_strings): Declare.
+ (warn_format): Likewise.
+ (flag_traditional): Likewise.
+ (flag_isoc99): Likewise.
+ (warn_parentheses): Likewise.
+ (warn_conversion): Likewise.
+ (C_TYPE_OBJECT_P): Likewise.
+ (C_TYPE_INCOMPLETE_P): Likewise.
+ (C_TYPE_FUNCTION_P): Likewise.
+ (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+ (C_EXP_ORIGINAL_CODE): Likewise.
+ (build_unary_op): Likewise.
+ (build_binary_op): Likewise.
+ (lvalue_p): Likewise.
+ (default_conversion): Likewise.
+ (common_type): Likewise.
+ * c-tree.h (C_TYPE_OBJECT_P): Remove.
+ (C_TYPE_INCOMPLETE_P): Likewise.
+ (C_TYPE_FUNCTION_P): Likewise.
+ (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+ (C_EXP_ORIGINAL_CODE): Likewise.
+ (common_type): Likewise.
+ (default_conversion): Likewise.
+ (build_binary_op): Likewise.
+ (build_unary_op): Likewise.
+ (lvalue_p): Likewise.
+ (flag_const_strings): Likewise.
+ (warn_format): Likewise.
+ (warn_conversion): Likewise.
+ (flag_traditional): Likewise.
+ (flag_isoc99): Likewise.
+ (warn_parentheses): Likewise.
+
+2000-06-29 James E. Wilson <wilson@cygnus.com>
+
+ * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
+
+ * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
+ same. Only tie XFmode with XFmode.
+
+2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c, timevar.c, tlink.c: Include intl.h.
+ * Makefile.in: Update deps.
+
+2000-06-29 Andrew Haley <aph@cygnus.com>
+
+ * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
+ to true.
+
+2000-06-29 Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
+ bytes: remove the multiply by 8.
+
+2000-06-29 Philipp Thomas <pthomas@suse.de>
+
+ * rtl.c : Revert NLS changes.
+ * gcc.c : Fix bug in display_help introced by my last changes.
+
+Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
+
+ * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
+ DECL_CONTEXT, not DECL_FIELD_CONTEXT.
+
+2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_depth_first_order_compute): Fix algorithm.
+
+2000-06-28 Philipp Thomas <pthomas@suse.de>
+
+ * c-decl.c : Mark strings for translation.
+ (parmlist_tags_warning): Use distinct messages instead
+ of conditional expressions.
+ * diagnostic.c (v_message_with_decl): Mark string for translation.
+ * gcc.c: Mark messages for translation.
+ (display_help): Combine messages into one string where necessary.
+ * mips-tfile: Add intl.h. Mark messages for translation.
+ * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
+ messages for translation.
+ * timevar.c: Mark messages for translation.
+ * tlink.c: Likewise.
+ * toplev.c: Likewise.
+
+Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
+
+ * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
+
+ * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
+ use -isystem instead of -idirafter.
+ * i386/i386-interix.h: Likewise.
+
+2000-06-28 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (output_loc_operands): Don't support >1 byte output
+ unless DWARF2_DEBUGGING_INFO is defined.
+ (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
+
+2000-06-28 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
+
+2000-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (output_line_command): Output correct #line if a header
+ is including itself and is not protected against multiple inclusion.
+
+2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): If open(2) returns EMFILE or
+ ENFILE, close all cached file descriptors and try again.
+ (_cpp_execute_include): Keep a count of the number of times
+ each header is included.
+ (close_cached_fd): New function.
+ * cpphash.h (struct include_file): Rename before to
+ include_count; all users updated. Make include_count and sysp
+ unsigned short.
+ * cppinit.c (cpp_finish): If -H, report headers that could use
+ reinclude guards.
+ (report_missing_guard): New function.
+
+Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (prologue_set_got): Set length_immediate field.
+ (testqi_ccno_1): Add missing '@' character.
+
+2000-06-27 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
+ DWARF_FRAME_REGNUM.
+
+2000-06-27 Andrew Macleod <amacleod@cygnus.com>
+
+ * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
+ unsigned macros available.
+
+2000-06-27 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (emit_insn_group_barriers): Special case
+ epilogue_deallocate_stack.
+
+ * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
+ completers for UNORDERED and ORDERED as well.
+ * config/ia64/ia64.md (bunordered, bordered): New.
+ (sunordered, sordered): New.
+
+Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
+ * i386.c (ix86_attr_length_default): Kill.
+ (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+ New.
+ * i386-protos.h (ix86_attr_length_default): Kill
+ (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+ Add prototype
+ * i386.md (attribute type): Add "test".
+ (attribute length_prefix): Kill.
+ (attribute length_opcode): Kill.
+ (attribute i387, mode, length_immediate, length_address, prefix_data16,
+ prefix_rep, prefix_0f, modrm): New.
+ (attribute length): Compute using the new attributes.
+ (attribute pent_prefix): New.
+ (attribute pent_pair): Compute using pent_prefix.
+ (all insn patterns): Set mode,modrm and immediate_length attributes where
+ needed.
+ (cmpsi patterns): Compute sizes propertly for test instruction.
+ (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
+ (movstricthi_xor, movstrictqi_xor): New patterns.
+ (andsi/andhi): Use splitters to generate xor instructions.
+ (xorqi_ext_1): New pattern.
+ (movstricthi->movstricthi_xor peep2): New.
+
+Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (addqi_low_1): Remove.
+
+2000-06-27 Philipp Thomas <pthomas@suse.de>
+
+ * 1750a.h: Mark help strings for options/switches for translation.
+ * a29k.h: Likewise.
+ * alpha.h: Likewise.
+ * arm.h: Likewise.
+ * pe.h: Likewise.
+ * riscix.h: Likewise.
+ * c4x.h: Likewise.
+ * clipper.h: Likewise.
+ * convex.h: Likewise.
+ * elxsi.h: Likewise.
+ * fr30.h: Likewise.
+ * fx80.h: Likewise.
+ * h8300.h: Likewise.
+ * i370.h: Likewise.
+ * cygwin.h: Likewise.
+ * dgux.h: Likewise.
+ * djgpp.h: Likewise.
+ * i386.h: Likewise.
+ * osf1elf.h: Likewise.
+ * osfrose.h: Likewise.
+ * sco5.h: Likewise.
+ * win32.h: Likewise.
+ * i860.h: Likewise.
+ * paragon.h: Likewise.
+ * i960.h: Likewise.
+ * ia64.h: Likewise.
+ * m32r.h: Likewise.
+ * mcore.h: Likewise.
+ * mips.h: Likewise.
+ * mn10300.h: Likewise.
+ * ns32k.h: Likewise.
+ * pdp11.h: Likewise.
+ * pj.h: Likewise.
+ * aix.h: Likewise.
+ * aix41.h: Likewise.
+ * aix43.h: Likewise.
+ * beos.h: Likewise.
+ * rs6000.h: Likewise.
+ * sysv4.h: Likewise.
+ * linux.h: Likewise.
+ * linux64.h: Likewise.
+ * sp64-elf.h: Likewise.
+ * sparc.h: Likewise.
+ * splet.h: Likewise.
+ * v850.h: Likewise.
+ * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
+ for translation.
+ * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
+ Properly document option and mark for translation.
+ * sp86x-elf.h: Likewise.
+
+2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ Add MMX and SSE registers to i386 machine description.
+ * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
+ ix86_local_alignment): Declare.
+
+ * i386.h (TARGET_MMX, TARGET_SSE): New.
+ (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
+ REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
+ enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
+ (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
+ (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
+ (RETURN_IN_MEMORY): Handle MMX/SSE.
+ (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
+ also get stack space.
+ (MUST_PASS_IN_STACK): Added TImode to the default definition.
+ (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
+ (MMX_REGISTER_NAMES): New.
+ (ALIGN_MODE_128): New macro.
+ (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
+ (DATA_ALIGNMENT): Likewise.
+ (LOCAL_ALIGNMENT): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
+ TARGET_MMX/TARGET_SSE.
+ (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
+ (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
+ (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
+ SSE/MMX regs and something else.
+ (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
+ (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
+ 3 if moving between MMX regs and something else.
+
+ * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
+ (regclass_map): Add MMX/SSE registers.
+ (print_operand): Add code to print XMMWORD as appropriate.
+ (ix86_split_movdi): Abort for MMX regs.
+ (init_cumulative_args): Also allow SSE_REGS
+ (function_arg_advance, function_arg): Likewise
+ (print_reg): Support 'm'. Add case for TImode.
+ (override_options): TARGET_SSE implies TARGET_MMX.
+ (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
+ New functions.
+
+ * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
+ FIRST_SSE_REG.
+ * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
+ memory.
+ * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
+ * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
+
+2000-06-26 Geoff Keating <geoffk@cygnus.com>
+
+ * ssa.c (struct rename_set_data): Change the name of field
+ 'set_dest' to 'old_reg'. Add comments.
+ (struct rename_context): Change the name of 'set_data' to
+ 'new_renames'. Add new field 'done_renames'.
+ (create_delayed_rename): New function.
+ (apply_delayed_renames): New function.
+ (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
+ SUBREGs and similar by emitting a move.
+ (new_registers_for_updates): Delete, functionality moved to
+ apply_delayed_renames.
+ (rename_block): Handle moves emitted by rename_insn_1 by putting
+ them into a SEQUENCE with the original insn. Add sanity checks
+ and comments.
+ (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
+ (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
+
+2000-06-26 Andrew Macleod <amacleod@cygnus.com>
+ Jason Merrill <jason@redhat.com>
+
+ * dwarf2.h (enum dwarf_call_frame_info): Add
+ DW_CFA_def_cfa_expression.
+ * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
+ dw_loc_descr_struct entry.
+ (struct cfa_loc): New structure to track a CFA location.
+ (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
+ (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
+ offset, plus handle DW_CFA_def_cfa_expression.
+ (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
+ cfa_loc record.
+ (dwarf2out_def_cfa): Entry point maintained for compatability.
+ (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
+ (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
+ (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
+ (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
+ cfa_reg.
+ (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
+ sequences for the new DW_CFA_def_cfa_expression record.
+ (dwarf2out_frame_debug): Use new variables/fields.A
+ (output_cfi): Handle DW_CFA_def_cfa_expression.
+ (output_cfa_loc): New function to generate a CFI record for
+ DW_CFA_def_cfa_expression.
+ (get_cfa_from_loc_descr): New function to get a cfa_loc record from
+ a dw_loc_descr sequeunce.
+ (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
+ (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
+ size_of_locs, output_loc_operands, output_loc_sequence): Move into
+ unwind info section.
+ * frame.h (frame_state): Add base_offset and indirect fields.
+ * frame-dwarf2.c (decode_stack_op): New function to interpret a
+ dw_loc_descr operation.
+ (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
+ (struct frame_state): Add base offset and indirect fields.
+ * libgcc2.c (next_stack_level): Support indirect loading for CFA.
+
+2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
+ Make warnings about implicit int be pedwarns in C99. Don't warn
+ about duplicate type qualifiers in C99.
+ (start_function): Make warning about implict int return type be a
+ pedwarn in C99.
+ * c-lex.c (yylex): Don't warn about `long long' in C99.
+ * c-typeck.c (c_expand_return): In C99, always pedwarn about
+ `return' with no value in function returning non-void.
+
+2000-06-26 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (pedwarn_c99): New.
+ * diagnostic.c (verror, vwarning, vpedwarn): Export.
+ * toplev.h: Prototype them.
+
+2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * c-typeck.c (digest_init): Return error_mark_node node when
+ TREE_TYPE (init) == error_mark_node.
+
+2000-06-26 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
+ test for msgfmt without path instead.
+ * configure: Rebuilt.
+
+2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * gengenrtl.c (special_rtx): Fix typo in comment.
+
+2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * mklibgcc.in (LIB2FUNCS): Add missing space.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.h (enum tree_index): Add vector type nodes.
+ Add accessor macros for them.
+ (TYPE_REPRESENATION_TYPE): New macro.
+ * tree.c (build_common_tree_nodes_2): Build these nodes.
+ (finish_vector_type): New function.
+ * c-common.c (type_for_mode): Handle vector modes.
+ * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
+
+ * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
+ * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
+ * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
+ (gen_type_die): Likewise.
+ * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
+ (fundamental_type_code): Likewise.
+ (type_is_fundamental): VECTOR_TYPEs aren't.
+ (output_type): Handle VECTOR_TYPEs.
+
+2000-06-25 Kazu Hirata <kazu@hxi.com>
+
+ * config/arm.c: Fix a comment typo.
+ * config/arm.h: Likewise.
+
+2000-06-25 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
+ compiler found.
+ AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
+ * configure: Rebuilt.
+
+2000-06-25 John David Anglin <dave.anglin@nrc.ca>
+
+ * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
+
+2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
+ libgcc.a.
+
+2000-06-24 Marc Espie <espie@cvs.openbsd.org>
+
+ * collect2.c (resolve_lib_name): Move '/' check out of loop.
+
+2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
+
+ * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
+
+2000-06-24 Jakub Jelinek <jakub@redhat.com>
+
+ * stmt.c (expand_decl_cleanup): Emit a dummy insn after
+ last_unconditional_cleanup.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.def (VECTOR_TYPE): New node type.
+ * tree.h: Adjust some comments to reflect addition of vector types.
+ (TYPE_VECTOR_SUBPARTS): New macro.
+ * stor-layout.c (layout_type): Handle VECTOR_TYPE.
+ * c-convert.c (convert): Likewise.
+ * convert.c (convert_to_integer): Handle vector modes.
+ (convert_to_vector): New function.
+ * convert.h (convert_to_vector): Declare.
+ * expr.c (convert_move): Handle vector modes.
+ * expmed.c (extract_bit_field): Don't abort for vector modes.
+
+2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
+ * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
+ New functions, common code moved from function_{prologue,epilogue}
+ and extended to support the -mtiny-stack option.
+ (function_prologue, function_epilogue): Use them.
+ Use lo8/hi8 consistently for asm output readability.
+ (avr_hard_regno_mode_ok): New function.
+ * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
+ (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
+ (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
+ * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
+ Write SPH before SPL.
+ (*movqi): No need to disable interrupts for just one "out"
+ in alternative 5. Change length attribute from 4 to 1.
+ * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
+ Write SPH before SPL.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * rtl.texi (Vector Operations): New node.
+ (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
+ (Conversions): Add ss_truncate, us_truncate.
+ * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
+ VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
+ US_TRUNCATE): New rtx codes.
+ * machmode.def: Add vector modes.
+ * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
+ MODE_VECTOR_FLOAT.
+ (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
+ (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
+ (VECTOR_MODE_P): New.
+
+2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpp.texi: Clarify #pragma GCC namespace.
+
+2000-06-24 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
+ all catalogs specified in ALL_LINGUAS.
+ * configure: Rebuilt.
+
+2000-06-23 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (reload_outdi+1): Handle
+ HOST_BITS_PER_WIDE_INT == 64 case correctly.
+ (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
+
+2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
+
+ * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
+ struct vs. scalar-ness when -fno-strict-aliasing.
+
+2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpplib.c (struct pragma_entry): New structure.
+ (pragma_dispatch): Pragma dispatcher.
+ (top_pragmas, gcc_pragmas): New static variables.
+ (do_pragma): Use pragma_dispatch.
+ (do_pragma_gcc): New pragma handler.
+ * cpp.texi: Update.
+
+2000-06-23 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (compute_argument_addresses): Force stack slots into
+ alias set 0.
+ * expr.c (emit_push_insn): Force pushes into alias set 0.
+
+2000-06-23 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
+ * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
+
+2000-06-22 Jason Merrill <jason@redhat.com>
+
+ * toplev.c (compile_file): Always call timevar_print.
+ * Makefile.in (calls.o): Depend on TIMEVAR_H.
+
+2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
+
+ * varasm.c (constant_descriptor): Make contents unsigned char.
+ (mark_const_hash_entry): Adjust.
+ (const_hash): Just hash the code of unknown nodes.
+ (compare_constant_1): Adjust for unsigned char.
+ Use language specific expander on unknown nodes.
+ (record_constant_1): Likewise.
+
+2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_make_system_header): New function.
+ * cpplib.h: Prototype it.
+ * cpplib.c (do_line, do_pragma_system_header): Use it.
+ * fix-header.c (read_scan_file): Use it.
+
+ * fix-header.c (check_macro_names): Cast second arg of
+ cpp_defined to const unsigned char *.
+ (read_scan_file): Make getchar_call const unsigned char.
+
+2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Include splay-tree.h, not hashtab.h.
+ (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
+ (destroy_include_file_node): New.
+ (_cpp_init_include_hash): Rename _cpp_init_include_table.
+ Create a splay tree, not a hash table.
+ (open_include_file): Look up the path in the include table,
+ do the multiple include optimization here, etc.
+ (cpp_included): Walk the path.
+ (find_include_file): Just walk the path calling
+ open_include_file, or call it directly for an absolute path.
+ (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
+ scheme.
+ (read_include_file): Update for new scheme. Don't close the
+ file unless reading fails.
+ (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
+
+ * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
+ (struct include_file): New.
+ (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
+ macros.
+ (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
+ Update prototypes.
+
+ * cppinit.c: Include splay-tree.h.
+ (cpp_reader_init, cpp_cleanup): Update.
+
+ * cpplib.h (struct cpp_buffer): Change ihash field to
+ 'struct include_file *inc'. Remove system_header_p.
+ (struct cpp_reader): Change all_include_files to a
+ struct splay_tree_s *.
+
+ * cpplex.c: Update all references to cpp_buffer->ihash and/or
+ cpp_buffer->system_header_p.
+ (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
+
+ * Makefile.in (SPLAY_TREE_H): New macro.
+ (cppfiles.o, cppinit.o): Update dependencies.
+
+Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
+
+ * invoke.texi (g++): "g++" is not a script anymore.
+
+2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * function.c (round_down): Delete obsolete prototype.
+
+ * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
+
+2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Use 'test a = b' not 'test a == b'.
+ * configure: Regen.
+
+ * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
+
+ * Makefile.in: Remove all references to HOST_INTLLIBS.
+
+ * cpplex.c (parse_name): Don't warn about $ in identifiers if
+ skipping.
+
+2000-06-20 Philipp Thomas <pthomas@suse.de>
+
+ * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
+ for PA 2.0.
+
+Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Take REG_INC notes into account.
+
+2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
+ (primary: IDENTIFIER): Just call build_external_ref.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerate.
+ * c-lex.c (lastiddecl): Remove.
+ (yylex): Replace all instances of lastiddecl with local
+ variables.
+
+ * c-typeck.c (build_external_ref): New function. Treat decls
+ with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
+ Look up the decl from the id here. Call lookup_objc_ivar.
+ * c-lang.c (lookup_objc_ivar): Stub.
+ * objc/objc-act.c (lookup_objc_ivar): New function.
+
+ * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
+ * c-lex.h: Don't declare lastiddecl.
+
+2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (IF_COND): Added documentation.
+ (THEN_CLAUSE): Likewise.
+ (ELSE_CLAUSE): Likewise.
+ (WHILE_COND): Likewise.
+ (WHILE_BODY): Likewise.
+ (DO_COND): Likewise.
+ (DO_BODY): Likewise.
+ (RETURN_EXPR): Likewise.
+ (EXPR_STMT_EXPR): Likewise.
+ (FOR_INIT_STMT): Likewise.
+ (FOR_COND): Likewise.
+ (FOR_EXPR): Likewise.
+ (FOR_BODY): Likewise.
+ (SWITCH_COND): Likewise.
+ (SWITCH_BODY): Likewise.
+ (CASE_LOW): Likewise.
+ (CASE_HIGH): Likewise.
+ (GOTO_DESTINATION): Likewise.
+ (COMPOUND_BODY): Likewise.
+ (ASM_CV_QUAL): Likewise.
+ (ASM_STRING): Likewise.
+ (ASM_OUTPUTS): Likewise.
+ (ASM_INPUTS): Likewise.
+ (ASM_CLOBBERS): Likewise.
+ (DECL_STMT_DECL): Likewise.
+ (STMT_EXPR_STMT): Likewise.
+ (LABEL_STMT_LABEL): Likewise.
+
+ * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
+ COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
+ RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
+ LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (--enable-checking): Update --help doc to reflect
+ new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
+
+Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
+
+ * function.c (put_var_into_stack): Don't reference DECL_ fields
+ if input is a SAVE_EXPR.
+ Use set_mem_attributes in COMPLEX case.
+
+2000-06-18 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
+ (ia64_file_start): Declare.
+ * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
+ (GR_REGNO_P): Likewise.
+ * config/ia64/ia64.c: Many prototypes.
+ (ia64_reg_numbers): Constify.
+ (ia64_input_reg_names, ia64_local_reg_names): Likewise.
+ (ia64_section_threshold): Make unsigned.
+ (ia64_print_operand): Constify.
+ (fix_range): Constify.
+ (ia64_init_builtins): Don't compare signed vs unsigned.
+ (ia64_expand_builtin): Likewise.
+
+ * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
+ (CONSTRAINT_OK_FOR_Q): New.
+ * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
+ (movsf_internal, movdf_internal): Likewise.
+ (cmovdi_internal): Rewrite so that constraints and predicates match;
+ simplify splitters.
+ (cmovsi_internal): Likewise.
+
+ * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
+ (ASM_FILE_START): New.
+ * config/ia64/ia64.c (ia64_file_start): New.
+ (rtx_needs_barrier): Handle pred.rel.mutex.
+ (emit_predicate_relation_info): New.
+ * config/ia64/ia64.md (pred_rel_mutex): New.
+ * config/ia64/linux.h (ASM_SPEC): Define.
+ * config/ia64/sysv4.h (ASM_FILE_START): Define.
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
+ filtering global register variables.
+
+2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (add_c_tree_codes): Fix definition for traditional C.
+
+2000-06-17 Michael Meissner <meissner@redhat.com>
+
+ * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
+ not present and there is a field after a '-'.
+
+2000-06-17 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: finish the implementation of multiple tests
+ for a single fix
+ * fixinc/inclhack.def(ctrl_quotes_def): add a second test
+ (io_quotes_def): add a second test
+ (various): reorder `files' so that "limits.h" is never first
+ * fixinc/tests/base/*: update the testing output
+
+Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.texi: Remove reference to stupid.c.
+
+2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.c (c_tree_code_type): New array.
+ (c_tree_code_length): Likewise.
+ (c_tree_code_name): Likewise.
+ (add_c_tree_codes): New function.
+
+ * c-common.h (add_c_tree_codes): Declare.
+ (enum c_tree_code): New enum.
+
+ * c-lex.c (init_parse): Added call to add_c_tree_codes.
+
+2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
+ select pattern to also match macro defs with only one argument.
+
+Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386.md: Create new [right,left] rotate and right shift
+ patterns to optimize shift by 1 bit for certain ia32 processors.
+ Update patterns which perform left shifts to optimize shift by
+ 1 bit for certain ia32 processors.
+ * i386.c (const_int_1_operand): New predicate.
+ * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
+ * i386-protos.h (const_int_1_operand): Prototype.
+
+Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * mips.c (machine_dependent_reorg): Fix braces for nested if.
+
+2000-06-14 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
+ LABEL_REFs.
+
+2000-06-14 Richard Henderson <rth@cygnus.com>
+
+ * conflict.c (conflict_graph_compute): Don't look for REG_INC.
+
+ * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
+ auto-inc code.
+
+ * print-rtl.c (print_rtx): Emit space before mem alias set.
+
+2000-06-14 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): Fix typo in earlier change.
+ (print_operand): Remove unused variables neg and op.
+ (toc_hash_mark_entry): Fix prototype.
+
+2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
+ (THEN_CLAUSE): Likewise.
+ (ELSE_CLAUSE): Likewise.
+ (WHILE_COND): Likewise.
+ (WHILE_BODY): Likewise.
+ (DO_COND): Likewise.
+ (DO_BODY): Likewise.
+ (RETURN_EXPR): Likewise.
+ (EXPR_STMT_EXPR): Likewise.
+ (FOR_INIT_STMT): Likewise.
+ (FOR_COND): Likewise.
+ (FOR_EXPR): Likewise.
+ (FOR_BODY): Likewise.
+ (SWITCH_COND): Likewise.
+ (SWITCH_BODY): Likewise.
+ (CASE_LOW): Likewise.
+ (CASE_HIGH): Likewise.
+ (GOTO_DESTINATION): Likewise.
+ (COMPOUND_BODY): Likewise.
+ (ASM_CV_QUAL): Likewise.
+ (ASM_STRING): Likewise.
+ (ASM_OUTPUTS): Likewise.
+ (ASM_INPUTS): Likewise.
+ (ASM_CLOBBERS): Likewise.
+ (DECL_STMT_DECL): Likewise.
+ (STMT_EXPR_STMT): Likewise.
+ (LABEL_STMT_LABEL): Likewise.
+ (SCOPE_BEGIN_P): Likewise.
+ (SCOPE_END_P): Likewise.
+ (SCOPE_STMT_BLOCK): Likewise.
+ (SCOPE_NULLIFIED_P): Likewise.
+ (SCOPE_NO_CLEANUPS_P): Likewise.
+ (SCOPE_PARTIAL_P): Likewise.
+ (ASM_VOLATILE_P): Likewise.
+ (STMT_LINENO): Likewise.
+ (STMT_LINENO_FOR_FN_P): Likewise.
+
+ * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
+ ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
+ FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
+ CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
+ SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+ * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
+
+2000-06-14 David O'Brien <obrien@FreeBSD.org>
+
+ * gcc.c (main): Quiet compiler warnings. argv is assumed to be
+ writable in parts of the GCC code.
+
+ * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
+ specification match cast.
+
+Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
+ * configure, config.in: Rebuilt.
+ * sys-protos.h: Similarly.
+
+Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
+
+ * ifcvt.c (EDGE_COMPLEX): Move definition ...
+ * basic-block.h (EDGE_COMPLEX): ... here.
+
+ * loop.c (check_dbra_loop): Specify the register when
+ generating REG_NONNEG notes and don't generate duplicates.
+
+2000-06-13 Jakub Jelinek <jakub@redhat.com>
+
+ * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
+ (struct tree_type, struct tree_decl): Add user_align member.
+ * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
+ (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
+ and DECL_USER_ALIGN 0, cap alignment to this value.
+ (place_field): Likewise.
+ (finalize_type_size): Set TYPE_USER_ALIGN.
+ (layout_type): Likewise.
+ (initialize_sizetypes): Likewise.
+ * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
+ DECL_USER_ALIGN to 1.
+ * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
+ (xfer_tag): Set TYPE_USER_ALIGN.
+ (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+ (finish_enum): Likewise.
+ * stmt.c (expand_decl): Set DECL_USER_ALIGN.
+ (expand_anon_union_decl): Likewise.
+ * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+ (build_index_type): Set TYPE_USER_ALIGN.
+ (build_range_type): Likewise.
+ (build_common_tree_nodes_2): Likewise.
+ * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
+
+2000-06-13 Andreas Jaeger <aj@suse.de>
+
+ * configure.in: Use --enable-checking=misc,tree,gc by default if
+ no --enable-checking option is given and for
+ --enable-checking=yes.
+ * configure: Rebuilt.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
+ (__throw): Don't pass the address of a label.
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): Use
+ current_function_is_leaf.
+ (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
+ instead of reg_names[RETURN_ADDRESS_REGNUM].
+ (ia64_init_machine_status): Reset return_address_pointer_rtx.
+ * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
+ from RETURN_ADDRESS_REGNUM. Update all uses.
+ (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
+ zero instead of null on failure.
+ (ELIMINABLE_REGS): Add ra->b0 elimination.
+ (CAN_ELIMINATE): Update accordingly.
+ (INITIAL_ELIMINATION_OFFSET): Likewise.
+ (REGISTER_NAMES): Use an illegal assembler name for
+ RETURN_ADDRESS_POINTER_REGNUM.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
+ GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
+ (HARD_REGNO_MODE_OK): Remove references to them.
+ (REGNO_REG_CLASS): Likewise.
+ (REG_CLASS_FROM_LETTER): Likewise.
+ (CLASS_MAX_NREGS): Likewise.
+ (REGISTER_MOVE_COST): Likewise.
+ * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
+ * config/ia64/ia64.md (*): Replace "e" constraints with "f".
+ (movqi_internal): Special case moves from zero.
+ (movhi_internal, movsi_internal): Likewise.
+ (movdi_internal): Likewise. Fill out "f" constraints.
+ (movsf_internal): Fill out "r" constraints.
+ (movdf_internal): Likewise.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
+ alive before reload.
+
+ * haifa-sched.c (struct deps): Add in_post_call_group_p.
+ (add_dependence): Handle notes between SCHED_GROUP_P insns.
+ (remove_dependence): Always define.
+ (set_sched_group_p): New.
+ (sched_analyze_2): Use it.
+ (sched_analyze_insn): Don't special-case naked uses. Look for
+ and extend in_post_call_group_p.
+ (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
+ (init_deps): Clear in_post_call_group_p.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
+ CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
+ and hard-coded tests.
+ (simplify_set): Likewise.
+ (gen_lowpart_for_combine): Likewise.
+ * emit-rtl.c (gen_lowpart_common): Likewise.
+ * global.c (find_reg): Likewise.
+ * local-alloc.c (find_free_reg): Likewise.
+ * recog.c (register_operand): Likewise.
+ * regclass.c (init_reg_sets_1): Likewise.
+ (record_operand_costs, regclass): Likewise.
+ * reload.c (push_reload): Likewise.
+ * reload1.c (choose_reload_regs): Likewise.
+ * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
+ * local-alloc.c (struct qty): Rename changes_size to changes_mode.
+ Update all references.
+ * regs.h (struct reg_info_def): Likewise.
+ (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
+ * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
+ (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
+
+ * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
+ (CLASS_CANNOT_CHANGE_MODE_P): New.
+ * config/mips/mips.h: Likewise.
+ * config/pa/pa32-regs.h: Likewise.
+ * config/pa/pa64-regs.h: Likewise.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/sh/sh.h: Likewise.
+ * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
+ (CLASS_CANNOT_CHANGE_MODE_P): New.
+ * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
+ * config/d30v/d30v.h: Likewise.
+
+2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * configure.in: Add AC_TYPE_GETGROUPS test.
+ * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
+ * configure: Rebuilt.
+ * config.in: Rebuilt.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * explow.c (set_mem_attributes): Do nothing for NULL type.
+
+Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
+
+ * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
+ correctly.
+
+2000-06-13 James E. Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
+
+Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
+
+2000-06-13 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
+ * configure: Rebuilt.
+
+2000-06-07 David O'Brien <obrien@FreeBSD.org>
+
+ * configure.in: Adjust FreeBSD bits to match changes to config.guess.
+ We now default to ELF for the i386, and a.out is the special case.
+ * configure: Rebuilt.
+
+Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * final.c (final_scan_insn): Delete notes between cc0 setter and
+ user when restarting from setter.
+
+2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
+ cast to squelch signed/unsigned warnings.
+
+2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (handle_directive): Print non-NUL-terminated string
+ with %.*s.
+
+2000-06-12 Michael Meissner <meissner@redhat.com>
+
+ * ifcvt.c (dead_or_predicable): Don't do conditional execution
+ path if the machine needs extra support to do conditional
+ execution.
+
+Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
+
+ * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
+ to print the alias set.
+ * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
+
+2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * config/float-vax.h: Add GFLOAT defines.
+
+Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
+
+ * configure.in: Update tm dependencies for MPE.
+ * configure: Rebuilt.
+
+2000-06-12 H.J. Lu <hjl@gnu.org>
+
+ * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
+
+2000-06-12 David Edelsohn <edelsohn@gnu.org>
+
+ * aix41.h (SUBTARGET_SWITCHES): Delete threads.
+ (CPP_SPEC): Change mthreads to pthread.
+ (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ * aix43.h (SUBTARGET_SWITCHES): Delete threads.
+ (CPP_SPEC): Change mthreads to pthread.
+ (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ * rs6000-protos.h (reg_or_arith_cint_operand): New.
+ * rs6000.c (reg_or_arith_cint_operand): New.
+ (num_insns_constant_wide): Decorate unsigned constant.
+ * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
+ * rs6000.md (addsi3): Use new predicate.
+ (subsi3, adddi3, subdi3): Likewise.
+
+2000-06-12 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (lang_get_alias_set): Fix typo.
+
+2000-06-12 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (mark_used_regs): Revert last change.
+ (life_analysis): Remove PROP_AUTOINC if running after reload.
+ (propagate_one_insn): PROP_AUTOINC is always off after reload.
+
+2000-06-11 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (mark_used_regs): Don't call find_auto_inc after reload
+ has run.
+
+2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bb-reorder.c (build_scope_forest): Initialize variable
+ `curr_scope'.
+
+ * calls.c (expand_call): Likewise for variables
+ `save_pending_stack_adjust' and `save_stack_pointer_delta'.
+
+ * i386.c (function_arg_advance, function_arg): Cast to avoid
+ signed/unsigned warnings.
+
+ * i386.h (MEMORY_MOVE_COST): Likewise.
+
+ * ifcvt.c (cond_exec_process_if_block): Initialize variables
+ `else_start' and `else_end'.
+
+ * libgcc2.h (__eh_alloc, __eh_free): Prototype.
+
+ * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
+
+2000-06-10 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (libintl.a): Depend on intl.all.
+
+2000-06-09 H.J. Lu (hjl@gnu.org)
+
+ * Makefile.in (c-parse.o): Also depend on output.h.
+
+2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
+
+ * mcore-protos.h: discards const warning removal.
+ * mcore.c: discards const warning removal.
+
+2000-06-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/lib1funcs.asm: Declare the machine architecture at
+ the beginning of the file.
+
+2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * real.h: Add prototype for ldexp.
+
+2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
+ it ggc_alloc, drop second argument, never clear returned memory.
+ * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
+ (ggc_alloc_cleared): New.
+ * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
+ ggc_alloc_obj. Remove ggc_alloc macro.
+ (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
+
+ * rtl.c (rtvec_alloc): Clear the vector always.
+ (rtx_alloc): Clear the first word always. Remove dirty
+ obstack tricks (this routine is no longer a bottleneck).
+ * tree.c (make_node): Clear the new node always.
+ (make_tree_vec): Likewise.
+ (tree_cons): Clear the common structure always.
+ (build1): Likewise; also, clear TREE_COMPLEXITY.
+ * gengenrtl.c: Use puts wherever possible. Remove extra
+ newlines.
+ (gendef): Clear the first word of an RTX in the generator
+ function, irrespective of ggc_p. Initialize '0' slots to
+ NULL.
+ (genlegend): Don't generate obstack_alloc_rtx routine, just a
+ thin wrapper macro around obstack_alloc.
+
+ * stmt.c (expand_fixup): Use ggc_alloc.
+ * c-typeck.c (add_pending_init): Use ggc_alloc.
+ * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
+ * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
+ const0_rtx when it is created.
+ (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
+ we are not in a function.
+
+ * tree.c (tree_class_check_failed): Make second arg an int.
+ * tree.h: Update prototype.
+
+2000-06-09 Geoff Keating <geoffk@cygnus.com>
+
+ * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
+ of an error_mark_node.
+
+Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_output_section_name): bugfix.
+
+2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * timevar.def: Add TV_EXPAND.
+ * timevar.c (timevar_print): Update timing information.
+ * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
+
+ * stmt.c (expand_return): Check for error_mark_node.
+
+2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
+
+ * scan-types.sh (VALUE) Wrap use with double quotes to protect
+ variable against filename expansion when it contains "char *".
+
+ * system.h (SSIZE_MAX): Delete backup definition.
+
+ * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
+ instead of SSIZE_MAX.
+
+2000-06-09 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: Check whether gas supports -relax.
+ * configure, config.in: Rebuilt.
+ * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
+ (EXTRA_SPECS): Add asm_relax.
+ (ASM_SPEC): Add %(asm_relax).
+ (TARGET_SWITCHES): Add -mrelax and -mno-relax.
+ * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
+ (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
+ (ASM_SPEC): Add %(asm_relax).
+ * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
+ * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
+ never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
+ instead of mov, so that gas can further optimize it.
+
+2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
+
+ * dwarf2out.c (size_of_die, case dw_val_class_const): Use
+ size_of_sleb128.
+ (value_format, case dw_val_class_const): Use sdata format.
+ (output_die): Call output_sleb128.
+
+2000-06-08 James E. Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
+ UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
+ ASM_OUTPUT_DWARF_CONST_DOUBLE.
+ (output_die, case dw_val_class_unsigned_const): Correct call to
+ ASM_OUTPUT_DWARF_DATA8.
+ (output_die, case dw_val_class_long_long): Use
+ ASM_OUTPUT_DWARF_CONST_DOUBLE.
+ * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
+ pos is zero.
+
+ * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
+ (output_function_prologue): Fix mispelling.
+ (output_function_prologue, output_function_epilogue): Reorder to
+ match ia64.c definition order.
+ * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
+ (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
+ Use r3 instead of r2 for large stack restores.
+ (ia64_output_end_prologue): New function.
+ (process_set): Emit ".restore sp" for epilogue stack restores.
+ * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
+
+2000-06-08 Jakub Jelinek <jakub@redhat.com>
+
+ * dbxout.c (dbxout_type_fields): Don't segfault on fields with
+ incomplete types.
+
+2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
+
+ * frame.c (end_fde_sort): Remove extraneous erratic array test.
+
+2000-06-08 Denis Perchine <dyp@perchine.com>
+
+ * frame.c (start_fde_sort): Don't malloc (0).
+
+2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
+ error_mark_node.
+ * print-tree.c (print_node): The transparent_union_flag means
+ different things for unions and arrays. Do not inspect it
+ with TYPE_TRANSPARENT_UNION.
+
+2000-06-06 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
+ returned NULL.
+
+Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_output_section_name): output section
+ attributes.
+ * config/avr/libgcc.S (.text.libgcc): declare section attributes.
+
+2000-06-06 James E. Wilson <wilson@cygnus.com>
+
+ * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
+ fields into header field.
+ (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
+ macros to access length, flags, and version info from header field.
+ * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
+ * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
+ (__do_global_ctors_aux): Fix caller.
+ * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
+ prologue_flag to header. Pass to read_P_record.
+ (read_P_record): New argument header. Implement P4 format.
+ Multiply P7_T_SIZE by 16.
+ (execute_one_ia64_descriptor): New static local region_header. Pass to
+ get_unwind_record. Copy r to region_header if r is a header record.
+ (print_all_records): Likewise.
+ (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
+ (__get_personality, __get_except_table): Likewise.
+ * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
+
+2000-06-06 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in (AC_C_INLINE): Added.
+ * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
+ * configure: Regenerate.
+
+2000-06-06 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (c_language_kind): New type.
+ (c_language): New variab.e
+ * c-common.c (lang_get_alias_set): Don't put structures in
+ non-zero alias sets in C++.
+ * c-decl.c (c_language): Define it.
+ * c-lex.c (doing_objc_thang): Remove.
+ * c-tree.h (doing_objc_thang): Make it a macro.
+ * objc/objc-act.c (lang_decode_option): Set c_language, not
+ doing_objc_thang.
+
+2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (output_maximum_width): Remove.
+ (doing_line_wrapping): Tweak.
+ (diagnostic_buffer): New object.
+ (global_output_buffer): New object.
+ (output_destroy_prefix): New function.
+ (default_initialize_buffer): Likewise.
+ (reshape_diagnostic_buffer): Likewise.
+ (initialize_diagnostics): Likewise.
+ (output_clear): Tweak.
+ (line_wrapper_printf): Adjust call to init_output_buffer.
+ (vline_wrapper_message_with_location): Likewise. Use
+ output_destroy_prefix.
+ (v_message_with_decl): Likewise.
+
+ * diagnostic.h (struct output_buffer): Constify prefix.
+ (init_output_buffer, output_get_prefix): Constify.
+ (diagnostic_message_length_per_line): Likewise.
+ (reshape_diagnostic_buffer): Declare.
+ (default_initialize_buffer): Declare.
+ (initialize_diagnostics): Declare.
+ (diagnostic_buffer): Declare new obbject.
+
+ * toplev.c: #include diagnostic.h
+ (display_help): Document diagnostic formatting options.
+ (decode_f_option): Handle diagnostic formatting options.
+ (main): Setup initialization for diagnostic messages outputter.
+
+ * toplev.h (set_message_length): Remove.
+
+ * Makefile.in (toplev.o): Depends upon diagnostic.h
+
+ * invoke.texi : Document diagnostics formatting options.
+
+Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (Make the links): Typo fix : the file that must be
+ included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
+ * configure: File rebuilt.
+
+2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
+
+ * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
+ (eh_context): Add alloc_mask and alloc_buffer emergency fallback
+ space.
+ * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
+ emergency eh_context buffer, if malloc fails.
+ (__eh_free): Moved from cp/exception.cc. Release to emergency
+ eh_context buffer, if appropriate.
+
+2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * expr.c (store_expr): Fix typo.
+
+2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k.c (legitimize_pic_address): Move prototype ...
+
+ * m68k-protos.h (legitimize_pic_address): ... here.
+
+ * m68k.md (legitimize_pic_address): Delete prototypes.
+ (untyped_call): Invoke GEN_CALL(), not gen_call().
+
+ * nextstep.c: Include system.h and toplev.h.
+ (get_directive_line): Don't prototype.
+ (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
+
+ * nextstep.h (handle_pragma): Prototype.
+ (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
+ objc_section_init ...
+ (EXTRA_SECTION_FUNCTIONS): ... here.
+
+Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sdbout.c (struct sdb_file): NAME now const.
+ (sdbout_init): input_file_name now const.
+ (sdbout_start_new_source_file): FILENAME now const.
+ * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
+
+2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * c-typeck.c (build_conditional_expr): Handle complex data types.
+
+2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * explow.c (maybe_set_unchanging): New function, broken out from...
+ (set_mem_attributes): Here.
+ * expr.h: Declare it.
+ * stmt.c (expand_decl): Call it.
+
+2000-06-05 Richard Henderson <rth@cygnus.com>
+
+ * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
+ while looking for a register to inherit from.
+
+2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * Makefile.in (libgcc.ready): Lose.
+ (libgcc.mk): Just use mv, not move-if-change.
+ (LIBGCC_DEPS): New macro.
+ (libgcc.a): Use it.
+ (stmp-multilib): Likewise.
+ * mklibgcc.in (stmp-dirs): New target. Make everything depend on
+ it rather than the directories themselves.
+ (LIB2ADD): Depend on the list file rather than 'force'.
+
+ * fold-const.c (fold, case COND_EXPR): Elide conversion between
+ cv-qualified versions of types.
+
+Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/sparc/sparc.c (short_branch): Correct error in range
+ computation.
+
+2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * fixinc/inclhack.def: New include hacks for ultrix.
+ * (nested_ultrix): Replaced by ultrix_nested_svc.
+ * (ultrix_atof_param): test_text string added.
+ * (ultrix_ifdef): Modified select string.
+
+2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * objc/objc-act.c (generate_method_descriptors): Register
+ objc_method_prototype_template as a GC root.
+ (comp_method_with_proto): Register function_type as a GC root.
+ (comp_proto_with_proto): Replace function_type1 and
+ function_type2 with a two-element array; register it as a GC root.
+
+ (generate_protocols, build_protocol_initializer,
+ generate_protocol_list, build_category_initializer,
+ build_shared_structure_initializer): Do not cache cast_type
+ and/or cast_type2.
+
+2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * function.c (assign_parms): Add missing argument to set_mem_attributes
+ call.
+
+2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.h (VOID_TYPE_P): New macro.
+ (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
+ * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
+ (get_parm_info): Likewise.
+ (store_parm_decls): Likewise.
+ (combine_parm_decls): Likewise.
+ (finish_function): Likewise.
+ * c-typeck.c (build_function_call): Likewise.
+ (build_binary_op): Likewise.
+ (build_conditional_expr): Likewise.
+ (internal_build_compound_expr): Likewise.
+ (convert_for_assignment): Likewise.
+ * stmt.c (expend_expr_stmt): Likewise.
+ (warn_if_unused_value): Likewise.
+ (expand_return): Likewise.
+ * c-parse.in (primary): Likewise.
+ * c-parse.y, c-parse.c, c-parse.h: Regenerate.
+ * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (get_alias_set): If compnent is addressable, use alias
+ set of component.
+ * c-decl.c (init_decl_processing): Don't call record_component_aliases.
+ (grokdeclarator): Likewise.
+ * c-typeck.c (common_type): Likewise.
+
+2000-06-04 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (OBJS): Remove dyn_string.o
+ (dyn-string.o): Delete rule.
+ * dyn-string.c: Delete file
+ * dyn-string.h: Likewise.
+
+2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (intl.*): Honor non-zero exit codes in the intl
+ subdir.
+
+2000-06-03 Geoff Keating <geoffk@cygnus.com>
+
+ * alias.c (record_component_aliases): Don't inspect
+ DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
+
+Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
+
+ * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
+ it with the pattern to do machine dependent work.
+ (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
+ use it to modify the true/false tests used in conditional
+ execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
+ defined, invoke them if the conversion to conditional execution
+ was successful or not.
+
+ * tm.texi (IFCVT_MODIFY_TESTS): Document.
+ (IFCVT_MODIFY_INSN): Ditto.
+ (IFCVT_MODIFY_FINAL): Ditto.
+ (IFCVT_MODIFY_CANCEL): Ditto.
+
+Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * toplev.c (main): Fix misspellings of possibility and language.
+
+2000-06-03 Richard Henderson <rth@cygnus.com>
+
+ * alias.c (record_alias_subset): Initialize has_zero_child in the
+ superset.
+
+2000-06-03 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.md (untyped_call): Use GEN_CALL macro.
+
+2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
+
+ * Makefile.in: Use $(MAKE) not "make"
+
+Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (struct alias_set_entry): New field has_zero_child.
+ (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
+ (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
+ do nothing.
+ Call record_component_aliases for aggregate types.
+ (record_alias_subset): Set has_zero_child.
+ (record_component_aliases, case ARRAY_TYPE): Do nothing if
+ TYPE_NONALIASES_COMPONENT.
+ (record_component_aliases, case RECORD_TYPE): Test
+ DECL_NONADDRESSABLE_P.
+ * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
+ of TREE_ADDRESSABLE.
+ * calls.c (initialize_argument_information): Only test
+ TYPE_TRANSPARENT_UNION for UNION_TYPE.
+ * function.c (assign_parms): Likewise.
+ * integrate.c (function_cannot_inline_p): Likewise.
+ * stor-layout.c (finish_record_layout): Don't call
+ record_component_aliases.
+ * tree.h (struct tree_int_cst): Use struct tree_common.
+ (struct tree_real_cst, struct tree_string): Likewise.
+ (struct tree_complex, struct tree_identifier): Likewise.
+ (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
+ (struct tree_block, struct tree_type, struct tree_decl): Likewise.
+ (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
+ (TYPE_NONALIASES_COMPONENT): New macro.
+ (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
+ (DECL_NONADDRESSABLE_P): New macro.
+ (struct tree_decl): Reorder bits for clarity of how many left;
+ add non_adressable.
+
+2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
+ * mklibgcc.in (force): New target.
+ Make LIB2ADD stuff depend on it.
+
+2000-06-02 Richard Henderson <rth@cygnus.com>
+
+ * alias.c (lang_get_alias_set): Remove.
+ (get_alias_set): Call it directly, not indirectly.
+ * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
+ * c-common.h (c_get_alias_set): Don't declare.
+ * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
+ * expr.h (lang_get_alias_set): Declare as function, not pointer.
+
+2000-06-02 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
+ (server_setup): define the server's master pid
+ (close_server): actually do the deed IFF we are the server's master
+
+2000-06-02 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (c_get_alias_set): Check whether signed_type did not
+ return its argument before calling get_alias_set on the result.
+
+2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
+
+ * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
+
+Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
+ (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
+ for TARGET_NOMACSAVE.
+ (NOMACSAVE_BIT): Define.
+ (TARGET_NOMACSAVE): Define.
+ (TARGET_SWITCHES): Add "nomacsave".
+
+2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
+
+ * sh.md (untyped_call): Remove excess parameters
+
+2000-06-01 Loren J. Rittle <ljrittle@acm.org>
+
+ * fixinc/inclhack.def (osf_namespace_a): Relax expression to
+ match that used before the conversion to c_fix style.
+ * fixinc/fixincl.x: regenerate
+
+2000-06-01 Stan Cox <scox@cygnus.com>
+
+ * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
+ macro argument typo.
+
+2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
+ error message.
+ * cpplib.c (parse_include): Remove support for VAX-C
+ "#include starlet" misfeature.
+
+2000-05-31 Laurynas Biveinis <lauras@softhome.net>
+
+ * cppfiles.c: conditionally define O_BINARY.
+ (open_include_file): pass O_BINARY to open().
+
+2000-06-01 Richard Henderson <rth@cygnus.com>
+
+ * i960.c (i960_br_predict_opcode): Remove.
+ (i960_print_operand) [+]: Emit branch prediction hints.
+ (i960_function_arg): Return early for VOIDmode.
+ (i960_round_align): Return early for incomplete types.
+ * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+ * i960.md (all conditional branches): Add "%+".
+
+Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (get_alias_set): Don't call language-specific routine more
+ than is needed and clean up code a bit.
+ * c-common.c (c_get_alias_set): All references whose type
+ is char get alias set 0, but character types need not.
+ * varasm.c (make_function_rtl): Don't call set_mem_attributes.
+ (make_decl_rtl): Don't call it for FUNCTION_DECL.
+
+2000-06-01 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/tests/base/...: new base result files
+
+Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
+ * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
+ * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
+ will use FCOMI.
+
+2000-06-01 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
+
+ * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
+ CONSTANT_POOL_ADDRESS_P addresses for .sdata.
+ * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
+ * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
+ (ia64_print_operand) [+]: ... here. Use current_output_insn.
+ * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+ * config/ia64/ia64.md (all branch/call patterns): Use %+.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
+ remaining edges.
+ (find_if_block): Allow THEN with no outgoing edges.
+ * flow.c (merge_blocks_nomove): Remove a barrier not following
+ a jump as well.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Move initialization of mem_set_list ...
+ (init_propagate_block_info): ... here. Also track blocks with
+ no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Revert 05-18 change.
+
+2000-05-31 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi: Remove documentation for -fguiding-decls.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * configure.in: Fix typo last change.
+
+2000-05-31 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in (enable-nls): Enable if build == host, i.e. when
+ not building a canadian cross compiler.
+ (enable-maintainer-mode): Added for use with i18n.
+ * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
+ cross section of ALL_LINGUAS and LINGUAS.
+ * configure: Rebuild.
+
+2000-05-31 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: rework to use test result tree
+ * fixinc/Makefile.in: change invocation of check script
+ * fixinc/check.diff: No longer needed
+ * fixinc/fixincl.x: regenerate
+ * fixinc/inclhack.def: add new tests
+ * fixinc/tests/base/arch/i960/archI960.h: New test result
+ * fixinc/tests/base/curses.h: modified test result
+ * fixinc/tests/base/stdio.h: ditto
+ * fixinc/tests/base/time.h: ditto
+ * fixinc/tests/base/sys/asm.h: ditto
+ * fixinc/tests/base/sys/stat.h: ditto
+ * fixinc/tests/base/sys/wait.h: ditto
+
+Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * except.c (clear_function_eh_region): Do not free NULL.
+
+Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
+ * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
+ (REG_BASE_VALUE): Remove unneeded cast to unsigned.
+ (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
+ (find_base_decl): New function, from c_find_base_decl in c-common.c.
+ (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
+ (get_alias_set): Likewise.
+ Major rework to do more things and allow language-specific code
+ to just handle special-cases.
+ (record_alias_subset): Args are HOST_WIDE_INT.
+ (record_component_alias): Local vars are HOST_WIDE_INT.
+ Don't handle COMPLEX_EXPR.
+ (get_varargs_alias_set): Moved from builtins.c.
+ (get_frame_alias_set): New function.
+ * builtins.c (expand_builtin_return_address): Use frame alias set.
+ (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
+ for setjmp buffer.
+ (get_memory_rtx): Rework to use set_mem_attributes.
+ (get_varargs_alias_set): Deleted from here.
+ * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
+ (c_find_base_decl): Deleted from here.
+ (c_get_alias_set): Remove many cases and rework to just handle
+ C-specific cases.
+ * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
+ * c-decl.c (rtl.h, expr.h): Now included.
+ (init_decl_processing): Call record_component_aliases on array types.
+ (grokdeclarator): Likewise.
+ Set TREE_ADDRESSABLE for all fields that are not bitfields.
+ * c-typeck.c (common_type): Call record_component_aliases for array.
+ * caller-save.c (setup_save_areas): Rework register loop for unsigned.
+ Set all save areas to the frame alias set.
+ * calls.c (initialie_argument_information): Call set_mem_attributes.
+ (compute_argument_addresses, expand_call): Likewise.
+ * explow.c (set_mem_attributes): New function.
+ (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
+ * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
+ LEN and OFFSET now HOST_WIDE_INT.
+ (clear_by_pieces): Similar changes.
+ (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
+ (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
+ (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
+ (clear_by_pieces_1): Likewise.
+ (emit_push_insn): Call set_mem_attributes.
+ (expand_expr, case INDIRECT_REF): Likewise.
+ (expand_expr, case VAR_DECL): Call change_address.
+ * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
+ tree_low_cst.
+ (get_varargs_alias_set, get_frame_alias_set): New decls.
+ (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
+ (new_alias_set, set_mem_attributes): Likewse.
+ * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
+ (assign_stack_temp_for_type): Likewise.
+ Can split slot even if alias set since can copy.
+ Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
+ (assign_temp): Use host_integerp and tree_low_cst.
+ (put_var_into_stack): Properly handle SAVE_EXPR.
+ (put_addressof_into_stack): Likewise.
+ (assign_parms): Call set_mem_attributes.
+ Delete #if 0 code.
+ (fix_lexical_address): Put reference to chain into frame alias set.
+ (expand_function_start): Call set_mem_attributes.
+ * integrate.c (expand_inline_function): Likewise.
+ * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
+ * regmove.c (try_apply_stack_adjustment): Likewise.
+ * reload.c (push_reload, make_memloc): Likewise.
+ * reload1.c (alter_reg): Make alias sets for spilled pseudos.
+ * rtl.def (MEM): Update comment.
+ * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
+ (move_by_pieces): Change length to HOST_WIDE_INT.
+ (record_base_value, record_alias_subset): Delete from here.
+ * stmt.c (expand_decl): Call set_mem_attributes.
+ * stor-layout.c (finish_record_layout): Call record_component_aliases.i
+ * toplev.c (compile_file): Call init_alias_once earlier.
+ * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
+ from here: now in alias.c.
+ * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
+ (struct tree_decl): Likewise.
+ (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
+ * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
+ (output_constant_def, force_const_mem): Likewise.
+
+ * flow.c (propagate_block): If block has no successors, stores to
+ frame are dead if not used.
+
+2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
+
+ * stmt (expand_end_case): Reorder conversion sequence for jump
+ table to avoid extra truncations.
+
+Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
+
+ * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
+ in the block is more than just a simple conditional branch.
+ (noce_process_if_block): Similarly.
+
+Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
+ queue.
+
+2000-05-30 Michael Meissner <meissner@redhat.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
+ instructions. Treat LO_SUM operations as loading the full integer
+ constant.
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
+
+2000-05-30 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/tests/*: Added expected result files for fixinc's make check
+ * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.md (*setne_internal): Use match_operator
+ instead of working down from insn.
+
+2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * invoke.texi (-Wtraditional): Update WRT function macros.
+
+Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * except.c (free_exception_table): Do not free NULL.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_if): Don't save and restore only_seen_white here.
+ * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
+ and skipping here.
+
+2000-05-29 Richard Earnshaw (rearnsha@arm.com)
+
+ * flow.c (mark_used_reg): If a register is unconditionally live,
+ remove any conditional death information.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * final.c (current_output_insn): New.
+ (final_scan_insn): Set it.
+ * output.h: Declare it.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * stor-layout.c (finalize_record_size): Fix typo.
+
+ * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
+ if nlabel is null.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (cpp_reader): Remove if_stack. Change
+ potential_control_macro to a cpp_hashnode *. Add skipping flag.
+ * cpphash.h (struct ihash): Change control_macro to a
+ cpp_hashnode * and shorten name to cmacro.
+ Add NEVER_REINCLUDE constant.
+
+ * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
+ Examine the cmacro node directly, no need to call cpp_defined.
+ (_cpp_execute_include, read_include_file): Set cmacro to
+ NEVER_REINCLUDE, not U"".
+ * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
+ (cpp_get_token): If pfile->skipping is true, discard text and
+ keep scanning until we hit a directive; don't expand macros.
+
+ * cpplib.c (struct if_stack): Remove if_succeeded, add
+ was_skipping. Change control_macro to a cpp_hashnode * and
+ shorten name to cmacro. Remove typedef IF_STACK.
+ (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
+ (conditional_skip, skip_if_group,
+ consider_directive_while_skipping): Delete.
+ (push_conditional): New.
+ (_cpp_handle_directive): Don't process directives other than
+ conditionals if we are skipping.
+
+ (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
+ Update to new scheme.
+ (validate_else): Skip rest of line here, unconditionally.
+ (_cpp_unwind_if_stack): The stack is per-buffer. Force
+ pfile->skipping off.
+
+ (all): Remove `scare quotes' from error messages.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * function.c (emit_return_into_block): New line_note arg; emit it.
+ (thread_prologue_and_epilogue_insns): Attempt to locate a line note
+ for the close brace to accompany HAVE_return. Move all line notes
+ following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * longlong.h [__alpha] (count_leading_zeros): New.
+ (count_trailing_zeros): New.
+ (COUNT_LEADING_ZEROS_0): New.
+
+ * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
+ (alpha_split_conditional_move): New.
+ * config/alpha/alpha-protos.h: Prototype them.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
+ * config/alpha/alpha.md: Update ffs cix commentary.
+ (*ze_and_ne): New.
+ (*nabssf2, *nabsdf2): New.
+ (*mov[qhsd]icc_internal): Use add_operand.
+ (if_then_else constant splitters): New.
+ (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
+ (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (force_to_mode) [MINUS]: Convert subtraction from
+ a constant to NEG or NOT when conditions allow.
+
+ * combine.c (combine_simplify_rtx): Don't create an if_then_else
+ unless both args are general_operand. Don't canonicalize plus
+ to ior unless it helps.
+
+ * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
+ instead track register_life_up_to_date. Toggle no_new_pseudos
+ around if_convert.
+
+2000-05-28 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
+ so output_operand doesn't see them.
+
+Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * lcm.c (make_preds_opaque): Fix comment.
+ (optimize_mode_switching): Use NORMAL_MODE instead of
+ MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
+ FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
+ Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
+ * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
+ (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY) Rename to NORMAL_MODE.
+ * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY): Rename to NORMAL_MODE.
+ (MODE_NEEDED): Don't look for USE.
+ (EPILOGUE_USES): Define.
+
+Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * mklibgcc.in (all): Variable initialised to `libgcc'.
+
+2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.h (skip_leading_substring): New macro.
+ * toplev.c (decode_f_option): Use skip_leading_substring instead
+ of strncmp.
+ (decode_W_option): Likewise.
+
+2000-05-28 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
+ modify reg_names.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * regclass.c (record_operand_costs): Protect reg_changes_size
+ with CLASS_CANNOT_CHANGE_SIZE.
+
+ * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): A pcc-style struct return
+ returns a pointer.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Read files in, using mmap if possible, then
+ prescan them separately.
+ (read_file, read_with_read): New functions.
+ * cpplex.c: Don't define UCHAR_MAX.
+ (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
+ the file here.
+
+ * cppinit.c (handle_option): Automatically define __cplusplus,
+ __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
+ the respective -lang switch.
+
+ * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
+ prototype): Move to...
+ * cpplib.h: ... here. Rename struct hashnode to struct
+ cpp_hashnode and give it a typedef. Rename _cpp_lookup to
+ cpp_lookup. Add 'fe_value' slot, a union tree_node *.
+
+2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi): Constify 'name'.
+
+ * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
+ (class_can_change_size): New variable.
+ (reg_changes_size): New variable.
+ (init_reg_sets_1): Initialise class_can_change_size.
+ (record_operand_costs): Remove subreg_changes_size.
+ Don't pass it around. Instead update reg_changes_size.
+ (regclass): Initialise and free reg_changes_size. If a register
+ changes size, don't preference it to a class that contains
+ registers that can't change size.
+ (record_reg_classes): Don't look at subreg_changes_size.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * print-rtl.c (reg_names): Remove const.
+ * regclass.c (reg_names): Likewise.
+ * regs.h (reg_names): Likewise.
+ * hard-reg-set.h (reg_names): Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Test
+ TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
+ (alpha_expand_prologue): Emit prologue_mcount if needed.
+ * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
+ * config/alpha/alpha.md (prologue_mcount): New.
+ * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
+ (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
+ * config/alpha/netbsd.h: Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
+ change to config/elfos.h.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (resource.o): Depend on except.h.
+ * except.h (output_exception_table_data): Prototype.
+ * genconfig.c (gen_peephole2): Prototype.
+ * genemit.c (main): Include ggc.h.
+ * genoutput.c: Revert parts of last change: include errors.h
+ (main): Set progname.
+ * recog.c: Include hard-reg-set.h before recog.h.
+ * resource.c: Include except.h.
+
+ * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
+ with RTX_CODE.
+ (alpha_write_linkage): Protect with BUFSIZ.
+ (alpha_need_linkage): Update prototype.
+ * config/alpha/alpha.c (function_arg): Move VMS code here.
+ (alpha_links_base): Remove.
+ (alpha_links): New.
+ (mark_alpha_links_node, mark_alpha_links): New.
+ (alpha_write_one_linkage): New.
+ (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
+ (alpha_write_linkage): Use splay_tree_foreach.
+ * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
+ to get the linkage symbol.
+ (call_value_vms): Likewise.
+ * config/alpha/elf.h (output_file_directive): Remove decl.
+ (ctors_section, dtors_section): Prototype.
+ (sbss_section, sdata_section): Prototype.
+ * config/alpha/vms.h (FUNCTION_ARG): Remove.
+ (readonly_section, link_section, literals_section): Prototype.
+ (ctors_section, dtors_section): Prototype.
+ (vms_valid_decl_attribute_p): Remove decl.
+ (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
+
+2000-05-27 Geoff Keating <geoffk@cygnus.com>
+
+ * reload.c (get_secondary_mem): Don't widen floating-point modes.
+
+ * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
+ substituting the REG in a (subreg:X (reg:Y ...)).
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
+ first token of a line BOL. Update EOF code for this.
+ Remove illegal directive check - it appears in the (not
+ yet committed) caller.
+ * cpplib.h (BOL): New flag.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_init_toklist): No comment space to initialise.
+ (_cpp_free_toklist): No comment space to free.
+ (expand_comment_space): Remove.
+ (save_comment_space): Place the comment in the current token and
+ not in a separate comment space.
+ (_cpp_lex_line): Save comments during plain code and #define
+ directives only.
+ * cpplib.h (struct _cpp_toklist): Remove comment space.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (parse_assertion): Supply extra argument to
+ _cpp_init_toklist.
+ * cpplib.c (do_assert, do_unassert): Similarly.
+ * cpphash.h (_cpp_init_toklist) Update.
+ (_cpp_expand_token_space): New.
+ (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
+ * cpplex.c (_cpp_init_toklist): New argument.
+ (parse_string2): New argument multiline_ok.
+ (spell_token): Take a const cpp_token *.
+ (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
+ (SPELL_ macros): Replace with enum.
+ (expand_token_space): Replace with _cpp_expand_token_space.
+ Take COUNT argument.
+ (IS_DIRECTIVE): Update.
+ (_cpp_lex_line): Update token structure before parsing number.
+ Don't assume start at beginning of token list.
+ (save_comment): Use INIT_TOKEN_NAME.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
+ -Wmissing-prototypes.
+ * configure: Regenerate.
+ * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
+
+ * builtins.c, calls.c: Change all instances of gen_call_* or
+ gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
+ * calls.c (struct_value_size_rtx): Separate definition from
+ initialization to avoid unused variable warning.
+
+ * genflags.c (gen_macro): New function.
+ (gen_proto): Call it for gen_call_* and gen_sibcall_*.
+ (gen_nonproto): Delete.
+ (gen_insn): Put all insns on the same obstack.
+ (main): Generate prototypes for everything unconditionally.
+
+ * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
+ out check for wchar_t.
+ * acconfig.h: Add template for ssize_t. Remove @TOP@.
+ * system.h: Add infrastructure for defining missing
+ TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
+ definitions of UCHAR_MAX and SSIZE_MAX.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
+ Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
+ headers.
+ (clean): No need to delete libgcc1.a, libgcc1-asm.a,
+ libgcc2.a, or libgcc1.null.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (recog.o): Don't depend on resource.h.
+ * recog.c: Don't include resource.h.
+ (recog_last_allowed_insn): Remove.
+ (recog_next_insn): Remove.
+ (struct peep2_insn_data): New.
+ (peep2_insn_data, peep2_current): New.
+ (peep2_next_insn): New.
+ (peep2_regno_dead_p, peep2_reg_dead_p): New.
+ (peep2_find_free_register): New.
+ (peephole2_optimize): Track life information by insn as we go.
+ * recog.h: Update declarations.
+ * resource.c (find_free_register, reg_dead_p): Remove.
+ * resource.h: Remove their declarations.
+ * toplev.c: Include hard-reg-set.h before recog.h.
+
+ * genconfig.c (max_insns_per_peep2): New.
+ (gen_peephole2): New.
+ (main): Call it.
+ * genemit.c (output_peephole2_scratches): Generate calls to
+ peep2_find_free_register; adjust surrounding code.
+ (main): Have insn-emit.c include hard-reg-set.h before recog.h.
+ * genrecog.c (change_state): Don't track last_insn.
+ (write_action): Write into *_pmatch_len before accepting.
+ (write_tree): Adjust peephole2_insns and subroutines to match.
+
+ * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
+
+ * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
+ (hard_int_register_operand): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
+ as needed; use peep2_reg_dead_p instead of dead_or_set_p.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * function.c (thread_prologue_epilogue_insns): Don't move the
+ line note at the head of the chain. Only force a lineno note
+ before the end of block 0.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * gensupport.c (collect_insn_data): Record the maximum number
+ of alternatives, not the last seen.
+
+ * genoutput.c: Don't include errors.h.
+ (struct data): Add lineno member.
+ (have_error): New.
+ (scan_operands): Use message_with_line instead of error.
+ (validate_insn_alternatives): Likewise.
+ (gen_insn): Accept and store the pattern's line number.
+ (gen_peephole, gen_expand, gen_split): Likewise.
+ (main): Don't set progname. Pass line_no to gen_foo.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
+ * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
+ * config/d30v/d30v.md (attr predicable): New.
+ (all insn patterns): Mark non-predicable patterns; use %: on the rest.
+ (andsi3*): Unify into one pattern.
+ (iorsi3*, xorsi3*): Likewise.
+ (peephole2 patterns): Use peep2_reg_dead_p; verify not a
+ conditional return.
+ (old cond_exec patterns): Remove.
+ (define_cond_exec): New.
+
+Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (TREE_CODE_LENGTH): New macro.
+ * c-common.c (c_find_base_decl): Use it.
+ * expr.c (safe_from_p): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * tree.c (make_node, copy_node, get_identifier): Likewie.
+ (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
+ (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
+ * fold-const.c (make_range): Likewise.
+ (fold): Likewise; also use first_rtl_op.
+ * c-iterate.c (collect_iterators): Use first_rtl_op.
+ * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
+ Use IS_EXPR_CODE_CLASS.
+ (preexpand_calls): Likewise.
+ * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
+ and TREE_CODE_LENGTH.
+ * stmt.c (warn_if_unused_value): If no operands, no unused value.
+
+2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
+ than '%1(%*)'.
+ (movdi_internal64): Likewise.
+
+ * config/rs6000/rs6000.md: Correct order of operands for DImode
+ boolean patterns.
+
+ * config/rs6000/rs6000.c (boolean_or_operator): New function.
+ * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
+ * config/rs6000/rs6000.md: Use boolean_or_operator instead of
+ boolean_operator for the boolean patterns without NOTs.
+
+ * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
+ from reg_or_u_cint_operand. Change comment and behaviour.
+ (logical_operand): Clean up, add assertion.
+ (non_logical_cint_operand): Also check for
+ reg_or_logical_cint_operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
+ * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
+ in the expander.
+ (xorsi3): Likewise.
+ (iordi3): Likewise.
+ (xordi3): Likewise.
+
+2000-05-26 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (struct record_layout_info): Rename to (struct
+ record_layout_info_s).
+ * stor-layout.c (start_record_layout): Replace
+ `record_layout_info' with `record_layout_info_s'.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (find_label_refs): New function.
+ (find_basic_blocks_1): Call it for each alternative of a call
+ placeholder.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
+ of get_pc.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_comparison_operator): Don't be
+ so strict about DImode.
+ (alpha_swapped_comparison_operator): Likewise.
+ * config/alpha/alpha.md (*setne_internal): Name it. Allow
+ any integer output mode.
+ (*setcc_internal): Likewise.
+ (*setcc_swapped_internal): Likewise.
+ (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
+ (*mov[qhs]icc_internal): New.
+ (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
+
+2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (reorder_block_def): Reorder elements for size.
+ Remove add_jump; add next; replace flags with visited.
+ (rbd_init): Remove.
+ (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
+ (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
+ (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
+ (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
+ (RBI): New.
+ (reorder_index, reorder_last_visited): Remove.
+ (skip_insns_after_block): Rewrite to use a switch.
+ (get_common_dest): Remove.
+ (chain_reorder_blocks): Remove.
+ (record_effective_endpoints): Split out from reorder_basic_blocks.
+ (make_reorder_chain): Likewise. Loop until all blocks are placed.
+ (make_reorder_chain_1): Renamed from old make_reorder_chain.
+ Only construct the reorder chain, do not move insns. Try harder
+ to tail recurse.
+ (label_for_bb, emit_jump_to_block_after): New.
+ (fixup_reorder_chain): Use them. Do bulk block movement. Examine
+ and adjust the jump insns appropriately. Fixup basic_block_info.
+ (verify_insn_chain): Always define.
+ (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
+ in allocation size.
+ (make_new_scope): Don't write zeros to calloc'd space.
+ (build_scope_forest): Rely on xrealloc to DTRT.
+ (reorder_basic_blocks): Don't build loop nest. Don't fail if
+ profile_arc_flag. Streamline EH test.
+
+ * flow.c (redirect_edge_succ, redirect_edge_pred): New.
+ * basic-block.h: Declare them.
+
+2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * emit-rtl.c (reset_used_decls): New function.
+ (unshare_all_rtl_again): Call it.
+
+2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (maybe_macroexpand): Warn about function-like
+ macros used in non-function context, if -Wtraditional.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * recog.c (peephole2_optimize): Use INSN_P.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (seq_contains_jump): New.
+ (noce_try_store_flag_constants): Use it to fail conversion.
+ (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * except.h (can_throw): Declare it.
+ * except.c (can_throw): Give it external linkage.
+ * resource.c (find_dead_or_set_registers): Use can_throw.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Don't record conditionally dead memory.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
+ and pc_set at the place of simplejump_p and condjump_p.
+ * cse.c (record_jump_equiv): Likewise.
+ * emit-rtl.c (emit): Likewise.
+ * explow.c (find_next_ref): Likewise.
+ * flow.c (tidy_fallthru_edge): Likewise.
+ (init_propagate_block_info): Likewise.
+ * gcse.c (delete_null_pointer_checks): Likewise.
+ * ifcvt.c (cond_exec_get_condition, noce_get_condition,
+ dead_or_predicable): Likewise.
+ * integrate.c (copy_insn_list): Likewise.
+ * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
+ for_each_insn_in_loop, check_dbra_loop, get_condition,
+ insert_bct, load_mems): Likewise.
+ * resource.c (find_dead_or_set_registers): Likewise.
+ * sibcalls.c (simplejump_p): Likewise.
+ * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
+
+2000-05-25 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
+ to STRING case. Use doubleword STRING move for TARGET_POWERPC64
+ when unaligned.
+ * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
+ (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
+ (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
+ * rs6000.md: Name various internal patterns.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (invert_exp_1): Remove first argument, use pc_set
+ to get the expression.
+ (redirect_exp): Make static; redirect only the pc_set expression,
+ remove first argument.
+ (invert_exp): Remove first argument, make static.
+ (jump_optimize): Use any_condjump_p, any_uncondjump_p and
+ any_onlyjump at most places where we originaly did condjump_p
+ and simplejump_p.
+ (jump_back_p, follow_jumps, thread_jumps): Likewise.
+ (delete_barrier_succesors): Use pc_set.
+ (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
+ calls of invert_exp and redirect_exp.
+ * rtl.h (redirect_exp, invert_exp): Remove.
+ * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_end_bindings): Fix thinko last change.
+
+2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
+ Andrew Haley <aph@cygnus.com>
+
+ * except.c (func_eh_entry): Add emitted field.
+ (new_eh_region_entry): Set emitted field to 0;
+ (output_exception_table_entry): Only emit previously un-emitted data,
+ and send it to the eh_data section.
+ (output_exception_table): Break out common parts. Output
+ exception table for entire compilation unit to eh_data section.
+ (output_exception_table_data): Common parts of output_exception_table.
+ Send output to eh_data section.
+ (output_function_exception_table): Output exception table data for
+ a single function to eh_data section.
+ (free_exception_table): New external to free the table.
+ * except.h (free_exception_table): Add prototype.
+ (output_function_exception_table): Add prototype.
+ * final.c (final_end_function): Output function exception table
+ for IA64_UNWIND_INFO.
+ (final_scan_insn): Emit any unwind directives for an insn.
+
+ * frame-dwarf2.c: New file containing all DWARF 2 specific code
+ from frame.c.
+ * frame.c: Remove all DWARF 2 specific code.
+ * config/ia64/frame-ia64.c: New file.
+ (gthread_stuff): Make all gthread available with
+ IA64_UNWIND_INFO.
+ (dwarf_fde): Define an IA64 struct for dwarf_fde.
+ (__register_frame_info, __register_frame): Move to common area of file.
+ (__register_frame_info_table, __register_frame_table): Move to common i
+ area.
+ (__deregister_frame_info, __deregister_frame): Move to common area.
+ (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
+ (read_uleb128): New version for ia64.
+ (get_unwind_record): Read the next IA-64 unwind record.
+ (read_R_record): Read a region header record.
+ (process_a_b_reg_code): X record helper.
+ (read_X_record): Read an X format record.
+ (read_B_record): Read a B format record.
+ (P3_record_types): List of record types matching the P3 format.
+ (P7_record_types): List of record types matching the P7 format.
+ (P8_record_types): List of record types matching the P8 format.
+ (read_P_record): Read a P format record.
+ (init_ia64_reg_loc): Set default fields for a register.
+ (init_ia64_unwind_frame): Set defaults for all register records.
+ (execute_one_ia64_descriptor): Execute one descriptor record.
+ (rse_address_add): Calculate the position of a local reg in memory.
+ (normalize_reg_loc): Turn a location descriptor into a memory address.
+ (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
+ within a specified PC offset range.
+ (get_real_reg_value): Given a register location, retrieve its value.
+ (set_real_reg_value): Change the value of a register location.
+ (copy_reg_value): Copy reg values, if needed.
+ (copy_saved_reg_state): Copy all registers that need to be copied.
+ (process_state_between): Normalize all frame register records that
+ fall within the specified PC range.
+ (frame_translate): Take a processed frame description, and turn
+ everything into addresses.
+ (build_ia64_frame_state ): Find and create frame state record for a PC.
+ (get_personality): Get the personality routine for a given frame.
+ (get_except_table): Get the exception table for a given frame.
+ (record_name): Unwind record names for debugging.
+ (print_record): Print and unwind record.
+ (print_all_records): Print an entire unwind image.
+ (__ia64_backtrace): Print a backtrace.
+ (ia64_backtrace_helper): New function.
+ (__register_frame_info_aux): New function.
+ * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
+
+ * frame.h (enum unw_record_type): New unwind record types.
+ (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
+ (struct unw_r_record, unwind_record): New unwind record structs.
+ (struct unwind_info_ptr): Unwind information layout.
+ (IA64_UNW_LOC_TYPE_*): Macros for different types for location
+ descriptors.
+ (struct ia64_reg_loc): Register location description.
+ (struct ia64_frame_state): Location of all registers in a frame.
+ (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
+ * libgcc2.c (__ia64_personality_v1): Personality routine.
+ (__calc_caller_bsp): Calculate the bsp register for the caller's
+ frame.
+ (ia64_throw_helper): Figure out who to return to and set up the
+ registers.
+ (__throw): Throw routine.
+
+ * output.h (assemble_eh_align, assemble_eh_label): New functions
+ to generate EH info where we want it.
+ (assemble_eh_integer): New function.
+ * toplev.c (compile_file): Output module level exception table for
+ non-ia64 targets.
+ (main): Set exceptions_via_longjump and flag_new_exceptions based
+ on IA64_UNWIND_INFO too.
+
+ * varasm.c (assemble_eh_label): Generate a label via
+ ASM_OUTPUT_EH_LABEL if it has been specified.
+ (assemble_eh_align): Generate an alignment directive via
+ ASM_OUTPUT_EH_ALIGN if it has been specified.
+ (assemble_eh_label): Generate an integer value via
+ ASM_OUTPUT_EH_type if they have been specified.
+ * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
+ (ia64_init_builtins): Add __builtin_ia64_bsp
+ and __builtin_ia64_flushrs.
+ (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+ * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+
+ * config/ia64/ia64.md (flushrs): New insn to flush the register
+ stack. Add to unspec list.
+
+ * config/ia64/crtbegin.asm (frame_object): Change size.
+ (__do_frame_setup_aux): New function.
+ * config/ia64/crtend.asm: call __do_frame_setup_aux.
+ * config/ia64/t-ia64 (LIB2ADDEH): Add.
+ * Makefile.in (LIB2ADDEH): Add.
+ (LIB2ADD): Use LIB2ADDEH.
+
+2000-05-24 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (offsettable_address_p): If mode size is zero, assume
+ BIGGEST_ALIGNMENT.
+
+2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
+
+ * configure.in: Check for -Wno-long-long option support and improve
+ handling of warning CFLAGS for stages 1 and 2.
+ * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
+ * configure: Regenerate.
+
+Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * gcc.texi: Remove contributor list. Instead include contrib.texi.
+ * contrib.texi: New file.
+
+Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (basic_induction_var): Avoid double recording of an increment.
+
+Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Back out this patch:
+ Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
+ * loop.h (struct induction): Add multi_insn_incr.
+ * loop.c (basic_induction_var): New multi_insn_incr argument.
+ Set it if we search back through previous insns for the biv.
+ (record_biv): New multi_insn_incr argument; fill in struct induction.
+ (strength_reduce): Discard an iv with multiple bivs, any of
+ which require multiple insns to increment.
+
+ * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
+
+Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (loc_mentioned_in_p): Declare.
+ * reload.c (loc_mentioned_in_p): Moved from here...
+ * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
+ Fix loop increment for 'E' handling.
+ * loop.c (strength_reduce): When doing biv->giv conversion,
+ take multi-insn biv increments into account.
+
+2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * stmt.c (expand_end_bindings): Look through NOTEs to find a
+ BARRIER.
+
+2000-05-24 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (expand_call): Handle cleanups in tail-recursion
+ arguments analagously to cleanups in sibling calls.
+
+2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
+ All callers changed.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * expr.c (expand_assignment, store_expr, expand_expr,
+ expand_expr_unaligned): Set in_check_memory_usage while emitting
+ chkr_check_addr libcall.
+
+2000-05-24 Nick Clifton <nickc@cygnus.com>
+
+ * fold-const.c (extract_muldiv): When constructing a
+ multiplier/divisor, do not expect const_binop to correctly
+ determine if overflow has occured, so check explicitly.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * c-decl.c (build_enumerator): Don't modify the value's type,
+ convert it.
+
+2000-05-24 Andreas Jaeger <aj@suse.de>
+
+ * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
+
+2000-05-24 Eric Christopher <echristo@cygnus.com>
+
+ * configure.in: Redefine inhibit_libc conditions.
+ * libgcc2.c: Remove inhibit_libc conditional define.
+ * configure: Regenerate.
+
+2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
+
+ * configure.in: For --enable-languages=LIST, check for empty LIST.
+ * configure: Regenerate.
+
+2000-05-24 Lars Brinkhoff <lars@nocrew.org>
+
+ * pdp11.h (STACK_BOUNDARY): Define.
+
+2000-05-24 Jakub Jelinek <jakub@redhat.com>
+
+ * ifcvt.c (if_convert): Update life info globally.
+
+2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * emit-rtl.c (unshare_all_decls): New function.
+ (unshare_all_rtl): Call it.
+
+2000-05-23 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Treat 'strongarm' as if it were 'arm' when
+ determining cpu type.
+
+ * configure: Regenerate.
+
+ * config/arm/arm.c: Change 'char *' to 'const char *' for cases
+ where constant strings are involved.
+
+ * config/arm/arm.h (arm_condition_codes): Change type to 'const
+ char *'.
+
+ * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
+ cases where constant strings are involved.
+
+Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/sh/sh.c (gen_far_branch, split_branches): Update
+ to reflect new prototypes for redirect_jump and invert_jump.
+ (sh_insn_length_adjustment): Get rid of const warnings.
+
+2000-05-23 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (Options for Debugging Your Program or GCC): Update
+ the names of dump files.
+
+Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
+ * configure: Regenerated.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * simplify-rtx.c (SIGN_EXTEND): New macro.
+ (simplify_unary_operation, simplify_binary_operation,
+ simplify_relational_operation): Use SIGN_EXTEND. Make low
+ halves of (low, high) pairs unsigned if they weren't already.
+ (simplify_ternary_operation): Cast INTVAL to unsigned before
+ comparing to a MODE_BITSIZE.
+
+2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
+ rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
+
+ * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
+ gcc_AC_NEED_DECLARATIONS.
+
+ * dwarfout.c: Don't prototype time().
+
+ * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
+
+ * system.h: Likewise.
+
+ * toplev.c: Likewise.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (pushdecl): Invert sense of test for non-global types.
+
+Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
+
+2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
+
+Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
+ (alpha_start_function): Never write ..ng label if VMS or NT.
+ (alpha_align_insns): Remove GP_IN_USE arg.
+ Alignment now unsigned.
+ (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
+ * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
+ and two define_insn's.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (simplify_comparison): Use trunc_int_for_mode.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * stor-layout.c (place_field): Change rli->size to rli->offset.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Make sure
+ existing line number notes appear after the prologue.
+
+Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c (alpha_fnname): New static variable.
+ (print_operand, case '~'): New case.
+ (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
+ (alpha_start_function): Set alpha_fnname.
+ Write "ng" label if no ldgp; don't write ldgp insn.
+ * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
+ * config/alpha/alpha.md (prologue_ldgp): New define_insn.
+
+Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
+ on deleted labels.
+
+2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * varasm.c (eh_frame_section): Revert change to argument list.
+
+Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
+ (gen_extend_insn, can_fix_p, can_float_p): Likewise.
+
+ * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
+ dangling "else" that causes "break" to be conditional.
+ Also remove unneeded code at start.
+
+Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
+ * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
+ * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
+
+2000-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
+ just one argument.
+
+Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (record_component_aliases): New function.
+ * tree.h: Clean up some declarations and comments.
+ (record_component_aliases): New declaration.
+ * tree.c (get_alias_set): If type and has alias set, use it.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Try to simplify
+ IF_THEN_ELSE to a setcc form.
+ * jump.c (can_reverse_comparison_p): Be prepared for insn null.
+
+2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
+ (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
+
+Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
+ not a PARALLEL.
+
+2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
+ * config/mn10300/mn10300.c (print_operand): Likewise.
+
+ * final.c (split_double): Right shift of negative values is not
+ portable.
+
+ * ifcvt.c (if_convert): Scan and kill dead code.
+
+ * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
+
+2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * diagnostic.c: Eliminate implicit int.
+ * except.c, gcc.c: Add static prototypes.
+ * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
+ * gensupport.c (process_rtx): Use XVEC to initialize vector
+ slot of 'split'.
+
+ * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
+ debug_reg_names instead of static reg_names. If not, define
+ global reg_names.
+ * regclass.c: Don't define global reg_names unless
+ DEBUG_REGISTER_NAMES is defined.
+
+ * reload1.c (order_regs_for_reload): Remove unused variable.
+ * varasm.c: Include output.h after defaults.h. Define
+ eh_frame_section as function of no args, not of unspecified args.
+
+ * gcc.c: Constify argbuf; arguments to store_arg,
+ process_command, main; elements of struct command and struct
+ switchstr; local variables in execute, process_command, main.
+
+2000-05-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def: many applications of c_fix=format + tests
+ * fixinc/check.diff: regenerated
+ * fixinc/fixincl.x: regenerated
+
+Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c: Clarify some comments.
+ (record_base_value): REGNO is unsigned.
+ * rtl.h (record_base_value): Likewise.
+
+ * alias.c (aliases_everything_p): Don't special-case QImode here.
+ * c-common.c (c_get_alias_set): Do it here.
+ Handle BIT_FIELD_REF by getting alias info for arg.
+ Use POINTER_TYPE_P.
+
+2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
+
+ * mklibgcc.in: Restore rule to create ${dir}.
+
+Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
+ GCC_FOR_TARGET used by MULTILIBS.
+ * mklibgcc.in: Make sure each .o file depends on the
+ directory it will be in.
+ Make the multilib directory depends libgcc.
+
+Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
+
+Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * fold-const.c (make_range): Handle degenerated intervals.
+ Fixes c-torture/execute/991221-1.c
+
+Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
+ * reload.c (find_equiv_reg): Likewise.
+ * alias.c (init_alias_analysis): Likewise.
+ Only call prologue_epilogue_contains on insns.
+ * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
+ * bb-reorder.c (hard-reg-set.h): Include earlier.
+ * haifa-sched.c (hard-reg-set.h): Likewise.
+ * ifcvt.c (hard-reg-set.h): Likewise.
+ * local-alloc.c (hard-reg-set.h): Likewise.
+ * loop.c (hard-reg-set.h): Likewise.
+ * predict.c (hard-reg-set.h): Likewise.
+ * regrename.c (hard-reg-set.h): Likewise.
+ * flow.c (hard-reg-set.h): Likewise.
+ (reg_set_to_hard_reg_set): New function.
+ * bitmap.c (regs.h, basic-block.h): No longer include.
+ (bitmap.h): Now include.
+ * conflict.c (hard-reg-set.h): Include.
+ * profile.c (hard-reg-set.h): Likewise.
+ * print-rtl.c (hard-reg-set.h): Likewise.
+ * sbitmap.c (hard-reg-set.h): Likewise.
+ * toplev.c (hard-reg-set.h): Likewise.
+ * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
+ * hard-reg-set.h (reg_names): Now constant.
+ * regs.h (reg_names): Likewise.
+ * regclass.c (reg_names): Likewise.
+ * loop.h (basic-block.h): No longer include.
+ (bitmap.h): Now include.
+ * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
+ * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
+ (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
+
+2000-05-19 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (struct edge_def): New field "count".
+ (struct basic_block_def): Likewise.
+ * flow.c (entry_exit_blocks): Add count fileds.
+ (split_edge): Keep count information up-to-date.
+ (dump_edge_info, dump_flow_info): Dump count fields.
+
+ * final.c (count_instrumented_edges): Rename to edge from arc.
+ (end_final): Update users.
+ * profile.c: Include expr.h, basic-block.h.
+ (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
+ (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
+ (ignore_next_note, return_label_execution_count): Kill.
+ (bbg_file_name, da_file_name): Kill.
+ (edge_info, bb_info): New structures.
+ (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
+ (count_instrumented_edges, total_num_edges): Rename to edge from arc.
+ (total_num_edges_instrumented): Likewise.
+ (init_arc, expand_spanning_tree): Kill.
+ (fill_spanning_tree, tablejump_entry_p): Kill.
+ (instrument_edges): Rewrite from instrument_arcs to use
+ commit_edge_insertions infrastructure.
+ (compute_branch_probabilities): Remove arguments; rewrite for
+ CFG infrastructure; use rtl_dump_file directly.
+ (branch_prob, find_spanning_tree): Likewise.
+ (union_groups, find_group): New.
+ (init_branch_prob): Make bbg_file_name and da_file_name local.
+ (end_branch_prob): Use rtl_dump_file directly.
+ (init_edge_profiler): Rename to edge from arc.
+ (output_arc_profiler): Kill.
+ (gen_edge_profiler): New.
+ (output_func_start_profiler): Turn off profiling. Make the
+ constructor static when we can.
+ * rtl.h (branch_prob, end_branch_prob): Update prototypes.
+
+ * toplev.c (DFI_flow): Remove.
+ (DFI_cfg, DFI_life): New.
+ (dump_file): Update accordingly.
+ (compile_file): Call end_branch_prob if profile_arc_flag too.
+ (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
+ profiling after the CFG is built. Move flow1 life analysis to
+ DFI_life. Always estimate remaining probabilities.
+
+2000-05-19 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
+
+ * flow.c (make_edges): The sibling call edge to exit is abnormal.
+
+2000-05-19 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (redirect_jump): Add delete_unused argument. Don't
+ remove labels and code following when LABEL_NUSES goes to zero.
+ (invert_jump): Likewise.
+ (jump_optimize_1): Fix redirect/invert arguments.
+ (do_cross_jump, thread_jumps): Likewise.
+ * flow.c (split_edge): Likewise.
+ * reorg.c (optimize_skip): Likewise.
+ (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
+ * profile.c (instrument_arcs): Likewise.
+ * loop.c (find_and_verify_loops): Likewise. Fix indentation.
+ * rtl.h: Update prototypes.
+
+Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * ssa.c (convert_from_ssa): Tell life_analysis we need death
+ notes.
+ (make_regs_equivalent_over_bad_edges): Only look at abnormal
+ critical edges.
+
+2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (funlike_macroexpand): Make sure not to walk p1
+ past l1 when deleting whitespace and markers.
+
+ * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
+ * cpplib.c (do_unassert): Put the list to compare against on
+ the stack.
+
+2000-05-19 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/README: cleaned up old documentation
+ * fixinc/check.diff: regenerated & verified on OSR5 on ix86
+ * fixinc/check.tpl: compute the list of needed directories
+ emit "#if defined(name)" because of conflict
+ omit machine name differences from output differences
+ * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
+ (machine_name): change test text to use `sed' markers
+ * fixinc/fixincl.x: regen
+
+Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
+ a CONSTRUCTOR.
+
+2000-05-18 Chris Demetriou <cgd@sibyte.com>
+
+ * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
+ it to match the current practice.
+
+2000-05-18 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
+ * rtl.h (insn_dependant_p): Declare it.
+ * loop.c (strength_reduce): Use it.
+
+2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
+ 16-bit and 64-bit clean-up.
+
+2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * configure.in (*-pc-msdosdjgpp): Set float_format to none.
+ * configure: Rebuilt.
+
+2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * genopinit.c: Use $ for escape sequences in optab patterns.
+ Remove backslashes from optab patterns. Change $A, $B, $C to
+ expand to (int) whatever instead of just whatever; remove
+ explicit (int) from all optab patterns.
+
+ * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
+ * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
+ genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
+ genrecog.c: Remove private copies of xmalloc, xrealloc, and
+ xstrdup.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Base minimum insn count during
+ find_cross_jump on BRANCH_COST.
+
+2000-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ * print-rtl.c (print_rtx): Only print note line number as string
+ if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
+ * final.c (final_scan_insn): Do nothing for note line number 0.
+
+2000-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
+ from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
+ NOTE_INSN_DELETED_LABEL.
+
+2000-05-18 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
+ uninitialised data in .rodata not .bss, and do not interpret an
+ error in the initialisation value as meaning that the variable
+ should be placed in the .bss section.
+
+Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
+ not `$ac_cv_prog_cc_cc_c_o'.
+ * configure: Regenerated.
+
+2000-05-18 Chris Demetriou <cgd@sibyte.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * c-common.h (enum c_tree_index): Add g77 type entries.
+ (g77_integer_type_node, g77_uinteger_type_node): New.
+ (g77_longint_type_node, g77_ulongint_type_node): New.
+ * c-decl.c (init_decl_processing): Initialize them.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * config/h8300/h8300.md (subs patterns): Use %G to negate.
+
+ * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
+ (small_power_of_two): Likewise; use exact_log2.
+ (adds_subs_operand, one_insn_adds_subs_operand): Remove.
+ (output_adds_subs): Remove.
+ (two_insn_adds_subs_operand): New.
+ (split_adds_subs): New.
+ * config/h8300/h8300-protos.h: Update.
+ * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
+ (CONST_OK_FOR_L): Match strict adds operands.
+ (CONST_OK_FOR_N): Match struct subs operands.
+ * config/h8300/h8300.md (adds_subs insns): Remove.
+ (addhi patterns): Output adds/subs directly.
+ (addsi_h8300h): Likewise.
+ (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
+
+2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (parse_assertion): New.
+ (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
+ (_cpp_parse_expr): Remove case '#'. Don't set
+ parsing_if_directive.
+ * cpphash.c (collect_objlike_expansion,
+ collect_funlike_expansion, collect_params,
+ _cpp_create_definition): The list no longer has a trailing
+ VSPACE token.
+ * cpphash.h (enum node_type): Add T_ASSERTION.
+ (struct hashnode): Remove aschain, add pred.
+ (struct predicate): New.
+ Update prototypes.
+
+ * cpplex.c (expand_token_space): Handle both offset and
+ nonoffset lists.
+ (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
+ (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
+ _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
+ _cpp_equiv_toklists): New.
+ (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
+ stop at any single-character token, not just newline.
+ (_cpp_lex_token): Remove special cases for #define and #if.
+ (cpp_get_token): Expect # as a separate token type. Remove
+ DIRECTIVE case.
+ (_cpp_get_directive_token): Remove DIRECTIVE case.
+ (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
+
+ * cpplib.c (_cpp_check_directive): Set dirno and
+ SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
+ (_cpp_handle_directive): Run # <number> through the same logic
+ as normal directives.
+ (do_define): Don't set parsing_define_directive. Use
+ _cpp_scan_until. The list does not have a VSPACE at the end.
+ (do_if): Save, clear, and restore only_seen_white around
+ _cpp_parse_expr.
+ (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
+ (do_assert, do_unassert): Rewrite.
+
+ * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
+ (LIST_OFFSET): New flag.
+ (struct cpp_toklist): Replace dir_handler and dir_flags with
+ dirno and flags.
+ (struct cpp_reader): Remove parsing_if_directive and
+ parsing_define_directive.
+
+2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
+ following the cabs decl which terminate on the following line.
+ Add the corresponding test_text case.
+
+2000-05-18 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (cpp_reader_init): Initialise col_adjust and
+ default tab stop size.
+ (no_num, OPT_ftabstop): New.
+ (handle_option): Handle "ftabstop=" command-line option.
+ (print_help): Document it.
+ * cpplex.c (COLUMN): Remove.
+ (handle_newline): Reset col_adjust.
+ (skip_whitespace): Update col_adjust as tabs encountered.
+ (_cpp_lex_line): Update to use col_adjust. Call
+ skip_whitespace for all whitespace.
+ * cpplib.h (struct cpp_options): New member tabstop.
+ (struct cpp_reader): New member col_adjust.
+ (CPP_BUF_COL): Update.
+ (CPP_BUF_COLUMN): New.
+ * cpp.texi: Document "-ftabstop=" command line option.
+
+Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
+ files.
+ * configure: Rebuilt.
+
+Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
+
+ * tree.c (build_common_tree_nodes): Do not build TI nodes unless
+ HOST_BITS_PER_WIDE_INT is >= 64.
+
+2000-05-17 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Remove inactive but real insns
+ in jump-to-next-insn optimization.
+
+2000-05-17 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
+ unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
+ Don't call recompute_reg_usage if no_new_pseudos is true.
+ * lcm.c (optimize_mode_switching): Move ifdefs outside function.
+ Return true if we did work; update global life information.
+ * basic-block.h (optimize_mode_switching): Update decl.
+
+2000-05-17 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (expand_name_space): Don't use ptrdiff_t.
+
+2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c: New feature, #pragma system_header.
+ * cpp.texi: Document special treatment of system headers, and
+ the various mechanisms to get a header that special treatment.
+
+2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (offsetof): Define at the very end, to ensure we prefer
+ the platform's definition if available.
+
+2000-05-16 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
+ * fixinc/server.c: likewise
+ * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
+ + #ifdef debugging code + use #def constant for
+ sub-pattern count
+ * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
+ on C++ math namespace
+
+2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
+ Don't check the return value of sprintf. Use asprintf to avoid
+ buffer overflows.
+
+Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * flags.h (warn_unused_function, warn_unused_label,
+ warn_unused_parameter, warn_unused_variable, warn_unused_value):
+ Replace ``warn_unused''.
+ (set_Wunused): Add declaration.
+ * toplev.c (set_Wunused): New function.
+ (warn_unused_function, warn_unused_label, warn_unused_parameter,
+ warn_unused_variable, warn_unused_value): New variables.
+ (W_options): Add -Wunused-function, -Wunused-function,
+ -Wunused-label, -Wunused-parameter, -Wunused-variable and
+ -Wunused-value. Delete -Wunused. Handled in decode_W_option.
+
+ * toplev.c (decode_W_option): Update -Wunused flags by calling
+ set_Wunused.
+ * c-decl.c (c_decode_option): Ditto for -Wall.
+
+ * stmt.c (expand_expr_stmt, expand_expr_stmt,
+ warn_about_unused_variables): Replace warn_unused with more
+ explicit warn_unused_value et.al.
+ * function.c (expand_function_end): Ditto.
+ * c-typeck.c (internal_build_compound_expr,
+ internal_build_compound_expr): Ditto.
+ * c-decl.c (poplevel, pop_label_level): Ditto.
+ * toplev.c (check_global_declarations): Replace warn_unused with
+ check for either warn_unused_function or warn_unused_variable.
+
+ * gcc.1, invoke.texi (Warning Options): Document
+ -Wunused-function, -Wunused-function, -Wunused-label,
+ -Wunused-parameter, -Wunused-variable and -Wunused-value options.
+
+Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
+ $(srcdir), not in the current directory.
+
+2000-05-16 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
+ assembler supports it.
+ (.fini, .init): Use a gp-relative indirect call.
+ (__do_global_dtors_aux): Preserve the gp; rebundle.
+ (__do_frame_setup): Likewise.
+ * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
+ (.init): Use a gp-relative indirect call.
+ (__do_global_ctors_aux): Preserve the gp.
+
+2000-05-16 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (commit_one_edge_insertion): Be prepared for a return
+ insn to be inserted on the edge with a normal jump.
+ * jump.c (jump_optimize_1): Don't look to create return isns.
+
+ * flow.c (flow_delete_insn): Don't adjust reference count of notes.
+ * jump.c (jump_optimize_1): Likewise.
+ (returnjump_p): Verify the argument is a JUMP_INSN.
+ * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
+
+2000-05-16 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
+ GET_RTX_CLASS (GET_CODE ()) == 'i'.
+ (large_insn_p): Ditto.
+ (m32r_is_insn): New function: Return true if the insn contains
+ an executable instruction.
+ (m32r_adjust_insn): Use m32r_is_insn.
+ (m32r_sched_reorder): Use m32r_is_insn.
+ (m32r_sched_variable_issue): Use m32r_is_insn.
+
+2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
+ VAR_DECL.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
+
+ * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
+ according to given options.
+
+Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
+ if X has VOIDmode either.
+ (LIMIT_RELOAD_CLASS): Similarly.
+
+ * mn10200.md (indirect_jump, tablejump): Use "register_operand",
+ not "general_operand" to match the processor's capabilities.
+
+2000-05-16 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/README: corrected return address
+ * fixinc/check.diff: regenerate, now that test works
+ * fixinc/fixfixes.c(format_fix,format_write): reformatted
+ (char_macro_def_fix,char_macro_use_fix): corrected and
+ rewrote to use regex to parse the text
+ * fixinc/inclhack.def: more testing
+ * fixinc/fixincl.x: regenerated
+
+ * fixinc/inclhack.def: added several "test_text" attributes
+ changed several fixes to use `c_fix = format'
+ re-alphabetized the fixes
+
+ * fixinc/check.diff: regenerate
+ * fixinc/fixincl.x: regenerate
+ * fixinc/check.tpl: added `sparc' and `netinet' to the list
+ of created dirs
+
+
+2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Run full jump pass before
+ find_basic_blocks of flow2.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * jump.c: Fix typos and clarify commentary from last change.
+ (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
+ (safe_to_remove_jump_p): Remove.
+ (condjump_label): Use pc_set.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
+ that get in the way after reload.
+ (cond_exec_process_if_block): Skip a label heading THEN block.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * varasm.c (output_constant_pool): Abort instead of converting
+ (improperly) deleted labels to zero.
+
+2000-05-16 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (parse_string2): Update comment.
+ (cpp_lex_line): No special assertion treatment for '('.
+ * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
+ * cpplib.h (SYNTAX_ASSERT): Remove.
+
+Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (condjump_p): Mark as depreached.
+ (any_condump_p): New.
+ (any_uncondump_p): New.
+ (pc_set): New.
+ (safe_to_remove_jump_p): New.
+ * rtl.h (any_condump_p, any_uncondjump_p, pc_set
+ safe_to_remove_jump_p): Declare.
+
+Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c: Re-install both patches reverted by last patch.
+ (struct arg_data): New field tail_call_reg.
+ (initialize_argument_information): Initialize tail_call_reg
+ (load_register_parameters): New argument flags, use
+ tail_call_reg when emiting tail call sequence.
+ (expand_call): Update call of load_register_parameters;
+ copy unadjusted_args_size to adjusted_args_size.
+
+Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
+ and bct_p parameters to flags.
+ * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
+ * rtl.h (loop_optimize): Update prototype.
+ * toplev.c (rest_of_compilation): Update call of loop_optimize.
+
+2000-05-15 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (expand_call): Move expand_start_target_temps call after
+ start_sequence().
+
+2000-05-15 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c (trad_stringify, warn_trad_stringify,
+ collect_params): Make some pointers pointers to const.
+ * cpplex.c (auto_expand_name_space) Guaranteed to always
+ expand by at least one character.
+ (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
+ (struct token_spelling): Use const U_CHAR * rather than PTR.
+ (expand_name_space): Fix up token pointers if name space
+ is moved when expanding.
+ (INIT_NAME, cpp_scan_line, parse_name, parse_number,
+ parse_string2, save_comment, spell_token, cpp_output_list):
+ Update so the routines handle tokens with a direct pointer to
+ their text, rather than an offset into the token's list's namebuf.
+ (_cpp_lex_line): Rearrange for clarity.
+
+ * cpplib.c (_cpp_check_directive): Similarly.
+ (do_define): Make SYM a pointer to const.
+ * cpplib.h (struct cpp_name): Replace offset with direct pointer.
+ (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
+ (TOK_OFFSET): Delete.
+ (TOK_NAME): Update.
+
+2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
+ 64-bit ABI.
+
+ * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
+ into account.
+ (logical_u_operand): Delete.
+ (non_logical_cint_operand): Rewrite to take MODE into account.
+ (non_logical_u_cint_operand): Delete.
+ (boolean_operator): New function.
+ (print_operand): Add new %q operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
+ remove logical_u_operand and non_logical_u_cint_operand,
+ update logical_operand and non_logical_cint_operand.
+ * config/rs6000/rs6000.md: Rewrite the patterns for performing
+ logical operations to use %q.
+
+ * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
+ (movdi): Make similar to movsi.
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
+ is no such thing as a DImode CONST_DOUBLE.
+ * config/rs6000/rs6000.c (output_toc): Likewise.
+
+ * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
+ codes when old mnemonics are in use. Print register names
+ for cc registers when requested.
+
+ * optabs.c (expand_float): Don't allow mode widening that causes
+ double rounding.
+
+ * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
+ flags to their current names -maix64 and -maix32.
+
+2000-05-14 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
+ and/or after current text of file
+ * fixinc/fixlib.c(must_malloc):
+ * fixinc/fixlib.h(must_malloc): + reformatting
+ * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
+ with usages of ``c_fix = wrap;''
+ Add several tests and use the ``c_fix = format'' fixer more.
+ * fixinc/fixincl.x: regen
+ * fixinc/check.diff: regen
+ * fixinc/check.tpl: emit the associated header with the missing
+ test message
+
+Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
+ variables $src and $dst.
+
+2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
+ (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
+ (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
+ (struct output_buffer: emitted_prefix_p, prefixing_rule): New
+ fields.
+ (set_message_prefixing_rule): Declare.
+
+ * diagnostic.c: (current_prefixing_rule): New variable.
+ (set_message_prefixing_rule): Define.
+ (output_set_prefix): Adjust buffer->emitted_prefix_p.
+ (init_output_buffer): Adjust Initialization.
+ (output_emit_prefix): Rewrite. Take prefixing rules into account.
+
+Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * ifcvt.c (if_convert): Do not free NULL.
+
+2000-05-12 H.J. Lu (hjl@gnu.org)
+
+ * gthr-dce.h: Add support for libobjc.
+ * gthr-posix.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-single.h: Likewise.
+ * gthr-win32.h: Likewise.
+
+2000-05-12 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.c (fr30_move_double): New function: Emit code
+ to move a double word value.
+ (di_operand): New function: Return true if the operand is suitbale
+ for a double word move operation.
+ (nonimmediate_di_operand): New function: Return true if the
+ operand is a DImode register or MEM.
+
+ * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
+ nonimmediate_di_operand.
+
+ * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
+ nonimmediate_di_operand.
+
+ * config/fr30/fr30.md (movdi): New pattern. Required because
+ other patterns generate DImode results.
+ (movdi_insn): New pattern.
+
+2000-05-12 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (struct shadow_summary): Define
+ bitfields as type unsigned int.
+
+Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/t-avr: Added definition of FLOAT while generates
+ fp-bit.c
+
+ * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
+ peepholes for tst+jump = sbrs/sbrc optimization.
+
+Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_push_insn): Do not adjust stack pointer when
+ preallocating.
+
+Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
+ * system.h (offsetof): ... to here.
+
+2000-05-12 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
+ * final.c (final_end_function): Use app_disable. Rearrange note
+ handling into a switch. Emit deleted labels.
+ (output_asm_label): Generate label strings for deleted labels.
+ * flow.c (tail_recursion_label_list): New.
+ (find_basic_blocks_1): Set label_value_list directly. Collect list
+ of tail recursion labels from call_placeholders. Don't add deleted
+ labels to the label value list.
+ (cleanup_cfg): Use free_EXPR_LIST_list.
+ (flow_delete_insn_chain): Turn non-removable labels into notes.
+ (flow_delete_block): Don't disable deleting the block because of
+ a non-removable label.
+ (tail_recursion_label_p): New.
+ (merge_blocks_move_predecessor_nojumps): Don't disable the merge
+ because of a label.
+ (merge_blocks_move_successor_nojumps): Likewise. Also move a
+ jump table.
+ (merge_blocks): Disable a merge because of tail recursion labels.
+ * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
+ Use a more accurate measure of not merging the join block.
+ (find_if_block): Don't disable conversion because of a label.
+ (find_if_case_1, find_if_case_2): Likewise.
+ * jump.c (duplicate_loop_exit_test): Preserve the kind of list
+ element when copying.
+ (squeeze_notes): Also leave EH notes.
+ (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
+ REG_LABEL notes.
+ (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
+ deleting a label.
+ * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
+ NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
+ referring to a deleted label. Convert tail handling to a switch.
+ * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
+ for NOTE_INSN_DELETED_LABEL.
+ (NOTE): Fix commentary.
+ * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
+ (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
+ (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
+ (LABEL_NUSES, LABEL_REFS): Likewise.
+ * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
+
+2000-05-12 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c(format_write): buglet & relaxed rules
+ * fixinc/check.diff: updated
+ * fixinc/inclhack.def: corrected & added some test_text-s
+ * fixinc/genfixes: removed unneeded options to autogen invocation
+ * fixinc/fixincl.tpl: Specified the output file
+ * fixinc/fixfixes.c: visual appearance
+ * fixinc/fixincl.x: regenerate
+
+2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
+ CTRL_defn_fix): Delete.
+ (fix_char_macro_defines, fix_char_macro_uses): Rename to
+ char_macro_def_fix and char_macro_use_fix, respectively. Put
+ them into the FIXUP_TABLE. Get the string to search for from
+ a c_fix_arg.
+
+ (format_write): New function.
+ (format_fix): Use it.
+
+ (FIX_PROC_HEAD): Constify text parameter.
+ (machine_name_fix): Constify all char *s.
+ * fixtests.c (skip_quote): Remove double static.
+
+ * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
+ ctrl_use_quotes): Update for new scheme.
+ * fixincl.x: Regenerate.
+
+2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
+ DWARF2_DEBUG.
+ (DWARF2_ASM_LINE_DEBUG_INFO): Define.
+ (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
+
+2000-05-11 Robert Lipe <robertlipe@usa.net>
+
+ * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
+ * fixincl.x: Regenerate.
+
+2000-05-11 Richard Henderson <rth@cygnus.com>
+
+ * calls.c: Revert both 05-09 patches.
+
+2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (print_operand): Print FP constants in
+ hexadecimal.
+ * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
+ for FP values.
+
+ * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
+ and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
+
+2000-05-11 Jason Merrill <jason@casey.cygnus.com>
+
+ * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
+
+2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
+
+Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
+ * config/avr/avr.c (jump_over_one_insn_p): New function.
+ * config/avr/avr.md: New peepholes added. Output test and
+ conditional jump to "sbrc" or "sbrs" command.
+
+2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * cppmain.c (main): Use IS_DIR_SEPARATOR.
+
+2000-05-11 Jakub Jelinek <jakub@redhat.com>
+
+ * except.c (find_exception_handler_labels_1): New function.
+ (find_exception_handler_labels): Split into two functions, dive
+ into CALL_PLACEHOLDERs when looking for exception handler labels.
+
+2000-05-11 Stan Cox <scox@cygnus.com>
+
+ * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
+ * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
+ * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
+
+2000-05-11 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c (double_slash_fix): obsolete
+ (else_endif_label_fix): obsolete
+ (format_fix): new, unused as yet
+ (main): obsolete
+ * fixinc/fixlib.h: added fix description struct for use by format_fix
+ * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
+ * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
+ modules. Removed the vestiges of the script version.
+ Added support for "make check".
+ * fixinc/check.diff: base diff file (needs work!!)
+ * fixinc/check.tpl: quiet the fixup output
+ * fixinc/fixtests.c (main): obsolete
+ * fixinc/fixincl.sh: don't bother copying fixincl to ..
+ * fixinc/fixincl.tpl: provide for arguments to c_fix routines
+
+Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Remove dead code after
+ combine.
+
+2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_funlike_expansion): Make "# is not
+ followed by a macro argument name" a pedwarn, not an error.
+ Preserve the # in the output. Suppress the warning if lang_asm.
+
+Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
+ * configure: Rebuilt.
+
+2000-05-10 Laurynas Biveinis <lauras@softhome.net>
+
+ * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
+
+2000-05-10 Kazu Hirata <kazu@hxi.com>
+
+ * combine.c (try_combine): Fix a typo.
+
+Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (insv): Add comment.
+
+2000-05-10 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
+ * mklibgcc.in: Rewrite to not use functions. Don't shortcut
+ dependancies on FPBIT and DPBIT.
+
+2000-05-10 Nick Clifton <nickc@redhat.com>
+
+ * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
+ when optimising for size.
+ (mark_used_regs:) Ditto.
+ (try_pre_increment_1): Ditto.
+
+2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
+ Make error message friendlier.
+
+ * cpphash.h (struct hashnode): Use struct hack for name
+ member.
+ * cpphash.c (struct hashdummy): New.
+ (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
+ (make_HASHNODE): No need to set ->name pointer. Correct
+ setting of p.
+ (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
+
+2000-05-10 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks_1): Remove any spare bb_note
+ after completion.
+
+2000-05-10 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
+
+2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
+
+ * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
+ after we enter .debug.
+
+2000-05-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
+ abstract instance of a nested inline function.
+
+ * stor-layout.c (finish_record_layout): finalize_type_size
+ before laying out the pending_statics.
+
+Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (spell_token): New function.
+ (spell_string, spell_comment, spell_name): fold into
+ spell_token.
+ (I, S): Add macros.
+ (E, H): Remove macros.
+ (save_comment): Save comment opening characters too.
+ (_cpp_lex_file): Update to use spell_token. Tidy up comment
+ handling.
+ * cpplib.h (I, S): Add macros.
+ (E, H): Remove macros.
+ (TTYPE_TABLE): Update entries for new speller.
+ (SYNTAX_ASSERT): Remove.
+
+Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
+ when removing escaped newlines. Reverse sense of test for
+ escaped newline.
+
+2000-05-09 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks_1): Do not delete the first
+ bb_note we run across.
+ (create_basic_block): Use reorder_insns to move an existing
+ bb_note to the correct place.
+
+2000-05-09 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Increment currently_expanding_call
+ before calling optimize_tail_recursion.
+
+Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload1.c (reload_combine): Fix errors in last change.
+
+2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (used_arg): Skip over a semicolon at the end of the
+ split-up loop; don't break out of it.
+
+ * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
+ (tree.o): Depend on output.h.
+
+ * c-decl.c (pending_invalid_xref_file,
+ current_function_prototype_file): Constify.
+ (pushdecl): Constify a local char *.
+ (define_label): Constify filename parameter.
+ * c-lex.c (init_parse): Constify parameter and return value.
+ * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
+ * c-tree.h: Update prototypes.
+ * c-parse.in: Constify filename member of %union, and if_stmt_file.
+ * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
+ objc/objc-parse.c: Regenerate.
+
+ * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
+ * dwarfout.h: Update prototypes.
+ * expr.c (expand_expr): Constify a local char *.
+ * flags.h: Constify main_input_filename.
+ * function.c (expand_function_end): Constify filename parameter.
+ * genrecog.c (make_insn_sequence): Use a character array for
+ c_test_pos.
+ (main): Remove unused variables.
+ * input.h: Constify input_filename, main_input_filename, and
+ file_stack.name. Update prototypes.
+ * output.h: Declare first_global_object_name and
+ weak_global_object_name here, as const char *.
+ * stmt.c (expand_asm_operands): Constify filename parameter.
+ * toplev.c (compile_file, push_srcloc, debug_start_source_file):
+ Constify filename parameter.
+ (input_filename, main_input_filename): Constify.
+ * toplev.h: Update prototypes.
+ * tree.c: Include output.h. Don't declare
+ first_global_object_name or weak_global_object_name. Clean up string
+ bashing in get_file_function_name_long.
+ * tree.h (struct tree_decl): Constify filename member.
+ (input_filename): Constify.
+ Update prototypes.
+ * varasm.c (first_global_object_name, weak_global_object_name):
+ Constify.
+ (assemble_start_function, assemble_variable): Clean up string bashing.
+
+ * gcc.c: Constify all spec-related strings initialized,
+ transitively, from string constants. Constify all strings
+ and string variables related to multilibs.
+ (set_spec, read_specs): Cast argument to free to PTR.
+ (used_arg): Do not modify multilib_matches. Use strncmp plus
+ length comparison to compare multilib switches.
+ * genmultilib: Constify everything declared in multilib.h.
+
+Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
+
+ * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
+ as deleted.
+
+Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (extra_constraint): change a type of
+ second argument from char to int to avoid warnings.
+ (asm_output_byte): Likewise.
+
+ * config/avr/avr.c (MAX_LD_OFFSET) New macro.
+ (initial_elimination_offset): Handle elimination from
+ FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
+ (legitimate_address_p): Use MAX_LD_OFFSET.
+ (legitimize_address): Likewise.
+ (out_movqi_r_mr): Likewise.
+ (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
+ (out_movsi_r_mr): Use MAX_LD_OFFSET.
+ (out_movsi_mr_r): Likewise.
+ (out_movqi_mr_r): Likewise.
+ (out_movhi_mr_r): Likewise.
+ (notice_update_cc): Correct CC for the ashrqi3 with the shift
+ count as CONST_INT != 6.
+ (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
+ shift count is a CONSTANT_P, but not a CONST_INT.
+ (ashlhi3_out): Coding style modifications.
+ (ashlsi3_out): Likewise.
+ (ashrhi3_out): Likewise.
+ (ashrsi3_out): Likewise.
+ (lshrhi3_out): Likewise.
+ (lshrsi3_out): Likewise.
+ (ashrqi3_out): Generate shift for any known constant count without
+ scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
+ but not a CONST_INT.
+ (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
+ shift count is a CONSTANT_P, but not a CONST_INT.
+ (extra_constraint): change a type of
+ second argument from char to int to avoid warnings.
+ (asm_output_byte): Likewise.
+ (asm_file_end): Output size generated commands count as a hex
+ number too.
+
+ * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
+
+ * config/avr/avr.md (addhi3): Fragment commented by &&0 is
+ removed.
+ (ashlqi3): Values of "length" attribute changed. Shift count
+ uses constraints 'n' instead of 'i'.
+ (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
+ shifts without clobber register.
+ (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
+ (call_insn): Correct test for which_alternative == 1 (was 0).
+ (call_value_insn): Likewise.
+
+ * config/avr/t-avr: Remove definition of FLOAT while generates
+ fp-bit.c
+
+2000-05-09 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: Template for checking fixes
+ * fixinc/inclhack.def: Added 'test_text' for many fixes
+ disable hpux8_bogus_inlines on SCO
+ * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
+
+Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Reorganize somewhat in order
+ to avoid unnecesary recalculation inside loop and make
+ tail call failure code cleaner.
+
+Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (nonlocal_reference_p): Minor reformatting.
+ * reload.c (find_equiv_reg): Simplify logic for
+ CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
+ some some reformatting.
+ * reload1.c (reload_combine): Don't assume everything in
+ CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * final.c (current_insn_predicate): New.
+ (final_scan_insn): Set it.
+ * output.h (current_insn_predicate): Declare.
+
+ * ifcvt.c (cond_exec_process_insns): New argument prob_val.
+ Attach it to call insns.
+ (cond_exec_process_if_block): Track probability for true and
+ false branches.
+ (dead_or_predicable): Likewise.
+
+ * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
+ (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
+ (PROB_VERY_LIKELY, PROB_ALWAYS): New.
+ (estimate_probability, expected_value_to_br_prob): Use them.
+
+ * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
+ * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
+ (ia64_expand_prediction): New.
+ (emit_insn_group_barriers): Don't look at notes. Emit barriers
+ as needed after calls.
+ (ia64_epilogue_uses): Mark b0 used.
+ * config/ia64/ia64.md (beq_true, beq_false): Remove.
+ (bne_true, bne_false): Remove.
+ (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
+ (br_true, br_false): New. Use predicate_operator and
+ ia64_expand_prediction.
+ (return_true, return_false): Likewise.
+ (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
+ (call_internal1, call_value_internal): Likewise.
+ (call_value_internal1, call_multiple_values_internal1): Likewise.
+
+ * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
+
+ * config/ia64/ia64.md (extendsfdf2): Split only after reload.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (may_trap_p): Consider old-style and volatile
+ asms to trap.
+
+Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (predicate_operator): Declare.
+
+ * config/ia64/ia64.md (extendsfdf2): Split the nop case out
+ of existance.
+
+ * gensupport.c (process_rtx): Copy and post-process each member
+ of the define_insn rtvec individually.
+
+Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (spell_token): New function.
+ (TOKEN_LEN): Add 1 for whitespace.
+ (_cpp_lex_file): Update to use spell_token.
+ * cpplib.h (E): Remove.
+ (TTYPE_TABLE): Update CPP_VSPACE entry.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (init_propagate_block_info): Watch out for conditional
+ branch to next instruction, and thus one outgoing edge.
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Exit early
+ for global register variables; don't special case __[CD]TOR_LIST__;
+ mind ggc_p for string allocation.
+
+2000-05-08 Nick Clifton <nickc@cygnus.com>
+
+ * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
+
+2000-05-08 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh: fixinc.sco is no longer used
+ i?86-*-msdosdjgpp* no longer uses fixincludes
+ * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
+ * fixinc/inclhack.sh: deleted
+ * fixinc/hackshell.tpl: deleted
+ * fixinc/inclhack.tpl: deleted
+ * fixinc/Makefile.in: Remove dependencies on above
+ * fixinc/fixincl.sh: "DO NOT EDIT" text modified
+
+2000-05-08 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
+ support.
+
+2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
+ substitutions.
+
+Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c: Move new lexer definitions and prototypes
+ to top. Conditional include these and the code if
+ NEW_LEXER is defined. Rename functions whose names
+ clash if this code included.
+
+Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
+
+ * rtl.def (COND_EXEC): Clarify.
+
+ * i386.md (extendsidi2): Clobber (reg:CC 17) in the
+ same fashion as zero_extendsidi2.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (predicate_operator): New.
+ (ia64_print_operand): Handle 'J'.
+ (rtx_needs_barrier): Handle COND_EXEC.
+ * config/ia64/ia64.h (BRANCH_COST): Define.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md: Docuement used unspec values.
+ (attr predicable): New.
+ (movxf, movxf_internal): New.
+ (extendsfdf2): Don't comment out nop.
+ (floatdidf2): Remove.
+ (truncxfsf2, truncxfdf2, floatdixf2): New.
+ (abssi2, absdi2): Put the neg in the "true" slot.
+ (conditional branch instructions): Mark not predicable.
+ (cmov*_internal): Use predicate_operator. Split to cond_exec.
+ (abs*_internal): Likewise.
+ (alloc, set_bsp): Mark not predicable.
+ (barrier, insn_group_barrier, flush_cache): Likewise.
+ (define_cond_exec): New.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c: Include "tm_p.h".
+
+ * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
+ (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
+ (ia64_expand_op_and_fetch): Declare.
+ * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
+ (setjmp_operand): Constify variables for XSTR.
+ (ia64_encode_section_info): Likewise.
+ (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
+ values to int.
+ (ia64_asm_output_external): Constify name.
+ (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
+ (process_for_unwind_directive): Provide switch default.
+ (ia64_expand_compare_and_swap): Remove unused variables.
+ (ia64_expand_builtin): Likewise.
+ * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
+ for printing.
+
+ * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
+ (symbolic_operand, function_operand, setjmp_operand): Likewise.
+ (shift_count_operand, shift_32bit_count_operand): Likewise.
+ (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
+ (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
+ (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
+ (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
+ (ia64_expand_builtin): Likewise.
+ (call_multiple_values_operation): Make dest_regno unsigned.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def (DEFINE_COND_EXEC): New.
+ * md.texi: Document it.
+
+ * gensupport.c (input_file): Remove.
+ (struct queue_elem): Add lineno.
+ (rtx_ready_queue): Remove.
+ (errors): New.
+ (predicable_default): New.
+ (predicable_true, predicable_false): New.
+ (define_attr_queue, define_attr_tail): New.
+ (define_insn_queue, define_insn_tail): New.
+ (define_cond_exec_queue, define_cond_exec_tail): New.
+ (other_queue, other_tail): New.
+ (queue_pattern): New.
+ (process_rtx): Add patterns to the appropriate queues.
+ (is_predicable, identify_predicable_attribute): New.
+ (n_alternatives, collect_insn_data): New.
+ (alter_predicate_for_insn, alter_test_for_insn): New.
+ (shift_output_template, alter_output_for_insn): New.
+ (process_one_cond_exec, process_define_cond_exec): New.
+ (init_md_reader): Read the entire file. Process define_cond_exec.
+ (read_md_rtx): Return elements from the queues.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Don't update conditional life info
+ if the register is not_dead.
+
+2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
+ (mostlyclean): Also delete fixincl, fixinc.sh, and
+ specs.ready, and make clean in the fixinc subdir.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (gensupport.o): Compile for the host.
+ (host-prefix gensuuprt.o): Remove.
+ (genflags.o): Depend on gensupport.h and OBSTACK_H.
+ (genattrtab.o): Likewise.
+ (gencodes.o): Depend on gensupport.h.
+ (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
+ (genpeep.o, genattr.o, genoutput.o): Likewise.
+
+ * gensupport.c (obstack, rtl_obstack): New.
+ (init_md_reader): Initialize rtl_obstack.
+ * gensupport.h (rtl_obstack): Declare.
+ (message_with_line): Declare.
+
+ * genattr.c: Remove all traces of obstack manipulation.
+ * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
+ * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
+
+ * genattrtab.c (obstack, rtl_obstack): Remove.
+ (main): Don't init rtl_obstack.
+ * genflags.c: Likewise.
+
+ * genrecog.c (message_with_line): Move ...
+ * gensupport.c: ... here.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (build_c_cast): Remove dead code.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (split_edge): Don't allocate global_live_at_start for
+ the new block unless the old blocks had them as well.
+
+ * flow.c (mark_set_1): Respect not_dead when updating reg_live.
+
+ * ifcvt.c (noce_process_if_block): Don't use an insn_b from
+ test_bb if a or b uses x.
+
+2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h: Remove conditional #define of __extension__.
+ * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
+ RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
+ (ENABLE_RTL_CHECKING only).
+ * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
+ CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
+ (ENABLE_TREE_CHECKING only).
+ * varray.h: Add __extension__ to VARRAY_CHECK macro
+ (ENABLE_CHECKING only).
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ Use new tail-calling mechanism on ARM.
+ * arm.md (sibcall, sibcall_value): New expands.
+ (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
+ (tailcalling peepholes): Delete.
+ (push_multi): Simplify.
+ * arm.c (lr_save_eliminated): Delete definition.
+ (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
+ (output_return_instruction): Remove checks on lr_save_eliminated.
+ (output_arm_prologue): Remove old tail-calling code.
+ (arm_output_epilogue): New parameter, really_return. All callers
+ changed. Handle tail-calling epilogues.
+ * arm.h (lr_save_eliminated): Delete declaration.
+ (frame_pointer_needed): Delete declaration.
+ * arm-protos.h (arm_output_epilogue): Adjust prototype.
+
+ * arm.md (is_thumb): Examine symbol thumb_code, not expression
+ TARGET_ARM.
+ * arm.c (thumb_code): Define it.
+ (arm_override_options): Set it.
+ * arm.h (thumb_code): Declare it.
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
+ bogus clobber to insns.
+ (load_multiple_operation, store_mulitple_operation): Don't check
+ for it.
+ * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
+
+ * arm.md (and_scc, ior_scc): Add missing mode.
+
+ * arm.md (call_value_symbol): Remove predicate from op2.
+
+ * arm.h (SPECIAL_MODE_PREDICATES): Define.
+
+Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (get_subtarget): New function.
+ (force_operand, expand_expr, do_store_flag): Use it.
+
+ * toplev.c (compile_file): Don't take strlen of NAME if null.
+
+2000-05-06 David Edelsohn <edelsohn@gnu.org>
+
+ * xcoffout.c (xcoff_current_include_file,
+ xcoff_current_function_file, xcoff_lastfile): Constify char *.
+ (xcoffout_source_file, xcoffout_source_line): Make filename 'const
+ char *'.
+ (xcoffout_declare_function): Make name 'const char *'.
+ (xcoffout_end_epilogue): Make fname 'const char *'
+ * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
+ xcoffout_declare_function, xcoffout_source_line): Match above.
+
+ * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
+ -maix64 is error.
+ * rs6000.c (print_operand): Fix lossage typo.
+ (output_cbranch): Remove "cr" decoration for now.
+ * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
+
+Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
+ constant count.
+
+2000-05-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/genfixes: Improve the matching for make target names
+
+2000-05-05 Catherine Moore <clm@cygnus.com>
+
+ * c-common.c (decl_attributes): For TYPE_DECLs attach the
+ attribute to the decl.
+ * c-decl.c (pushdecl): Propagate the USED attribute to the
+ type copy.
+
+2000-05-05 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
+ same way emit_group_load does.
+
+2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
+
+ * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
+ (main): Likewise.
+
+2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
+
+ * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
+
+Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
+
+ * config/openbsd.h (LINK_SPEC): pass correct flags to ld
+ to support -shared, on platforms with dynamic libraries.
+
+Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * system.h (S_ISBLK): Provide fallback definition.
+
+2000-05-05 Geoff Berry <geoffb@bops.com>
+
+ * extend.texi (Extended Asm): Document inability to give asm
+ statements access to condition codes.
+
+2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * varasm.c (asm_emit_uninitialised): Use 0, not NULL
+ as arg 2 of UNIQUE_SECTION.
+
+Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
+
+ * predict.c: Remove May 4 change.
+ * bb-reorder.c (make_reorder_chain): Do not perform block movement
+ if we have predicted the branch at 50-50 probability.
+
+2000-05-05 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (init_propagate_block_info): Fix merge error
+ in HAVE_conditional_execution code.
+
+Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
+ shift cycle for unknown shift count. Also generates dec + brpl.
+ (ashlqi3_out): Don't generate dec + brpl which now generates by
+ `out_shift_with_cnt'.
+ (ashlhi3_out): Likewise.
+ (ashlsi3_out): Likewise.
+ (ashrqi3_out): Likewise.
+ (ashrhi3_out): Likewise.
+ (ashrsi3_out): Likewise.
+ (lshrqi3_out): Likewise.
+ (lshrhi3_out): Likewise.
+ (lshrsi3_out): Likewise.
+
+2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.c (free_split_directories): Correct typo in explanation
+ of make_relative_prefix.
+
+2000-05-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
+ comparison codes to branch_comparison_operator.
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
+ (DPBIT_FUNCS): Remove _sf_to_usi.
+ (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
+
+ * ifcvt.c (noce_process_if_block): Fail if A or B modified
+ between condition and jump.
+
+ * libgcc2.c (near eh_context_specific): Comment #endif string.
+ * longlong.h: Don't use strings with embedded newlines.
+
+2000-05-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000-protos.h: Add output_cbranch.
+ * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
+ (print_operand): Delete %t and %T codes.
+ (output_cbranch): New function. Support branch prediction.
+ * config/rs6000/rs6000.md: Use output_cbranch for
+ conditional branches and returns.
+
+2000-05-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
+ * stor-layout.c (place_field): Likewise.
+ * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
+ * expr.c (store_expr): Make align unsigned.
+ * explow.c (plus_constant_wide): Make low words unsigned.
+ * expmed.c (choose_multiplier): Likewise.
+ * fold-const.c (fold): Likewise.
+ * tree.h (build_int_2): Likewise.
+ * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
+ * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
+ (init_emit): Change cast to unsigned char*.
+ * varasm.c (compare_constant_1): Add cast to char*.
+ * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
+ * reload1.c (reload): Likewise.
+
+ * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
+
+Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
+
+ * predict.c (estimate_probability): If no prediction was found, then
+ predict the successor that is the next physical block (if such a
+ successor exists).
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
+
+2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
+
+2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
+ attribute macros from here ...
+ (CPP_SPEC): to here.
+ * i386/mingw32.h (CPP_PREDEFINES): Likewise.
+ (CPP_SPEC): Likewise.
+ * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
+
+ * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
+ (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
+
+2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
+
+ * diagnostic (vbuild_message_string, build_message_string,
+ build_location_prefix, output_get_prefix, init_output_buffer,
+ output_notice, vline_wrapper_message_with_location,
+ v_message_with_decl, default_print_error_function): De-constify.
+ (set_real_maximum_length): Prototype.
+
+ * diagnostic.h (struct output_buffer, init_output_buffer,
+ output_get_prefix, output_set_prefix): De-constify.
+
+ * function.c (init_function_start): Constify.
+
+ * gensupport.c (remove_constraints, process_rtx): Prototype.
+
+ * gthr-posix.h: Indent uses of #pragma.
+
+ * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
+ Prototype.
+
+ * predict.c (find_expected_value): Delete prototype.
+ (expected_value_to_br_prob): Initialize variable `ev_reg'.
+
+ * sbitmap.h (debug_sbitmap): Prototype.
+
+ * ssa.c (compute_coalesced_reg_partition): Prototype.
+
+ * stor-layout.c (debug_rli): Prototype.
+
+ * tree.h (round_down): Prototype.
+ (init_function_start): Constify.
+
+2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
+ (overly conservative). Change extern inline wrappers to
+ static inline, define them always, use PARAMS properly.
+ * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
+ whitespace warnings for \f and \v at the beginning of a line.
+
+Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (schedule_insns): Free the flow edge list when it
+ is no longer needed
+
+2000-05-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixincl/inclhack.def: added broken_cabs -
+ Remove `extern double cabs' declarations from math.h
+ * fixincl/inclhack.sh: regen
+ * fixincl/fixincl.x: regen
+ * fixincl/fixincl.c: Remove BOGOSITY code
+ * fixincl/mkfixinc.sh: Remove code for installing "shell" version
+
+Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
+ MEM_ALIAS_SET.
+ * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
+ when calling MEM_COPY_ATTRIBUTES.
+ * emit-rtl.c (operand_subword, change_address): Likewise.
+ * explow.c (stabilize): Likewise.
+ * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
+ when calling MEM_COPY_ATTRIBUTES.
+ (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
+ Likewise.
+ * cse.c (gen_lowpart_if_possible): Likewise.
+ * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
+ * optabs.c (gen_move_insn): Likewise.
+ * recog.c (validate_replace_rtx_1): Likewise.
+ * simplify-rtx.c (add_mem_for_addr): Likewise.
+ * stmt.c (expand_anon_union_decl): Likewise.
+ * config/arm/arm.md: Likewise.
+ * config/h8300/h7300.c (fix_bit_operand): Likewise.
+ * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
+ (block_move_no_loop, block_move_sequence): Likewise.
+ * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
+ * config/alpha/alpha.c (get_aligned_mem): Likewise.
+ Clear MEM_ALIAS_SET.
+ * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
+ MEM_COPY_ATTRIBUTES.
+
+2000-05-03 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
+ to suppress libgcc1.
+ (i[34567]86-*-sco3.2v5*) Likewise.
+ (i[34567]86-*-sco3.2v4*) Likewise.
+ (i[34567]86-*-sco) Likewise.
+ (i[34567]86-*-solaris2) Likewise.
+ (i[34567]86-*-sysv5*) Likewise.
+ (i[34567]86-*-sysv4*) Likewise.
+ (i[34567]86-*-udk*) Likewise.
+ (i[34567]86-*-sysv*) Likewise.
+
+2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (U): New define, to correct type of string constants.
+ (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
+ routines, to do casts when passing unsigned strings to libc.
+ * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
+
+ * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
+ * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
+ * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
+ * cpplex.c (parse_ifdef, parse_include, validate_else): Make
+ second argument an U_CHAR *.
+
+ * cppinit.c (builtin_array): Make name and value U_CHAR *, add
+ length field, clean up initializer.
+ (ISTABLE): Add __extension__ to designated-
+ initializers version.
+ * cpplex.c (CHARTAB): Likewise.
+
+ * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
+ case so the file won't be empty.
+
+Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (struct reorder_block_def): Member succ removed.
+ (REORDER_BLOCK_SUCC): Removed.
+ (enum reorder_skip_type): Removed.
+ (skip_insns_between_block): Renamed to skip_insns_after_block.
+ Removed second argument. Removed dead code and cleaned up.
+ (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
+ (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
+ second parameter to skip_insns_after_block.
+
+Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (staticp, case LABEL_DECL): New case.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (start.encap): Do not depend on LIBGCC1.
+
+ * mklibgcc1.in: Fix typo last change.
+
+2000-05-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
+ (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
+ (GCC_CFLAGS): Use it.
+ (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
+ * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
+ objc/Make-lang.in: Use it.
+
+2000-05-03 Jason R Thorpe <thorpej@zembu.com>
+
+ * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
+ LIBGCC1 empty with libgcc1.null.
+
+Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
+
+ * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
+ change.
+
+2000-05-03 Greg McGary <gkm@gnu.org>
+
+ * tree.h (tree_common): Add bounded_flag member. Remove
+ inaccurate comment about number of remaining bits.
+ (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
+ BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
+ MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
+ TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
+ TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
+ (TYPE_QUAL_BOUNDED): New constant.
+ (TYPE_QUALS): Handle bounded qualifier.
+ (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
+ (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
+ TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
+ TYPE_AMBIENT_BOUNDEDNESS): New macros.
+ (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
+ (tree_type): Add pointer_depth member. Remove
+ inaccurate comment about number of remaining bits.
+ (DECL_POINTER_DEPTH): Add macro.
+ (tree_decl): Add pointer_depth member.
+
+Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (test_hard_reg_class): Declared.
+ * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
+ (lshrhi3_out): Likewise.
+ (ashrsi3_out): bugfix in shift by 8.
+ (test_hard_reg_class): New function.
+ * config/avr/avr.md: Bugfix inside conditions in peepholes.
+ (ashlhi3): removed define_expand of this pattern.
+ (*ashlhi3_insn): renamed to ashlhi3.
+ (ashlsi3): removed define_expand of this pattern.
+ (*ashlsi3_insn): renamed to ashlsi3.
+ (ashrqi3): removed define_expand of this pattern.
+ (*ashrqi3_insn): renamed to ashrqi3.
+ (ashrhi3): removed define_expand of this pattern.
+ (*ashrhi3_insn): renamed to ashrhi3.
+ (ashrsi3): removed define_expand of this pattern.
+ (*ashrsi3_insn): renamed to ashrsi3.
+ (lshrhi3): removed define_expand of this pattern.
+ (*lshrhi3_insn): renamed to lshrhi3.
+ (lshrsi3): removed define_expand of this pattern.
+ (*lshrsi3_insn): renamed to lshrsi3.
+
+2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
+ inclusion of "system.h".
+
+Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Add check for
+ TREE_ASM_WRITTEN.
+
+2000-05-03 David Mosberger <davidm@hpl.hp.com>
+
+ * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
+ if -mauto-pic is on.
+ (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
+ -mconstant-gp is in effect and function-descriptors are being used
+ to make indirect calls.
+ * config/ia64/ia64.h (MASK_CONST_GP): New macro.
+ (MASK_AUTO_PIC): Ditto.
+ (TARGET_CONST_GP): Ditto.
+ (TARGET_AUTO_PIC): Ditto.
+ (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
+ (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
+ -mno-pic is in effect.
+ (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
+ * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
+ -mauto-pic is in effect.
+ (gprel64_offset): New pattern.
+ (load_gprel64): Ditto.
+ (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
+ -mconstant-gp is in effect, no need to preserve gp around direct
+ calls.
+ (call_value): Ditto.
+ * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
+ (FUNCTION_PROFILER): Define.
+ * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
+ @fptr() directive when -mno-pic or -mauto-pic is in effect.
+ (ASM_OUTPUT_DESTRUCTOR): Ditto.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
+ (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
+ (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
+ (mklibgcc, libgcc.mk): New targets.
+ (libgcc.a): Use libgcc.mk.
+ (stmp-multilib): Likewise.
+ (stmp-multilib-sub): Remove.
+ (mostlyclean): Don't delete libgcc2 temp files.
+ * configure.in (AC_PROG_CC_C_O): Add.
+ (NO_MINUS_C_MINUS_O): Substitute it.
+ (all_outputs): Add mklibgcc.
+ * mklibgcc.in: New file.
+
+2000-05-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * cppexp.c (op_t): Make an int.
+
+ * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
+
+ * varasm.c (initializer_constant_valid_p): Fix parenthesis.
+
+ * gensupport.c (process_rtx): Fix macros used.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
+ call-clobbered registers of a call.
+
+Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * gensupport.c: New file.
+ * gensupport.h: New file.
+ * Makefile.in (HOST_RTL): Depend on gensupport.
+ (gensupport.o) New rule.
+ * genattr.c: Use gensupport for reading .md files.
+ * genattrtab.c: Ditto.
+ * gencodes.c: Ditto.
+ * genconfig.c: Ditto.
+ * genemit.c: Ditto.
+ * genextract.c: Ditto.
+ * genflags.c: Ditto.
+ * genopinit.c: Ditto.
+ * genoutput.c: Ditto.
+ * genpeep.c: Ditto.
+ * genrecog.c: Ditto.
+ * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
+ * md.texi (Insn Splitting): Document define_insn_and_split.
+
+Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (verify_flow_info): Added two more sanity checks. The
+ first checks that the blocks are numbered consecutively. The second
+ checks that n_basic_blocks is actually equal to the number of
+ basic blocks in the insn chain.
+
+2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Add accessor macros for token lists.
+ * cpplib.c, cpphash.c, cpplex.c: Use them.
+
+Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
+ memory usage if not in a function.
+ * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
+ return address if static.
+
+Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
+ whether address may trap.
+
+Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder (chain_reorder_blocks): Changed code to test for
+ EDGE_FALLTHRU rather than making erroneous assumption that the
+ first outgoing edge is the fall-through edge.
+
+Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
+
+ * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
+ ABI for varargs, across all MIPS. This is incompatible because the
+ va_list (__builtin_va_list) structure is different, so a compilation
+ unit passing a va_list and a compilation unit being passed one, should
+ both be compiled with the same ABI. (The old structure had two
+ pointers, now it has three.)
+
+Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (struct reorder_block_def): Remove members end,
+ block_begin, and block_end.
+ (REORDER_BLOCK_OLD_END): Delete.
+ (REORDER_BLOCK_BEGIN): Delete.
+ (REORDER_BLOCK_END): Delete.
+ (chain_reorder_blocks): Remove dead code.
+
+Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (remove_scope_notes): Check for both types of scope
+ notes as the end of a basic block before deleting.
+
+2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * final.c (final_start_function): Fix spelling of "necessary".
+
+2000-05-02 Jason Merrill <jason@casey.cygnus.com>
+
+ * toplev.c (debug_ignore_block): Return int.
+ * dwarf2out.c (dwarf2out_ignore_block): Likewise.
+ * toplev.h, dwarf2out.h: Adjust.
+ * emit-rtl.c (remove_unnecessary_notes): Test return value.
+
+ * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
+ * toplev.c, final.c, rtl.h: Adjust.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
+ * configure.in: Look for makeinfo in the unified tree, then
+ for a system makeinfo which is sufficiently new.
+ * Makefile.in: If configure says makeinfo is too old, don't
+ build or install Info documentation.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_params): Fix off-by-one error.
+ (dump_hash_helper): Dump all four macro nodetypes.
+
+2000-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ * cpphash.c (trad_stringify): Adjust p after stringification as
+ well.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
+ (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
+
+ * cppfiles.c (file_cleanup): Delete.
+ * cpphash.c (macro_cleanup): Delete.
+ (collect_objlike_expansion, collect_funlike_expansion,
+ macarg, scan_arguments): Remove CPP_POP case.
+
+ * cpplex.c (null_cleanup): Delete.
+ (cpp_pop_buffer): Do the work that was done in the cleanups
+ here. Call _cpp_unwind_if_stack from here.
+ (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
+ cpp_scan_buffer): Run until we see CPP_EOF and the top of
+ stack is the buffer _below_ the one we stacked.
+ (cpp_get_token): Always pop an exhausted buffer. Return
+ CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
+ * cpplib.c (skip_if_group): Don't call cpp_get_token to
+ increment the line number.
+ (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
+
+ * fix-header.c (read_scan_file) [parsing getchar()]: Run until
+ we see CPP_EOF and the top of stack is the buffer _below_ the
+ one we stacked.
+ * scan-decls.c: Likewise.
+
+2000-05-02 Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
+ where this function is called for the second time on a decl that
+ has had its section info changed in such a way as to move it out
+ of small data/bss.
+ * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
+ the sequence we're moving, not to merge_bb->head.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
+ reference to alpha/t-linux.
+ (alpha*-*-linux-gnu*): Likewise.
+ * configure: Rebuild.
+
+ * calls.c (expand_call): Don't emit reg notes for a sibcall.
+
+ * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
+ if not in SSA form.
+
+ * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
+
+2000-05-01 Jason Merrill <jason@casey.cygnus.com>
+
+ * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
+ TREE_THIS_VOLATILE.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (noce_emit_cmove): Conditionally compile call to
+ emit_conditional_move.
+
+2000-05-01 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
+ as the dynamic linker.
+
+2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): Open file in blocking mode.
+ (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
+ Only exclude block devices and directories.
+
+ * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
+ static. Allocate the hashnode and its string in the same
+ block of memory.
+ (del_HASHNODE): Don't free h->name.
+ (_cpp_lookup): If there is no entry for this string, create
+ one, of type T_VOID.
+ (_cpp_lookup_slot): Delete.
+ * cpphash.h: Update prototypes.
+
+ * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
+ not hp == NULL.
+ * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
+ do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
+ node here, just fill in the value field properly. "Delete"
+ entries by setting the value field to T_VOID. Check for
+ hp->type == T_VOID, not hp == NULL.
+
+ * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
+ * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
+ hashtab.h.
+
+2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (print_operand_address): Do not add
+ zero to SP.
+
+ * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
+ adjusted by less than 256 bytes, use ret regardless of having any
+ callee-saved register to restore.
+
+2000-05-01 Laurynas Biveinis <lauras@softhome.net>
+
+ * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
+
+2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (INT_ASM_OP): Define.
+ (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
+ (ASM_WEAKEN_LABEL): Define.
+ (MASK_BNU210): Define.
+ (SUBTARGET_SWITCHES): Define.
+ (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
+ (MAKE_DECL_ONE_ONLY): Define.
+ (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
+
+2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (INT_ASM_OP): Define.
+
+Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (address_cost): renamed to avr_address_cost.
+ * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
+
+Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
+ __tmp_reg__ and __zero_reg__ initialization.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
+
+ * ifcvt.c (noce_process_if_block): Fail the conversion if X is
+ referenced bewteen the condition and the jump. Don't delete
+ anything but the jump.
+
+Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (scope_def): New struct.
+ (scope_forest_info): New struct.
+ (struct reorder_block_def): New member "scope".
+ (REORDER_BLOCK_SCOPE): New macro.
+ (relate_bbs_with_scopes): New function and prototype.
+ (make_new_scope): Likewise.
+ (build_scope_forest): Likewise.
+ (remove_scope_notes): Likewise.
+ (insert_intra_1): Likewise.
+ (insert_intra_bb_scope_notes): Likewise.
+ (insert_inter_bb_scope_notes): Likewise.
+ (rebuild_scope_notes): Likewise.
+ (free_scope_forest_1): Likewise.
+ (free_scope_forest): Likewise.
+ (dump_scope_forest): Likewise.
+ (dump_scope_forest_1): Likewise.
+ (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
+ Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
+ block.
+ (reorder_basic_blocks): Added calls to build_scope_scope_forest
+ and remove_scope_notes before reordering is done. Added calls to
+ rebuild_scope_notes, free_scope_forest, and reorder_blocks after
+ after reordering is done.
+
+2000-40-30 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def: Added definitions needed by OSR5,
+ removed two stale entries (defined away with OLD_CPP).
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
+ from the last insn in the sequence.
+
+2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (cpp_idcmp): New function.
+ * cpplib.h: Prototype it.
+ * scan_decls.c (scan_decls): Use it to inspect token names.
+ * fix-header.c (read_scan_file): Likewise. Set system_header_p on
+ the file being run through the preprocessor.
+ (check_macro_names): Provide length of token to cpp_defined.
+
+ * Makefile.in: Remove stale warning message.
+
+ * cppfiles.c (redundant_include_p): Provide length of token to
+ cpp_defined.
+ * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
+ values are unsigned int.
+ (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
+ (_cpp_lookup_slot): Do not calculate the hash, either.
+ * cpphash.h: Update prototypes.
+ * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
+ Hashes are unsigned int. Calculate hash here, pass by value
+ to _cpp_lookup_slot.
+
+2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * simplify-rtx.c (check_value_useless): Delete function.
+ (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
+ by hand.
+ (cselib_invalidate_regno): Likewise.
+ (cselib_invalidate_mem_1): Likewise.
+ (references_value_p): Recognize useless values by the fact that they
+ have no locations.
+ (discard_useless_values): Likewise.
+ (cselib_record_set): This may turn a useless value
+ into a useful one.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * config/d30v: New port.
+
+ * configure.in (d30v-*): Set fp format.
+ * configure: Rebuild.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c: New file.
+ * Makefile.in (OBJS): Add it.
+ (ifcvt.o): New target.
+ * jump.c (jump_optimize_1): Remove all code related to if-conversion,
+ and conditional arithmetic.
+ (find_insert_position): Remove.
+ * timevar.def (TV_IFCVT, TV_IFCVT2): New.
+ * toplev.c (DFI_ce, DFI_ce2): New.
+ (dump_file): Add ce and ce2 dumps.
+ (rest_of_compilation): Run if_convert a couple o times. Set
+ cse_not_expected after cse2. Don't set no_new_pseudos until
+ after sched1 or recompute_reg_usage.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
+ (crtend.o, crtbeginS.o, crtendS.o): Likewise.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct reg_cond_life_info): New.
+ (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
+ (init_propagate_block_info): Initialize them.
+ (free_propagate_block_info): Destruct them.
+ (mark_set_1): Consider conditional life before killing a register.
+ (mark_regno_cond_dead): New.
+ (free_reg_cond_life_info): New.
+ (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
+ (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
+ (mark_used_reg): Record conditional life.
+
+ * haifa-sched.c (schedule_insns): Disable death counting
+ sanity check for HAVE_conditional_execution.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (TIMEVAR_H): New.
+ (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
+ (timevar.h): Remove rule.
+
+2000-04-29 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/crtend.asm: Use C comments instead of #.
+ * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
+
+ * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
+
+2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (enum node_type: Take out T_MCONST.
+ (union hashval): Move into struct hashnode.
+ (struct hashnode): Pack tighter. Remove file, line, col
+ members.
+ * cpphash.c: Constify most of the macro-definition structures.
+ (struct definition): Replace by struct object_defn
+ and struct funct_defn. Put file, line, column information
+ here. All users updated to match.
+ (_cpp_create_definition, _cpp_macroexpand): Remove special
+ case for #define WORD OTHERWORD.
+ * cpplib.c (do_undef): Remove T_MCONST case.
+
+ * cpphash.h: Move struct reflist, struct definition, and the
+ DEFINITION typedef to cpphash.c. Use 'struct definition *' in
+ union hashval. _cpp_free_definition takes a HASHNODE pointer.
+ * cpphash.c (_cpp_free_definition): Free data pointed to by
+ MCONST, XCONST, MACRO, and FMACRO nodes properly.
+ (_cpp_create_definition, del_HASHNODE): Just call
+ _cpp_free_definition to clear out a hashnode.
+ * cpplib.c (do_pragma_poison): Likewise.
+
+Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
+ LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
+ FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
+ (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
+ (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
+ REGNO_AM33_P): Redefine in terms of the new macros.
+ (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
+ (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
+ STRUCT_VALUE): Likewise.
+ (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
+ ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
+
+Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * regmove.c (struct record_stack_memrefs_data): New.
+ (record_stack_memrefs): New function.
+ (combine_stack_adjustments_for_block): Use it.
+
+Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
+ use special_function_p to detect alloca.
+
+Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
+
+ * gcc.texi: Fixes for makeinfo 4.0 --html.
+
+2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * pcp.h: Delete file.
+
+2000-04-28 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (function_epilogue): Clean up flags when the last insn
+ in a function is a barrier.
+
+2000-04-28 Chris Demetriou <cgd@sibyte.com>
+
+ * configure.in (sparc-hal-solaris2*): protect [] glob from
+ my expansion.
+ (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
+ rather than hard-coded constants in target_cpu_default2.
+ * configure: Regenerate.
+
+2000-04-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * tree.c (get_callee_fndecl): Extract the initial value from
+ a readonly decl.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+
+ * varasm.c (record_constant_1): Record the CODE_LABEL when
+ taking the address of a LABEL_REF.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): Return the
+ adjustment; don't do the stack adjust.
+ (expand_call): Call compute_argument_block_size right before
+ allocating the block; update comment; don't do alignment sanity
+ checking for sibling call; use args_size instead of
+ unadjusted_args_size before args_size is adjusted. Use
+ combine_pending_stack_adjustment_and_call to compute stack adjust
+ for must_preallocate case.
+
+ * expr.c (push_block): Remove shadow `temp' in inner scope.
+
+2000-04-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * toplev.c (rest_of_compilation): Call
+ note_deferral_of_defined_inline_function even if the function
+ can't be inlined.
+
+2000-04-28 Scott Bambrough <scottb@netwinder.org>
+
+ * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
+
+2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * timevar.c (init_timevar): DeANSIfy function definition.
+
+2000-04-27 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (timevar.o): Depend on flags.h.
+ * timevar.c (unused_stack_instances): New variable.
+ (timevar_push): Take a timevar_stack_def from
+ unused_stack_instances if available.
+ (timevar_pop): Push the popped timevar_stack_def onto
+ unused_stack_instances.
+ (TIMEVAR_ENABLE): New macro.
+ (timevar_def): Make standalone a 1-bit field. Add field used.
+ (get_time): Rename parameter to now. Return after clearing it if
+ not TIMEVAR_ENABLE.
+ (init_timevar): Do nothing if not TIMEVAR_ENABLE.
+ (timevar_pop): Likewise.
+ (timevar_stop): Likewise.
+ (timevar_push): Likewise. Mark the timing variable as used.
+ (timevar_start): Likewise.
+ (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
+ timevars that were never used.
+
+2000-04-27 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
+ always TREE_READONLY.
+
+2000-04-27 Ulrich Drepper <drepper@cygnus.com>
+
+ * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
+ for call instruction with mode QImode.
+
+2000-04-27 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (OBJS): Add timevar.o.
+ (toplev.o): Depend on timevar.h.
+ (ggc-simple.o): Likewise.
+ (ggc-page.o): Likewise.
+ (timevar.o): New rule.
+ (timevar.h): New rule.
+
+ * timevar.h: New file.
+ * timevar.c: Likewise.
+ * timevar.def: Likewise.
+
+ * toplev.h (gc_time, parse_time, varconst_time): Remove.
+ * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
+ throughout.
+ (TIMEVAR): Remove macro.
+ (gc_time, parse_time, varconst_time, integration_time, jump_time,
+ cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
+ flow_time, combine_time, regmove_time, sched_time,
+ local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
+ sched2_time, dbr_sched_time, reorder_blocks_time,
+ rename_registers_time, shorten_branch_time, stack_reg_time,
+ to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
+ all_time): Remove.
+ (compile_file): Don't initialize time variables. Call
+ init_timevar and start TV_TOTAL timer. Call timevar_print instead
+ of many calls to print_time.
+ (rest_of_compilation): Add timing for reload_cse_regs.
+ (get_run_time): Removed to timevar.c.
+ (print_time): Likewise.
+ (get_run_time): Implement using TV_TOTAL time variable.
+ (print_time): Get total run time from get_run_time.
+ * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
+ computing elapsed time explicitly.
+ * ggc-simple.c (ggc_collect): Likewise.
+ (gc_time): Remove declaration.
+
+2000-04-27 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): New function.
+ (expand_call): Use it.
+
+2000-04-27 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
+ fields.
+
+Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
+ registers.
+
+Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * function.c (epilogue_done): Pass whole insn to record_insns.
+
+Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (CSE_ADDRESS_COST): Remove.
+ (find_best_addr): Add new parameter "MODE", use address_cost instead
+ of CSE_ADDRESS_COST
+ (address_cost): New.
+ (fold_rtx): Update call of find_best_addr.
+ * rtl.h (address_cost): Declare.
+ * loop.c (general_induction_var): Add new parameter "MODE", use
+ address_cost instead of ADDRESS_COST
+ (init_loop): Use address_cost instead of ADDRESS_COST.
+ (check_insn_for_givs): Update call of general_induction_var.
+ (find_mem_givs): Likewise.
+ (consec_sets_giv): Likewise.
+ * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
+ * i386.c (ix86_address_cost): New.
+ * i386-protos.h (ix86_address_cost): Declare.
+
+Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
+ registers.
+
+Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (store_expr): Use clear_storage instead of direct memset
+ libcall.
+
+Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (mn10300_address_cost): Test
+ ASHIFT, AND and LABEL_REF.
+
+Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (-foptimize-sibling-calls): Fix.
+
+Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (load_mems) Don't use hard registers for the hoisting.
+
+ * unroll.c (unroll_loop): Avoid overflow in the n_iterations
+ calculation; rename const_equiv array in the preconditioning code
+ from loop_unroll to loop_unroll_precondition
+
+2000-04-27 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct propagate_block_info): Remove new_dead, new_live;
+ add new_set.
+ (propagate_one_insn): Clear it. Don't update reg_live here.
+ (init_propagate_block_info): Update for pbi member changes.
+ (free_propagate_block_info): Likewise.
+ (mark_set_1): Know that zero_extract, sign_extract, and
+ strict_low_part don't kill their argument. Alter hard subregs.
+ Update new_set for non-CLOBBER sets. Update reg_live.
+ (find_auto_inc): Update reg_live, not new_dead.
+ (mark_used_reg): Update reg_live, not new_live. Examine new_set
+ to determine if the reg in question was set this insn. Only update
+ reg info with PROP_REG_INFO.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (allocate_reg_life_data): Set max_regno here ...
+ (life_analysis): ... not here.
+
+ * flow.c (calculate_global_regs_live): Force stack pointer
+ live at end.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
+ commit change group changes.
+ (invert_exp_1): Similarly.
+ (redirect_exp, invert_exp): Use them.
+ (redirect_jump_1): New.
+ (invert_jump_1): New.
+ (jump_optimize_1): Remove code subsumed by condexec.c.
+ * rtl.h (invert_jump_1, redirect_jump_1): Declare.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
+
+ * genconfig.c (main): Set all HAVE_foo to 1.
+
+ * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
+
+2000-04-26 Alex Samuel <samuel@codesourcery.com>
+
+ * invoke.texi: Document -fssa flag.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (count_reg_sets_1): Remove.
+ (count_reg_sets, count_reg_references): Remove.
+ (recompute_reg_usage): Implement with update_life_info.
+ Reallocate life data.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (update_life_info): Consider blocks null to mean the
+ universal set.
+ (calculate_global_regs_live): Likewise.
+ (life_analysis): Do that instead of collecting all_blocks.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
+ a still-valid conditional jump.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
+
+ * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
+ * flow.c (calculate_loop_depth): Remove.
+ * output.h (calculate_loop_depth): Don't declare.
+ * toplev.c (rest_of_compilation): Expand calculate_loop_depth
+ inline; run estimate_probability at the same time.
+
+2000-04-26 Neil Booth <NeilB@earthling.net>
+
+ * cpplib.h: "~=" is not a single pp-token.
+ * cpplex.c: Correct commentary.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): New arguments code and flags; update all
+ callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
+ test in one place. Tidy flags tests. Don't bias REG_N_REFS by
+ loop_depth when optimizing for size. Do new_dead update after
+ emitting REG_UNUSED notes. Merge mark_set_reg code.
+ (mark_set_reg): Remove.
+ (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
+ arrange to not emit REG_UNUSED notes.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
+ * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Break out from propagate_block.
+ (init_propagate_block_info): Likewise.
+ (free_propagate_block_info): Likewise.
+ (propagate_block): Use them. Export.
+ * basic-block.h: Declare them all.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (life_analysis): Declare here ...
+ * output.h: ... not here.
+ * flow.c (life_analysis): Remove nregs parameter; replace
+ remove_dead_code with flags. Remove ssa dead code check.
+ Only init alias analysis if we'll use it.
+ * reg-stack.c (reg_to_stack): Update life_analysis arguments.
+ * ssa.c (convert_to_ssa): Likewise.
+ (convert_from_ssa): Likewise.
+ * toplev.c (rest_of_compilation): Likewise.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (flow_delete_block): Rename from delete_block. Export.
+ * basic-block.h (flow_delete_block): Declare.
+
+2000-04-26 David S. Miller <davem@redhat.com>
+
+ * optabs.c (emit_libcall_block): Verify insns with INSN_P before
+ taking a PATTERN of it.
+
+2000-04-26 <NeilB@earthling.net>
+
+ * cpplex.c (spell_other, spell_char): Remove.
+ (SPELL_CHAR): New.
+ (token_spelling, trigraph_map): Use unsigned chars.
+ (_cpp_lex_line): Tidy up the switch statement.
+ * cpplib.h: Implement spell_char with spell_string.
+ (C): New.
+
+2000-04-26 <RodneyBrown@pmsc.com>
+
+ * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+ * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+
+2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
+ reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
+ dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
+ dwarf2out_return_save, dwarf2out_return_reg,
+ dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
+ add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
+ gen_compile_unit_die, dwarf2out_init): Constify a char*.
+
+ * dwarf2out.h (dwarf2out_init): Likewise.
+
+ * dwarfout.c (filename_entry, primary_filename, last_filename,
+ type_tag, output_compile_unit_die, dwarfout_init): Likewise.
+
+ * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
+ dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
+ dwarf2out_return_reg): Likewise.
+
+2000-04-26 Andreas Jaeger <aj@suse.de>
+
+ * extend.texi (Function Attributes): Fix description of pure
+ attribute.
+
+2000-04-26 Jason Merrill <jason@casey.cygnus.com>
+
+ * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
+ before calling rest_of_compilation.
+
+2000-04-26 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
+ last patch.
+
+2000-04-25 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (cse_insn): Emit barrier after unconditional jump.
+
+ * calls.c (expand_call): Disable tail call generation once
+ rtx_equal_function_value_matters is false.
+
+ * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
+ like EDGE_EH edges.
+
+2000-04-25 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
+
+ * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
+
+ * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
+ is the primary DIE for a member function.
+ (gen_decl_die): Call set_decl_origin_self here.
+ * dwarfout.c (output_decl): And here.
+ * integrate.c (output_inline_function): Not here.
+ Don't clear DECL_INLINE until after calling rest_of_compilation.
+ (set_decl_origin_self): No longer static.
+ * tree.h: Add prototype.
+ * toplev.c (note_deferral_of_defined_inline_function): Only write
+ out abstract instance for actual inlines.
+
+2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
+ EXTENDED_REGS only if TARGET_AM33.
+ * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
+ SP_REGS to register allocation and reloading unless absolutely
+ necessary.
+ (movsi3): Remove special-case of adding non-constants to SP.
+
+2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
+ INCLUDES to search and does not provide any of its own. Also it
+ now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
+ parameters. Also it does not call AC_DEFINE.
+ (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
+ AC_DEFINE and provides for automatic entries for autoheader.
+ (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
+
+ * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
+ so we can pass -I flags and include gansidecl.h/system.h in this
+ test.
+
+ * acconfig.h: Delete all NEED_DECLARATION_* entries.
+
+2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+ ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+ ENABLE_GC_ALWAYS_COLLECT): Delete entries.
+
+ * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+ ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+ ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
+ for these macros. Clean up spacing and linewraps.
+
+2000-04-26 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (expand_call): Use get_callee_fndecl.
+
+ * print-tree.c (print_node): Print the chain of an _EXPR.
+
+Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
+ Jim Wilson <wilson@cygnus.com>
+ Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
+ and gp save/restore problems.
+ * config/ia64/crtend.asm: Add IA-64 unwind support.
+ * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
+ in fr_pad_size calculation.
+ (save_restore_insns): Move PR save area. Correct uses of
+ RTX_FRAME_RELATED_P.
+ (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
+ (ia64_expand_epilogue): Add eh_epilogue support.
+ (ia64_function_prologue): Emit .prologue directive.
+ (ia64_init_machine_status, ia64_mark_machine_status): New functions.
+ (ia64_override_options): Set init_machine_status and
+ mark_machine_status.
+ (rtx_needs_barrier): Handle bsp reads and writes.
+ (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
+ New static variables.
+ (process_set, process_for_unwind_directive): New functions.
+ * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
+ ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
+ ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
+ macros.
+ (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
+ (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
+ (struct machine_function): Define.
+ * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
+
+2000-04-25 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.in: make the removal of old programs more
+ robust
+ * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
+ install-bin and install-sh
+
+2000-04-25 Nick Clifton <nickc@cygnus.com>
+
+ * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
+ defined, define to return zero.
+ (function_cannot_inline_p): If a function has any target
+ specific attributes, then use the macro
+ FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
+ whether it can be inlined. If it cannot, issue a suitable
+ explanation.
+
+ * tm.texi: Add a new node 'Inlining' to document the new macro
+ FUNCTION_ATTRIBUTE_INLINABLE_P.
+
+2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
+ commentary.
+
+2000-04-25 Neil Booth <NeilB@earthling.net>
+
+ Restore previous patch, plus the following fixes:
+
+ * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
+ flags, not CPP_OPEN_PAREN.
+ * cpplex.c (expand_token_space, init_token_list,
+ cpp_free_token_list): Put the dummy token at list->tokens[-1].
+ (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
+
+Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/i386/freebsd.h (INT_ASM_OP): Define.
+
+Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Fix typo in the last checkin.
+
+Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (finalize_record_size): Simplify to use existing
+ functions.
+ (compute_record_mode): No longer static.
+ * tree.h (compute_record_mode): New declaration.
+
+2000-04-25 Neil Booth <NeilB@earthling.net>
+
+ * Revert my patch below until cause of build failures
+ determined.
+
+2000-04-25 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (combine_instructions): Add missing argument
+ to try_combine.
+
+ * toplev.c (rest_of_compilation): Delay sibcall optimization
+ until after emit_eh_context.
+
+2000-04-24 Nick Clifton <nickc@redhat.com>
+
+ * combine.c (combine_instructions): Do not try to combine a
+ sequence of insns when the second insn has been replaced by a
+ note.
+
+Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gcc.c (load_specs): New static function.
+ (read_specs): Use it.
+
+ * gcc.c (lookup_compiler): Make multiple passes for case
+ insensitive filesystems.
+
+2000-04-24 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
+ * cpphash.h (_cpp_check_directive): new.
+ * cpplex.c (handle_newline, cpp_free_token_list,
+ init_trigraph_map, trigraph_ok, trigraph_replace,
+ backslash_start, skip_block_comment, skip_line_comment,
+ skip_whitespace, parse_name, parse_number, parse_string,
+ copy_comment, _cpp_lex_line, spell_char, spell_string,
+ spell_comment, spell_name, spell_other, _cpp_lex_file,
+ _cpp_output_list): new.
+ (expand_name_space): take length argument.
+ (init_token_list): add comment list initialisation.
+ (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
+ instead of HSPACE_BEFORE.
+
+ * cpplib.c (_cpp_check_directive): new
+ * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
+ DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
+ (HSPACE_BEFORE): delete.
+ (TTYPE_TABLE): rearrange.
+ (struct cpp_toklist): update.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
+ gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
+ argument form of AC_DEFINE.
+
+ * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
+ HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
+ WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
+ HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
+ HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
+
+ * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
+ deduced.h): Use -isystem, not -I, for including system headers.
+
+2000-04-24 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.md (addsi3): Do not use small add instruction if
+ the source register is the frame pointer or arg pointer.
+ (addsi3_small_int): Disallow if source register is the frame
+ pointer or arg pointer.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
+ call to AC_MSG_RESULT.
+
+2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi: Correct grammatical errors, document
+ -fno-gnu-keywords as identical to -fno-asm for C++.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
+ GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
+ GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
+ AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
+ EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
+
+ * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
+ GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
+ GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
+ GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
+ new macros names.
+
+2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
+ (pop_alignment): Likewise.
+ (handle_pragma_token): Likewise.
+
+2000-04-24 Robert Lipe <robertlipe@usa.net>
+
+ * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
+
+2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
+
+ * combine.c (try_combine): Update reg_nonzero_bits of
+ newi2pat before newpat.
+
+Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Simplify test to INSN_P.
+ (record_giv): Attempt to simplify the add value, use CONSTANT_P
+ expressions instead of CONST_INT.
+ (express_from_1): Likewise.
+
+2000-04-24 Mark Mitchell <mark@codesourcery.com>
+
+ * regs.h (reg_n_max): Don't declare.
+ * flow.c (reg_n_max): Don't define.
+ * regclass.c (renumber): Don't initialize to zero.
+ (regno_allocated): Likewise.
+ (reg_n_max): Define.
+ (allocate_reg_info): Don't initialize unnecessarily.
+
+Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
+
+ * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
+ and blockage_p in the newly allocated attribute.
+
+Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (addsi): `inc4' on address
+ registers does not modify cc, but `inc' on an extended
+ register does.
+
+Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
+
+ * reload.c (find_equiv_reg): Checks all valueno regs
+ as a reload_reg_p regs.
+
+2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_objlike_expansion): Add sanity check.
+ (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
+ the buffer is the empty string, return. Mark __DATE__ and
+ __TIME__ as XCONST nodes, not MCONST.
+ (_cpp_macroexpand): Avoid pushing an empty buffer.
+ (funlike_macroexpand): Don't pop token_buffer here.
+
+Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
+ (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
+ (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
+ (REGNO_OK_FOR_BASE_P): Define in terms of them.
+ (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
+ (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
+ (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
+
+Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (simplify_giv_expr): Be more agressive on simplifying
+ constant MULT givs.
+
+2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (struct definition): Move file, line, col members...
+ (struct hashnode): ... here. Also add 'disabled' flag.
+ (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
+ T_IDENTITY. Remove T_DISABLED.
+ Update prototypes.
+
+ * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
+ (collect_expansion): Split into collect_objlike_expansion and
+ collect_funlike_expansion.
+ (_cpp_macroexpand): Split out scan_arguments, stringify, and
+ funlike_macroexpand.
+ (_cpp_compare_defs): Rename compare_defs, make static.
+ (_cpp_make_hashnode): Initialize hp->disabled.
+ (macro_cleanup): Adjust for new token types. Clear
+ m->disabled.
+ (_cpp_create_definition): Move code here to determine what
+ sort of macro it is, and code to check for redefinitions, from
+ do_define. Implement a few simple cases without creating a
+ full DEFINITION.
+ (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
+ Handle the simple cases.
+ (push_macro_expansion): Set buf->has_escapes and hp->disabled
+ here.
+
+ * cppinit.c (builtin_array): Change MCONST to XCONST
+ everywhere.
+ * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
+ fix check for disabled and function-like macros.
+ * cpplib.c (do_define): Move most logic to
+ _cpp_create_definition.
+ (do_undef): Handle new special token types.
+
+Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
+ of CONSTANT_P for mult_val; always use validate_change to update insn.
+
+2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (trad_stringify, add_pat): New functions.
+ (collect_expansion): Restore support for -traditional syntax.
+ Use trad_stringify and add_pat.
+ (_cpp_macroexpand): Restore support for -traditional semantics.
+ * cpplex.c (_cpp_scan_line): Don't change space_before if we
+ get a COMMENT token.
+ (_cpp_lex_token): Provide COMMENT tokens to caller if
+ traditional and parsing_define_directive.
+ (skip_comment): Warn about // comments if -Wtraditional.
+ * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
+ proper node type.
+ (do_undef): Don't warn about undefining EMPTY nodes.
+
+Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Fix biv removal code.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * predict.c (estimate_probability): Examine both sides of
+ a branch for no exits. Use 90% not 50% for predict taken.
+ Reorg for one copy of note generation code.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * diagnostic.c (init_output_buffer): Don't initialize format_args.
+ (output_clear): Likewise.
+ (output_printf): Use va_copy.
+ (vline_wrapper_message_with_location): Likewise.
+ (v_message_with_decl): Likewise.
+ (line_wrapper_printf): VA_START infor buffer.format_args directly.
+ * system.h (va_copy): Provide default implementation.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
+ the collected condition is not a constant.
+
+2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h: New file.
+
+ * Makefile.in (diagnostic.o): Depends on diagnostic.h
+
+ * diagnostic.c: Tweak. Rationalize the output logic. Adjust
+ various function prototypes.
+ (diagnostic.h): #include.
+ (struct output_buffer): Move into diagnostic.h.
+ (get_output_prefix): Rename to output_get_prefix. Export.
+ (init_output_buffer): Export. Break out. Ajust intialization.
+ (output_space_left, output_append): Export.
+ (output_newline): Rename to output_add_newline. Export.
+ (output_clear): Nullify additional output_buffer fields.
+ (output_puts): Rename to output_add_string. Export.
+ (dump_output): Rename to output_flush_on. Export.
+ (build_location_prefix): Constify return-type.
+ (emit_output_prefix): Rename to output_emit_prefix. Export.
+ (set_real_maximum_length): New function.
+ (output_set_maximum_length): Ditto
+ (output_clear): Ditto.
+ (output_add_character): Ditto.
+ (output_add_integer): Ditto.
+ (output_add_space): Ditto.
+ (output_format): Ditto.
+ (output_printf): Adjust buffer initialization.
+ (vline_wrapper_message_with_location): Ditto.
+ (v_message_with_decl): Ditto. Adjust call to output_puts
+ and get_output_prefix.
+ (default_print_error_function): Adjust buffer intialization.
+
+Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
+ of VOID_TYPE.
+
+Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
+ of explicit 0.
+
+Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
+ accurate data about SP moves.
+
+Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
+ aliases to AM33 registers.
+
+Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
+ to all EXTENDED bitmaps.
+
+Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
+ * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
+ * config/mn10300/mn10300.c (mn10300_address_cost): New function.
+
+Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
+ the operand is not constant.
+
+Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
+
+ * reload.c (find_equiv_reg): Checks all valueno and regno regs
+ as a call-clobbered regs.
+
+Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
+ * rtl.h: Likewise.
+ * rtl.def: Update comment.
+ * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
+ * integrate.c (expand_inline_function): Likewise.
+ * profile.c (branch_prob): Likewise.
+ * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
+ * print-rtl.c (print_rtx): Likewise.
+ * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
+ (reemit_notes): Likewise; also use enum insn_note.
+
+ * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
+ (place_field): Properly compute know and actual alignment.
+
+ * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
+ in proper format.
+
+ * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
+ note for REG1.
+
+2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (struct arg, struct arglist): Const-ify strings.
+ (warn_trad_stringify, duplicate_arg_p): New helper functions.
+ (collect_expansion): Rewrite to scan over a token list.
+ Remove -traditional support.
+ (collect_formal_parameters): Rename to collect_params; rewrite
+ to scan over a token list.
+ (_cpp_create_definition): Adjust to scan a token list.
+ (_cpp_macroexpand): Remove -traditional support.
+ (_cpp_compare_defs): Whitespace is now canonicalized.
+ (comp_def_part): Delete function.
+
+ * cpphash.h: Update prototypes.
+ * cpplex.c (init_token_list): Don't set lineno if there is no
+ buffer.
+ (pedantic_whitespace): New function.
+ (_cpp_scan_line): Mark tokens that had hspace before. Don't
+ consume a newline. Use pedantic_whitespace.
+ (_cpp_lex_token): Remove support for -traditional macros.
+ (_cpp_get_define_token): Delete.
+ (_cpp_get_directive_token): Do the real work here. Use
+ pedantic_whitespace.
+ (_cpp_init_input_buffer): Initialize pfile->directbuf.
+
+ * cpplib.c (get_macro_name): Delete.
+ (do_define): Read the entire line into pfile->directbuf, then
+ feed the token list to _cpp_create_definition.
+ * cpplib.h (HSPACE_BEFORE): new define.
+ (struct cpp_reader): Add a toklist member, "directbuf".
+
+ * predict.c (estimate_probability): New heuristic: if a jump
+ branches around a block with no successors, predict it taken.
+ Disentangle control flow.
+
+2000-04-20 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (emit_iv_add_mult): Revert last change.
+
+2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (enum cpp_ttype): Add token types for all
+ punctuators. Distinguish pp-numbers from valid C numbers.
+ Give some tokens better names. Initialize from macro.
+ (struct cpp_name, cpp_token, cpp_toklist): New data
+ structures.
+ Update prototypes.
+ * cpplex.c (bump_column, expand_name_space,
+ expand_token_space, init_token_list, cpp_output_list,
+ _cpp_scan_line): New functions.
+ (output_line_command): Add third argument, new line number.
+ * cpphash.h: Update prototypes.
+ * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
+ token names.
+
+2000-04-20 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
+
+2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
+ object pointed to.
+
+Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (emit_iv_add_mult): Simplify it's input and emit
+ REG_EQUAL note explaining the calculated value.
+
+ * calls.c (expand_call): Avoid unnecesary precalculation
+ and outgoing parameters space guarding for sibling calls.
+ (store_one_arg): Likewise.
+
+Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
+ (rest_of_compilation): Write sibling dump file and account
+ for time as jump time.
+ * invoke.texi: Update documentation on dump flags.
+
+2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
+
+2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (special_symbol): Represent an empty macro with
+ "\r \r " not just "\r ".
+ (_cpp_macroexpand): Correct condition for the foo ( ) special
+ case.
+ (unsafe_chars): Handle EOF as second argument.
+ (push_macro_expansion): Simplify test for removing escape at
+ end. Do not trim both escapes if there is no text in between.
+
+2000-04-19 Jim Blandy <jimb@redhat.com>
+
+ * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
+ of PTR_SIZE, when appropriate.
+
+2000-04-19 Mark Mitchell <mark@codesourcery.com>
+
+ * system.h (ONLY_INT_FIELDS): Make sure it is defined.
+ (USE_ENUM_BITFIELDS): Fix typo.
+
+Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (place_field): Set rli->offset_align properly.
+
+2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
+ INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
+ PARM_BOUNDARY): Remove unnecessary casts.
+
+Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (precompute_arguments): Remove must_preallocate and
+ args_size calls.
+ (expand_call): Update call of precompute_arguments.
+
+ * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
+ check_insn_for_givs): Break out from ...
+ (strength_reduce) ... here; use for_every_insn_in_loop to call
+ check_insn_for_givs.
+ * loop.h (for_every_insn_in_loop): Declare.
+ (loop_insn_callback): New type.
+
+2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_pragma_poison): Strings in the token buffer are
+ not nul-terminated.
+
+Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
+ flag_pic and RELOC.
+
+2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
+
+ * configure.in: Delete --disable-cpplib option and all
+ references to cpp_main.
+ * configure: Regenerate.
+ * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
+ @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
+ cccp.o, cccp, or cppmain. Link cppmain.o straight to
+ cpp$(exeext). Add --no-headers to makeinfo command line when
+ generating INSTALL. Install and uninstall cpp.1 manpage, not
+ cccp.1.
+ * install.texi: Delete all references to cexp.y/cexp.c.
+ Delete ancient instructions for compiling GCC on 3b1.
+ * INSTALL: Regenerate.
+
+ * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
+ mips/t-elf, mips/t-r3900: Remove references to cccp.c.
+ * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
+ cexp.c/cexp.y.
+ * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
+ which is no longer tested anywhere.
+
+ * cppinit.c (handle_option): Don't run error message through
+ gettext twice.
+
+Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
+ * cpperror.c (hashtab.h): Now include.
+ * cppexp.c (hashtab.h): Likewise.
+ * cpplex.c (hashtab.h): Likewise.
+ * cppfiles.c (hashtab.h): Likewise.
+ (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
+ to htab_find_slot_with_hash.
+ * cpphash.c (hashtab.h): Now include.
+ (_cpp_lookup_slot): INSERT is now enum insert_option.
+ * cpphash.h (_cpp_lookup_slot): Likewise.
+ * cppinit.c (hashtab.h): Include earlier.
+ (initialize_builtins): Pass enum to htab_find_slot.
+ * cpplib.c (hashtab.h): Now include.
+ (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
+ (do_pragma_poison, do_assert): Likewise.
+ * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
+ htab_find_slot_with_hash.
+ * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
+ * tree.c (type_hash_add): Likewise.
+ (build1): Minor cleanup.
+
+ * ggc-common.c: Add missing blanks.
+ * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
+ * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
+
+ * stmt.c (mark_case_node): New function.
+ (mark_case_nesting): Call it.
+
+ * expmed.c (emit_store_flag): If comparing two-word integer
+ with zero, can optimize NE, EQ, GE, and LT.
+
+ * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
+ * conflict.c: Minor cleanups.
+ * optabs.c: Add blank line
+ * simplify-rtx.c: Minor cleanups.
+
+2000-04-18 Stan Cox <scox@cygnus.com>
+
+ * gengenrtl.c (genlegend): Fix misspelling.
+
+2000-04-18 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
+ bitfields of the host compiler are not signed quantities.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * system.h (USE_ENUM_BITFIELDS): Added.
+ (ENUM_BITFIELDS): Added.
+ * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
+ (SHORT_ENUM_BUG): Deleted.
+ * tree.h (tree_common): Members `code', `mode', `built_in_class',
+ now ENUM_BITFIELD.
+ * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
+ (CODE_FIELD_BUG): Likewise.
+ * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
+ (OLD_CC): Likewise.
+ * config/m68k/x-ccur (X_CFLAGS): Likewise.
+
+2000-04-18 Mark Mitchell <mark@codesourcery.com>
+
+ * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
+ mark is active.
+
+2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (lex): Don't assume tokens are NUL terminated.
+ * cpplib.c (do_include, do_import, do_include_next,
+ read_line_number, detect_if_not_defined): Likewise.
+ * cpphash.c (collect_expansion): Likewise.
+ (special_symbol, _cpp_macroexpand): Check return from
+ cpp_file_buffer.
+ * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
+ macros. Delete all uses.
+
+ * gcc.dg/cpp-mi.c: Add two more test cases.
+ * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
+ (reorder_basic_blocks): If no epilogue in rtl, force last block last.
+
+2000-04-17 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (expand_function_start): Use hard_function_value to
+ compute the RTL to use for DECL_RESULT.
+
+Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
+ (x86_integer_DFmode_moves, x86_partial_reg_dependency,
+ x86_memory_mismatch_stall): New global variables.
+ (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
+ alloved; fix load penalties for Athlon.
+ * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
+ x86_memory_mismatch_stall): Declare.
+ (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
+ TARGET_MEMORY_MISMATCH_STALL): New.
+ * i386.md (athlon scheduling parameters): Fix latencies according to
+ Athlon Optimization Manual.
+ (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
+ vector.
+ (fsqrt instruction patterns): Set athlon_decode to direct.
+ (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
+ PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
+ (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
+ and TARGET_PARTIAL_REGISTER_STALL machines.
+ (pushdf_nointeger): New pattern.
+ (pushdf_integer): Rename from pushdf.
+ (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
+ (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (canonicalize_condition): Add WANT_REG argument.
+ Stop the search if we match it.
+ * expr.h (canonicalize_condition): Update decl.
+ * predict.c (expected_value_to_br_prob): Use it. Track last
+ expected value note.
+ (find_expected_value): Remove.
+
+ * reorg.c (mostly_true_jump): Always use BR_PROB if present.
+
+2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
+ (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
+ a plain file.
+ * configure.in: Call AC_FUNC_MMAP_FILE.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
+ * fixinc/fixincl.c: Likewise.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_expect): New.
+ (expand_builtin): Call it.
+ * builtins.def (BUILT_IN_EXPECT): New.
+ * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
+ * extend.texi: Document it.
+
+ * predict.c (expected_value_to_br_prob): New.
+ (find_expected_value): New.
+ * basic-block.h (expected_value_to_br_prob): Declare.
+ * toplev.c (rest_of_compilation): Invoke it.
+
+ * rtl.h (NOTE_EXPECTED_VALUE): New.
+ (NOTE_INSN_EXPECTED_VALUE): New.
+ * rtl.c (note_insn_name): Update.
+ * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
+ cases; handle NOTE_INSN_EXPECTED_VALUE.
+
+2000-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
+ leaf sibcall delay slot if flag_pic.
+ (output_sibcall): Always emit call for leaf sibcall if flag_pic.
+
+2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
+
+ * fixproto: If fix-header fails, exit with an error.
+
+Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (struct check_depdendence_data): New.
+ (check_dependence): New function.
+ (invalidate): Use check_depdenence.
+
+2000-04-16 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
+ UNITS_PER_WORD is unsigned.
+
+ * tree.h (struct tree_common): Remove misleading comment.
+
+2000-04-16 Dave Pitts <dpitts@cozx.com>
+
+ * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
+ message in quotes. Otherwise, IBM's make program treats the '#' as the
+ start of a comment and ignores the remainder of the line.
+
+ * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
+ upper case.
+ * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
+ * cexp.y (initialize_random_junk): Likewise.
+ * cppfiles.c (find_include_file): Cast alloca return value.
+ * cppinit.c (initialize_standard_includes): Likewise.
+ * cpplib.c (cpp_define, cpp_undef): Likewise.
+ * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
+ * final.c (output_asm_insn): Allow for holes in EBCDIC.
+ * fold-const.c (CHARMASK): New.
+ (real_hex_to_f): Use it.
+ * real.c (CHARMASK): New.
+ (etoasc, asctoeg): Use it.
+ (asctoeg): EBCDIC lower case characters preceed upper case.
+
+ * i370.c (mvs_add_label): Change spacing for coding conventions.
+ * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
+ outputing case vectors.
+ (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
+ (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
+ since vector in in the data CSECT.
+ (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
+ * i370.md (Many patterns): Put the length in the XL directives.
+ (movdi): Put back STM and MVC in definition.
+ (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
+ pattern using the TCA.
+ * oe.h (CPP_SPEC): Added to allow trigraphs.
+ * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
+ not support the "long long" type.
+
+2000-04-16 Mark Mitchell <mark@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_legitimate_address_p): New
+ function.
+ (mips_reg_mode_ok_for_base_p): Likewise.
+ * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
+ (REG_OK_FOR_INDEX_P): Define unconditionally.
+ (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
+ (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
+ * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
+ that GET_MODE_SIZE is unsigned.
+ (mips_reg_mode_ok_for_base_p): Define.
+ (mips_legitimate_address_p): Likewise. Adjust now
+ that GET_MODE_SIZE is unsigned.
+ (block_move_loop): Make the number of bytes unsigned.
+ (expand_block_move): Likewise.
+ (function_arg): Make the loop counter unsigned to match the
+ boundary condition.
+
+2000-04-16 Richard Henderson <rth@cygnus.com>
+
+ * rtl.h (enum insn_note): New enumeration. Subsume
+ NOTE_INSN_DELETED and friends.
+ (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
+ * rtl.c (note_insn_name): Tweak string order.
+
+2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
+ to offset * 2.
+
+ * cpplex.c (output_line_command): Remove debugging prints.
+ (cpp_output_tokens): Don't write out a zero-length buffer or
+ try to see if it has a newline in it.
+ (_cpp_expand_to_buffer): Copy the source buffer before pushing.
+ (_cpp_read_and_prescan): Move shift-down of pushback bytes to
+ the end of the loop. Use memmove. Don't read past the end of
+ the buffer. Remove trailing newlines from error messages.
+
+2004-04-16 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
+ * cpplib.c: Add new syntax flags to directive table, and
+ supporting macros.
+
+2000-04-15 Ulrich Drepper <drepper@redhat.com>
+
+ * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
+ using ret $N.
+
+2000-04-15 David Edelsohn <edelsohn@gnu.org>
+
+ * toplev.c (display_help): Prefix "f" to "sched-verbose=".
+ * haifa-sched.c: Update -fsched-verbose comments to use "=".
+
+Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (ggc-page.o): Now includes toplev.h.
+ * ggc-page.c (toplev.h): Now included.
+ (gc_time): Remove declaration.
+ (ggc_collect): TIME now long.
+ * toplev.c (parse_time, varasm_time, gc_time): Still global; all
+ others static.
+ * toplev.h (gc_time, parse_time, gc_time): New declarations.
+
+ * toplev.c: Make *_time variable long to reduce chance of overflow.
+ (TIMEVAR): Likewise for `otime'.
+ (print_time): Arg is now long; compute percentage in FP and round.
+ * toplev.h (print_time): Arg is long.
+
+ * tree.c: Minor whitespace changes.
+
+ * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
+ * configure: Rebuilt.
+ * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
+ (__fixunsxfDI): Renamed from __fixunsxfdi.
+ (__fixunsdfDI): Renamed from __fixunsdfdi.
+ (__fixunssfDI): Renamed from __fixunssfdi.
+ (__floatdisf): Use proper type in REP_BIT macro.
+ (__fixunsxfSI): Renamed from __fixunsxfsi.
+ (__fixunsdfSI): Renamed from __fixunsdfsi.
+ (__fixunssfSI): Renamed from __fixunssfsi.
+ * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
+ Change location of macros and upper-case some names as above.
+ * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
+ * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
+
+ * varasm.c (assemble_variable): Add cast to remove warning.
+ (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
+
+ * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
+ * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
+ region number to -1.
+
+2000-04-15 Richard Earnshaw (rearnsah@arm.com)
+
+ * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
+ call unshare_all_rtl.
+
+ * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
+
+Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
+ Use .s1 not .s0 for all FP instructions.
+
+2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
+ interfaces.
+ (safe_fwrite, output_line_command): New static functions.
+ (cpp_expand_to_buffer): Now private to cpplib.
+ (cpp_scan_buffer): Take a printer.
+
+ * cpphash.h: Update prototypes.
+ * cpplib.h: Update prototypes.
+ (cpp_printer): New.
+ (cpp_buffer): Remove last_nominal_fname.
+ (cpp_reader): Remove lineno.
+
+ * cppmain.c: Use a cpp_printer.
+ * fix-header.c: No need to inhibit line commands. Call
+ cpp_start_read with no printer.
+
+ * cpperror.c (cpp_notice_from_errno): Provide default name.
+ * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
+ (find_include_file, cpp_read_file): Use make_IHASH.
+ (file_cleanup): Set control_macro and clear
+ input_stack_listing_current here.
+ (_cpp_execute_include): Don't output entering-file marker.
+ * cpphash.c (special_symbol): Look for the line number in the
+ buffer, not the reader.
+ (_cpp_macroexpand): No need to disable line commands.
+ (_cpp_dump_definition): No need to generate line commands.
+ (dump_hash_helper): Remove excess newline from output.
+ * cppinit.c (dump_special_to_buffer): No need to generate line
+ commands.
+ (cpp_printer_init): New.
+ (cpp_start_read): Take a printer, and start it up if it's not
+ NULL. No need to generate line commands.
+ (cpp_finish): Expect no buffers stacked at all. Take a
+ printer argument, and flush the output buffer if it's not
+ NULL.
+ * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
+ Don't put two hashes at the beginning of an assertion.
+ (cpp_get_token): Don't increment pfile->lineno or emit line
+ commands here. Return EOF if there's no buffer when we get
+ EOF.
+ * cpplib.c (do_define, skip_if_group):
+ No need to disable line commands.
+ (_cpp_output_line_command): Delete function.
+ (do_line): Don't emit line commands here, but set things up so
+ they will be emitted if necessary. Use _cpp_fake_ihash to
+ make unique nominal_fnames if necessary.
+ (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
+ with 0 for column, not -1.
+ (_cpp_handle_eof): Don't set the control macro here. Don't
+ clear input_stack_listing_current here. Don't emit line
+ commands.
+
+2000-04-14 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
+ always, use the default SVR4 start address.
+
+ * config/rs6000/linux.h (LINK_SPEC): Don't define.
+ (LINK_SHLIB_SPEC): Define.
+ (LINK_START_DEFAULT_SPEC): Define.
+ (LINK_OS_DEFAULT_SPEC): Define.
+
+ * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
+
+ * config/rs6000/eabi.asm (__eabi): Call __init rather than
+ __do_global_ctors to handle constructors.
+ * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
+ (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
+ (STARTFILE_MVME_SPEC): Likewise.
+ (STARTFILE_SIM_SPEC): Likewise.
+ (ENDFILE_ADS_SPEC): Use crtend.
+ (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
+ (ENDFILE_MVME_SPEC): Likewise.
+ (ENDFILE_SIM_SPEC): Likewise.
+ (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
+ (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
+ (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
+ (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
+ * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
+ (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
+ (CRTSTUFF_T_CFLAGS_S): Define.
+ * config/rs6000/eabi-ctors.c: Delete.
+
+ * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
+ boundary.
+ (__fini): Likewise.
+ * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
+ boundary.
+ (__fini): Likewise.
+
+Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
+
+ * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
+ plus mask size is smaller or equal to the mode size.
+
+Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
+ not yet set.
+
+ * expr.c (reload.h): Now included.
+ (emit_block_move): Set volatile_ok when checking for movstr.
+ (emit_move_1): Check for replacements in addresses in multi-word case.
+ * Makefile.in (expr.o): Now includes reload.h.
+
+ * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
+ Never have a LIBCALL end a basic block.
+ (find_basic_blocks_1): Likewise.
+ Reorganize CALL_INSN cases.
+
+ * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
+
+Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
+ completers from mov.ret instruction.
+
+2000-04-14 Richard Henderson <rth@cygnus.com>
+
+ * fold-const.c (extract_muldiv): Don't distribute and widen
+ multiply across plus for non-sizetype unsigned types.
+
+2000-04-14 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_auto_inc): Don't autoinc eliminable registers.
+ If the original source is dead in the incr insn, it's dead now.
+
+Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
+ see if DECL_BIT_FIELD needs to still be set.
+
+ * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
+
+ * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
+ print_int_cst_octal with something that's not an INTEGER_CST.
+
+ * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
+ and not a SUBREG to a FLOAT rtl.
+
+Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * emit-rtl.c (try_split): Avoid infinite loop if the split
+ results in a sequence that contains the original insn.
+
+2000-04-13 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/mips.c (expand_block_move): Pass alignment
+ argument to move_by_pieces in bits, not bytes.
+
+ * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
+ __pic__ for little endian.
+
+2000-04-13 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/i386-protos.h: Add prototype for
+ uno_comparison_operator.
+
+Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
+ * calls.c (ECF_PURE): New flag.
+ (emit_call_1): Handle ECF_PURE calls.
+ (initialize_argument_information): Unset ECF_PURE flag too.
+ (precompute_arguments): Precompute for ECF_PURE too.
+ (expand_call): Handle ECF_PURE calls too.
+ (emit_library_call_value_1): Rename no_queue argument to fn_type,
+ accept value of 2 as pure function.
+ (emit_library_call_value, emit_library_call): Rename no_queue argument
+ to fn_type.
+ * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
+
+ * tree.h (DECL_IS_PURE): New macro.
+ (struct tree_decl): Add pure_flag.
+ * c-common.c (enum attrs): Add attribute "pure".
+ (init_attributes): Initialize attribute "pure"
+ (decl_attributes): Handle attribute "pure".
+ * extend.texi (Attribute "pure"): Document.
+ * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
+ in pure function.
+ (flags_from_decl_or_type): Support attribute "pure".
+
+2000-04-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
+ the token except for numbers and identifiers.
+
+Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.c (ix86_expand_binary_operator,
+ ix86_expand_unary_operator): Check no_new_pseudos
+ instead of reload_in_progress and reload_completed.
+ (ix86_split_ashldi, ix86_split_ashrdi,
+ ix86_split_lshrdi): Check no_new_pseudos instead
+ of reload_completed.
+
+2000-04-12 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (purge_addressof): Unshare any shared rtl created by
+ purge_addressof and its children.
+
+2000-04-12 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (aggregate_value_p): VOID_TYPE nodes are never
+ aggregates.
+
+2000-04-05 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
+ not compiling PIC code, add flags for mabi=64.
+ (SUBTARGET_CPP_SIZE_SPEC): New.
+ (SUBTARGET_CPP_SPEC): New.
+ (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
+ for MIPS/Linux and lots of code needs these defines.
+
+Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * reorg.c (fill_slots_from_thread): Check side_effects_p when
+ trying the "opposite arithmetic" approach.
+
+Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
+ (struct sh_args): Add new field force_mem.
+ (INIT_CUMULATIVE_ARGS): Initialize it.
+ (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
+
+Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Do not reverse args in "equal from" field.
+ (emit_library_call_value_1): Emit_libcall_block for const and pure
+ function.
+
+Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine): Don't enable optimization for fixed
+ registers when encountering a BARRIER.
+
+Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_memcmp): Do expansion even with
+ !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
+
+ * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
+ stack is propertly aligned; add sanity checking for aligned
+ stack pointer.
+ (expand_library_call_value_1): Add sanity checking for aligned
+ stack pointer.
+
+Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
+
+ * calls.c (emit_library_call_value_1): Change 3rd arg to
+ locate_and_pad_parm to disregard the setting of partial.
+
+Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
+
+ * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
+ CALL_INSN from the normal case.
+
+Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+ New global variables.
+ (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
+ adjustment.
+ * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+ Declare,
+ (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
+ TARGET_ADD_ESP_8): New macros.
+ * i386.md: Add peep2s to convert esp adjustments to push and pop
+ instructions.
+ (pushsi_prologue, popsi_epilogue): New patterns.
+
+2000-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ * real.c (toe64): Remove stale #endif from the last change.
+
+2000-04-12 Stephen L Moshier <moshier@mediaone.net>
+
+ * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
+ * real.c (toe64): Revert previous change.
+
+2000-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ * objc/objc-act.c: Include ggc.h.
+ (objc_tree_index, objc_global_trees): Convert most of the
+ static tree variables into a static array with previous names
+ as defines.
+ (objc_ellipsis_node): New variable.
+ (lang_init): Call objc_act_parse_init and c_parse_init.
+ Create objc_ellipsis_node.
+ (build_selector_translation_table): Use objc_ellipsis_node instead
+ of (tree)1.
+ (hack_method_prototype): Likewise.
+ (get_arg_type_list): Likewise.
+ (start_method_def): Likewise.
+ (continue_method_def): Likewise.
+ (gen_method_decl): Likewise.
+ (ggc_mark_imp_list): New function.
+ (ggc_mark_hash_table): New function.
+ (objc_act_parse_init): New function.
+ * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
+ * c-parse.in (c_parse_init): For objc add roots of objc specific
+ local tree variables.
+ * objc/objc-parse.y: Rebuilt.
+ * objc/objc-parse.c: Rebuilt.
+ (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
+
+Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
+
+ * cse.c (delete_trivially_dead_insns): Also delete insns
+ that copy a register to itself where the destination is
+ a strict_low_part.
+
+2000-04-11 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct propagate_block_info): Add new_dead, new_live.
+ (propagate_block): Initialize them. Use them in parallel instead
+ of one tmp variable, ie revert much of the 0408 and 0407 functional
+ changes, but keep the structural changes.
+ (mark_set_regs): Take new_dead from propagate_block_info instead.
+ (mark_set_1, mark_set_reg): Likewise.
+ (mark_used_regs): Likewise with new_live.
+ (mark_used_reg): Likewise. Revert 0408 change.
+
+2000-04-11 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
+ restriction.
+ (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
+
+2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
+ const section to output a CONSTRUCTOR based on the same conditions
+ used for VAR_DECLs.
+
+Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
+ * pa/pa-protos.h (output_call): Add additional argument indicating
+ if the call is a sibling/tail call.
+ (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
+ (compute_64bit_ior, cmpib_comparison_operator): Likewise.
+ (function_arg, function_arg_partial_nregs): Likewise
+ * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
+ (emit_move_sequence): Zero extend certain constants as needed
+ for TARGET_64BIT.
+ (compute_zdepdi_operands, output_64bit_and): New functions.
+ (output_64bit_ior, function_arg): Likewise.
+ (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
+ (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
+ (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
+ (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
+ (output_bvb): Likewise.
+ (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
+ (output_call): New argument 'sibcall'. Generate sibcall sequences
+ as needed.
+ (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
+ (ouput_arg_descriptor): Do not emit argument descriptors for
+ TARGET_64BIT.
+ * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
+ defined.
+ (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
+ (FUNCTION_OK_FOR_SIBALL): Define.
+ (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
+ (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
+ (CPP_SPEC): Use new spec infrastructure.
+ (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
+ (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
+ (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
+ (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
+ (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
+ (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
+ (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
+ (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
+ (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
+ (FUNCTION_ARG); Call out to C code.
+ (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
+ (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
+ (MIN_UNITS_PER_WORD): Likewise.
+ * pa/pa.md (cmpdi): New expander.
+ (scc patterns, movstrsi): Not available for TARGET_64BIT.
+ (64bit conditional arithmetic): New patterns.
+ (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
+ (movsicc): Not available if modes on all the operands to not match.
+ (movdicc): New expander and associated patterns.
+ (64bit branches): New patterns.
+ (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
+ (pre_ldd, post_std): New patterns.
+ (64bit addil, load low part): New patterns.
+ (special movsf constant): Not available for TARGET_64BIT.
+ (movsf, movdf expanders): Force constants into memory.
+ (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
+ (64bit movdf/movdi patterns): New patterns.
+ (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
+ for TARGET_64BIT.
+ (extendqidi2, extendhidi2, extendsidi2): Similarly.
+ (adddi3 expander): Allow "arith_operand" for second input.
+ (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
+ (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
+ (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
+ (muldi3): New expander for TARGET_64BIT.
+ (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
+ for TARGET_64BIT.
+ (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
+ patterns for TARGET_64BIT.
+ (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
+ patterns for TARGET_64BIT.
+ (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
+ (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
+ (sibcall_epilogue): New expander.
+ (casesi): Tweak for TARGET_64BIT.
+ (call expanders): Set & use the outgoing argument pointer. Use the
+ 64bit call patterns as needed. Add additional arg to output_call.
+ (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
+ (sibcall, sibcall_internal_symref): New expanders.
+ (sibcall_value, sibcall_value_internal_symref
+ (interspace_jump): Turn into an expander + matching patterns.
+ (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
+ * pa/pa64-regs.h: Eliminate trigraph sequences.
+ * pa/pa64-start.h (TARGET_PA_20): Fix typo.
+
+2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
+ cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
+ cpp_token with cpp_ttype everywhere.
+ * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
+ Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
+ CPP_BUF_COL. Line and column numbers are unsigned int, not
+ long.
+ * cpplex.c (cpp_buf_line_and_col): Delete.
+ * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
+ 'long lineno' to 'unsigned int lineno'.
+ (CPP_BUF_LINE, CPP_BUF_COL): New macros.
+
+2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * extend.texi: ISO C99 is not a draft anymore.
+ * invoke.texi: ISO C++ is not a draft anymore.
+ * cpp.texi: __cplusplus is required by the ISO standard.
+
+ * extend.texi (-fthis-is-variable): Undocument.
+ * flags.h (warn_template_debugging): Remove declaration.
+ * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
+ -Wenum-clash, -Wtemplate-debugging): Undocument.
+
+2000-04-10 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
+ integer.
+ (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
+ integer.
+ (ARM_SIGN_EXTEND): Use HOST_UINT.
+ (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
+ (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
+ (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
+ (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
+
+ * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
+ (arm_gen_constant): Use HOST_UINT.
+ (arm_canonicalize_constant): Use HOST_UINT.
+ (arm_reload_in_hi): Use HOST_UINT.
+ (arm_reload_out_hi): Use HOST_UINT.
+ (output_multi_immediate): Use HOST_UINT.
+ (int_log2): Use HOST_UINT.
+ (arm_poke_function_name): Use HOST_UINT.
+ (arm_output_epilogue): Use arm_volatile_func().
+ (output_thumb_prologue): Use arm_strip_name_encoding().
+
+Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
+ of sequence point problems.
+
+2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
+
+ * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
+ Recomment.
+ * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
+
+Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sbitmap.h: Whitespace changes and use upper-case macro args.
+ (struct simple_bitmap_def): All sizes now unsigned.
+ (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
+ * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
+ (sbitmap_vector_alloc): Parms and local vars now unsigned.
+ (sbitmap_zero): Cast bzero arg to PTR.
+ (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
+ (sbitmap_union_of_diffs): Change loop index to unsigned and rework
+ loop to make structure clearer.
+ (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
+ (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
+ (sbitmap_a_and_b_or_c): Likewise.
+ (sbitmap_intersection_of_succs): Minor cleanups.
+ (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
+ (sbitmap_union_of_preds): Likewise.
+ (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
+ (debug_sbitmap): New function.
+
+ * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
+ * c-typeck.c (convert_for_assignment): Likewise.
+
+ * expmed.c (init_expmed): Don't free objects we make.
+ * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
+
+ * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
+ (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
+
+ * gcse.c (expr_hash_table_size): Now unsigned.
+ (compute_ae_gen): Local variable `i' now unsigned.
+ (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
+ (compute_transout, hoist_code): Likewise.
+ (compute_local_properties): Likewise, also hash_table_size.
+ (alloc_expr_hash_table): N_INSNS now unsigned.
+ (delete_null_pointer_checks): Mark arg F as unused.
+
+ * regrename.c: Minor cleanups, including chang some variables
+ to unsigned int.
+
+2000-04-10 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (skip_block_comment): Use pointer arithmetic rather
+ than GETC ().
+ * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
+
+2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
+ __classof__, and __headof__ from the list of gnu keywords.
+ (-ansi): Remove -foperator-names from list of implied options.
+ Do not call it ANSI C++.
+ (-foperator-names): Document as -fno-operator-names.
+
+2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (timestamp): Delete.
+ (del_HASHNODE): If type is T_MCONST, free value.cpval.
+ (special_symbol): Remove unnecessary braces. Remove
+ T_VERSION. Treat T_STDC like T_CONST unless
+ STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
+ when one is encountered, then convert them into T_MCONST
+ nodes.
+ * cppinit.c (builtin_array): version_string is T_MCONST.
+ __STDC__ has a "1" in its cpval. Don't have a terminator
+ entry. Clean up which entries are dumped.
+ (initialize_builtins): Only __STDC__ gets the special
+ -traditional treatment. Count the length of builtin_array.
+ Render version_string here.
+ * cpphash.h: Remove T_VERSION. Add T_MCONST.
+ * cpplib.h (struct cpp_reader): Remove timebuf.
+
+2000-04-09 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (pred): Update comparison_operator for the unordered
+ operators.
+
+ * config/i386/i386.c (no_comparison_operator): Disallow unordered
+ operators.
+ (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
+ (uno_comparison_operator): New.
+ (put_condition_code): Handle UNORDERED/ORDERED.
+ (unsigned_comparison): Likewise.
+ (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
+ (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
+ (ix86_expand_fp_compare): Use them. Take scratch as argument,
+ update all callers. Handle all 8 unordered operators.
+ (ix86_expand_setcc): Lose the unordered argument, update all callers.
+ (ix86_expand_branch): Likewise. Don't fully expand fp branches.
+ * config/i386/i386.h (PREDICATE_CODES): Update.
+ * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
+ (ix86_expand_branch, ix86_expand_setcc): Update.
+ * config/i386/i386.md (sunordered, sordered): New.
+ (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
+ (bunordered, bordered): New.
+ (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
+ (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
+ (*fp_jcc_5, *fp_jcc_6, and splitters): New.
+
+2000-04-09 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
+
+Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.md (fix_truncsfhi2, fix_truncdfhi2,
+ fix_truncxfhi2): New patterns.
+ * i386.c (output_fix_trunc): Handle converting to HImode.
+
+2000-04-08 Alex Samuel <samuel@codesourcery.com>
+
+ * ssa.c (convert_to_ssa): Eliminate dead code when calling
+ life_analysis.
+ (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
+ (for_each_successor_phi): Change parameter to basic_block.
+ (coalesce_regs_in_successor_phi_nodes): Likewise.
+ (coalesce_regs_in_copies): Likewise.
+ (compute_coalesced_reg_partition): Use basic_block instead of index.
+ * rtl.h (convert_to_ssa): Delete.
+ (convert_from_ssa): Likewise.
+ (successor_phi_fn): Likewise.
+ (for_each_successor_phi): Likewise.
+ (in_ssa_form): Likewise.
+ * basic-block.h (convert_to_ssa): Moved from rtl.h.
+ (convert_from_ssa): Likewise.
+ (successor_phi_fn): Likewise.
+ (in_ssa_form): Likewise.
+ (for_each_successor_phi): Likewise. Change parameter to basic_block.
+ * flow.c (calculate_global_regs_live): Pass a basic_block to
+ for_each_successor_phi.
+
+2000-04-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_used_reg): Use reg_set_p to determine if a register
+ was modified in the current insn.
+
+2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm/thumb.md: Delete.
+ * arm/thumb-protos.h: Delete.
+
+2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ Merge changes from merged-arm-thumb-backend-branch onto trunk.
+
+ 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
+ into branch.
+
+ * arm.md (nop): Use the standard RTL expression. Don't code as a
+ define_expand.
+ (*arm_nop, *thumb_nop): Delete.
+
+ * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
+ constants. Use casts instead.
+ (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
+ output_multi_immediate, arm_poke_function_name): Likewise.
+ * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
+ MASK_RETURN_ADDDR): Likewise.
+
+ 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
+ into branch.
+
+ * arm.md (eh_epilogue): New function.
+ * arm.h (struct machine_function): Move to here ...
+ * arm.c: ... from here.
+ (arm_output_epilogue): Support epilogues for __builtin_eh_return.
+ (thumb_exit): Extra parameter eh_ofs. All callers changed.
+ Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
+
+ 2000-03-30 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/semi.h (ASM_SPEC): Restore definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+ * config/arm/elf.h (ASM_SPEC): Restore definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+ * config/arm/arm.h (ASM_SPEC): Remove definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
+
+ 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.c: Disable -fschedule-insns for Thumb.
+
+ 2000-03-24 Nick Clifton <nickc@cygnus.com>
+
+ Various formating tidyups, elimination of compile time
+ warnings and synchronisation with internal sources:
+
+ * config/arm/arm-protos.h (assemble_align): Add prototype.
+ (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+ (gen_comapre_reg): Rename to arm_gen_compare_reg.
+ (arm_return_addr_rtx): Rename to arm_return_addr.
+
+ * config/arm/arm.c: Include except.h.
+ Define shorter typenames for strict minipool_node and struct
+ minipool_fix.
+ (arm_return_in_memory): For WinCE return all structures <= 32 bits
+ in memory.
+ (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+ (gen_comapre_reg): Rename to arm_gen_compare_reg.
+
+ * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+ already defined.
+ (ASM_SPEC): Define if not already defined.
+ (ASM_OUTPUT_DEF_FROM_DECLS): Define.
+
+ * config/arm/arm.md: Rename references to gen_rotated_half_load to
+ arm_gen_rotated_half_load, and references to gen_comapre_reg to
+ arm_gen_compare_reg.
+ (indirect_jump): Only accept register operands.
+ (load_indirect_jump): Keep this pattern since combine can generate
+ it.
+
+ * config/arm/coff.h: Include aout.h.
+ (MULTILIB_DEFAULTS): Only define if not already defined.
+
+ * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
+ into arm.h (so that COFF ports can support thumb based aliases).
+ (ASM_SPEC): Move definition into arm.h
+
+ * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
+ redundant apcs spec.
+ (ASM_SPEC): Move definition to arm.h
+
+ * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
+
+ * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
+ for entries in the .bss section
+
+ 2000-03-23 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
+ to thumb_far_jump_used_p.
+
+ * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
+ single integer parameter.
+
+ * config/arm/arm.c (struct machine_function): Add two new
+ fields, 'far_jump_used' and 'arg_pointer_live'.
+ (thumb_far_jump_used_p): Once the decision has been made that
+ far jumps might be used, always return true.
+ If being called from the initial elimination offset macro then
+ do not bother to perform the test if the arg pointer is not
+ being used.
+ (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
+ (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
+
+ 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.c (output_return_instruction): Handle more cases where we can
+ return from a function with an ldr instruction.
+ (arm_output_epilogue): Likewise.
+
+ * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
+ if we need to push a large stack frame and there are no callee-saved
+ registers.
+
+ * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
+ in ARM code if the frame pointer has been eliminated.
+
+ * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
+ unspec_volatile arguments to avoid duplicates.
+ (consttable_1, consttable_2): Fixes for big-endian mode.
+
+ * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
+ as appropriate.
+
+ Re-write constant pool code.
+ * arm.c (minipool_node, minipool_fix): New types.
+ (minifix): Delete type.
+ (arm_add_minipool_constant): Delete.
+ (arm_compute_minipool_offsets, arm_find_barrier,
+ arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
+ (get_jump_table_size): Now returns HOST_WIDE_INT.
+ (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
+ functions.
+ (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
+ (assign_minipool_offsets, arm_print_value): Likewise.
+ (dump_minipool): Rewrite.
+ (arm_barrier_cost): New function.
+ (create_fix_barrier): New function.
+ (push_minipool_barrier): New function.
+ (push_minipool_fix): Record additional information about the fixup
+ required.
+ (note_invalid_constants): Remove push for (UNSPEC 3). Don't
+ check the mode of what needs fixing.
+ (arm_reorg): Rewrite.
+
+ 2000-03-08 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md (indirect_jump): Force constant addresses into
+ a register.
+
+ 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
+
+ 2000-02-24 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
+ adjust is word aligned.
+ (thumb_expand_epilogue): Make sure that stack adjust is word
+ aligned.
+
+ * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
+
+ 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
+
+ * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
+ pointer relative addresses.
+
+ 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (find_barrier): Find the last barrier within the allowed
+ range.
+
+ 2000-02-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm-protos.h: Replace PROTO with PARAMS.
+
+ 2000-02-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
+ ARM_FUNCTION_PROFILER.
+
+ * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
+ ARM_FUNCTION_PROFILER.
+
+ * config/arm/linux-oldld.h: Imported from mainline sources.
+
+ 2000-02-07 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/lib1funcs.asm: Merge in thumb functions from
+ lib1thumb.asm.
+
+ * config/arm/lib1thumb.asm: Delete.
+
+ 2000-02-04 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Sychronised with current Red hat local
+ sources.
+ * config/arm/arm.h: Ditto.
+ * config/arm/arm-protos.h: Ditto.
+
+ 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
+
+ * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
+ byte stores.
+
+ 2000-02-02 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
+
+ * config/arm/arm.md (epilogue): Fix rtl checking abort because
+ (return) was emited using an emit_insn() call.
+
+ 2000-01-31 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (output_thumb_prologue): Fix bug generating
+ thumb stack frame.
+ (thumb_exit): Move frame pointer back into hard frame pointer
+ register if backtracing is being used.
+
+ 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
+ into branch.
+
+ 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.md (neg_pool_offset): Provide default for new
+ attribute.
+ (arm_movsi_insn): Add neg_pool_offset attribute.
+ * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
+ rtx for the insn that starts the scan and an unsigned long for its
+ address. Add MIN_OFFSET and PINSERTED args. All callers changed.
+ Change scan to ignore insns before MIN_OFFSET. Store size of inserted
+ instructions in *PINSERTED.
+ (struct minipool_fixup): Add MIN_ADDRESS elt.
+ (sort_fixups): Compute it.
+ (arm_reorg): Changes to support inserting pools before the insn to be
+ fixed up.
+
+ 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
+ * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
+ * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
+
+ Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/semi.h (TARGET_VERSION): Do not define if already
+ defined.
+ (TARGET_DEFAULT): Do not define if already defined.
+
+ Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md (anddi3): Allow disjoint source operands.
+ (iordi3): Allow disjoint source operands.
+ (xordi3): Allow disjoint source operands.
+ (negdi2): Permit construction for ARM and Thumb.
+ (arm_negdi2): Renamed version of old negdi2 pattern.
+ (thumb_negdi2): New pattern: Only permit non-overlapping
+ source and destination.
+
+ Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
+ scratch low register so that it will not be deleted.
+
+ Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/pe.h (ARM_PE): Define.
+
+ * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
+ interfacearm attribute if this is a PE toolchain.
+ (output_return_instruction): Do not emit anything if the function
+ has the naked attribute set.
+ (is_called_in_ARM_mode): If the function has the interfacearm
+ attribute then return true.
+ (thumb_expand_prologue): Do not generate a prologue for naked
+ functions.
+ (thumb_expand_epilogue): Do not generate an epilogie for a naked
+ function.
+ (output_thumb_prologue): Do not bother if the function is naked.
+ Strip PE encoding from function name before emitting.
+
+ Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (pic_load_addr): Fix constraints.
+
+ * arm.md (casesi_insn): Fix mis-applied patch.
+
+ * arm.md ("core" function unit): Add rules for single- and
+ multi-cycle insns.
+ (All TARGET_THUMB patterns): Add "type" attribute information
+ where needed.
+ * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
+ the following insn is a CALL.
+
+ * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
+ pointer.
+ * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
+ ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
+ (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
+
+ Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/linux-gas.h: oops - this file was missed out when the
+ branch was created...
+
+ Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * thumb.c: Deleted. Move contents to ...
+ * arm.c: ... here.
+ * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
+ rule for thumb.o
+ * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
+ * configure: Regen.
+
+ * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
+ declare a prototype for asm_output_align();
+
+ * arm.c (thumb_condition_code): Delete.
+ (arm_print_operand): Always use arm_condition_code array.
+
+ * arm.c (thumb_return_addr_rtx): Delete.
+ (arm_save_machine_status, arm_restore_machine_status): Delete.
+ (arm_init_machine_status, arm_mark_machine_status): New functions.
+ (arm_init_expanders): Update accordingly.
+ (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
+ (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
+ * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
+
+ Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in : Fix arm-*-aout target to use new t-arm-aout
+ script.
+ * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
+ targets.
+
+ Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
+ stack backtrace structure.
+
+ * config/arm/arm-protos.h: Add prototypes for functions defined in
+ arm/pe.h.
+
+ * config/arm/arm.c (arm_override_options): Fix selection of
+ attributes of default processor.
+
+ * config/arm/coff.h: Delete needless #include.
+
+ * config/arm/pe.c: Delete unused code.
+
+ * config/arm/pe.h (CPP_DEFINES): Delete
+ (SUBTARGET_CPP_SPEC): Define.
+ (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
+
+ * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
+
+ Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
+ updated.
+ (CAN_DEBUG_WITHOUT_FP): Define.
+ (FIXED_REGISTERS): Make r11 call-saved.
+ (CALL_USED_REGISTERS): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
+ (FRAME_POINTER_REQUIRED): Correct logic for determining when a
+ frame-pointer is required.
+ (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
+ * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
+ if the target normally needs a stack frame in non-leaf functions.
+ (use_return_insn): Correct logic for determining when a return
+ instruction can be used.
+ (output_return_instruction): Handle the frame-pointer register as
+ a normal register when not TARGET_APCS_FRAME.
+ (arm_output_prologue): Likewise.
+ (arm_output_epilogue): Likewise.
+ (output_func_epilogue): Likewise.
+ (arm_expand_prologue): Likewise.
+ * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
+
+ * arm.c (use_return_insn): No need to check floating point regs if
+ TARGET_SOFT_FLOAT.
+ (arm_find_minipool_constant): Correct typo; use GET_CODE to get
+ the code of value stored in the minipool array.
+ (arm_add_minipool_constant): Likewise.
+
+2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * basic-block.h (conflict_graph_enum_fn): K&R fix.
+
+2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.c (tree_expr_nonnegative_p): New function.
+
+ * tree.h (tree_expr_nonnegative_p): Declare.
+
+ * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
+ elide some sign_compare warnings.
+ (build_conditional_expr): Likewise.
+
+Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
+
+ * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
+ * i386.c (print_operand): Use the proper suffix for a 387 HImode
+ operand. Abort if a 387 operand has an unsupported size.
+
+2000-04-08 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (parse_charconst): Null does not end character
+ constants.
+ * cppinit.c (ISTABLE): Null character handled as whitespace.
+ * cpplex.c (null_warning): new function.
+ (skip_string): Emit warning if nulls encountered.
+ (_cpp_skip_hspace): Emit warning if nulls encountered.
+ (_cpp_lex_token): Emit warning if nulls encountered. Drop
+ them.
+ * cpp.texi: Update.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (loop_depth): Remove.
+ (reg_next_use, cc0_live, mem_set_list): Replace with ...
+ (struct propagate_block_info): New.
+ (life_analysis): Don't allocate reg_next_use.
+ (propagate_block_delete_insn): Break out of propagate_block.
+ Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
+ (propagate_block_delete_libcall): Likewise.
+ (propagate_block): Create a propagate_block_info struct to pass
+ to subroutines. Allocate one not two temporary regsets. Don't
+ clobber memory for const calls. Look for clobbers in
+ CALL_INSN_FUNCTION_USAGE.
+ (mark_set_regs): Recognize COND_EXEC.
+ (mark_set_reg): Break out of mark_set_1.
+ (mark_used_reg): Break out of mark_used_regs.
+ (mark_used_regs): Recognize COND_EXEC.
+ (insn_dead_p): Use propagate_block_info struct.
+ (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
+ (find_auto_inc, try_pre_increment_1): Likewise.
+ (print_rtl_with_bb): Dump regs live at end too.
+ (count_reg_sets_1): Pass in loop_depth.
+ (count_reg_sets, count_reg_references): Likewise.
+ (recompute_reg_usage): Provide it.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
+ not the raw files.
+
+2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_elif): Skip the rest of the line if we're
+ not going to bother evaluating it.
+ (skip_if_group): Clear pfile->only_seen_white. Reorder loop
+ to avoid pointless calls to the lexer.
+
+Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
+
+2000-04-07 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (expand_call): emit_queue if we're trying a sibcall.
+
+2000-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
+
+2000-04-06 Geoff Keating <geoffk@cygnus.com>
+
+ * Makefile.in: Build crtbeginS and crtendS like crtbegin and
+ crtend so they can be multilibbed.
+ (STAGESTUFF): Remove s-crt and s-crtS.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
+ if we discover we need a pseudo and no_new_pseudos is true.
+ * config/alpha/alpha.md (ne:DI insn): New.
+ (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def (COND_EXEC): New.
+ * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
+ * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
+
+ * genconfig.c (have_cond_arith_flag): Remove.
+ (have_cond_exec_flag): New.
+ (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
+ (main): Print HAVE_conditional_execution.
+
+ * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
+ (sched_analyze_insn, print_pattern): Likewise.
+ * reload.c (find_equiv_reg): Likewise.
+ * rtlanal.c (reg_referenced_p): Likewise.
+ (note_stores, dead_or_set_regno_p): Likewise.
+ (reg_overlap_mentioned_p): Rewrite to use a switch.
+
+ * ggc.h (struct rtx_def): Forward declare.
+
+ * print-rtl.c (debug_rtx_range): New.
+ * rtl.h (debug_rtx_range): Declare.
+
+ * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
+
+ * gcse.c (gcse_main): Don't rebuild the CFG here.
+ (delete_null_pointer_checks): Likewise.
+ * ssa.c (convert_to_ssa): Likewise.
+ * toplev.c (rest_of_compilation): Do it here instead. Combine
+ sequential calls to TIMEVAR. Consistently use `insns' instead of
+ `get_insns()'. Always split insns after reload when optimizing.
+
+ * basic-block.h (merge_blocks_nomove): Declare.
+ (tidy_fallthru_edge): Declare.
+ * flow.c (merge_blocks_nomove): Document as merging into previous
+ blocks. Remove cruft from between blocks; remove all edges out of A.
+ (tidy_fallthru_edge): Export.
+
+2000-04-06 Alex Samuel <samuel@codesourcery.com>
+
+ * ssa.c (compute_conservative_reg_partition): Declare with
+ void arguments.
+ * toplev.c (clean_dump_file): Remove previously-deleted function
+ inadvertantly merged back in.
+ * conflict.c (conflict_graph_add): Use a single call to
+ htab_find_slot to look up and insert.
+
+2000-04-06 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (*): Rename _last_insn to last_insn.
+ (make_insn_sequence): Set the position of the peephole2 C test
+ to be at the last insn.
+
+2000-04-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (compute_flow_dominators): Free worklist.
+
+2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
+
+2000-04-06 Alex Samuel <samuel@codesourcery.com>
+
+ * rtl.h (INSN_P): New macro.
+ (successor_phi_fn): New typedef.
+ (for_each_successor_phi): New prototype.
+ (in_ssa_form): New variable.
+ (PHI_NODE_P): Likewise.
+ * flow.c (calculate_global_regs_live): Add to new_live_at_end from
+ phi nodes in successors.
+ (mark_used_regs): Add PHI case.
+ (set_phi_alternative_reg): New function.
+ (life_analysis): Assert that dead code elimination is not selected
+ when in SSA form.
+ * toplev.c (to_ssa_time): New variable.
+ (from_ssa_time): Likewise.
+ (compile_file): Zero to_ssa_time and from_ssa_time.
+ Print time to convert to and from SSA.
+ (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
+ (print_time): Compute percent fraction as integer.
+ * ssa.c (PHI_NODE_P): Moved to rtl.h.
+ (convert_to_ssa): Check if we're already in SSA.
+ Don't eliminate dead code in life_analysis.
+ Rerun flow and life analysis at bottom.
+ (eliminate_phi): Use canonical regnos when adding nodes.
+ (mark_reg_in_phi): New function.
+ (mark_phi_and_copy_regs): Likewise.
+ (convert_from_ssa): Rerun life analysis at top.
+ Use coalesced partition.
+ Check for removing a phi node at the end of the block.
+ (compute_coalesced_reg_partition): New function.
+ (coalesce_regs_in_copies): Likewise.
+ (coalesce_reg_in_phi): Likewise.
+ (coalesce_regs_in_sucessor_phi_nodes): Likewise.
+ (for_each_successor_phi): Likewise.
+ (rename_context): New struct.
+ (rename_block): Use a rename_context with rename_insn_1. When
+ renaming sets of a subreg, emit a copy of the entire reg first.
+ (rename_insn_1): Treat data as a rename_context *. Save current
+ insn in set_data.
+ (rename_set_data): Add field set_insn.
+ * Makefile.in (HASHTAB_H): Move up in file.
+ (OBSTACK_H): New macro.
+ (collect2.o): Use OBSTACK_H in dependencies.
+ (sdbout.o): Likewise.
+ (emit-rtl.o): Likewise.
+ (simplify-rtx.o): Likewise.
+ (fix-header.o): Likewise.
+ (OBJS): Add conflict.o.
+ (conflict.o): New rule.
+ * basic-block.h: Include partition.h.
+ (conflict_graph): New typedef.
+ (conflict_graph_enum_fn): Likewise.
+ (conflict_graph_new): New prototype.
+ (conflict_graph_delete): Likewise.
+ (conflict_graph_add): Likewise.
+ (conflict_graph_conflict_p): Likewise.
+ (conflict_graph_enum): Likewise.
+ (conflict_graph_merge_regs): Likewise.
+ (conflict_graph_print): Likewise.
+ (conflict_graph_compute): Likewise.
+ * conflict.c: New file.
+
+2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
+
+ * tlink.c (read_repo_files): Don't look for .rpo info for
+ linker flags.
+
+Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
+
+Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___udivsi3_i4):
+ ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
+ only depends on FMOVD_WORKS.
+
+Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
+ make double constant 8-byte aligned.
+
+2000-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
+ movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
+ movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
+ (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
+ Accept storing GENERAL_REGS into offsetable memory.
+ * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
+ building a TFmode constant other than 0.0L into GENERAL_REGS.
+
+2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
+
+ * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
+
+2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
+ (macro_cleanup): No need to cast pbuf->macro.
+ (collect_expansion): Use _cpp_get_define_token. Goto done if
+ it returns VSPACE. Remove check for trailing space after
+ CPP_COMMENT.
+ (_cpp_create_definition): Don't diddle flags here. Return
+ directly on error.
+ (unsafe_chars): Handle c1 being EOF.
+ (push_macro_expansion): Use unsafe_chars for both accidental-paste
+ checks. Don't push the buffer till after we're done with
+ them.
+ * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
+ (PEEKN, FORWARD, GETC, PEEKC): Use them.
+ (cpp_push_buffer): Don't set new->alimit. Set new->mark
+ appropriately.
+ (_cpp_parse_assertion): Don't NUL terminate.
+ (_cpp_lex_token): Fix -traditional macro handling. Don't skip
+ hspace before calling _cpp_parse_assertion. Remove all sets
+ of only_seen_white. Treat '\f' as hspace. Don't do anything
+ special with '\n' here.
+ (maybe_macroexpand): Handle T_EMPTY hash entries without
+ pushing a buffer at all.
+ (cpp_get_token): Handle clearing only_seen_white here. Handle
+ incrementing the line number here. Clear
+ potential_control_macro as well as only_seen_white, if
+ appropriate.
+ (cpp_get_non_space_token): Don't eat CPP_POP tokens.
+ (_cpp_get_define_token): New function, basically like
+ _cpp_get_directive_token was but doesn't eat horizontal space.
+ Don't do anything with only_seen_white here.
+ (_cpp_get_directive_token): Just call _cpp_get_define_token
+ repeatedly till it returns non-hspace.
+
+ * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
+ (conditional_skip, skip_if_group): Return int.
+ (DIRECTIVE_TABLE): Change origin of all conditional directives
+ to "COND".
+ (TRAD_DIRECT_P): New macro.
+ (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
+ an error for a bogus directive, unless -lang-asm. Use
+ TRAD_DIRECT_P. Loop calling handler functions till one returns
+ zero.
+ (get_macro_name): Don't diddle flags here.
+ (do_define): Diddle flags here. Use _cpp_get_directive_token.
+ Create T_EMPTY nodes for #define macro /* nothing */.
+ (do_undef): Don't copy the name. Use _cpp_get_directive_token.
+ Use hp->name when calling pass_thru_directive.
+ (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
+ Return the result of conditional_skip and/or skip_if_group.
+ Don't call _cpp_output_line_command.
+ (consider_directive_while_skipping): Use _cpp_get_directive_token.
+ Issue -Wtraditional warnings as appropriate. Don't complain
+ about unrecognized directives. If we are to stop skipping,
+ return the number of the directive that ended the skip.
+ (skip_if_group): Use _cpp_get_directive_token. Turn off macro
+ expansion and line commands while skipping. Return the result
+ of consider_directive_while_skipping, if nonzero.
+ (do_endif): Just set potential_control_macro here.
+ (validate_else): Use _cpp_get_directive_token.
+ (do_assert, do_unassert): Don't save pointers into the
+ token_buffer across calls to the lexer. Use
+ _cpp_get_directive_token.
+
+ * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
+ pointer, not an offset. Replace 'data', which was a generic
+ pointer, with 'macro', which points to a struct hashnode.
+ (cpp_reader): Add 'potential_control_macro' pointer.
+ * cpphash.h (T_UNUSED): Replace with T_EMPTY.
+ (CPP_BUF_GET, CPP_FORWARD): Delete.
+ (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
+ (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
+ ACTIVE_MARK_P): Update.
+ (_cpp_get_define_token): New internal function.
+ * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
+
+2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
+
+ * configure.in: And here.
+ * configure: Regenerate.
+ * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
+ --enable-libstdcxx-v3 is passed at configure time.
+ * config.h.in: Regenerate.
+
+2000-04-05 Mark Mitchell <mark@codesourcery.com>
+
+ * final.c (final): Use xcalloc to allocate line_note_exists.
+ * function.c (free_after_compilation): Free the temp_slots.
+ (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
+ (combine_temp_slot): Free temp_slots when they get combined.
+ (purge_addressof): Fix typo in comment.
+ * stmt.c (mark_goto_fixup): Mark the fixup itself.
+ (expand_fixup): Allocate the fixup with ggc_alloc_obj.
+
+ * ggc.h: Include varray.h.
+ (ggc_pending_trees): Declare.
+ (ggc_mark_tree_children): Remove declaration.
+ (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
+ * ggc-common.c (ggc_pending_trees): New variable.
+ (ggc_mark_roots): Call ggc_mark_trees.
+ (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
+ the ggc_pending_trees.
+ * Makefile.in (GGC_H): New variable. Use it throughout in place
+ of ggc.h.
+
+Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
+ GET_MODE_SIZE.
+
+Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (sh_insn_length_adjustment): New function.
+ * sh-protos.h (sh_insn_length_adjustment): Declare.
+ * sh.h (ADJUST_INSN_LENGTH): Use it.
+
+Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
+ from the insn where REG_RETVAL is added.
+ (emit_no_conflict_block): Ditto.
+
+ * md.texi (Standard Names): Clarify when movX is needed.
+
+ * combine.c (simplify_comparison) [MINUS]: Do not replace
+ all (op (minus A B) 0) with (op A B).
+
+Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
+ J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (block_lump_real_i4): Add missing clobber of T_REG
+ (block_lump_real): Likewise.
+
+2000-04-05 Chris Demetriou <cgd@netbsd.org>
+
+ * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
+ remaining non-zero debugging masks.
+
+Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
+
+ * basic-block.h (verify_flow_info): Declare.
+ (flow_loop_outside_edge_p): Declare.
+ * flow.c (verify_flow_info): Remove declaration.
+ (clear_log_links, flow_loop_outside_edge_p): Likewise.
+
+Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
+ not C++ comments.
+
+2000-04-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
+ snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
+ seqdi_zero_trunc+1): Allow splits only if registers are
+ different.
+
+2000-04-04 Ulrich Drepper <drepper@cygnus.com>
+
+ * acconfig.h: Add HAVE_GAS_HIDDEN.
+ * config.in: Regenerated.
+ * configure.in: Add test for .hidden pseudo-op in gas.
+ * configure: Regenerated.
+ * crtstuff.c: Include auto-host.h.
+ Emit additional .hidden pseudo-op for __dso_handle if the
+ assembler knows about it.
+
+2000-04-04 Philippe De Muyter <phdm@macqel.be>
+
+ * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
+ before freeing argnames.
+ * cpplib.c (do_ifndef): Cast return value of xstrdup.
+
+2000-04-05 Michael Meissner <meissner@redhat.com>
+
+ * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
+ Walton <jonboy@gordian.com> to make memory references with update
+ work wtih -mregnames.
+
+2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
+ (regrename_optimize): Rename variables `def_uses' and
+ `ext_basic_blocks' to avoid conflicts with similarly named
+ typedefs in traditional C.
+
+ * calls.c (initialize_argument_information): Fix typo in previous
+ change.
+
+2000-04-04 Richard Henderson <rth@cygnus.com>
+
+ * regrename.c (consider_available): Test fixed_regs not
+ PIC_OFFSET_TABLE_REGNUM.
+
+2000-04-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
+ crtend.
+ (CRTSTUFF_T_CFLAGS_S): Delete definition.
+ * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
+ (ENDFILE_LINUX_SPEC): Always use crtend.
+ * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
+ (powerpc-*-linux-gnu): Likewise.
+ * configure: Regenerate.
+
+ * config/rs6000/eabi.h: Don't include sysv4.h.
+ (MULTILIB_DEFAULTS): Don't define.
+ * config/rs6000/eabiaix.h: Don't include eabi.h.
+ * config/rs6000/eabile.h: Delete.
+ * config/rs6000/eabilesim.h: Delete.
+ * config/rs6000/eabisim.h: Don't include eabi.h.
+ * config/rs6000/linux.h: Don't include sysv4.h.
+ (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
+ (MULTILIB_DEFAULTS): Don't redefine.
+ * config/rs6000/rtems.h: Don't include eabi.h.
+ * config/rs6000/sol2.h: Don't include sysv4le.h.
+ * config/rs6000/sysv4le.h: Don't include sysv4.h.
+ * config/rs6000/t-ppc: Delete.
+ * config/rs6000/t-ppcgas: Correct comment.
+ * config/rs6000/t-ppcos: Correct comment. Don't build
+ multilibs for -fPIC, rather use -fPIC -mstrict-align
+ as default.
+ * config/rs6000/t-ppc: Delete.
+ * config/rs6000/vxppc.h: Don't include sysv4.h.
+ * config/rs6000/vxppcle.h: Delete.
+ * configure.in: Use multiple header files for p2pc ELF targets
+ powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
+ powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
+ powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
+ powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
+ always available for these platforms.
+
+2000-04-04 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
+
+2000-04-04 Stan Cox <scox@cygnus.com>
+
+ * Makefile.in: Add rules for regrename.o
+ * regrename.c: New file.
+ * rtl.h (regrename_optimize): Add prototype.
+ * toplev.c (rename_registers_dump, flag_rename_registers): New variables
+ (compile_file, decode_d_option): Add support for -frename-registers.
+ (rest_of_compilation): Call regrename_optimize.
+ * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
+ New macros.
+
+2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * Makefile (gccbug): New target.
+ (doc): Depend on it.
+ * gcc.texi (Bugs): Link subnodes.
+ (gccbug): New node.
+ * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
+ Document severities, priorities, and classes in bug form.
+
+2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (trigraph_map, speccase): Combine into single
+ table, chartab.
+ (NORMAL, NONTRI): New macros.
+ (_cpp_read_and_prescan): Change to use unified table. Use
+ is_hspace to test for whitespace.
+
+ * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
+ definition that doesn't provoke the "empty body in an
+ if-statement" warning.
+
+2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Force the source to
+ be a memory address.
+
+2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
+
+Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
+ ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
+ (ECF_IS_CONST): Rename to ECF_CONST.
+ (special_function_p): Make static, change interface.
+ (flags_from_decl_or_type, try_to_integrate): Break out from ...
+ (expand_call) ... here; convert number of variables to flags.
+ (emit_library_call_vlue_1): Likewise.
+ (setjmp_call_p): New function.
+ (initialize_argument_information): Accepts flags as argument;
+ return flags.
+ (precompute_arguments): Likewise.
+ * tree.h (special_function_p): Remove.
+ (setjmp_call_p): Add prototype.
+
+2000-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
+ so that addresses are offsetable by up to 16 bytes.
+ (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
+ non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
+ offsetable.
+
+ * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
+ (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
+ (movsf): Don't force any constant to memory if target is integer
+ hard register.
+ Move fp_zero_operand check below the const0_rtx check.
+ (movtf): Likewise. Also allow fp_zero_operand for stores into
+ memory.
+ (movdf): Likewise. Also allow fp_zero_operand for stores into
+ memory and into integer hard registers.
+ (clear_df, clear_dfp, movdf_const_intreg_sp32,
+ movdf_const_intreg_sp64): Remove.
+ (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
+ conditions.
+ (movdf_no_e_insn_v9_sp32): New pattern.
+ (movdf_insn_v9only): Remove.
+ (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
+ (movdf_insn_sp64): Remove.
+ (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
+ (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
+ (following splits): Rewrite conditions. Add two new splits
+ for storing 0.0 into memory and registers.
+ (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
+ (movtf_insn_sp32): Redo constraints and conditions.
+ (movtf_insn_vis_sp32): New pattern.
+ (movtf_no_e_insn_sp32): Redo constraints and conditions.
+ (movtf_insn_hq_sp64): Likewise.
+ (movtf_insn_hq_vis_sp64): New pattern.
+ (movtf_insn_sp64): Redo constraints and conditions.
+ (movtf_insn_vis_sp64): New pattern.
+ (movtf_no_e_insn_sp64): Redo constraints and conditions.
+ (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
+ or memory.
+ * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
+ -mvis or -m64 to take down the number of various reload patterns.
+
+Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-64.h: New file.
+ * pa/pa64-regs.h: New file.
+ * pa/pa64-start.h: New file.
+ * pa/t-pa64: New file.
+ * pa/xm-pa64hpux.h: New file.
+
+2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (output_restore_regs): Prototype.
+ (sparc_emit_float_lib_cmp): Constification.
+
+ * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
+
+ * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
+ Prototype.
+
+ * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
+ (get_value_hash, hash_rtx): Likewise.
+
+ * ssa.c (compute_conservative_reg_partition): Prototype.
+
+ * tree.c (mark_hash_entry): Prototype.
+
+2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
+ * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
+ * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
+
+ * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
+ * objc/lang-specs.h: Likewise.
+
+2000-04-03 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
+ and SYNTAX_ERROR2. Replace `' in messages with ''.
+ (op_to_str): Make re-entrant.
+ (_cpp_parse_expr): Implement new error macros. Use | rather
+ than || to logically or 2 boolean integers. Simply expression
+ checking we have a left operand iff needed.
+
+2000-04-03 Nick Clifton <nickc@cygnus.com>
+
+ * Makefile.in (diagnostic.o): Depend upon diagnostic.c
+
+2000-04-03 Philip Blundell <philb@gnu.org>
+
+ * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
+
+2000-04-03 Felix Lee <flee@cygnus.com>
+
+ * fixinc/server.c (find_shell): New function. Avoid $SHELL.
+ (run_shell): Use it.
+
+2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * Makefile.in (stmp-int-hdrs): Make include subdir here...
+ (stmp-fixproto): ...rather than here.
+
+Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * pa.c (print_operand): Compute 'base' only inside the code paths
+ that use it.
+
+2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
+
+ * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
+ CEIL_DIV_EXPR.
+
+2000-04-03 Philipp Thomas <pthomas@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
+
+Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in (alias.o): Depend on $(TREE_H).
+
+2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_start_read): Turn off -Wtraditional if
+ processing C++.
+ * cpplib.c (_cpp_handle_directive): Improve warnings for
+ traditional C and indented directives.
+
+ * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
+ fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
+ fixinc/inclhack.def: Indent the # of #include_next one space.
+ * cp/rtti.c: Un-indent #if and #endif.
+
+ * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
+ syntax error, but an error has already been printed.
+ * cpplex.c (_cpp_parse_assertion): Give a more specific error
+ message when called with nothing remaining on the line.
+ (_cpp_lex_token): If _cpp_parse_assertion fails, return an
+ OTHER token, not an ASSERTION.
+ * cpplib.c (do_assert): When we create a 'base' node, clear
+ its aschain pointer.
+
+2000-04-02 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: New typedef op_t. struct operation and struct
+ token updated to use it.
+ (op_to_str): New function.
+ (_cpp_parse_expr): Error messages modified to use op_to_str.
+
+2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
+ before checking MUST_PASS_IN_STACK.
+
+2000-04-02 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: New FINISHED dummy token. Combine operator initial
+ flags and initial priority into a single constant. New
+ EQUALITY macro. New operator flag SHORT_CIRCUIT.
+ (_parse_cpp_expr): Implement new constants. Take left operand
+ checks out of reduction loop. Handle SHORT_CIRCUIT. End of
+ parse indicated by reducing FINISHED token. Remove new lines
+ from cpp_error messages.
+
+2000-04-01 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
+ permanent obstack.
+
+2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c: Include symcat.h. Add 'origin' field to struct
+ directive. Add origin values to DIRECTIVE_TABLE. Generate
+ the strings and function names on the fly. Take the #sccs
+ entry out of the table if SCCS_DIRECTIVE is not defined.
+ (_cpp_handle_directive): Decide if the # was at the beginning
+ of the line here. Issue -pedantic warnings for extended
+ directives here. Warn about K+R directives with the #
+ indented, and C89/extended directives with the # not indented,
+ here.
+ (do_import, do_include_next, do_warning, do_ident, do_sccs,
+ do_assert, do_unassert): Don't issue pedantic warning here.
+
+ * cpphash.h: Add CPP_WTRADITIONAL macro.
+ * cpplib.h (struct cpp_options): Rename warn_stringify to
+ warn_traditional; update comments.
+ * cppinit.c (handle_option): Set warn_traditional not
+ warn_stringify.
+ * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
+ CPP_WTRADITIONAL (pfile).
+ * cpplex.c (_cpp_lex_token): Don't decide if directives should
+ be ignored in -traditional mode here.
+
+ * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
+ to initialize speccase[] and trigraph_map[]. Delete all
+ references to pfile->input_speccase. Always treat '?' as a
+ special character. Remove table-initialization code from
+ _cpp_init_input_buffer.
+
+ * cpplib.h (struct cpp_reader): Remove input_speccase field.
+ * cppinit.c (cpp_cleanup): Don't free input_speccase.
+
+2000-04-01 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
+ (mostlyclean): Likewise.
+
+ * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
+ (struct dump_file_info, enum dump_file_index, dump_file): New.
+ (open_dump_file): Take a dump_file_index not a suffix, and a decl
+ not a string. Clean out file if we havn't yet done so. Do nothing
+ if the dump isn't enabled.
+ (close_dump_file): Do nothing if the dump isn't open. Dump
+ graph data if requested.
+ (dump_rtl, clean_dump_file): Remove.
+ (compile_file): Don't clean the dump files. Only finalize .bp dump
+ if flag_test_coverage or flag_branch_probabilities. Only finalize
+ .combine dump if optimizing. Iterate over dump_file to finalize the
+ graph dumps.
+ (rest_of_compilation): Update for open_dump_file/close_dump_file.
+ Convert all uses of dump_rtl.
+ (decode_d_option): Iterate over dump_file to implement 'a' and to
+ locate pass-specific dumps.
+
+2000-04-01 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: Redefine priority constants.
+ (_cpp_parse_expr): Replace left and right priority scheme with
+ single priority logic. Move LOGICAL to same place as COMPARE.
+ Remove bogus check for multiple unary +/- operators.
+
+2000-04-01 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
+ within the switch statement. Binary operations break out of
+ the switch naturally. '(' tokens handled by forcing
+ immediate shift. ')' handled by forcing immediate reduce to
+ the previous '('. New error messages.
+
+2000-03-31 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
+ part', it's already in use. Use %K instead. Add a return at the
+ end of what is now %K.
+ * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
+
+Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_apply): Pass proper parameters to
+ allocate_dynamic_stack_space.
+ * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
+ update stack_pointer_delta; do not update arg_size_so_far.
+ (compute_argument_block_size): Use stack_delta instead of
+ stack_pointer_pending and arg_size_so_far.
+ (expand_call): Add sanity checking for stack_pointer_delta;
+ save and restore stack_pointer_delta for SIB, use
+ stack_pointer_delta for alignment; do not update arg_space_so_far.
+ (emit_library_call_value): Use stack_pointer_delta for alignment.
+ (store_one_arg): Do not update arg_space_so_far.
+ * explow.c (adjust_stack, anti_adjust_stack): Update
+ stack_pointer_delta.
+ (allocate_dynamic_stack_space): Add sanity checking for
+ stack_pointer_delta.
+ * expr.c (init_expr, clear_pending_stack_adjust): Clear
+ stack_pointer_delta.
+ (emit_push_insn): Update stack_pointer_delta.
+ * function.h (struct expr_status): Add x_stack_pointer_delta;
+ remove x_arg_space_so_far.
+ (arg_space_so_far): Remove.
+ (stack_pointer_delta): New macro.
+
+2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Merge struct cpp_options into struct cpp_reader.
+ Reorder struct cpp_options and struct cpp_reader for better
+ packing. Replace CPP_OPTIONS macro with CPP_OPTION which
+ takes two args. Change all 'char' flags to 'unsigned char'.
+ Move show_column flag into struct cpp_options. Don't
+ prototype cpp_options_init.
+ * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
+ cppinit.c, cpplex.c, cpplib.c:
+ Replace CPP_OPTIONS (pfile)->whatever with
+ CPP_OPTION (pfile, whatever), and likewise for
+ opts = CPP_OPTIONS (pfile); ... opts->whatever;
+
+ * cppinit.c (merge_include_chains): Take a cpp_reader *.
+ Extract CPP_OPTION (pfile, pending) and work with that
+ directly.
+ (cpp_options_init): Delete.
+ (cpp_reader_init): Turn on on-by-default options here.
+ Allocate the pending structure here.
+ (cl_options, enum opt_code): Define these from the same table,
+ kept in a large macro. Add -fshow-column and -fno-show-column
+ options.
+
+ * cpperror.c (v_message): If show_column is off, don't print
+ the column number.
+
+ * cppmain.c: Update for new interface.
+ * fix-header.c: Likewise.
+
+2000-03-30 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
+ definition.
+ * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
+ are passed to any invocation of AR_FOR_TARGET.
+ (AR_CREATE_FOR_TARGET): New macro.
+ (AR_EXTRACT_FOR_TARGET): New macro.
+ (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
+ AR_EXTRACT_FOR_TARGET.
+ (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
+ in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
+ `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
+ AR_EXTRACT_FOR_TARGET to sub-makes.
+
+2000-03-31 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: Delete SKIP_OPERAND. Correct priority
+ PAREN_INNER_PRIO.
+ (_cpp_parse_expr): Check for multiple unary +/- operators.
+ Correct priorities of ':' and '?'. Treat ')' as having a
+ value. Ensure conditional expression is not void.
+
+2000-03-31 Mark Mitchell <mark@codesourcery.com>
+
+ * alias.c (canon_rtx): Make it global.
+ (rtx_equal_for_memref_p): CONST_INT equality is now pointer
+ equality.
+ * cse.c (struct table_elt): Add canon_exp.
+ (insert): Clear it.
+ (invalidate): Canonicalize expressions only once.
+ * rtl.h (canon_rtx): Declare.
+
+2000-03-30 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
+ * alias.c (reg_known_value): Add comments.
+ (init_alias_analysis): Likewise.
+ * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
+ address.
+ (cse_basic_block): Fix typo in comment.
+ * emit-rtl.c: Include hashtab.h.
+ (const_int_htab): New variable.
+ (const_int_htab_hash): New function.
+ (const_int_htab_eq): Likewise.
+ (rtx_htab_mark_1): Likewise.
+ (rtx_htab_mark): Likewise.
+ (gen_rtx_CONST_INT): Cache all CONST_INTs.
+ (unshare_all_rtx): Fix formatting.
+ (init_emit_once): Initialize const_int_htab.
+ * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
+ address.
+ * rtl.texi: Document the fact that all CONST_INTs with the same
+ value are shared.
+
+2000-03-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
+
+2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Comment out --enable-c-cpplib stanza.
+ * configure: Regenerate.
+
+Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Properly compute displacement and
+ alignment when offset is variable.
+
+ * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
+ cases of alignment in bytes.
+
+Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
+
+ * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
+ since it is used to generate c-parse.y.
+ * objc-parse.c, objc-parse.y: Regenerated.
+
+ * function.c (expand_function_end): Pass alignment argument to
+ emit_block_move in bits, not bytes.
+
+Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (move_by_pieces_ninsns): Fix one more missing align
+ correction.
+
+ * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
+
+ * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
+ * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
+ * function.c (assign_parms): Likewise.
+ * integrate.c (expand_inline_function): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ (copy_rtx_and_substitute): Likewise.
+ * expr.c (expand_expr, expand_expr_unaligned): Likewise.
+ (clear_by_pieces): Fix error in last change.
+ * emit-rtl.c (init_emit): Set known registers alignment in bits.
+ * function.h (regno_pointer_align): Now unsigned.
+ * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
+ is in bits.
+ * config/i386/i386.c (aligned_operand): Likewise.
+ * config/sparc/sparc.c (mem_min_alignment): Likewise.
+ * config/alpha/alpha.c (aligned_memory_operand): Likewise.
+ (unaligned_memory_operand): Likewise.
+ (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
+ Also make alignments and sizes unsigned and some whitespace cleanup.
+ (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
+
+ * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
+ (expand_builtin_apply): Pass alignment to emit_block_move in bits.
+ (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
+ (expand_builtin_memset): Likewise, but to clear_storage.
+ * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
+ (restore_fixed_argument_area): Likewise.
+ (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
+ (load_register_parameters): Likewise, to emit_group_load.
+ (expand_call): Likewise, to emit_group_store and emit_block_move.
+ (emit_library_call_value_1): Likewise, to emit_block_move.
+ (store_one_arg): Likewise, and to emit_push_insn.
+ * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
+ (extract_fixed_bit_field, extract_split_bit_field): Likewise.
+ * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
+ (emit_block_move, emit_group_load, emit_group_store): Likewise.
+ (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
+ (expand_assigment, store_expr, store_constructor_field): Likewise.
+ (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
+ (store_constructor, store_field, get_inner_reference): Likewise.
+ Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
+ (expand_expr, case COMPONENT_REF): Likewise.
+ (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
+ and positions; reindent code.
+ * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
+ * function.c (purge_addressof_1): Pass bit align to store_bit_field.
+ (assign_parms): Likewise to emit_group_store.
+ * optabs.c (prepare_cmp_insn): Alignment is in bits.
+ (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
+ * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
+ (expand_return): Likewise to {extract,store}_bit_field.
+ * stor-layout.c (get_mode_alignment): Minor cleanup.
+ * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
+ * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
+
+2000-03-29 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: Undo effects of previous delta:
+ (ASM_SPEC): Do not define.
+ (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
+
+ * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
+ typo.
+
+2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_start_read): Call initialize_dependency_output
+ only after reading in the primary source file.
+
+2000-03-29 Geoff Keating <geoffk@cygnus.com>
+
+ * c-common.c (c_common_nodes_and_builtins): The first parameter to
+ __builtin_va_start and __builtin_va_copy is now either a 'va_list'
+ or a reference to a va_list.
+ * builtins.c (stabilize_va_list): Simplify now we don't have to
+ work around C array address decay.
+ * c-typeck.c (convert_for_assignment): Handle assignment to
+ a reference parameter by taking the address of the RHS.
+ * ginclude/stdarg.h (va_start): Don't take address of first parameter.
+ (va_copy): Likewise.
+ (__va_copy): Likewise.
+ * ginclude/varargs.h (va_start): Likewise.
+ (__va_copy): Likewise.
+
+Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386/djgpp.h: Remove extraneous "+".
+
+ * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
+
+ * calls.c (expand_call): Fix typo in last change.
+
+2000-03-29 Jason Merrill <jason@casey.cygnus.com>
+
+ * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
+ been expanded.
+
+Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
+ (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
+ (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
+ * tree.c (bit_position, byte_position): Likewise.
+ * tree.h: Declare new functions.
+
+2000-03-29 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Minor formatting changes/
+ * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+ already defined.
+ (ASM_SPEC): Define if not already defined.
+
+2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_read_file): Don't pass zero-length string to
+ _cpp_calc_hash.
+
+2000-03-29 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
+ value, don't output it as unsigned.
+
+Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
+
+2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Don't special case
+ cplus_mode when declaring builtin bzero/bcmp, always avoid
+ prototype arguments.
+
+2000-03-29 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
+ to a non-file
+
+Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ Convert ACCUMULATE_OUTGOING_ARGS to an expression.
+ * calls.c (PUSH_ARGS_REVERSED) Change to expression.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
+ (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
+ (save_fixed_argument_area, restore_fixed_argument_area):
+ conditionize by #ifdef REG_PARM_STACK_SPACE only.
+ (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
+ to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
+ (precompute_register_parameters): Avoid #ifdefs on
+ ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
+ (stire_one_args): Likewise.
+ (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
+ (emit_library_call_value_1): Likewise.
+ (compute_argument_block_size): Align to STACK_BOUNDARY only for
+ ACCUMULATE_OUTGOING_ARGS.
+ * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
+ value.
+ (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
+ (use_crosses_set_p): Likewise.
+ * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
+ #define ACCUMULATE_OUTGOING_ARGS 1.
+ * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
+ frames.
+ * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
+ constants.
+ (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
+ (TARGET_SWITCHES): Add push-args, no-push-args,
+ accumulate-outgoing-args and no-accumulate-outgoing-args.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
+ * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
+ (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
+ and PUSH_ROUNDING.
+ (emit_push_insn): Likewise.
+ * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+ (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
+ * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+ (STACK_DYNAMIC_OFFSET): Define correctly for both
+ ACCUMULATE_OUTGOING_ARGS and normal mode.
+ * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
+ * tm.texi (PUSH_ARGS): Document.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
+
+Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * flags.h (flag_optimize_sibling_calls): Declare.
+ * calls.c (expand_call): Fail sibcall when
+ !flag_optimize_sibling_calls
+ * invoke.texi (flag_optimize_sibling_calls): Document.
+ * toplev.c (flag_optimize_sibling_calls): New global variable.
+ (f_options): Add flag_optimize_sibling_calls.
+ (rest_of_compilation): Conditionize
+ optimize_sibling_and_tail_recursive_calls by
+ flag_optimize_sibling_calls.
+ (main): Set flag_optimize_sibling_calls for -O2.
+ * stmt.c (expand_return): Conditionize tail recursion by
+ flag_optimize_sibling_calls.
+
+2000-03-29 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
+ (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
+
+2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
+
+ * except.c (add_eh_table_entry): Mark type_info's as referenced.
+
+2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
+ is given.
+ * config/rs6000/aix43.h (CPP_SPEC): Likewise.
+ * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
+ * config/rs6000/aix.h: then modified likewise.
+
+2000-03-28 Richard Henderson <rth@cygnus.com>
+
+ * rtl.h: Redistribute enum reg_note documentation.
+ Kill trailing whitespace.
+ * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
+ Kill trailing whitespace.
+
+2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (hash_IHASH): Just return i->hash.
+ (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
+ htab_find_with_hash.
+ (cpp_read_file): Likewise.
+ (find_include_file): Likewise. Properly initialize
+ ih->nshort. Share ih->name and ih->nshort if possible.
+ * cpphash.c (_cpp_calc_hash): New function.
+ (hash_HASHNODE): Just return h->hash.
+ (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
+ htab_find_with_hash.
+ * cpphash.h: Prototype _cpp_calc_hash.
+ * cppinit.c (initialize_builtins): Provide a valid hash
+ to _cpp_make_hashnode, using _cpp_calc_hash.
+
+ * cpphash.c (collect_expansion): # is not a special character
+ in object-like macros. In -traditional mode, /**/ is not
+ token paste at the beginning or end of the line.
+ * cpplib.c (do_include, do_import, do_include_next): If
+ parse_include fails, return immediately.
+
+2000-03-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * config/arm/arm.md (return peepholes): Update to reflect the new
+ call insn patterns.
+ * config/arm/arm.c (arm_volatile_func): Also check
+ current_function_nothrow.
+ (output_return_instruction, output_func_prologue): Use it.
+ (arm_output_epilogue, arm_expand_prologue): Likewise.
+
+2000-03-27 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (handle_braces): In {x*...} case, break out of loop if
+ switch is found.
+
+Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): SIZE now signed.
+ For EXPR_SIZE, don't evaluate size; just needed if constant.
+ * fold-const.c (fold): Fix a number of cases when folded tree is
+ wrong type.
+ * function.c (flush_addressof): Reenable.
+ * tree.h (flush_addressof): Likewise.
+ * toplev.c (independent_decode_option): Look at strings_processed.
+ * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
+
+Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
+
+ * sibcall.c (indentify_call_return_value): Find last call in the chain;
+ Allow stack adjustment after function call.
+
+ * regmove.c (struct csa_memlist): Make mem field rtx *.
+ (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
+ (try_apply_stack_adjustment): Replace whole MEM rtx.
+ (combine_stack_adjustments_for_block): Update calls
+ to record_one_stack_ref.
+
+2000-03-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
+ '\\' rather than a null character, so nulls are not special. Fix
+ "\\\n" handling in end-of-buffer conditions. Use trigraph map to
+ speed trigraph conversion.
+ (_cpp_init_input_buffer): Initialize trigraph map.
+
+2000-03-27 Alan Modra <alan@linuxcare.com.au>
+
+ * config/i386/i386.c (output_387_binary_op): Correct intel
+ mode assembly output, and add spaces after commas in AT&T
+ output. Correct Unixware assembler comment. Document input
+ constraints. Comment fp operations. Reduce profligate buffer
+ size. Remove extraneous abort. Localize temp var.
+ (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
+ (output_fix_trunc): Add spaces after commas in assembly output.
+
+2000-03-27 Richard Henderson <rth@cygnus.com>
+
+ * i386-protos.h (ix86_match_ccmode): Declare.
+ * i386.c (ix86_match_ccmode): New.
+ (ix86_expand_fp_compare): Update for pattern renames.
+ (ix86_expand_strlensi_unroll_1): Likewise.
+ * i386.h (EXTRA_CC_MODES): Add CCZ.
+ (SELECT_CC_MODE): Use it for EQ/NE zero.
+ * i386.md (cmpsi_ccz_1): New.
+ (cmpqi_ccz_1): New.
+ (*testsi_ccz_1): New.
+ (testqi_ccz_1): New.
+ (cmpsi_ccno_1): Rename from cmpsi_0.
+ (testsi_ccno_1): Rename from testsi_1.
+ (testqi_ccno_1): Rename from testqi_1.
+ (*testqi_ext_ccz_0): Rename from testqi_ext_0.
+ (testqi_ext_ccno_0): Rename from *testqi_ext_1.
+ (*cmphi_0): Use ix86_match_ccmode.
+ (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
+ (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
+ (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
+ (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
+ (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
+ (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
+ (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
+ (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
+ (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
+ (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
+ (appropriate peepholes): Likewise.
+ (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
+ (*subsi_3, *subhi_3, *subqi_3): Remove.
+ (*negdi2_1+1 splitter): Use CCZ for neg patterns.
+ (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
+ (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
+ (*neghi2_cmpz, *negqi2_cmpz): Similarly.
+ (x86_shift_adj_1): Use CCZ.
+ (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
+
+2000-03-27 Stan Cox <scox@cygnus.com>
+
+ * resource.h (mark_resource_type): New.
+ * resource.c (find_dead_or_set_registers, mark_target_live_regs,
+ find_free_register): Use mark_resource_type.
+ (mark_set_resources): Change include_delayed_effects
+ to mark_resource_type.
+ * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
+ redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
+ Use mark_resource_type.
+
+2000-03-27 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (call_pop_0, call_value_pop_0): New.
+ (call_pop_1): Remove constraint from unused arg. Support sibcalls.
+ (call_value_pop_1): Likewise.
+ (call_0, call_value_0): New.
+ (call_1, call_value_1): Remove constraint from unused arg.
+
+2000-03-27 Nick Clifton <nickc@cygnus.com>
+
+ * invoke.texi (Spec Files): Document new spec % command created by
+ Tom Tromey's recent patch.
+
+2000-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
+ if not defined.
+
+Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_assignment): Fix typo in last change.
+
+ * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
+
+Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-convert.c (convert): Return if output or input type is ERROR_MARK.
+ * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
+ and DECL_INLINE if FUNCTION_DECL.
+ (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
+ (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
+ Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
+ (combine_parm_decls): Likewise.
+ * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
+ * print-tree.c (print_node): Likewise.
+ Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
+ DECL_TRANSPARENT_UNION on proper decl types.
+ Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
+ * stor-layout.c (layout_decl): Only check DECL_PACKED and
+ DECL_BIT_FIELD of FIELD_DECL.
+ * tree.h (DECL_RESULT_FLD): New macro.
+
+ * expr.c (expand_assignment): Add code to handle variable-sized
+ BLKmode case.
+
+2000-03-26 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Pass parms not original exp to
+ optimize_tail_recursion. Mind return value instead of looking
+ for a barrier.
+ * stmt.c (optimize_tail_recursion): Take parameter list, not entire
+ call_expr. Move checks for call_expr and current_function_decl ...
+ (expand_return): ... here.
+
+2000-03-26 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (handle_braces): Recognize `%{<S}' construct.
+ (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
+ defines.
+ (process_command): Use them.
+ (check_live_switch): Likewise.
+ (give_switch): Skip ignored switches.
+
+2000-03-26 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (jump_optimize_1): Fix typo in elide optimizations
+ for minimal jump pass test.
+
+2000-03-26 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (function_cannot_inline_p): Do inline functions that
+ return `void'.
+
+Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_type, set_sizetype): early_type_list is
+ now a list of TREE_LIST entries, not types.
+ * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
+
+ * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
+ * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
+ int_bit_position.
+ * config/mips/mips.c (function_arg): Likewise; also remove cast
+ and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
+ (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
+ * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
+ * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
+ (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
+ (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
+ (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
+ (struct mips_arg): arg_number, arg_words, fp_arg_words, and
+ num_adjusts now unsigned.
+ (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
+ * config/sparc/sparc.c (struct function_arg_record_value_parms):
+ NREGS now unsigned.
+ (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
+ as is BITPOS variable; use host_integerp and int_bit_position.
+ (function_arg_record_value_2): Likewise.
+ (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
+ Variable REGNO now unsigned.
+ (function_arg_record_value): NREGS now unsigned.
+
+2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
+
+Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Rework fields used to describe positions of bitfields and
+ modify sizes to be unsigned and use HOST_WIDE_INT.
+ * alias.c (reg_known_value_size): Now unsigned.
+ * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
+ (really_start_incremental_init): Use bitsize_zero_node.
+ (push_init_level, pop_init_level, output_init_element): Likewise.
+ Use bitsize_unit_node and bitsize_one_node.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
+ (make_extraction): Position and length HOST_WIDE_INT and unsigned
+ HOST_WIDE_INT, respectively.
+ (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
+ (num_sign_bit_copies): Returns unsigned.
+ BITWIDTH now unsigned; rework arithmetic.
+ Remove recursive call from arg to MAX.
+ (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
+ (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
+ REGNO now unsigned.
+ (set_nonzero_bit_and_sign_copies): NUM now unsigned.
+ (find_split_point, expand_compound_operation, make_extraction): LEN
+ now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
+ (make_field_assignment): Likewise.
+ (combine_simplify_rtx): Add cast.
+ (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
+ (force_to_mode): WIDTH now unsigned; add cast.
+ (if_then_else_cond): SIZE now unsigned.
+ (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
+ (extended_count): Now returns unsigned.
+ (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
+ Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
+ (simplify_comparison): MODE_WIDTH now unsigned.
+ (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
+ (mark_used_regs_combine): Likewise; rework arithmetic.
+ (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
+ (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
+ (record_promoted_value): REGNO now unsigned.
+ (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
+ (get_last_value): REGNO now unsigned.
+ (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
+ (reg_dead_regno, reg_dead_endregno): Now unsigned.
+ (remove_death): Arg REGNO now unsigned.
+ (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
+ (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
+ now unsigned.
+ * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
+ * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
+ (struct cse_reg_info): REGNO now unsigned.
+ (cached_regno): Now unsigned.
+ (REGNO_QTY_VALID_P): Add cast.
+ (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
+ (remove_invalid_regs): Likewise.
+ (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
+ as are variables END and I.
+ (get_cse_reg_info, insert): Likewise.
+ (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
+ (canon_hash): Likewise.
+ (insert_regs, lookup_for_remove): REGNO now unsigned.
+ (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
+ New variable RN.
+ * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
+ * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
+ * emit-rtl.c (subreg_realpart_p): Add cast.
+ (operand_subword): Arg I is now unsigned as is var PARTWORDS.
+ (operand_subword_force): Arg I is now unsigned.
+ * except.c (eh_regs): Variable I is now unsigned.
+ * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
+ * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
+ length is unsigned HOST_WIDE_INT; likewise for internal variables.
+ (store_split_bit_field, extract_fixed_bit_field): Likewise.
+ (extract_split_bit_field, store_bit_field, extract_bit_field):
+ Likewise.
+ * expr.c (store_constructor_fields, store_constructor, store_field):
+ Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
+ (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
+ (do_jump): Likewise.
+ (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
+ MAX_SIZE is now unsigned.
+ (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
+ (emit_group_store): Likewise.
+ (emit_move_insn): I now unsigned.
+ (store_constructor): Use host_integerp, tree_low_cst, and
+ bitsize_unit_node.
+ (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
+ Rework all calculations to use trees and new fields.
+ * expr.h (promoted_input_arg): Regno now unsigned.
+ (store_bit_field, extract_bit_field): Adjust types of pos and size.
+ (mark_seen_cases): Arg is HOST_WIDE_INT.
+ * flow.c (verify_wide_reg_1): REGNO now unsigned.
+ * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
+ precisions and alignments are unsigned.
+ (optimize_bit_field_compare, fold_truthop): Likewise.
+ (int_const_binop): Adjust threshold for size_int_type_wide call.
+ (fold_convert): Likewise.
+ (size_int_type_wide): Make table larger and fix thinko that only
+ had half of table used.
+ (all_ones_mask_p, fold): Precisions are unsigned.
+ * function.c (put_reg_info_stack): REGNO is unsigned.
+ (instantiate_decl): Size is HOST_WIDE_INT.
+ (instantiate_virtual_regs): I is unsigned.
+ (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
+ (promoted_input_arg): REGNO is unsigned.
+ * function.h (struct function): x_max_parm_reg is now unsigned.
+ * gcse.c (max_gcse_regno): Now unsigned.
+ (struct null_pointer_info): min_reg and max_reg now unsigned.
+ (lookup_set, next_set): REGNO arg now unsigned.
+ (compute_hash_table): REGNO and I now unsigned.
+ (handle_avail_expr): regnum_for_replacing now unsigned.
+ (cprop_insn): REGNO now unsigned.
+ (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
+ * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
+ * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
+ * hard-reg-set.h (reg_class_size): Now unsigned.
+ * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
+ * jump.c (mark_modified_reg): I now unsigned; add cast.
+ (rtx_equal_for_thread_p): Add cast.
+ * loop.c (max_reg_before_loop): Now unsigned.
+ (struct_movable): REGNO now unsigned.
+ (try_copy_prop): REGNO arg unsigned.
+ (regs_match_p): XN and YN now unsigned.
+ (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
+ (strength_reduce): Likewise; NREGS also unsigned.
+ (first_increment_giv, last_increment_giv unsigned): Now unsigned.
+ * loop.h (struct iv_class): REGNO now unsigned.
+ (max_reg_before_loop, first_increment_giv, last_increment_giv):
+ Now unsigned.
+ * machmode.h (mode_size, mode_unit_size): Now unsigned.
+ (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
+ * optabs.c (expand_binop): I and NWORDS now unsigned.
+ (expand_unop): I now unsigned.
+ * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
+ print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
+ * real.c (significand_size): Now returns unsigned.
+ * real.h (significand_size): Likewise.
+ * regclass.c (reg_class_size): Now unsigned.
+ (choose_hard_reg_mode): Both operands now unsigned.
+ (record_reg_classes): REGNO and NR now unsigned.
+ (reg_scan): NREGS now unsigned.
+ (reg_scan_update): old_max_regno now unsigned.
+ (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
+ * reload.c (find_valid_class): BEST_SIZE now unsigned.
+ (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
+ (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
+ Likewise for variable R.
+ (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
+ as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
+ (find_equiv_reg): Add casts.
+ (regno_clobbered_p): Arg REGNO now unsigned.
+ * reload.h (struct reload): NREGS now unsigned.
+ (refers_to_regno_for_reload_p): Regno args are unsigned.
+ (regno_clobbered_p): Likewise.
+ * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
+ (compute_use_by_pseudos): REGNO now unsigned.
+ (find_reg): I and J now unsigned, new variable K, and change loop
+ variables accordingly; THIS_NREGS now unsigned.
+ (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
+ (spill_hard_reg): REGNO arg now unsigned; add casts.
+ (forget_old_reloads_1): REGNO, NR, and I now unsigned.
+ (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
+ (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
+ END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
+ (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
+ (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
+ (emit_reload_insns): REGNO now unsigned.
+ (reload_cse_move2add): Add cast.
+ (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
+ and rework loop.
+ * resource.c (mark_referenced_resources, mark_set_resources): New
+ variable R; REGNO and LAST_REGNO now unsigned.
+ (mark_target_live_regs): J and REGNO now unsigned.
+ * rtl.c (mode_size, mode_unit_size): Now unsigned.
+ * rtl.h (union rtunion_def): New field rtuint.
+ (XCUINT): New macro.
+ (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
+ (operand_subword, operand_subword_force): Word number is unsigned.
+ (choose_hard_reg_mode): Operands are unsigned.
+ (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
+ (find_regno_note, find_regno_fusage, replace_regs): Likewise.
+ (regno_use_in, combine_instructions, remove_death): Likewise.
+ (reg_scan, reg_scan_update): Likewise.
+ (extended_count): Return is unsigned.
+ * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
+ INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
+ (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
+ (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
+ (reg_reg_last_1): FIRS and LAST now unsigned.
+ (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
+ (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
+ now unsigned.
+ (find_regno_note, regno_use_in): Arg REGNO now unsigned.
+ (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
+ (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
+ (replace_regs): Arg NREGS now unsigned.
+ * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
+ * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
+ (simplify_binary_operation): Likewise.
+ (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
+ THIS_LAST now unsigned.
+ (cselib_record_set): Add cast.
+ * ssa.c (ssa_max_reg_num): Now unsigned.
+ (rename_block): REGNO now unsigned.
+ * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
+ sizes now unsigned.
+ (all_cases_count): Just return -1 not -2.
+ COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
+ Rework tests to use trees whenever possible.
+ Use host_integerp and tree_low_cst.
+ (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
+ Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
+ (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
+ * stor-layout.c (mode_for_size): SIZE arg now unsigned.
+ (smallest_mode_for_size): Likewise.
+ (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
+ KNOWN_ALIGN is now an alignment, so simplify code.
+ Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
+ (start_record_layout): Renamed from new_record_layout_info.
+ Update to new fields.
+ (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
+ New functions.
+ (place_union_field): Renamed from layout_union_field.
+ Update to use new fields in rli.
+ (place_field): Renamed from layout_field.
+ Major rewrite to use new fields in rli; pass alignment to layout_decl.
+ (finalize_record_size): Rework to use new fields in rli and handle
+ union.
+ (compute_record_mode): Rework to simplify and to use new DECL fields.
+ (finalize_type_size): Make rounding more consistent.
+ (finish_union_layout): Deleted.
+ (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
+ (layout_type, case RECORD_TYPE): Call new function names.
+ (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
+ (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
+ (get_best_mode): UNIT is now unsigned; remove casts.
+ * tree.c (bit_position): Compute from new fields.
+ (byte_position, int_byte_position): New functions.
+ (print_type_hash_statistics): Cast to remove warning.
+ (build_range_type): Use host_integerp and tree_low_cst to try to hash.
+ (build_index_type): Likewise; make subtype of sizetype.
+ (build_index_2_type): Pass sizetype to build_range_type.
+ (build_common_tree_nodes): Use size_int and bitsize_int to
+ initialize nodes; add bitsize_{zero,one,unit}_node.
+ * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
+ (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
+ (DECL_PACKED, DECL_BIT_FIELD): Likewise.
+ (DECL_FIELD_BITPOS): Deleted.
+ (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
+ (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
+ (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
+ (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
+ (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
+ (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
+ (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
+ (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
+ (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
+ (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
+ (DECL_ALIGN): Adjust to new field in union.
+ (DECL_OFFSET_ALIGN): New field.
+ (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
+ (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
+ (union tree_decl): Add struct for both aligns.
+ (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
+ (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
+ (struct record_layout_info): Rework fields to have offset
+ alignment and byte and bit position.
+ (start_record_layout, place_field): Renamed from old names.
+ (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
+ (byte_position, int_byte_position): Likewise.
+ (get_inner_reference): Change types of position and length.
+ * unroll.c (unroll_loop): New variable R; use for some loops.
+ MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
+ (calculate_giv_inc): Arg REGNO now unsigned.
+ (copy_loop_body): REGNO and SRC_REGNO now unsigned.
+ * varasm.c (assemble_variable): Clean up handling of size using
+ host_integerp and tree_low_cst.
+ (decode_addr_const): Use byte, not bit, position.
+ (output_constructor): bitpos and offsets are HOST_WIDE_INT;
+ use tree_low_cst and int_bit_position.
+ * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
+
+Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
+ (reorder_block_def): New members eff_head and eff_end.
+ (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
+ (verify_insn_chain): New function.
+ (skip_insns_between_block): Add code to skip deleted insns.
+ Check for note before using.
+ (chain_reorder_blocks): Replace calls to skip_insns_between_block
+ with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
+ Check for note before using.
+ (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
+ (fixup_reorder_chain): Restructure, clean up, defect removal.
+ (reorder_basic_blocks): Remove last_insn and references to it.
+ Moved insn chain verification code into a new function (see above).
+ Delete defective code that sets last insn.
+ Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
+ all blocks.
+
+2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
+
+2000-03-24 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (lang_safe_for_unsave): Remove.
+ (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
+ allowing for two levels of unsafeness. Remove lang hook.
+ * tree.h: Update declarations.
+ * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
+ Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
+ Always fail sibcalls when there are pending cleanups.
+
+2000-03-24 Geoff Keating <geoffk@cygnus.com>
+
+ * flow.c (propagate_block): When we delete an ADDR_VEC,
+ also delete the BARRIER following it if there is one.
+
+2000-03-24 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_bzero): Convert `length' argument
+ to sizetype.
+
+2000-03-24 Jakub Jelinek <jakub@redhat.com>
+
+ * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
+ comparison if regno's are equal.
+ * calls.c (initialize_argument_informat): Add ecf_flags argument.
+ Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+ (expand_call): Update caller.
+ Avoid making a sibling call if argument size of the callee is larger
+ than argument size of the caller.
+ Call hard_function_value with outgoing set if in sibcall pass.
+ Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+
+ * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
+ Change LEAF_REGISTERS from an array initializer to actual array
+ identifier. Move static global variable into the function.
+ (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
+ sequences for leaf functions.
+ * global.c (global_alloc): Likewise.
+ * tm.texi (LEAF_REGISTERS): Update documentation.
+
+ * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
+ TARGET_FLAT leaf disabling hack.
+ (LEAF_REGISTERS): Changed from an array initializer to actual array
+ identifier to avoid duplication and remove the above hack.
+ (FUNCTION_OK_FOR_SIBCALL): Define.
+ * config/sparc/sparc.md (sibcall): New attr type. Use it almost
+ always like call attribute.
+ (eligible_for_sibcall_delay): New attribute.
+ (sibcall): New delay type.
+ (sibcall, sibcall_value, sibcall_epilogue): New expands.
+ (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
+ sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
+ * config/sparc/sparc.c (sparc_leaf_regs): New array.
+ (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
+ New functions.
+ (output_function_epilogue): Move part of the code into
+ output_restore_regs.
+ (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
+ TYPE_SIBCALL.
+ * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
+ prototypes.
+
+ * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
+ until infrastructure is finished.
+
+Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
+
+ * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
+ (save_parm_insns): Not here.
+
+2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_bzero): New function.
+ (expand_builtin): Handle bzero.
+
+ * builtins.def: Add BUILT_IN_BZERO.
+
+ * c-common.c (c_common_nodes_and_builtins): Provide builtin
+ prototype & function for bzero.
+
+2000-03-23 Michael Meissner <meissner@redhat.com>
+
+ * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
+ change adding TARGET_FP to the TF floating point insns, except for
+ trunctfsf2, which generates direct calls to truncdfsf2.
+
+2000-03-23 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
+ try to protect against middle-end changes that break binary
+ compatibility.
+ (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
+
+2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
+
+Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (expand_call): If TARGET is passed by reference and
+ is readonly, write a CLOBBER.
+
+2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin): Handle bcmp.
+
+ * builtins.def: Add BUILT_IN_BCMP.
+
+ * c-common.c (c_common_nodes_and_builtins): Provide builtin
+ prototype & function for bcmp.
+
+Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
+ (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
+ * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
+
+Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
+ alternative when using -fp64 -gp32.
+
+2000-03-22 Jason Merrill <jason@casey.cygnus.com>
+
+ * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
+
+ * frame.h (frame_state): Revert last change.
+ * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
+ * libgcc2.c (throw_helper): Revert last change.
+
+2000-03-22 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Don't promote the temporary.
+
+2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
+ * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
+ c_get_alias_set): Likewise.
+ * c-decl.c (duplicate_decls): Likewise.
+ * c-typeck.c (default_conversion,build_unary_op): Likewise.
+ * calls.c (initialize_argument_information): Likewise.
+ * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
+ Likewise.
+ * dwarfout.c (decl_class_context,output_type): Likewise.
+ * expr.c (get_inner_reference): Likewise.
+ * fold-const.c (simple_operand_p,fold): Likewise.
+ * function.c (aggregate_value_p): Likewise.
+ * stmt.c (expand_asm_operands): Likewise.
+ * varasm.c (named_section): Likewise.
+
+2000-03-22 Jason Merrill <jason@casey.cygnus.com>
+
+ Implement dwarf2 exception handling for the ARM.
+ * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
+ (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
+ REG_FRAME_RELATED_EXPR note.
+ (emit_sfm): Likewise.
+ (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
+ * dwarf2out.c (reg_save): Handle saving a register to itself.
+ (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
+ * except.c (eh_regs): Don't use the static chain reg if it's
+ callee-saved.
+ * frame.h (frame_state): Add cfa_saved field.
+ * frame.c (execute_cfa_insn): Set it.
+ * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
+ the epilogue.
+ * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
+ Now takes a parm.
+ (instantiate_virtual_regs): Adjust.
+ * tm.texi: Adjust.
+ * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+ * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+ * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
+
+ * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
+ (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
+
+2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def: New file.
+
+ * Makefile.in (TREE_H): Depend on builtins.def.
+
+ * builtins.c (built_in_names): Use builtins.def.
+
+ * tree.h (built_in_function): Likewise.
+
+2000-03-22 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (size_in_bytes): Return size_zero_node, not
+ integer_zero_node.
+
+2000-03-22 Geoff Keating <geoffk@cygnus.com>
+
+ * config/fp-bit.c (pack_d): Correct the case when a denormal
+ is rounded up and stops being denormal.
+
+2000-03-21 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (function_arg): Check for void_type_node
+ before using MUST_PASS_IN_STACK.
+
+2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
+
+ * regmove.c (combine_stack_adjustments_for_block): Check that
+ the stack pointer is a valid memory address.
+
+Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c: re-install Mar 16 emit_library_call merge.
+
+2000-03-21 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
+ we cannot be sure that if reload_completed base register will
+ be properly aligned.
+
+2000-03-21 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (delete_block): Fix typo last change.
+
+2000-03-21 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
+ not COMPLETE_TYPE_P, to check the type of the expression.
+
+2000-03-21 Michael Meissner <meissner@redhat.com>
+
+ * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
+ all floating point insns that just tested the macro
+ TARGET_HAS_XFLOATING_LIBS.
+ (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
+ used to only use the gprs.
+
+2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.h (COMPLETE_TYPE_P): New macro.
+ (COMPLETE_OR_VOID_TYPE_P): New macro.
+ (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
+ * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
+ * c-aux-info.c (gen_type): Use them.
+ * c-common.c (c_expand_expr_stmt): Likewise.
+ * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
+ grokdeclarator, grokparms, finish_struct, start_function,
+ store_parm_decls, combine_parm_decls): Likewise.
+ * c-parse.y (cast_expr): Likewise.
+ * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
+ c_size_in_bytes, c_alignof, build_component_ref,
+ build_indirect_ref, build_array_ref, convert_arguments,
+ build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
+ * calls.c (initialize_argument_information): Likewise.
+ * convert.c (convert_to_integer): Likewise.
+ * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
+ * dwarfout.c (location_or_const_value_attribute,
+ output_enumeration_type_die, output_structure_type_die,
+ output_union_type_die, output_type): Likewise.
+ * expr.c (safe_from_p, expand_expr): Likewise.
+ * function.c (assign_parms): Likewise.
+ * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
+ * tree.c (build_array_type, build_function_type,
+ build_method_type, build_offset_type, build_complex_type): Likewise.
+ * c-parse.c, c-parse.h: Regenerated.
+
+2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/rtems.h: Include config/rtems.h.
+
+Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
+ decl is a FUNCTION_DECL
+
+Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
+ function uses output registers. Don't save RP for leaf functions.
+ Do save RP even if no epilogue.
+ * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
+ (CALL_USED_REGISTERS): Unmark in registers.
+ (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
+ to near the middle.
+
+2000-03-20 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (bunordered): New expander.
+ (bordered): New expander.
+ (buneq): New expander.
+ (bunge): New expander.
+ (bungt): New expander.
+ (bunle): New expander.
+ (bunlt): New expander.
+ (bltgt): New expander.
+
+ * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
+ (ccr_bit_negated_p): New function.
+ (print_operand): For %C, generate appropriate cror for UNEQ,
+ UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
+
+2000-03-20 Andreas Jaeger <aj@suse.de>
+
+ * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
+ warning.
+
+ * tree.h (safe_for_unsave): Prototype.
+
+2000-03-20 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (stack_memref_p): Fix typo, reorg for readability.
+ (combine_stack_adjustments_for_block): Don't allow sp references
+ in the side of a set we're not fixing up.
+ * toplev.c (rest_of_compilation): Run combine_stack_adjustments
+ after life_analysis.
+
+2000-03-20 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Don't bother generating tail call
+ sequences if there are pending cleanups. Use
+ expand_start_target_temps/expand_end_target_temps to elide
+ cleanups created during sibcall expansion.
+
+2000-03-20 Geoff Keating <geoffk@cygnus.com>
+
+ * configure.in: Set $IFS to a value if it doesn't already have one
+ in the --enable-checking handling.
+ * configure: Regenerate.
+
+2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerated.
+
+Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (delete_noop_moves): Remove code attempting to
+ combine stack adjustments.
+
+2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
+ * except.c (emit_cleanup_handler): Use them.
+ (expand_end_all_catch): Likewise.
+ * function.c (fixup_var_refs): Likewise.
+ (expand_function_end): Clear catch_clauses_last.
+ * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
+ * except.h (struct eh_status): New field x_catch_clauses_last.
+ (catch_clauses_last): New define.
+
+ * Makefile.in (tree.o): Depend on HASHTAB_H.
+ * tree.c: Include hashtab.h.
+ (struct type_hash): Remove next field.
+ (TYPE_HASH_SIZE): Remove.
+ (TYPE_HASH_INITIAL_SIZE): New define.
+ (type_hash_table): Change type to htab_t.
+ (type_hash_eq, type_hash_hash, print_type_hash_statistics,
+ mark_hash_entry): New functions.
+ (init_obstacks): Allocate type hash.
+ (type_hash_lookup): Use htab functions.
+ (type_hash_add, mark_type_hash): Likewise.
+ (dump_tree_statistics): Call print_type_hash_statistics.
+
+2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000/t-aix41: New file.
+
+ * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
+
+Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * tm.texi (Driver): Fix typos and tweak entry for
+ INCLUDE_DEFAULTS.
+ Move misplaced STRUCT_FORCE_BLK entry ...
+ (Storage Layout): ... to here.
+ (Run-time Target): Recommend having TARGET_MASK_... helper macros.
+
+2000-03-19 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (delete_block): Delete the addr_vec along with the block.
+ (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
+ reference labels.
+
+ * fold-const.c (extract_muldiv): Apply type check for defined
+ overflow to multiply as well as divide.
+
+ * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
+
+2000-03-18 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (remove_unncessary_notes): Check that all
+ NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
+ associated NOTE_BLOCK.
+ * function.h (identify_blocks): Update comments.
+ (reorder_blocks): Declare.
+ * function.c (identify_blocks): Don't take paramters.
+ (reorder_blocks): Don't take parameters.
+ * loop.h (find_loop_tree_blocks): Remove.
+ (unroll_block_trees): Likewise.
+ * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
+ reorder_blocks instead of unroll_block_trees.h
+ * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
+ * stmt.c (find_loop_tree_blocks): Remove.
+ (unroll_block_trees): Likewise.
+ * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
+ in whole-function mode.
+ * tree.h (reorder_blocks): Remove declaration.
+
+ * expr.c: Include intl.h.
+ * Makefile.in (expr.o): Depend on intl.h.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (emit_move_insn_1): Clarify cannot_inline message.
+
+2000-03-18 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (tree_index): Remove enumerals for integer types.
+ (integer_type_kind): New type.
+ (integer_types): New variable.
+ (char_type_node): Adjust.
+ (signed_char_type_node): Likewise.
+ (unsigned_char_type_node): Likewise.
+ (short_integer_type_node): Likewise.
+ (short_unsigned_type_node): Likewise.
+ (integer_type_node): Likewise.
+ (unsigned_type_node): Likewise.
+ (long_integer_type_node): Likewise.
+ (long_unsigned_type_node): Likewise.
+ (long_long_integer_type_node): Likewise.
+ (long_long_unsigned_type_node): Likewise.
+ * tree.c (integer_types): New variable.
+ (init_obstacks): Register it as a root.
+
+Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
+ NEXT_INSN. Update last insn in chain.
+
+2000-03-17 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
+ with TYPE_DECL_SUPPRESS_DEBUG set.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (call_insn_operand): Always allow SYMBOL_REF,
+ care for HALF_PIC_P.
+ (expander_call_insn_operand): Remove.
+ (ix86_expand_epilogue): New arg `emit_return' to control return insn.
+ * i386.h (PREDICATE_CODES): Update.
+ * i386.md (all call expanders): Remove predicates, remove special
+ handling for half-pic.
+ (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
+ (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
+ (sibcall_epilogue): New.
+
+2000-03-17 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (single_set): Reject if the parallel has anything
+ except SET or USE or CLOBBER.
+
+2000-03-17 Jeff Law <law@cygnus.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (OBJS): Add sibcall.o.
+ (sibcall.o): New.
+ * sibcall.c: New file.
+ * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
+ (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
+ (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
+ Emit sibcall patterns when requested. Update all callers.
+ (expand_call): Generate CALL_PLACEHOLDER insns when tail call
+ elimination seems feasable.
+ * final.c (leaf_function_p): Sibling calls don't discount being
+ a leaf function.
+ * flow.c (HAVE_sibcall_epilogue): Provide default.
+ (find_basic_blocks_1): Sibling calls don't throw.
+ (make_edges): Make edge from sibling call to EXIT.
+ (propagate_block): Don't remove sibcall_epilogue insns.
+ * function.c (prologue, epilogue): Turn into varrays. Update all uses.
+ (sibcall_epilogue): New.
+ (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
+ (identify_blocks_1): Likewise. Break out from ...
+ (identify_blocks): ... here.
+ (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
+ (reorder_blocks): ... here.
+ (init_function_for_compilation): Zap prologue/epilogue as varrays.
+ (record_insns): Extend a varray instead of mallocing new memory.
+ (contains): Read a varray not array of ints.
+ (sibcall_epilogue_contains): New.
+ (thread_prologue_and_epilogue_insns): Emit and record
+ sibcall_epilogue patterns.
+ (init_function_once): Allocate prologue/epilogue varrays.
+ * genflags.c (gen_insn): Treat sibcall patterns as calls.
+ * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
+ Broken out from ...
+ (save_for_inline_nocopy): ... here.
+ (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
+ Broken out from ...
+ (expand_inline_function): ... here.
+ (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
+ (subst_constants): Handle 'n' formats.
+ * jump.c (jump_optimize_minimal): New.
+ (jump_optimize_1): New arg `minimal'; update callers. Elide most
+ optimizations if it's set.
+ * rtl.c (copy_rtx): Do copy jump & call for insns.
+ * rtl.h (struct rtx_def): Document use of jump and call for insns.
+ (SIBLING_CALL_P): New.
+ (sibcall_use_t): New.
+ * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
+ Invoke optimize_sibling_and_tail_recursive_calls.
+ * tree.c (lang_safe_for_unsave): New.
+ (safe_for_unsave): New.
+ * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
+
+ * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
+ * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
+ (*sibcall_osf_1, *sibcall_value_osf_1): New.
+
+2000-03-17 Mark Mitchell <mark@codesourcery.com>
+
+ * objc/objc-act.c (encode_method_prototype): Pass types, not
+ PARM_DECLs, to int_size_in_bytes.
+
+Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
+
+ * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+ config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
+
+Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Clean up usages of TREE_INT_CST_LOW.
+ * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerated.
+ * c-tree.h (min_precision): Move declaration to here.
+ * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
+ (build_unary_op, add_pending_init): Use bit_position.
+ (pending_init_member, process_init_element): Likewise.
+ (really_start_incremental_init, push_init_level, pop_init_level):
+ Don't make copies of nodes or modify them in place, use consistent
+ types when tracking positions, and use tree routines computations.
+ (set_init_index, output_init_element): Likewise.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
+ tree_low_cst and int_bit_position; also minor cleanup.
+ (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
+ (print_cst_octal): Precision is unsigned.
+ (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
+ * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
+ (simple_type_align_in_bits): Result is unsigned int.
+ Use tree_int_low_cst and host_integerp.
+ (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
+ (field_byte_offset): Result is HOST_WIDE_INT.
+ Change types of internal variables so alignments are unsigned int,
+ offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
+ Use host_integerp, tree_low_cst, and int_bit_position.
+ (add_bit_offset_attribute): Likewise.
+ (add_data_member_location_attribute): Use tree_cst_low.
+ (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
+ (add_bit_size_attribute): Use tree_low_cst.
+ (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
+ * dwarfout.c: Similar changes to dwarf2out.c.
+ * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
+ * genoutput.c (n_occurences): Return -1 for null string.
+ (strip_whitespace): Accept null string and make into function.
+ (scan_operands): Reflect above changes.
+ * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
+ (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
+ * ssa.c (rename_registers): Add missing cast of arg to bzero.
+ * tree.c (int_size_in_bytes): Check for too big to represent.
+ (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
+ * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
+ New declarations.
+ (min_precision): Delete from here.
+ * varasm.c (decode_addr_const): Use host_integerp, bit_position,
+ and int_bit_position.
+ * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
+ (encode_method_def): Likewise.
+ (build_ivar_list_initializer): Use int_bit_position.
+ (generate_shared_structures): Convert size.
+ (encode_type, encode_complete_bitfield): Use integer_zerop.
+ (encode_bitfield): Use tree_low_cst and int_bit_position.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CPP_SPEC): Fix typo.
+
+2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * call.c (special_function_p): It is only malloc if it returns
+ Pmode.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
+ (C33_FLAG, TARGET_C3X): Add macros.
+ (TARGET_SWITCHES): Add -m33 option.
+ * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
+ (PARALLEL_PACK_FLAG): Delete.
+ (TARGET_SWITCHES): Update.
+ (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
+
+Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold): Fix a few cases when the returned result
+ is not of the same type as the input.
+
+2000-03-16 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
+ warning.
+
+2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libgcc2.h: Move prototypes above macros with the same name.
+ Wrap some function prototypes in the conditional which indicates
+ whether they are supported, i.e. "BITS_PER_UNIT == 8".
+
+2000-03-16 Richard Henderson <rth@cygnus.com>
+
+ * calls.c: Revert last two changes.
+
+2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
+ has exponent 0 is a zero.
+
+ * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
+ HASH may already be nonzero. Add code/mode into hash value
+ immediately after repeat label.
+ (cselib_lookup): Don't leave the hash table in an inconsistent
+ state before a hash lookup operation.
+
+Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (all HI and QI mode non-move patterns): Conditionize
+ by TARGET_[HQ]IMODE_MATH.
+ * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+ x86_promote_qi_regs): Declare.
+ (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
+ TARGET_PROMOTE_QI_REGS): New macros.
+ (PROMOTE_MODE): New macro.
+ * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+ x86_promote_qi_regs): New global variables.
+
+Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (emit_library_call_value_1): Break out from ...; handle
+ VOIDmode function calls too.
+ (emit_library_call_value): ... here.
+ (emit_library_call): Implement by calling emit_library_call_value_1.
+
+Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Do sanity checking on arg_space_so_far.
+ Update arg_space_so_far on stack adjustments.
+ (emit_library_call, emit_library_call_value): Likewise; take into
+ account arg_space_so_far and pending_stack_adjust when calculcating
+ the boundary.
+
+Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c: Move all basic block reordering code into its own file.
+ (create_basic_block): Externalize.
+ * bb-reorder.c: New file. Copy all basic block reordering code from
+ flow.c to this file.
+ (reorder_basic_blocks): Fix fencepost error in for-loop.
+ (reorder_basic_blocks): Remove braces from single statement for-loops.
+ * basic-block.h: Add declaration for create_basic_block.
+ * Makefile.in: Add rules for bb-reorder.o.
+
+2000-03-16 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (handle_option): Implement #unassert directive
+ as -A- command line option.
+ (print_help): Update.
+ * cpptexi.c: Update.
+
+Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * md.texi (Standard Names): Document `jump'.
+
+2000-03-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (emit_call_1): Nothrow functions can still have nonlocal
+ gotos.
+
+2000-03-15 Geoff Keating <geoffk@cygnus.com>
+
+ Merge changes from newppc-branch onto trunk.
+
+ 2000-03-15 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_table): Update for new hash table functions.
+ (toc_hash_function): Likewise.
+ (toc_hash_eq): Likewise.
+ (toc_hash_mark_entry): Likewise.
+ (toc_hash_mark_table): Likewise.
+ (output_toc): Likewise.
+ (rs6000_add_gc_roots): Likewise.
+
+ 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
+ (AR_FLAGS_FOR_TARGET): here. New macro.
+
+ 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
+ fpmem_operand) Delete.
+ (xer_operand) New.
+ (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
+ (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
+ (rs6000_save_machine_status, rs6000_restore_machine_status,
+ rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
+ references to above variables.
+ (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
+ * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
+ DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
+ (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
+ (XER_REGNO_P, XER_REGNO): New.
+ (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
+ (PREDICATE_CODES): Change fpmem_operand to xer_operand.
+ (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
+ XER_REGNO_P.
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
+ REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
+ (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
+
+ 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
+ TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
+ * rs6000.h: from here.
+
+ * rs6000-protos.h (rs6000_select_section): Provide prototype.
+ (rs6000_select_rtx_section): Likewise.
+ (rs6000_encode_section_info): Likewise.
+ (sdata_section): Likewise.
+ (sdata2_section): Likewise.
+ (sbss_section): Likewise.
+ * sysv4.h (rs6000_select_section): Delete prototype.
+ (rs6000_select_rtx_section): Likewise.
+ (rs6000_encode_section_info): Likewise.
+ (sdata_section): Likewise.
+ (sdata2_section): Likewise.
+ (sbss_section): Likewise.
+ (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
+
+ * sysv4.h: Delete various unnecessary #undef's and put a comment
+ on the remaining ones.
+ Change various comments according to coding standard.
+
+ 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
+ CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
+ (CR0_REGNO_P) Remove.
+ * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
+ setup_incoming_varargs, mtcrf_operation, print_operand,
+ rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
+ Use the above macros.
+
+ 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.md: Added a new alternative for each
+ pattern that had a 'x' alternative but no 'y' alternative.
+ Added a new split for each of the above patterns.
+
+ 2000-02-18 Geoff Keating <geoffk@cygnus.com>
+
+ * aix41.h (ASM_CPU_SPEC): Delete.
+ (CPP_CPU_SPEC): Delete.
+
+ * aix.h (RS6000_OUTPUT_BASENAME): Define.
+ (ASM_OUTPUT_LABEL): Define.
+ (ASM_GLOBALIZE_LABEL): Define.
+ (STRIP_NAME_ENCODING): Define.
+ * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
+ (STRIP_NAME_ENCODING): Don't define.
+ (ASM_OUTPUT_LABEL): Don't define.
+ (ASM_GLOBALIZE_LABEL): Don't define.
+ * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
+ names, and ASM_OUTPUT_LABEL to output labels, rather than
+ asm_fprintf.
+ (ASM_OUTPUT_LABEL): Define.
+ (ASM_OUTPUT_INT): Use assemble_name.
+ (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
+ (STRIP_NAME_ENCODING): Don't undefine first.
+ (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
+ ELF.
+ (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
+ specified with 'asm' even with -fleading-underscore.
+ * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
+ (output_epilog): Likewise.
+ (output_toc): Likewise.
+ * tramp.asm: Handle -fleading-underscore correctly.
+
+ * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
+ -mminimal-toc.
+ (nonlocal_goto_receiver): Delete.
+ * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
+
+ * rs6000.h (ASM_OUTPUT_DEF): Don't define.
+ (SET_ASM_OP): Define.
+ * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
+
+ * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
+ (ASM_LONG): Define.
+
+ * rs6000.c (rs6000_dll_import_ref): Delete, not used.
+ * rs6000-protos.h (rs6000_dll_import_ref): Delete.
+
+ * rs6000.h: Add 'u' to more constants.
+
+ 2000-02-18 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (mfcr+shift): Delete PowerPC64 version.
+
+ 2000-02-15 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (reg_or_u_cint_operand): New function.
+ (logical_operand): Handle 64-bit hosts.
+ (logical_u_operand): New function.
+ (non_logical_cint_operand): Handle 64-bit hosts.
+ (non_logical_u_cint_operand): New function.
+ * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
+ (PREDICATE_CODES): Define new functions.
+ * rs6000-protos.h: Declare new functions.
+ * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
+ (movdi_64): Bracket code intended for 64-bit hosts. Create
+ CONST_DOUBLE for 32-bit values.
+ (scc insns): Generate DImode compares.
+ (mfcr insns): Create DImode versions.
+ (sge matchers): New patterns.
+
+ 2000-02-15 Gabriel Paubert <paubert@iram.es>
+
+ * rs6000.md: Correct instructions length attributes and
+ constraints on unsigned compare instructions.
+ (*ne0): Disable for PowerPC64.
+
+ 2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (output_function_profiler): Use .long for a 32-bit
+ quantity, fix profile1.C test failure under -fPIC.
+
+ * rs6000.c: Add 'u' to many constants to suppress warnings.
+ (constant_pool_expr_1): Make static.
+ (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
+ * rs6000.h: Add 'u' to many constants to suppress warnings.
+
+ * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
+ for the start of the TOC, instead of LCTOC..0.
+ * aix.h (toc_section): Use LCTOC..1 under AIX for the start
+ of the TOC.
+ * rs6000.md (load_toc_aix_si): Use LCTOC..1.
+ (load_toc_aix_di): Use LCTOC..1.
+
+ * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
+ * rs6000.c (rs6000_legitimize_address): New function from
+ LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
+ symbols in the constant pool that really are TOC references.
+ (print_operand_address): For ELF, write TOC offsets under
+ -fPIC as subtractions in the insn.
+ (output_toc): For ELF, define symbols in TOC as normal labels,
+ to match RTL.
+ (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
+ * rs6000-protos.h (rs6000_legitimize_address): Prototype.
+ (create_TOC_reference): Prototype only when RTX_CODE is defined.
+ * rs6000.md (movsi): Only use create_TOC_reference on
+ symbols in the constant pool that really are TOC references.
+
+ * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
+ * rs6000.c (rs6000_reorg): Delete.
+ * rs6000-protos.h (rs6000_reorg): Delete.
+
+ 2000-02-09 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
+
+ * aix.h (SETUP_FRAME_ADDRESSES): Define.
+ * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
+ [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
+ [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
+ * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
+ rs6000_aix_emit_builtin_unwind_init.
+ * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
+ rs6000_emit_eh_toc_restore on AIX.
+ (return_eh_si): Use r2.
+ (return_eh_di): Use r2.
+
+ * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
+ since we're breaking binary compatibility anyway.
+
+ 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
+ constant_pool_expr_p): Declare them.
+ (constant_pool_expr_p): Declare it.
+ * config/rs6000/rs6000.c (toc_label_name): Define.
+ (rs6000_override_options): Set toc_label_name.
+ (input_operand): Allow any TOC_RELATIVE_EXPR_P.
+ (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
+ uses_TOC): New functions.
+ (print_operand): Delete old '*' case.
+ (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
+ and strip off rtl for TOC before calling output_addr_const.
+ (rs6000_emit_load_toc_table): Use toc_label_name.
+ * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
+ the default.
+ (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
+ (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
+ (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
+ (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
+ into explicit TOC_REGISTER offsets.
+ (TOC_REGISTER): New macro.
+ * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
+ TARGET_TOC to reference TOC_REGISTER.
+ (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
+ * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
+ uses_TOC before emitting label references.
+
+ 2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (stack_tie): Fix warning.
+
+ * eabi-ctors.c: Use 'asm' names for the start/end variables,
+ to handle -fleading-underscore.
+ * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
+ (USER_LABEL_PREFIX): New macro.
+ (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
+ (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
+ * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
+ call-linux can use the same multilibs.
+ * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
+ and call-linux multilibs. Do multilib with -fleading-underscore.
+ (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
+ (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
+ to call-aix.
+
+ * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
+ have MASK_SOFT_FLOAT set.
+ (CPP_FLOAT_DEFAULT_SPEC): New macro.
+ (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
+ CPP_FLOAT_DEFAULT_SPEC.
+
+ * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
+ * rs6000.md: Whitespace change.
+ * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
+ * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
+
+ 2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (eh_epilogue): New expander.
+ (eh_reg_restore): New expand/split/insn combination.
+ (return_eh_si): New insn.
+ (return_eh_di): New insn.
+
+ * eabi-ci.asm: Put a label at the start of the .eh_frame section.
+ * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
+ * eabi-ctors.c (__do_global_ctors): Register this object's
+ frame. Clean up. Call atexit() after the constructors.
+ (__do_global_dtors): Deregister this object's frame. Clean up.
+ Allow for recursive calls to exit().
+ * rs6000.c (fixuplabelno): New variable.
+ * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
+ TARGET_RELOCATABLE, it slows down exec() under linux.
+ (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
+
+ * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
+ (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
+ (ASM_OUTPUT_DWARF_DELTA2): New macro.
+ (ASM_OUTPUT_DWARF_DELTA4): New macro.
+ (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
+ (ASM_OUTPUT_DWARF_ADDR): New macro.
+ (ASM_OUTPUT_DWARF_DATA4): New macro.
+ (ASM_OUTPUT_DWARF_DATA2): New macro.
+ (ASM_OUTPUT_DWARF_OFFSET4): New macro.
+ (ASM_OUTPUT_DWARF_OFFSET): New macro.
+ (UNALIGNED_INT_ASM_OP): New macro, fake definition.
+
+ 2000-02-03 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_sr_alias_set): New variable.
+ (rs6000_override_options): Initialise rs6000_sr_alias_set.
+ (rs6000_emit_stack_tie): New function.
+ (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
+ in a way that dwarf2out can understand.
+ (rs6000_frame_related): New function.
+ (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
+ RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
+ Use rs6000_emit_stack_tie when needed.
+ (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
+ RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
+ * rs6000.md (stack_tie): New insn.
+ (return_internal_si): Allow return value to be in the count
+ register.
+ (return_internal_di): Likewise.
+
+ * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
+
+ 2000-02-03 Geoff Keating <geoffk@cygnus.com>
+
+ * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
+
+ 2000-01-31 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
+
+ * rs6000.md (stmw): Use the right POWER opcode.
+ (lmw): Likewise.
+
+ 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000-protos.h: New file.
+
+ * rs6000.c: Include tm_p.h. Fix compile time warnings.
+
+ * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
+ warnings.
+
+ * sysv4.h: Likewise.
+
+ 2000-01-28 Geoff Keating <geoffk@cygnus.com>
+
+ * ../../configure.in: Delete powerpcle-*-winnt*
+ and powerpcle-*-pe|powerpcle-*-cygwin*.
+ * ../../configure: Regenerated.
+ * cygwin.h: Delete.
+ * rs6000.h (OBJECT_WINDOWS_NT): Delete.
+ (TARGET_WINDOWS_NT): Delete.
+ (ABI_NT): Delete.
+ (CALL_NT_DLLIMPORT): Delete.
+ Delete NT-specific code.
+ * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
+ * win-nt.h: Delete.
+ * t-winnt: Delete.
+ * nt-ci.asm: Delete.
+ * nt-cn.asm: Delete.
+ * ntstack.asm: Delete.
+
+ 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
+ (ASM_FILE_START): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ (ASM_OUTPUT_LABELREF): Likewise.
+ (ASM_OUTPUT_SKIP): Likewise.
+ (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+ (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ (ASM_OUTPUT_CASE_LABEL): Likewise.
+ (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
+ (ASM_OUTPUT_ASCII): Likewise.
+
+ 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
+
+ * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
+ reload_toc_labelno for non-prologue TOC reloads. Also, don't
+ increment rs6000_pic_labelno here.
+ (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
+ and increment rs6000_pic_labelno here.
+
+ 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
+
+ * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
+ rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
+ allocation knows (reg) is dead before the insn.
+
+ 2000-01-21 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi_to_cr): Correct typo in output template.
+
+ 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_pic_labelno): Always define.
+ (rs6000_pic_func_labelno): Delete.
+ (lmw_operation): Check for a zero base register,
+ which doesn't mean what we want.
+ (stmw_operation): New function.
+ (print_operand): Define new 'l' modifier.
+ (rs6000_stack_info): We must save all 64 bits of the registers
+ if TARGET_POWERPC64.
+ (rs6000_output_load_toc_table): Delete.
+ (rs6000_emit_load_toc_table): New function.
+ (rs6000_allocate_stack_space): Delete.
+ (rs6000_emit_allocate_stack): New function.
+ (rs6000_emit_prologue): New function.
+ (output_prolog): Use rs6000_emit_prologue.
+ (rs6000_emit_epilogue): Change a few variable names to be
+ more accurate. Restore all 64 bits of the registers if
+ TARGET_POWERPC64. Only restore the FP registers which were used
+ if they are being saved/restored one-at-a-time.
+ (output_mi_thunk): Delete inefficient code generation.
+ (output_function_profiler): Don't use rs6000_output_load_toc_table.
+ * rs6000.h: Declare rs6000_emit_load_toc_table,
+ rs6000_allocate_stack_space, stmw_operation. Don't declare
+ rs6000_output_load_toc_table.
+ * rs6000.md (elf_high): Allow register 0, but discourage it
+ heavily.
+ (elf_low): Support loading into register 0.
+ (load_toc_aix_si): New pattern.
+ (load_toc_aix_di): New pattern.
+ (load_toc_v4_pic_si): New pattern.
+ (load_toc_v4_pic_di): New pattern.
+ (load_toc_v4_PIC_1): New pattern.
+ (load_toc_v4_PIC_1b): New pattern.
+ (load_toc_v4_PIC_2): New pattern.
+ (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
+ (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
+ (prologue): New expander.
+ (movesi_from_cr): New pattern.
+ (stmw): New pattern.
+ (save_fpregs_si): New pattern.
+ (save_fpregs_di): New pattern.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
+ (movdi): Likewise.
+ (movhi): Likewise.
+ (movqi): Likewise.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
+ at present.
+ (movsi_got_internal): Likewise.
+ (movsi_got_internal+1): Likewise.
+ (set_sp): 'unspec 7' does a SImode clobber.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (floatsidf2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (floatsidf2_internal): Likewise.
+ (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
+ with unspec.
+ (floatunssidf2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (floatunssidf2_internal): Likewise.
+ (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
+ with unspec.
+ (floatsidf2_loadaddr): Delete.
+ (floatsidf2_store1): Delete.
+ (floatsidf2_store2): Delete.
+ (floatsidf2_load): Delete.
+ (fix_truncdfsi2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (fix_truncdfsi2_internal_si): Delete.
+ (fix_truncdfsi2_internal_di): Delete.
+ (fix_truncdfsi2_internal): New insn.
+ (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
+ (fix_truncdfsi2_store): Delete.
+ (fix_truncdfsi2_load): Delete.
+ (fctiwz): Produce gen_fctiwz.
+
+ 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
+
+ * eabi.h (INVOKE__main): Define.
+ * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
+ specially.
+ (rs6000_emit_prologue): Likewise.
+ * rs6000.h (struct rs6000_stack): Don't keep track of whether
+ this is the main program.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_va_arg): Delete some unused variables.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
+ goes after the argument.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md: Document 'unspec' values used.
+ (epilogue): New expander.
+ (movesi_to_cr_one): New expander.
+ (movesi_to_cr and following): New pattern.
+ (lmw): New pattern.
+ (return_internal_si): New pattern.
+ (return_internal_di): New pattern.
+ (return_and_restore_fpregs_si): New pattern.
+ (return_and_restore_fpregs_di): New pattern.
+ * rs6000.h: Declare new functions.
+ * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
+ rather than rs6000_calls_p.
+ (rs6000_makes_calls): Delete.
+ (lmw_operation): New function.
+ (mtcrf_operation): New function.
+ (rs6000_emit_epilogue): New function.
+ (output_epilog): Call rs6000_emit_epilogue and final if
+ !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
+ * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
+ * aix.h (SUBTARGET_SWITCHES): Document switches.
+ * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
+ sched-prolog and sched-epilog the same. Document all the
+ switches.
+ (TARGET_OPTIONS): No longer allow -mdebug-.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (ASM_FILE_END): Move to aix.h.
+ (EXTRA_SECTIONS): Move to aix.h.
+ (READONLY_DATA_SECTION): Move to aix.h.
+ (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
+ (SELECT_SECTION): Move to aix.h.
+ (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
+ (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
+ (LINK_REGISTER_REGNUM): New definition.
+ (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
+ (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
+ AIX and SVR4.
+ * sysv4.h: Delete the code between the inclusion of rs6000.h
+ and svr4.h.
+ (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
+ (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
+ (RS6000_REG_SAVE): Move generic definition to rs6000.h.
+ (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
+ * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
+ (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
+ (fix_truncdfsi2_internal_di): New pattern.
+ (fix_truncdfsi2_store): The second arg here is Pmode too.
+ (fix_truncdfsi2_load): The second arg here is Pmode too.
+ (tablejumpdi): Now that switch tables hold only SImode values,
+ gcc needs to know how to add them to the pc which is DImode.
+ * rs6000.c (rs6000_stack_info): Use symbolic name for
+ LINK_REGISTER_REGNUM.
+ (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
+ (output_toc): Delete unused variables s1 and s2.
+ (output_ascii): Use fputs not fprintf on a variable string.
+
+ 2000-01-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (processor_target_table): Add power3 as alias for 630.
+ * aix43.h: Revert Aug 2 change.
+ (HAS_INIT_SECTION): Define, not visible yet.
+ (LD_INIT_SWITCH): Define, not visible yet.
+ * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+ 2000-01-04 Joel Sherrill (joel@OARcorp.com>
+
+ * config/rs6000/rtems.h: Include config/rtems.h.
+
+ 2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (HANDLE_PRAGMA_PACK): Define.
+ (SLOW_UNALIGNED_ACCESS): Define.
+ (CASE_VECTOR_MODE): Always use 32-bit offsets.
+ (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+ (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
+ (toc_section): Likewise and .toc pseudo-op.
+ (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
+ 64-bit mode.
+ (TEXT_SECTION_ASM_OP): Likewise.
+ (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+ 32-bit offsets.
+
+ 1999-12-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
+ UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
+ compiling libgcc2.
+
+ 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h: Move more stuff from here...
+ * aix.h: to here.
+ * sysv4.h: Cleanup accordingly.
+ * netware.h: Likewise
+
+ 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h: Continue cleanup.
+ * aix.h: Likewise.
+ * lynx.h: Likewise.
+ * netware.h: Likewise.
+ * sol2.h: Likewise.
+ * sysv4.h: Likewise.
+ * win-nt.h: Likewise.
+
+ * rs6000.h (TARGET_SWITCHES): Add descriptions.
+ (TARGET_OPTIONS): Likewise.
+
+ * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
+ (SUBTARGET_OPTIONS): Likewise.
+
+ * rs6000.md: Fix compile time warnings.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ vxworks patches from the Cygnus tree originally by
+ Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
+ <vmakarov@cygnus.com>.
+ * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
+ (ENDFILE_SPEC): Likewise.
+ (LIB_VXWORKS_SPEC): New macro.
+ (STARTFILE_VXWORKS_SPEC): New macro.
+ (ENDFILE_VXWORKS_SPEC): New macro.
+ (LINK_START_VXWORKS_SPEC): New macro.
+ (LINK_OS_VXWORKS_SPEC): New macro.
+ (CPP_OS_VXWORKS_SPEC): New macro.
+ (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
+ * vxppc.h: Rewrite to use proper configuration method.
+ * vxppcle.h: New file.
+ * ../../configure.in: Add powerpcle-wrs-vxworks*.
+ * ../../configure: Rebuilt.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ Lots of changes to rs6000.h, sysv4.h, aix.h,
+ aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
+ with the aim that rs6000.h is the first header
+ included and the others override it.
+ * aix.h: New file.
+
+ * x-aix41-gld: Remove.
+ * x-aix43: Remove.
+ * x-aix41: Remove target-specific switches, and don't specify
+ -Wl,-bbigtoc as we don't need it any more.
+ * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
+ Use t-aix43 for AIX 4.3 and above.
+ * ../../configure: Regenerated.
+
+ * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
+ options, that don't do anything yet.
+ (MASK_SCHED_PROLOG): New macro.
+ (MASK_SCHED_EPILOG): New macro.
+ (TARGET_SCHED_PROLOG): New macro.
+ (TARGET_SCHED_EPILOG): New macro.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c: Correct comment, the `minimal' TOCs are actually
+ one per translation unit, not one per function.
+ (output_toc): Also do duplicate constant elimination
+ for per-translation-unit TOCs.
+
+ * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
+ a comment explaining _exactly_ when this pattern gets used.
+ (builtin_setjmp_receiver): New pattern for better clarity.
+ (init_v4_pic): Move it into a section dealing with TOC registers.
+
+ 1999-12-30 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_table): New variable.
+ (rs6000_hash_constant): New function.
+ (toc_hash_function): New function.
+ (toc_hash_eq): New function.
+ (toc_hash_mark_entry): New function.
+ (toc_hash_mark_table): New function.
+ (output_toc): Don't output duplicate TOC entries in
+ a single file.
+ (rs6000_add_gc_roots): Add the hash table as a GC root.
+ * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
+ where they clearly shouldn't be. This may need to be fixed
+ later when there is a GNU ar for AIX.
+ * x-aix43: Don't define CLIB or AR_FOR_TARGET.
+ Don't define BOOT_LDFLAGS as it is now not necessary.
+
+ 1999-12-29 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
+ for va_list on AIX. Use unsigned_char_type_node rather than
+ constructing our own version on svr4.
+
+ 1999-12-17 Geoff Keating <geoffk@cygnus.com>
+
+ * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
+ since patently it's not.
+
+ 1999-12-08 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
+ define_expand/define_insn pair, and handle restore of the
+ SVR4 -fpic register.
+
+Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
+
+ * acconfig.h (HAVE_GAS_WEAK): New define.
+ * configure.in (assembler weak support): Check for .weak support.
+ * config.in, configure: Rebuilt.
+ * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
+ HAVE_GAS_WEAK is defined.
+
+2000-03-15 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
+ asm_fprintf().
+
+2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): New function.
+ (find_include_file, cpp_read_file): Use it.
+
+2000-03-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpphash.c (dump_hash_helper): Take the slot, not the element.
+
+Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (verify_flow_info): Check for unconditional return.
+
+Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (restore_stack_nonlocal): New.
+ * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
+ (__ia64_restore_stack_nonlocal): New.
+ * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
+
+2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpphash.c (collect_formal_parameters): Do not complain about
+ parameter names that just start with `__VA_ARGS__'.
+
+Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
+ movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
+ * i386.c (pentiumpro_cost): Set mul cost to 4.
+ (x86_use_movx): Set for PPro.
+
+Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (ix86_compute_frame_size): stack_alignment_needed is
+ STACK_BOUNDARY for empty frames now.
+
+2000-03-14 Mark Mitchell <mark@codesourcery.com>
+
+ * stor-layout.c (layout_union): Remove.
+ (layout_union_field): New function, split out from layout_union.
+ (finish_union_layout): Likewise.
+ (layout_field): Handle unions by calling layout_union_field.
+ (finish_record_layout): Handle unions.
+ (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
+ QUAL_UNION_TYPE handling.
+
+Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
+ end of basic block is jump_insn, not barrier; use create_basic_block
+ instead of creating basic block by hand.
+
+2000-03-14 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (reorder_basic_blocks): Account for barriers when writing
+ over NEXT_INSN (last_bb->end).
+ (verify_flow_info): Add check for missing barriers.
+
+2000-03-14 Greg McGary <gkm@gnu.org>
+
+ * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
+ * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
+ * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
+ __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
+ __unbounded, __unbounded__): New keywords.
+ * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
+ * c-parse.y, c-parse.c, c-parse.h: Regenerate.
+ * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cselib.h: New file.
+ * alias.c: Include "cselib.h".
+ (fixed_scalar_and_varying_struct_p): Accept the addresses of the
+ MEMs as two new arguments.
+ (get_addr): New static function.
+ (find_base_term): Handle VALUEs.
+ (memrefs_conflict_p): Likewise.
+ (true_dependence): Call get_addr on the addresses.
+ Call fixed_scalar_and_varying_struct_p with addresses that have been
+ passed through get_addr and canon_rtx.
+ (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
+ with true_dependence.
+ Call get_addr on the addresses; don't call canon_rtx on the MEMs.
+ * loop.c: Include "cselib.h".
+ (load_mems): Process extended basic block that enters the loop with
+ cselib. Use that information to change initialization of the shadow
+ register so that a constant equivalence is seen by later passes.
+ * reload1.c: Include "cselib.h".
+ (reload_cse_invalidate_regno): Delete function.
+ (reload_cse_mem_conflict_p): Likewise.
+ (reload_cse_invalidate_mem): Likewise.
+ (reload_cse_invalidate_rtx): Likewise.
+ (reload_cse_regno_equal_p): Likewise.
+ (reload_cse_check_clobber): Likewise.
+ (reload_cse_record_set): Likewise.
+ (reg_values): Delete static variable.
+ (invalidate_regno_rtx): Likewise.
+ (reload_cse_delete_noop_set): New static function.
+ (reload_cse_simplify): New static function, broken out of
+ reload_cse_regs_1.
+ (reload_cse_noop_set_p): Delete unused argument INSN.
+ Just call rtx_equal_for_cselib_p on set source and destination.
+ (reload_cse_regs_1): Break out some code into reload_cse_simplify and
+ reload_cse_delete_noop_set. Delete code to keep track of values; use
+ cselib functions instead. Delete code to push/pop obstacks.
+ (reload_cse_simplify_set): Use cselib to find equivalent values.
+ Delete code to push/pop obstacks.
+ (reload_cse_simplify_operands): Likewise.
+ * rtl.def (VALUE): New rtx code.
+ * rtl.h (union rtunion_def): New elt rt_cselib.
+ (X0CSELIB, CSELIB_VAL_PTR): New macros.
+ * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
+ (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
+ unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
+ discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
+ hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
+ cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
+ cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
+ cselib_record_set, cselib_record_sets): New static functions.
+ (cselib_lookup, cselib_update_varray_sizes, cselib_init,
+ cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
+ references_value_p): New functions.
+ (MAX_USELESS_VALUES, REG_VALUES): New macros.
+ (table, cselib_current_insn, next_unknown_value, cselib_nregs,
+ n_useless_values, reg_values, callmem, cselib_obstack,
+ cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
+ New static variables.
+ * varray.h (union varray_data_tag): New elt te.
+ (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
+ * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
+ dependencies.
+
+2000-03-14 Nick Clifton <nickc@cygnus.com>
+
+ * gcc.c (do_spec_1): Catch the case where %* is used in a
+ substitution pattern, but it has not been initialised.
+ Issue a meaningful error message if an unrecognised operator
+ is encountered in a spec string.
+
+2000-03-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * function.c (prepare_function_start): Correctly initialize
+ cfun->stack_alignment_needed.
+
+2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (find_include_file): Don't assume nshort is a
+ substring of name.
+
+Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa configurations): Add pa32-regs.h to the
+ list of tm files as appropriate.
+ * configure: Rebuilt.
+ * pa.c (compute_frame_size): Remove explicit knowledge about FP
+ register numbering.
+ (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
+ (fmpyaddoperands, fmpysuboperands): Likewise.
+ * pa.h: Remove various definitions which depend on knowing
+ how registers are numbered.
+ * pa32-regs.h: New file with PA32 register numbering specific
+ definitions.
+
+2000-03-14 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (combine_stack_adjustments): New.
+ (stack_memref_p, single_set_for_csa): New.
+ (free_csa_memlist, record_one_stack_memref): New.
+ (try_apply_stack_adjustment): New.
+ (combine_stack_adjustments_for_block): New.
+ * rtl.h (combine_stack_adjustments): Declare.
+ * toplev.c (rest_of_compilation): Call it.
+
+ * i386.md: Revert 2000-01-16 change.
+
+2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * gccbug.in: Add web category, gcc specific classes.
+
+2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
+
+ * stor-layout.c (finalize_record_size): Fix typo.
+
+2000-03-14 Stan Shebs <shebs@apple.com>
+
+ * c-typeck.c (c_alignof): Error on incomplete types.
+ * extend.texi (Alignment): Document this.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Include mkdeps.h.
+ (find_include_file, read_include_file): Remove _cpp_ prefix
+ from name, make static.
+ (_cpp_execute_include): New function, broken out of
+ do_include.
+
+ * cpplib.c: Don't include mkdeps.h.
+ (struct directive): Remove type field. Reorder entries. The
+ function takes only one argument.
+ (struct if_stack): Make type field an int.
+ (directive_table): Rename to dtable. Generate it, the
+ prototypes of the directive handlers, and the enum for the
+ directive numbers, from a template macro.
+ (do_ifndef, do_include_next, do_import): New functions.
+ (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
+ do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
+ do_ident, do_assert, do_unassert, do_sccs): Take only one
+ argument.
+ (do_sccs): Define always, but alter behavior based on
+ SCCS_DIRECTIVE.
+ (_cpp_handle_directive, consider_directive_while_skipping):
+ Restructure for new directive table layout.
+
+ (pass_thru_directive): Take a directive number, not a pointer
+ to a struct directive.
+ (parse_include): New function, broken out of do_include.
+ (do_include, do_import, do_include_next): Use parse_include
+ and _cpp_execute_include.
+ (do_elif, do_else): Test for T_ELSE specifically when checking
+ for #elif/#else after #else.
+ (parse_ifdef): New function, broken out of do_ifdef.
+ (validate_else): Expect a name arg without a leading #.
+ (if_directive_name): Delete.
+ (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
+ directive handlers with only one argument.
+
+ * cpphash.h: Update prototypes.
+ (enum node_type): Remove entries for directives.
+ * Makefile.in: Update dependencies.
+
+ * cpphash.c (dump_hash_helper): Only dump nodes of type
+ T_MACRO. Emit a newline after each definition.
+
+2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * gccbug.in: New file.
+ * configure.in (all_outputs): Add gccbug.
+ * Makefile.in (install-common): Install gccbug.
+ (GCCBUG_INSTALL_NAME): New variable.
+ * configure: Rebuilt.
+
+2000-03-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * function.c (put_var_into_stack): Use type_for_mode to calculate
+ part_type. Use MEM_SET_IN_STRUCT_P.
+ * expr.c (store_field): Handle CONCAT.
+ (store_constructor): Use fields_length.
+ * tree.c (fields_length): New fn.
+ * tree.h: Declare it.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
+ (cpplex.o): New target.
+ * po/POTFILES.in: Add cpplex.c.
+
+ * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
+ cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
+ cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
+ skip_block_comment, skip_line_comment, skip_comment,
+ copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
+ _cpp_parse_name, skip_string, parse_string,
+ _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
+ _cpp_get_directive_token, find_position,
+ _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
+ (maybe_macroexpand, _cpp_lex_token): New functions.
+
+ * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
+ parse_goto_mark): Delete.
+ (_cpp_handle_eof): New function.
+ (_cpp_handle_directive): Rename from handle_directive.
+ (_cpp_output_line_command): Rename from output_line_command.
+ (do_if, do_elif): Call _cpp_parse_expr directly.
+ * cppfiles.c (_cpp_read_include_file): Don't call
+ init_input_buffer here.
+ * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
+ * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
+ here; pop the token_buffer and skip the rest of the line here.
+ * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
+ here.
+
+ * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
+ Define here.
+ (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
+ CPP_GOTO_MARK): New macros.
+ (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
+ _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
+ _cpp_read_and_prescan, _cpp_init_input_buffer,
+ _cpp_grow_token_buffer, _cpp_get_directive_token,
+ _cpp_handle_directive, _cpp_handle_eof,
+ _cpp_output_line_command): Prototype them here.
+ * cpplib.h (enum cpp_token): Add CPP_MACRO.
+ (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
+ quote_string, output_line_command): Remove.
+
+2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * stmt.c (expand_end_case): RANGE may be signed, and when checking
+ whether it is too large we must also verify that it isn't negative.
+
+2000-03-13 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
+ (movsi_zero_liveg0): Remove.
+ (movsf_insn_novis_liveg0): Remove.
+ (negsi2): Remove.
+ (negsi2_not_liveg0): Rename to negsi2.
+ (one_cmplsi2): Remove.
+ (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
+ (one_cmplsi2_liveg0): Remove.
+ * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
+ MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
+ (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
+ (PREDICATE_CODES): Remove zero_operand.
+ * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
+ TARGET_BROKEN_SAVERESTORE.
+ (zero_operand): Remove.
+ * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
+ -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
+ options.
+ (SUBTARGET_OVERRIDE_OPTIONS): Remove.
+ * config/sparc/linux-aout.h (TARGET_LIVE_G0,
+ TARGET_BROKEN_SAVERESTORE): Remove.
+ * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+ * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+ * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+
+ * config/sparc/sparc.md (return_df_no_fpu): New pattern.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_pragma_implementation): Fix off-by-one error
+ truncating a string. Don't assume tokens are nul terminated.
+ Problem noted by Andreas Jaeger <aj@suse.de>
+
+2000-03-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_name_and_src_coords_attributes): Only add
+ DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
+
+2000-03-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
+ STRUCTURE_SIZE_BOUNDARY.
+
+2000-03-13 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (record_layout_info_s): New structure.
+ (record_layout_info): New type.
+ (new_record_layout_info): New function.
+ (layout_field): Likewise.
+ (finish_record_layout): Likewise.
+ * stor-layout.c (layout_record): Remove.
+ (new_record_layout_info): New function.
+ (layout_field): New function, broken out from layout_record.
+ (finalize_record_size): Likewise.
+ (compute_record_mode): Likewise.
+ (finalize_type_size): New function, broken out from layout_type.
+ (finish_record_layout): Likewise.
+ (layout_type): Use them.
+
+2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c: Don't include version.h.
+ (special_symbol) [case T_VERSION]: Look for the string in
+ hp->value.cpval; don't use version_string.
+ * cppinit.c (initialize_builtins): Set hp->value.cpval for
+ __VERSION__ to version_string.
+ * Makefile.in (cpphash.o): Update deps.
+
+2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ Convert cpplib to use libiberty/hashtab.c.
+
+ * cpplib.h (struct cpp_reader): Make hashtab and
+ all_include_files of type 'struct htab *'. Delete HASHSIZE
+ and ALL_INCLUDE_HASHSIZE macros.
+
+ * cpphash.h: Update prototypes.
+ (struct hashnode): Remove next, prev, and bucket_hdr members.
+ Make length a size_t. Add hash member.
+ (struct ihash): Remove next member. Add hash member. Make
+ name a flexible array member.
+
+ * cppfiles.c: Include hashtab.h.
+ (include_hash): Delete.
+ (IHASHSIZE): New macro.
+ (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
+ (cpp_included): Do the hash lookup here.
+ (_cpp_find_include_file): Rewrite.
+ (cpp_read_file): Put the "fake" hash entry into the hash
+ table. Honor the control_macro, if it turns out we've seen
+ the file before. Don't push the buffer here.
+ (_cpp_read_include_file): Push the buffer here.
+ (OMODES): New macro. Use it whenever we call open(2).
+
+ * cpphash.c: Include hashtab.h.
+ (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
+ _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
+ _cpp_lookup_slot): New functions.
+ (HASHSIZE): new macro.
+ (hashf, _cpp_install, _cpp_delete_macro): Delete.
+ (_cpp_lookup): Use hashtab.h routines.
+
+ * cppinit.c: Include hashtab.h.
+ (cpp_reader_init): Call _cpp_init_macro_hash and
+ _cpp_init_include_hash. Don't allocate hashtab directly.
+ (cpp_cleanup): Just call htab_delete on pfile->hashtab and
+ pfile->all_include_files.
+ (initialize_builtins): Use _cpp_make_hashnode and
+ htab_find_slot to add hash entries.
+ (cpp_finish): Just call _cpp_dump_macro_hash.
+ * cpplib.c: Include hashtab.h.
+ (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
+ create hash entries.
+ (do_pragma_poison, do_assert): Likewise.
+ (do_include): Don't push the buffer here. Don't increment
+ system_include_depth unless _cpp_read_include_file succeeds.
+ (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
+ or htab_remove_elt.
+ (do_pragma_implementation): Use alloca to create copy.
+
+ * Makefile.in: Update dependencies.
+
+2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c (cl_directive_handler): More K&R fixing.
+
+Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
+ STACK_BOUNDARY.
+ * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
+
+2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
+ Change from char[] to macros.
+
+2000-03-12 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (cpp_start_read): Update indirect function
+ call to K&R C.
+
+Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
+ entry.
+
+ * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+ config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
+
+2000-03-11 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (struct pending option): Replace undef with a
+ pointer to a directive handling routine.
+ (struct cpp_pending): Replace separate assert_ and define_
+ lists with one directive_ list.
+ (new_pending_define): Rename new_pending_directive. Extra
+ argument is the directive's handling routine.
+ (handle_option): Update to use new_pending_directive.
+
+2000-03-11 Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (file_cleanup, _cpp_find_include_file,
+ remap_filename, _cpp_read_include_file, actual_directory,
+ hack_vms_include_specification): Replace bcopy(), index() etc
+ calls. Add casts to some allocations. Make some variables
+ pointers to const [unsigned] char.
+ * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
+ collect_formal_parameters): Similarly.
+ * cppinit.c (struct pending_option, append_include_chain,
+ cpp_options_init, cpp_reader_init, initialize_standard_includes,
+ cpp_start_read, new_pending_define, handle_option): Similarly.
+ * cpplib.c (cpp_define, copy_comment, do_define, do_include,
+ do_undef, do_error, do_warning, do_pragma, do_pragma_once,
+ do_pragma_implementation, detect_if_not_defined,
+ do_ifdef, skip_if_group, cpp_get_token, parse_string,
+ do_assert, do_unassert): Similarly.
+ * cpplib.h (cpp_buffer, cpp_options): Update types. Update
+ function prototypes.
+ * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
+
+2000-03-10 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Revert last change.
+ Use emit_insn_before if we're at the beginning of a sequence.
+
+2000-03-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Make sure that we have something
+ at the beginning of the sequence.
+
+ * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
+ deferred inlines.
+
+ * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
+
+2000-03-10 Richard Henderson <rth@cygnus.com>
+
+ * except.c (can_throw): Use INTVAL on a CONST_INT.
+ (reachable_handlers): Likewise.
+ * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
+
+2000-03-10 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
+ MD_STARTFILE_PREFIX since those are not needed on linux.
+ (ASM_FILE_START): New, from mips/gnu.h.
+
+2000-03-09 Richard Henderson <rth@cygnus.com>
+ Alex Samuel <samuel@codesourcery.com> and others
+
+ * Makefile.in (ssa.o): New rule.
+ (OBJS): Add ssa.o.
+ (STAGESTUFF): Add *.ssa and *.ussa.
+ (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
+ * rtl.def (PHI): New RTL expression.
+ * rtl.h (clear_log_links): New declaration.
+ (convert_to_ssa): Likewise.
+ (convert_from_ssa): Likewise.
+ * flow.c (split_edge): If the entry node falls through to the
+ split edge's source block, split the entry edge.
+ (clear_log_links): New function.
+ * toplev.c (ssa_dump): New variable.
+ (flag_ssa): Likewise.
+ (f_options): Add "ssa".
+ (compile_file): Create SSA dump files.
+ (rest_of_compilation): Go to and from SSA if enabled.
+ (decide_d_option): Handle -de for SSA dump files.
+ * ssa.c: New file.
+
+Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
+ same as VAR_DECL.
+
+2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
+
+ * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
+
+Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
+ (MD_STARTFILE_PREFIX_1): New macro.
+
+2000-03-09 Robert Lipe <robertl@sco.com>
+
+ * config/ia64/ia64.c: Include system.h.
+
+2000-03-09 Jason Merrill <jason@casey.cygnus.com>
+
+ * except.c (nothrow_function_p): If -fno-exceptions, just return.
+ (init_eh_nesting_info): Likewise.
+
+ * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
+ (TREE_NOTHROW): Rename from TREE_RAISES.
+ * toplev.c (rest_of_compilation): Set it.
+ * print-tree.c (print_node): Adjust.
+ * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
+ (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
+ * calls.c (emit_call_1): Add 'nothrow' parm. Add
+ REG_EH_REGION note as appropriate.
+ (libfunc_nothrow): New fn.
+ (emit_library_call, emit_library_call_value): Use it.
+ (expand_call): Check TREE_NOTHROW.
+
+ * varasm.c (make_decl_rtl): Skip initial '*' when setting
+ DECL_ASSEMBLER_NAME.
+
+2000-03-09 Andreas Jaeger <aj@suse.de>
+
+ * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
+ (TARGET_MEM_FUNCTIONS): Define.
+
+2000-03-09 Jason Merrill <jason@casey.cygnus.com>
+
+ * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
+
+ * except.c (can_throw): See through a SEQUENCE.
+ (nothrow_function_p): New fn.
+ * except.h: Declare it.
+ * function.c (current_function_nothrow): New var.
+ (prepare_function_start): Initialize it.
+ * output.h: Declare it.
+ * toplev.c (rest_of_compilation): Set it.
+ * dwarf2out.c (dwarf2out_begin_prologue): Use it.
+
+2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_formal_parameters): strncmp returns 0 for
+ match. (cpp_compare_defs): Count the nul separator when
+ advancing over argument names.
+
+2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * recog.c (preprocess_constraints): Matching constraints affect
+ same alternative/different operand, not same operand/different
+ alternative.
+
+ * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
+ register and a constant specially.
+
+2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libgcc2.h: New file.
+ * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
+
+Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
+
+ * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
+ * configure: Regenerate.
+ * config/ia64: New.
+
+2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LIBCPP_DEPS): New macro.
+ (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
+ it to declare deps.
+ * cpperror.c: Include cpphash.h.
+ * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
+ dingleberry.
+ (lex): Don't use CPP_WARN_UNDEF.
+ (_cpp_parse_expr): Return an int, the truth value.
+ * cppfiles.c: Include cpphash.h.
+ (_cpp_merge_include_chains): Move to cppinit.c and make static.
+ * cppinit.c (include_defaults_array): Disentangle.
+ (cpp_cleanup): Don't free the if stack here.
+ (cpp_finish): Pop off all buffers, not just one.
+ * cpplib.c (eval_if_expr): Return int.
+ (do_xifdef): Rename do_ifdef.
+ (handle_directive): Don't use CPP_PREPROCESSED.
+ (cpp_get_token): Don't use CPP_C89.
+ * fix-header.c: Don't use CPP_OPTIONS.
+
+ * cpplib.h: Move U_CHAR, enum node_type, struct
+ file_name_list, struct ihash, is_idchar, is_idstart,
+ is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
+ CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
+ CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
+ CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
+ CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
+ of _cpp_simplify_pathname, _cpp_find_include_file,
+ _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
+ Move struct if_stack to cpplib.c. Move struct cpp_pending to
+ cppinit.c.
+ Change all uses of U_CHAR to be unsigned char instead.
+ Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
+
+2000-03-08 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
+ (dwarf2out_begin_prologue): Set it.
+ (output_call_frame_info): Don't emit EH unwind info for leaves.
+
+ * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
+ can occur outside of an EH region.
+ * except.c: Correct comments about rethrow behavior.
+ (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
+
+2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (make_edges): Always call make_eh_edge for calls.
+
+2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
+ (struct cpp_buffer): Remove fname and underflow fields.
+ (struct cpp_reader): Remove get_token field.
+ (struct include_hash): Rename to struct ihash. Add typedef to
+ IHASH.
+ (struct if_stack): Remove fname field.
+ (IF_STACK_FRAME): Rename to IF_STACK.
+
+ * cpperror.c (print_containing_files): Trust that there are no
+ macro buffers below the top file buffer.
+ * cppfiles.c: Replace all references to 'struct include_hash'
+ with 'IHASH'. Rename initialize_input_buffer to
+ init_input_buffer. Don't set or reference cpp_buffer->fname,
+ use buffer->ihash->name instead.
+ * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
+ not CPP_NULL_BUFFER.
+ * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
+ IF_STACK_FRAME, IHASH not struct include_hash.
+ * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
+ null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
+ struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
+ references to cpp_buffer->fname (delete entirely, or use
+ ->ihash->name instead) and IF_STACK->fname.
+ (cpp_push_buffer): Don't set new->underflow.
+ (do_include): Use cpp_file_buffer.
+
+ * cpphash.c (collect_formal_parameters): Remove duplicate
+ increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
+ used as a macro argument name. Don't append "..." to namebuf
+ for varargs macros. After we're done scanning, go through
+ namebuf and make it NUL separated, not comma separated.
+ (_cpp_compare_defs): Remove register tag from variables.
+ Expect defn->argnames to be NUL separated.
+ (_cpp_dump_definition): Expect defn->argnames to be NUL
+ separated and in forward order.
+ * cpphash.h: Update documentation of argnames field.
+
+2000-03-08 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Be prepared for strlensi
+ to fail. Don't pre-expand the source operand.
+
+ * i386.md (strlensi): Initialize eoschar and align before use.
+
+2000-03-08 Jason Merrill <jason@casey.cygnus.com>
+
+ * expr.c (expand_expr, case ARRAY_REF): Still check for missing
+ CONSTRUCTOR element.
+
+2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
+
+ * mips.c (mips_expand_prologue): If the last
+ named argument is the vararg marker "va_list", treat it as
+ an unnamed argument.
+
+2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
+
+ * dbxout.c (dbxout_parms): When correcting for promoted
+ big-endian parameters, use the mode of the DECL_RTL rather
+ than UNITS_PER_WORD.
+
+2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (make_fname_decl): Declare.
+ * c-common.c (make_fname_decl): Define.
+ (declare_hidden_char_array): Remove.
+ (declare_function_name): Use make_fname_decl.
+ * c-decl.c (c_make_fname_decl): New function.
+ (init_decl_processing): Set make_fname_decl.
+
+Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * cccp.c (handle_directive): Initialize backslash_newlines_p.
+
+2000-03-07 Philipp Thomas <pthomas@suse.de>
+
+ * po/POTFILES.in: Remove cppalloc.c from file list.
+
+2000-03-07 Steve Chamberlain <sac@pobox.com>
+
+ * pj.c (pj_expand_prologue): current_function->args_info is
+ now current_function_args_info.
+
+ * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
+ LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
+ ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
+
+2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
+ output as hexadecimal rather than the default octal.
+
+2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (special_symbol): Fix thinko in previous commit.
+
+2000-03-07 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (struct operation, left_shift, right_shift,
+ cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
+ "int"s to "unsigned int"s.
+ * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
+ Similarly.
+ * cpplib.h: Update for above.
+ * mkdeps.c (deps_init, deps_calc_target): Cast pointers
+ returned from allocations.
+
+ * cppinit.c (opt_comp, parse_options): New functions.
+ (handle_option): Use parse_option to parse a single command
+ line option, that possibly takes an argument.
+ (cpp_handle_options): Sort the array of command line options on
+ first invocation (non-ASCII hosts only).
+ (print_help): Update.
+
+2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
+ backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
+
+ * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
+ initialized.
+ * cppinit.c (cpp_cleanup): Free imp->nshort also.
+
+ * cpperror.c (cpp_print_containing_files,
+ cpp_print_file_and_line, v_cpp_message): Rename to
+ print_containing_files, print_file_and_line, and v_message.
+ * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
+ to _cpp_parse_expr, parse_escape, and lex.
+ (parse_charconst): Remove broken multibyte support.
+ * cppfiles.c (include_hash): Make static.
+ (cpp_included): New function.
+ (merge_include_chains, find_include_file, finclude,
+ simplify_pathname): Rename to _cpp_merge_include_chains,
+ _cpp_find_include_file, _cpp_read_include_file, and
+ _cpp_simplify_pathname.
+ * cpphash.c (cpp_lookup, free_definition, delete_macro,
+ cpp_install, create_definition, macroexpand, compare_defs,
+ dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
+ _cpp_delete_macro, _cpp_install, _cpp_create_definition,
+ _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
+ * cppinit.c (cpp_handle_option): Rename to handle_option, make
+ static.
+ * cpplib.c: Remove extern prototype of cpp_parse_expr.
+
+ * cpphash.h: Update prototypes.
+ * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
+
+2000-03-07 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
+ PTRDIFF_TYPE should be based solely on Pmode.
+ (SIZE_TYPE): ditto.
+
+2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.h (rtunion_def): Constify member `rtstr'.
+ (emit_line_note_after, emit_line_note, emit_line_note_force,
+ emit_note, decode_asm_operands): Constify.
+
+ * cse.c (canon_hash): Likewise.
+
+ * dbxout.c (dbxout_block): Likewise.
+
+ * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
+ v_warning_for_asm): Likewise.
+
+ * dwarfout.c (function_start_label): Likewise.
+
+ * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
+ emit_line_note_force): Likewise.
+
+ * final.c (last_filename, asm_insn_count, final_scan_insn,
+ output_source_line): Likewise.
+
+ * function.h (struct emit_status): Likewise.
+
+ * gcse.c (hash_expr_1): Likewise.
+
+ * genattr.c (gen_attr, main): Likewise.
+
+ * genattrtab.c (struct function_unit, current_alternative_string,
+ write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
+ attr_numeral, check_attr_test, check_attr_value,
+ convert_set_attr_alternative, convert_set_attr,
+ compute_alternative_mask, simplify_by_exploding, gen_attr,
+ gen_unit): Likewise.
+
+ * genflags.c (gen_insn): Likewise.
+
+ * gengenrtl.c (type_from_format): Likewise.
+
+ * genopinit.c (gen_insn): Likewise.
+
+ * genoutput.c (n_occurrences, process_template, process_template):
+ Likewise.
+
+ * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+ Likewise.
+
+ * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+ Likewise.
+
+ * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
+ ggc_set_mark, ggc_get_size): Likewise.
+
+ * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
+
+ * optabs.c (init_one_libfunc): Likewise.
+
+ * output.h (assemble_start_function): Likewise.
+
+ * recog.c (decode_asm_operands): Likewise.
+
+ * toplev.c (rest_of_compilation): Likewise.
+
+ * tree.h (emit_line_note_after, emit_line_note,
+ emit_line_note_force): Likewise.
+
+ * varasm.c (asm_output_bss, asm_output_aligned_bss,
+ asm_emit_uninitialised, assemble_start_function,
+ assemble_variable, const_hash, compare_constant_1,
+ find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
+
+ * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
+
+ * alpha/alpha.md (call_vms, call_value_vms): Likewise.
+
+ * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
+ arm_dllimport_name_p): Likewise.
+
+ * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
+ Likewise.
+
+ * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+ * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
+ arm_mark_dllexport, arm_mark_dllimport,
+ arm_pe_encode_section_info): Likewise.
+
+ * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
+ ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * arm/thumb.c (thumb_function_prologue): Likewise.
+
+ * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
+ ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/i386-protos.h (asm_output_function_prefix): Likewise.
+
+ * i386/i386.c (asm_output_function_prefix): Likewise.
+
+ * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
+ ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
+ ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * m32r/m32r.c (m32r_encode_section_info): Likewise.
+
+ * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mcore/mcore.c (mcore_encode_section_info): Likewise.
+
+ * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
+
+ * mips/mips.md (movdi, movsi): Likewise.
+
+ * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
+ ASM_OUTPUT_ASCII): Likewise.
+
+ * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
+ output_mi_thunk, output_toc): Likewise.
+
+ * rs6000/rs6000.md (movsi): Likewise.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * v850/v850.c (print_operand, print_operand_address,
+ v850_encode_data_area): Likewise.
+
+2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.md (zero_extendsidi2): Always force operand
+ one to memory for mips16.
+
+Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
+ (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
+ (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
+ (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
+ (min_precision): Result is unsigned.
+ (add_double, neg_double, mul_double): Low word is unsigned.
+ (lshift_double, rshift_double, lrotate_double): Likewise.
+ (rrotate_double, div_and_round_double): Likewise.
+ (tree_floor_log2, compare_tree_int): New functions.
+ (preserve_rtl_expr_temps): New declaration.
+ * c-common.c (declare_hidden_char_array): Use compare_tree_int.
+ (decl_attributes): Use tree_log2 to find alignment.
+ Check for TREE_INT_CST_HIGH for format args.
+ (min_precision): Now unsigned.
+ Use tree_floor_log2.
+ (truthvalue_conversion): Delete long-disabled code.
+ * c-decl.c (finish_struct): Clean up tests on field width.
+ (finish_function): Use compare_tree_int.
+ * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
+ * c-typeck.c (comptypes): Use tree_int_cst_equal.
+ (default_conversion, digest_init): Use compare_tree_int.
+ (build_binary_op): Use integer_all_onesp and compare_tree_int.
+ Fix type errors in forming masks.
+ * calls.c (initialize_argument_information): Use compare_tree_int.
+ * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+ * except.c (expand_eh_region_start_tree): Use compare_tree_int.
+ * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
+ (store_field): Use compare_tree_int.
+ (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
+ (expand_expr, case ARRAY_REF): Use compare_tree_int.
+ (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
+ (do_store_flag): Use compare_tree_int.
+ * fold-const.c (encode, decode): Low part is always unsigned.
+ (force_fit_type, add_double, neg_double, mul_double): Likewise.
+ (lshift_double, rshift_double, lrotate_double): Likewise.
+ (rrotate_double, div_and_round_double, int_const_binop): Likewise.
+ (fold_convert): Use compare_tree_int.
+ (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
+ (invert_truthvalue, case INTEGER_CST): Likewise.
+ (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
+ * mkdeps.c (deps_dummy_targets): Make I unsigned.
+ * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
+ (lshift_double, rshift_double, lrotate_double, rrotate_double):
+ Likewise.
+ * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
+ (expand_end_case): Use compare_tree_int.
+ (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+ * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
+ (layout_decl): Likewise.
+ (layout_record, layout_union): Make sizes unsigned.
+ (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
+ (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
+ * tree.c (struct type_hash): hashcode is unsigned.
+ (build_type_attribute_variant, type_hash_list): Likewise.
+ (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
+ (attribute_hash_list, build_array_type, build_method_type): Likewise.
+ (build_complex_type): Likewise.
+ (real_value_from_int_cst): Remove unneeded casts.
+ (integer_all_onesp): Add casts.
+ (tree_floor_log2, compare_tree_int): New functions.
+ (build_index_type): Use tree_int_cst_sgn.
+ * varasm.c (assemble_variable): Use compare_tree_int.
+
+2000-03-06 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpphash.c (collect_expansion): Also catch ## at start of macro.
+
+ * varasm.c (make_decl_rtl): Don't add a number to members of
+ local classes.
+ (make_function_rtl): Likewise.
+
+2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
+ patch from 2000-01-28.
+
+2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/sh/sh.c: (barrier_align): Handle a delay slot that is
+ filled with an insn from the jump target.
+
+2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
+ (c4x_external_ref): Likewise.
+ * config/c4x/c4x.c (struct name_list): Likewise.
+
+1999-12-16 Ben Collins <bcollins@debian.org>
+
+ * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
+ argument to genmultilib.
+ * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
+ the contents into the multilib.h header.
+ * gcc.c: Declare multilib_exclusions for the specs file.
+ (set_multilib_dir): Use it.
+ (print_multilib_info): Likewise.
+ * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
+ to pass to genmultilib.
+
+2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (built_in_class_names, built_in_names): Constify a
+ char*.
+
+ * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
+ int.
+ (_mcleanup): Ensure value matches format specifier in sprintf.
+
+ * cpphash.c (special_symbol): Don't needlessly cast away
+ const-ness.
+
+ * cppinit.c (base_name): Delete unused prototype.
+
+ * mkdeps.c (deps_init): Make definition K&R safe.
+
+ * tree.h (built_in_class_names, built_in_names): Constify a
+ char*.
+
+2000-03-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
+ floating point instructions for epilogue delay.
+
+ * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
+ to gas if it supports .register pseudo.
+
+ * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
+ LONG_DOUBLE_TYPE_SIZE if not defined.
+ Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
+ LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
+ * real.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * print-rtl.c: Likewise.
+ * rtl.c: Likewise.
+ * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
+ MASK_LONG_DOUBLE_128.
+ * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
+ (SUBTARGET_SWITCHES): Define.
+ (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ (CC1_SPEC): Include -mlong-double-{64,128} as needed.
+ * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
+ (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
+ TARGET_LONG_DOUBLE_128): Define.
+ * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
+ long double on TARGET_ARCH64.
+
+2000-03-06 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (free_temps_for_rtl_expr): Don't free slots
+ that have been pushed into a higher level.
+
+ Revert this patch:
+ 2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+ * basic-block.h (ALLOCA_REG_SET): Remove.
+ (INITIALIZE_REG_SET): New macro.
+ * flow.c (update_life_info): Use it.
+ (calculate_global_regs_live): Likewise.
+ (propagate_block): Likewise.
+ * global.c (build_insn_chain): Likewise.
+ * haifa-sched.c (schedule_region): Likewise.
+
+2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
+
+ * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
+ (DWARF_ARANGES_PAD_SIZE): New define.
+ (output_aranges): Use it to pad the address range header.
+ (DWARF_ROUND): Fix for non power of 2 rounding.
+
+2000-03-05 Jason Merrill <jason@casey.cygnus.com>
+
+ * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
+
+2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (RTL_EXPR): Update documentation.
+ * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
+ * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
+ * function.c (preserve_rtl_expr_temp): New function.
+ (preserve_rtl_expr_temps): Likewise.
+ (preserve_rtl_expr_result): Use it.
+
+ Revert this patch:
+ 2000-03-04 Mark Mitchell <mark@codesourcery.com>
+
+2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
+
+ * regmove.c (copy_src_to_dest) Do not create src->dest move
+ for unchanging destination.
+
+2000-03-04 Mark Mitchell <mark@codesourcery.com>
+
+ * function.h (struct sequence_stack): Remove rtl_expr.
+ (struct emit_staus): Likewise.
+ (seq_rtl_expr): Remove.
+ * tree.h (free_temps_for_rtl_expr): Don't declare.
+ (start_sequence_for_rtl_expr): Likewise.
+ * rtl.h (preserve_rtl_expr_result): Likewise.
+ * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
+ (start_sequence_for_rtl_expr): Remove.
+ (push_topmost_sequence): Don't save sequence_rtl_expr.
+ (pop_topmost_sequence): Remove comment about not restoring it.
+ (end_sequence): Don't set seq_rtl_expr.
+ (init_emit): Don't initialize it.
+ (mark_sequence_stack): Don't mark it.
+ (mark_emit_status): Likewise.
+ * except.c (protect_with_terminate): Use
+ start_sequence_for_rtl_expr, not start_sequence.
+ * expr.c (expand_expr, case RTL_EXPR): Don't call
+ preserve_rtl_expr_result or free_temps_for_rtl_expr.
+ * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
+ (preserve_rtl_expr_result): Remove.
+ (free_temps_for_rtl_expr): Likewise.
+ (pop_temp_slots): Likewise.
+ (mark_temp_slot): Don't mark the rtl_expr.
+ * stmt.c (expand_start_stmt_expr): Use start_sequence, not
+ start_sequence_for_rtl_expr.
+
+2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * mkdeps.c, mkdeps.h: New files.
+ * po/POTFILES.in: Add them.
+ * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
+ (cpplib.o, cppinit.o): Depend on mkdeps.h.
+ (mkdeps.o): New target.
+
+ * cppfiles.c: Delete deps_output.
+ * cppinit.c: Include mkdeps.h. Delete known_suffixes,
+ OBJECT_SUFFIX, and base_name.
+ (cpp_cleanup): Use deps_free. Free ihash->name when clearing
+ the include hash.
+ (initialize_dependency_output): Use deps_init,
+ deps_add_target, deps_calc_target, and deps_add_dep. Remove
+ all the unnecessary string bashing.
+ (cpp_finish): Use deps_write. Remove an unnecessary nesting
+ level.
+ * cpplib.c (do_include): Use deps_add_dep.
+ * cpplib.h (struct cpp_reader): Replace deps_buffer,
+ deps_allocated_size, deps_size, deps_column members with
+ single pointer to a struct deps. Delete prototype of
+ deps_output.
+
+ * cppinit.c: Fix thinko in previous patch.
+
+Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
+ * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
+ (mode_for_size_tree): New function.
+ (layout_decl, layout_type): Call it and clean up BLKmode checks.
+ * tree.h (mode_for_size_tree): New declaration.
+
+ * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
+
+2000-03-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * stmt.c (is_body_block): Move...
+ * dwarfout.c, dwarf2out.c: ...from here.
+ * tree.h: Declare it.
+ * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
+ * final.c (final_start_function): Do call remove_unnecessary_notes
+ when scheduling.
+
+2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
+
+ * cpplib.h (_dollar_ok): New macro.
+ (is_idchar, is_idstart): Use it.
+ (IStable): Rename to _cpp_IStable. Declare it const if
+ gcc >=2.7 or C99. Delete all references to FAKE_CONST.
+ (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
+ is_space): Update for renamed IStable.
+
+ * cppinit.c: Delete all references to FAKE_CONST and CAT
+ macros. Define init_IStable as empty macro if gcc >=2.7 or
+ C99. Change TABLE() to ISTABLE and hardcode name of table.
+ (cpp_start_read): Don't change the IStable based on
+ dollars_in_ident.
+
+ * cpphash.c (unsafe_chars): Add pfile argument. All callers
+ changed. Handle '$' for char1 correctly.
+ * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
+
+ * cppexp.c (tokentab2): Make const.
+ (cpp_lex): Make toktab const.
+ * cppinit.c (include_defaults_array): Make const.
+ (initialize_standard_includes): Make default_include const.
+
+2000-03-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
+ (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
+ (gen_decl_die): Likewise.
+ * dwarfout.c (dwarfout_file_scope_decl): Likewise.
+ (output_decl): Likewise.
+
+ * varasm.c (make_function_rtl): If we change the name used in the
+ rtl, update DECL_ASSEMBLER_NAME accordingly.
+ (make_decl_rtl): Likewise.
+
+ * toplev.c (rest_of_compilation): Tweak formatting.
+
+ * toplev.c (rest_of_compilation): find_loop_tree_blocks before
+ remove_unnecessary_notes.
+ (debug_ignore_block): New fn.
+ * toplev.h: Declare it.
+ * emit-rtl.c (remove_unncessary_notes): Call it.
+ * dwarf2out.c (dwarf2out_ignore_block): New fn.
+ * dwarf2out.h: Declare it.
+ * final.c (final_start_function): Don't call remove_unnecessary_notes
+ if we did insn scheduling.
+
+2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
+ * cpplib.h: Delete SET_CPP_PEDANTIC.
+
+Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
+ result is a RECORD_TYPE.
+
+2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
+
+2000-03-03 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
+ addition over compliments over shifts.
+
+Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine_note_use): Handle return register USEs.
+ REG case: Handle multi-hard-register hard regs.
+
+Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * md.texi: Document use of '*' in insn pattern name.
+
+2000-03-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (special_function_p): operator new may not be malloc-like.
+
+ * gcse.c (dump_hash_table): Really fix error in last change.
+
+2000-03-02 Denis Chertykov <denisc@overta.ru>
+
+ * avr.c (print_operand): Use print_operand_address instead of
+ output_addr_const.
+ * avr/libgcc.S: Cleanup code.
+
+2000-03-02 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
+
+2000-03-02 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (TYPE_ALIGN_UNIT): New macro.
+
+2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
+
+ * i386.c: (constant_call_address_operand): Reject CONST_INT.
+
+2000-03-02 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
+ for the buffer.
+ (SET_CPP_PEDANTIC): New macro.
+ * cpplib.c (do_include): Don't bother checking system_header_p.
+ (do_warning, do_ident, do_assert, do_unassert): Likewise.
+ * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
+
+ * function.h (struct expr_status): Add x_arg_space_so_far.
+ (arg_space_so_far): New macro.
+ * expr.c (init_expr): Initialize it.
+ * calls.c (emit_call_1): Reset it.
+ (compute_argument_block_size, expand_call): Use it.
+ (expand_call, store_one_arg): Increment it.
+
+Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * varasm.c (output_constant): Strip off a CONVERT_EXPR to
+ a UNION_TYPE.
+
+2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_read_file): New function.
+
+ * cpphash.c (collect_expansion): Make sure to reset last_token
+ to NORM when we hit a string. Handle trailing whitespace
+ properly when the expansion is empty.
+ (create_definition): Disable line commands while parsing the
+ directive line.
+ (dump_definition): If pfile->lineno == 0, output a line
+ command ahead of the dump, and add a trailing newline.
+
+ * cppinit.c (append_include_chain): Add fifth argument, which
+ indicates whether or not system headers are C++ aware.
+ (initialize_standard_includes): New function,
+ broken out of read_and_prescan. Pass 'cxx_aware' value from
+ the include_defaults_array on to append_include_chain.
+ (dump_special_to_buffer): Const-ify char array.
+ (builtin_array): Don't dump __BASE_FILE__.
+ (cpp_start_read): Use cpp_read_file. Reorder code for
+ clarity. Don't output line commands here for -D/-A/-U
+ switches. Don't call deps_output for files included with
+ -include or -imacros.
+
+ * cpplib.c (do_define): Don't pay any attention to the second
+ argument.
+ (cpp_expand_to_buffer): Disable line commands while scanning.
+ (output_line_command): Work in the file buffer.
+ * cpplib.h: Remove no_record_file flag from struct cpp_reader.
+ Fix formatting of comments. Prototype cpp_read_file.
+
+Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
+ reference the language-equivalent of sizetype.
+ * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
+ * fold-const.c (size_binop, size_diffop): Put back checks.
+ * gcse.c (dump_hash_table): Fix minor error in last change.
+ * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
+ Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
+ all sizetypes.
+
+Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call) Do not attempt to combine stack adjustments
+ with inhibit_defer_pop set.
+
+2000-03-01 Mark Mitchell <mark@codesourcery.com>
+
+ * stor-layout.c (layout_decl): Allow front-ends to explicitly set
+ the DECL_SIZE for a FIELD_DECL.
+
+2000-03-01 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.tpl: remove unused symlinks
+ * fixinc/README: GCC Maintainer info
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.sh: regen
+
+2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_expansion): Trim trailing white space
+ from macro definitions, but don't go past the last insertion
+ point.
+
+Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (mulqi3): New pattern.
+
+2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
+ token types.
+ (struct cpp_reader): Add parsing_if_directive and
+ parsing_define_directive flags.
+ (struct cpp_options): Remove output_conditionals flag.
+ (check_macro_name): Delete prototype.
+
+ * cpphash.h (struct macrodef): Delete.
+ (struct reflist): Separate from struct definition.
+ (struct definition): Remove unused fields. Add column number.
+ (create_definition): Returns a DEFINITION *. Takes a
+ cpp_reader * and an int.
+
+ * cpphash.c (SKIP_WHITE_SPACE): Delete.
+ (PEEKC): Copy defn from cpplib.c.
+ (rest_extension, REST_EXTENSION_LENGTH): Delete.
+ (struct arg): New.
+ (struct arglist): Simplify.
+ (collect_expansion): Rewrite. Get tokens by calling
+ cpp_get_token. Add more error checking.
+ (collect_formal_parameters): New function, broken out of
+ create_definition and reworked to use get_directive_token.
+ (create_definition): All real work is now in collect_expansion
+ and collect_formal_parameters. do_define handles finding the
+ macro name. Return a DEFINITION, not a MACRODEF.
+ (macroexpand): Replace bcopy with memcpy throughout. Replace
+ character-at-a-time copy loop with memcpy and pointer increments.
+ (compare-defs): d1->argnames / d2->argnames might be null.
+
+ * cpplib.c (copy_rest_of_line): Delete function.
+ (skip_rest_of_line): Do all the work ourselves.
+ (skip_string): New function.
+ (parse_string): Use skip_string.
+ (get_macro_name): New function.
+ (check_macro_name): Delete.
+ (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
+ (cpp_skip_hspace): Use CPP_BUMP_LINE.
+ (handle_directive): ICE if we're called on a macro buffer.
+ (do_define): Determine macro name and type (funlike/objlike)
+ here. Expunge all uses of MACRODEF.
+ (cpp_push_buffer): Set line_base to NULL.
+ (do_undef, read_line_number): Don't worry about getting a POP token.
+ (eval_if_expression): Set/reset parsing_if_directive around
+ cpp_parse_expr. Don't clear only_seen_white.
+ (skip_if_group): Remove output_conditionals logic. Use
+ skip_rest_of_line.
+ (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
+ tokens under appropriate conditions.
+ (cpp_unassert): Call do_unassert not do_assert. Oops.
+
+ * cppexp.c (parse_defined): New function, break out of
+ cpp_lex.
+ (cpp_lex): We now get CPP_ASSERTION tokens and can check them
+ ourselves, with cpp_defined.
+ * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
+
+ * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
+ * gcc.dg/strpaste-2.c: New.
+
+2000-02-29 Mark Mitchell <mark@codesourcery.com>
+
+ * fold-const.c (size_binop): Don't asert inputs are the same and
+ have TYPE_IS_SIZETYPE set.
+ (size_diffop): Likewise.
+
+2000-02-29 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarfout.c (output_block): Output abstract blocks even if they
+ don't have TREE_ASM_WRITTEN set.
+
+ * calls.c (emit_library_call): Check for null REG.
+
+2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
+
+ * c-decl.c (current_function_decl): Move to toplev.c.
+ (init_decl_processing): Don't add current_function_decl as a ggc
+ root here.
+ * dbxout.c (dbxout_symbol): Change return type to int.
+ (dbxout_symbol_location, dbxout_syms): Likewise.
+ (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
+ any locals. Use current_function_func_begin_label if set.
+ * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
+ * dwarf2out.c (dwarf2out_begin_prologue): Set
+ current_function_func_begin_label.
+ * final.c (final_start_function): Reset it.
+ * toplev.c (current_function_decl): Define it here.
+ (current_function_func_begin_label): New variable.
+ (main): Add both as ggc roots.
+ * tree.h (current_function_func_begin_label): Declare.
+
+Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c: Cleanups throughout: mostly white-space, but also
+ some minor rearrangement of code.
+
+Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
+
+ * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
+ returns a PARALLEL. Use emit_group_load and use_group_regs
+ as needed.
+ (emit_library_call_value): Similarly.
+
+ * pa/t-pa: Use quadlib.c instead of quadlib.asm.
+ * pa/quadlib.asm: Remove.
+ * pa/quadlib.c: New file.
+
+ * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
+ * configure: Rebuilt.
+
+2000-02-29 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/conix-elf.h: New file.
+ * configure.in (arm*-*-conix*): New configuration.
+ * configure: Regenerate.
+
+2000-02-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (gen_block_die): Output abstract blocks even if they
+ don't have TREE_ASM_WRITTEN set.
+
+Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Eliminate DECL_FIELD_SIZE.
+ * builtins.c (built_in_class_names, built_in_names): New variables.
+ * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
+ * expr.c (expand_expr, case COMPONENT_REF): Get field size from
+ DECL_SIZE, not DECL_FIELD_SIZE.
+ * print-tree.c (print_node): Remove code that prints extra blank
+ lines in some cases.
+ Properly handle inline and builtin function cases.
+ * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
+ * tree.h (built_in_class_named, built_in_names): New declarations.
+ (union tree_decl): Rename internal unions to u1 and u2 and change
+ some of their components.
+ Add new field built_in_class.
+ (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
+ Reflect above changes.
+ (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
+ (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
+ * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
+ (encode_field_decl): Likewise; also remove obsolete test for bitfield.
+
+2000-02-28 Dmitri Makarov <dim@windriver.com>
+
+ * extend.texi: Document ARM's support for long/short calls.
+
+ * invoke.texi: Document ARM's -mlong-calls command line switch.
+
+ * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
+ (arm_encode_call_attribute): Add prototype.
+ (arm_set_default_type_attribute): Add prototype.
+ (arm_strip_name_encoding): Add prototype.
+
+ * config/arm/arm.c (arm_init_cumulative_args): replace
+ initialisation og 'long_calls' field with initialisation of
+ 'call_cookie' field.
+ (enum arm_pragma_enum): New enum.
+ (arm_pragma_long_calls): New static variable.
+ (arm_process_pragma): Also process "#pragma long_calls_off".
+ (arm_valid_type_attribute_p): Accept short_call attribute.
+ (arm_comp_type_attributes): Check long/short call attributes.
+ (arm_encode_call_attribute): New function: Encode long_call
+ or short_call attribute in function name.
+ (arm_set_default_type_attributes): New function: Assign
+ default attributes to newly defined type.
+ (current_file_function_operand): New function: Return true if
+ the symbol is a function which has already been compiled.
+ (arm_is_longcall_p): New function: Return true if the
+ indicated function should be called via a long call.
+ (arm_get_strip_length): New function. Returns number of
+ prefix characters to be stripped from a function's name.
+ (arm_strip_name_encoding): New function. Strip prefix characters
+ from a function's name.
+
+ * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
+ with 'call_cookie'.
+ (SHORT_CALL_FAG_CHAR): Define.
+ (LONG_CALL_FAG_CHAR): Define.
+ (ENCODED_SHORT_CALL_ATTR_P): Define.
+ (ENCODED_LONG_CALL_ATTR_P): Define.
+ (ARM_NAME_ENCODING_LENGTHS): Define.
+ (STRIP_NAME_ENCODING): Define.
+ (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
+ (ARM_ENCODE_CALL_TYPE): Define.
+ (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
+ (ARM_DECLARE_FUNCTION_SIZE): Define.
+ (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
+
+ * config/arm/arm.md (call): Call arm_is_longcall_p to decide
+ if a long call is needed.
+ (call_value): Ditto.
+ (call_symbol): Ditto.
+
+ * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
+ ARM_DECLARE_FUNCTION_SIZE.
+
+ * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
+ (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
+ (ARM_STRIP_NAME_ENCODING): Undefine.
+ (STRIP_NAME_ENCODING): Undefine.
+ (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
+ (ASM_DECLARE_FUNCTION_NAME): Ditto.
+ (ASM_OUTPUT_COMMON): Ditto.
+ (ASM_DECLARE_OBJECT_NAME): Ditto.
+
+ * config/arm/pe.c (arm_dllexport_name_p): Check for
+ ARM_PE_FLAG_CHAR.
+ (arm_dllimport_name_p): Ditto.
+ (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
+ (arm_mark_dllimport): Ditto.
+
+Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
+
+2000-02-28 Mark Mitchell <mark@codesourcery.com>
+
+ * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
+
+2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
+ * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
+ NO_BUILTIN_WCHAR_TYPE is not defined.
+ (CPP_WCHAR_TYPE): Delete.
+ * cccp.c (main): Don't change wchar_type if cplusplus.
+ (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
+
+2000-02-28 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
+
+Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
+
+ * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
+ (ASM_WEAKEN_LABEL): Define.
+
+Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (store_constructor): Do not emit USE.
+ * rtl.h (stupid_life_analysis): Remove.
+
+Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (number_blocks): Reset next_block_index based on
+ what debugging format is used, not what is defined.
+
+ * lcm.c: Minor reformatting throughout.
+ (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
+
+ * toplev.c (rest_of_compilation): Account for time in
+ optimize_mode_switching.
+
+ * jump.c (jump_optimize_1): Don't call delete_barrier_successors
+ if only marking labels.
+
+Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Attempt to combine stack adjustments with
+ pending stack adjustments.
+
+Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (reg_in_basic_block_p): Don't abort when falling through
+ to the end of the function.
+
+2000-02-27 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
+ blocks.
+ * final.c (next_block_index): Remove.
+ (max_block_depth): Likewise.
+ (pending_blocks): Likewise.
+ (init_final): Don't initialize them.
+ (final_start_function): Don't set next_block_index. Set up
+ BLOCK_NUMBER.
+ (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
+ * function.h (number_blocks): New function.
+ * function.c (get_block_vector): New function.
+ (identify_blocks): Use it.
+ (reorder_blocks): Set NOTE_BLOCK.
+ (number_blocks): New function.
+ * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
+ * tree.h (BLOCK_NUMBER): New macro.
+ (tree_block): Add block_num field.
+ * dbxout.c (next_block_number): Remove.
+ (dbxout_init): Don't set it.
+ (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
+ set. Use BLOCK_NUMBER, rather than next_block_num, to determine
+ block numbers.
+ * toplev.c (rest_of_compilation): Always call
+ find_loop_tree_blocks. Fix indentation.
+ * dwarf2out.c (next_block_number): Remove.
+ (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+ to determine block numbers.
+ (gen_inlined_subroutine_die): Likewise.
+ (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
+ (decls_for_scope): Don't increment next_block_number.
+ * dwarfout.c (next_block_number): Remove.
+ (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+ to determine block numbers.
+ (output_inlined_subroutine_die): Likewise.
+ (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
+ (output_decls_for_scope): Don't increment next_block_number.
+ * sdbout.c (next_block_number): Remove.
+ (sdbout_block): Use BLOCK_NUMBER.
+ (sdbout_begin_block): Simplify.
+ * xcoffout.c (next_block_number): Remove.
+ (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
+ (xcoffout_begin_block): Don't set next_block_number.
+ (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
+ next_block_number.
+
+Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
+ (expand_builtin_strcpy): Pass correct type to size_binop.
+ (expand_builtin_strcmp): Likewise.
+ Clean up conditional structure.
+ * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
+ (complete_array_type): Don't use size_binop for MAXINDEX.
+ * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
+ (c_sizeof_nowarn, c_size_in_bytes): Likewise.
+ (c_alignof): Use size_one_node.
+ (build_unary_op): Pass arg of proper type to size_binop.
+ (really_start_incremental_init, push_init_level): Use sizetype for
+ constructor{,_bit,_unfilled}_index.
+ (pop_init_label, output_init_element): Likewise.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * calls.c (compute_argument_block_size): Field VAR is ssizetype.
+ * expr.c (store_expr): Use size_int.
+ (store_constructor): Use proper types for size_binop args.
+ (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
+ (expand_expr_unaligned): Likewise.
+ (string_contant): Return object of sizetype.
+ * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
+ (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
+ (ARGS_SIZE_TREE): Pass proper types to size_binop.
+ * fold-const.c (int_const_binop): Refine when size_int is called.
+ (fold_convert): Likewise.
+ (size_int_wide): Rework to take KIND as arg, only take low order
+ bits, handle new sizetype_tab datatype, and chain entries in
+ size_table.
+ (size_int_type_wide): New function.
+ (size_binop): Validate types of arguments.
+ (ssize_binop): Deleted.
+ (size_diffop): New function.
+ (extract_muldiv): Only fold division into multiplication for sizetypes.
+ * function.c (assign_parms): Use size_diffop and make sure
+ VAR field is of ssizetype; also pass proper type to size_binop.
+ (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
+ (round_down): Deleted from here.
+ * store-layout.c (sizetype_tab): Now an array.
+ (sizetype_set, early_root_list): New variables.
+ (variable_size): Use size_one_node.
+ (round_up): Pass proper type to size_binop.
+ (round_down): Moved to here and corrected as above.
+ (layout_record): Pass proper arg types to size_binop.
+ (layout_type): Likewise.
+ If sizetype_set is zero, record the type just laid out.
+ (make_unsigned_type): Don't call set_sizetype;
+ (make_signed_type): Likewise; also, call fixup_signed_type.
+ (initialize_sizetypes): New function.
+ (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
+ set name of bitsizetype to "bit_size_type".
+ Fix up type of sizes of all types made before call.
+ * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
+ * tree.c (fix_sizetype): Deleted.
+ (build_common_tree_nodes): Call initialize_sizetypes.
+ (build_common_tree_nodes_2): Don't call fix_sizetype.
+ * tree.h (TYPE_IS_SIZETYPE): New macro.
+ (initialize_sizetype): New declaration.
+ (enum size_type_kind): New type.
+ (struct sizetype_tab): Deleted.
+ (sizetype_tab): Now array; adjust sizetype macros.
+ (size_diffop, size_int_type_wide): New functions.
+ (size_int_wide): Change number of args and type; access macros changed.
+ (ssize_int, sbitsize_int): New macros.
+ * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
+ (ROUND_TYPE_SIZE_UNIT): New macro.
+
+2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
+
+Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
+ Mark as possibly unused.
+
+ * cse.c (cse_insn): Delete dead code involving tablejump.
+ Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
+
+ * Makefile.in (libcpp.a): Start by deleting it.
+
+2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.h (enum file_change_code): Added rename_file.
+ * cpplib.c (do_line): If a filename is given, set file_change to
+ rename_file.
+ (output_line_command): If file_change is rename_file, always
+ output a # directive with the file name.
+
+ * cpplib.c (do_pragma): Accept #pragma without consecutive token.
+
+2000-02-26 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
+ when copying a PARM_DECL or RESULT_DECL.
+
+2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fix-header.c (recognized_function): Also fix prototypes for
+ functions taking "void".
+
+2000-02-26 Geoff Keating <geoffk@cygnus.com>
+
+ * reload1.c (do_output_reload): Check reg_reloaded_valid before
+ looking at reg_reloaded_contents.
+
+2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (STMP_FIXINC): New toggle.
+ (LIBGCC2_DEPS): Delete all references.
+ (stmp-headers): Delete target. All references either deleted
+ or changed to stmp-int-headers.
+ (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
+ (LIBCPP_OBJS): Take out cppalloc.o.
+ (cppalloc.o): Delete target.
+ (stmp-int-hdrs): Depend on $(STMP_FIXINC).
+ (gen-protos, fix-header): Link with libiberty.a.
+ * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
+ to empty.
+
+ * configure.in: Remove refs to strerror.
+ * acconfig.h: Take out NEED_DECLARATION_STRERROR.
+ * system.h: Take out strerror stanza.
+
+ * cpperror.c (my_strerror): Delete function.
+ (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
+ * cppmain.c (main): Call xmalloc_set_program_name first thing.
+ * cppalloc.c: Delete file.
+ * gen-protos.c: Don't provide xrealloc.
+
+ * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
+ xstrerror throughout.
+
+2000-02-26 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
+ match for DOS headers, too.
+ * fixinc/inclhack.sh,fixincl.x: Regenerate.
+
+2000-02-26 Geoff Keating <geoffk@cygnus.com>
+
+ * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
+ is right for most ELF targets.
+ * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
+ Let the default file use %U properly.
+ * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
+ default.
+
+ * config/fp-bit.c (pack_d): Properly handle rounding of denormal
+ numbers.
+
+Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (documented_lang_options): Correct spelling error.
+ (decode_d_option, decode_f_option, main): Likewise.
+
+ * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
+
+ * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
+ to tell assembler it is permitted to expand large constants.
+
+2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * protoize.c: (AUX_INFO_SUFFIX): New macro.
+ (aux_info_suffix): Use.
+ (SAVE_SUFFIX): New macro.
+ (save_suffix): Use.
+ (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
+ (gen_aux_info_file): Use aux_info_suffix instead of ".X".
+ (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
+
+ * invoke.texi (Running Protoize): Update documentation.
+
+2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
+
+2000-02-25 John Wehle (john@feith.com)
+
+ * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
+
+2000-02-25 Anthony Green <green@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Rebuild jump labels if
+ combine_instructions has created a new direct jump.
+ * combine.c (try_combine): Add new_direct_jump_p argument. Set it
+ when appropriate.
+ (combine_instructions): Call try_combine with new argument.
+ Return non-null value when new direct jump instruction is created.
+ * rtl.h: combine_instructions returns an int.
+
+Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): Replace the PATTERN of the insn with an new
+ jump when changing a computed jump into a jump to a known
+ target.
+
+Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
+
+ * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
+ to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
+
+ * i386.md (define_expand "clrstrsi"): Fix typo.
+
+Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
+
+ * rtl.texi: Fix typo.
+
+Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
+ UNITS_PER_WORD. Change caller initial_elimination_offset.
+ (rounded_frame_size): Take into account that argument pushed has
+ changed. Fix TARGET_ALIGN_DOUBLE problem.
+
+2000-02-25 Geoff Keating <geoffk@cygnus.com>
+
+ * haifa-sched.c (schedule_block): Explain the real reason
+ we delete REG_SAVE_NOTEs on the first insn of a block.
+ Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
+
+2000-02-24 Mark Mitchell <mark@codesourcery.com>
+
+ * input.h (push_srcloc): New function.
+ (pop_srcloc): Likewise.
+ * toplev.c (push_srcloc): Define it.
+ (pop_srcloc): Likewise.
+
+2000-02-24 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (life_analysis): When collecting reg info, clear
+ regs_ever_live.
+
+Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ Fix bug exposed by reload.c no longer rounding the frame
+ size to BIGGEST_ALIGNMENT:
+ * sh.c (rounded_frame_size): New function.
+ (sh_expand_prologue, sh_expand_epilogue): Use it.
+ (initial_elimination_offset): Likewise.
+
+Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
+ * sh-protos.h (sh_need_epilogue): Declare.
+ * sh.c (sh_need_epilogue_known): New static variable.
+ (sh_need_epilogue): New function.
+ (function_epilogue): Clear need_epilogue_known.
+ * sh.md (return): Split into expander / insn pattern.
+ Make the expander conditional on ! sh_need_epilogue ().
+
+2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * machmode.h (get_mode_alignment): Declare.
+ (GET_MODE_ALIGNMENT): Call it.
+ * stor-layout.c (get_mode_alignment): New function. Make
+ sure alignment is always power of 2.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386.h: Remove useless definition of "I386" and misleading
+ comment above it.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
+ under which TREE_PERMANENT will be set.
+ * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
+ build1): Use TREE_SET_PERMANENT.
+ * print-tree.c (print_node): Don't report value of
+ TREE_PERMANENT if ggc_p is true.
+
+ * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
+ decide whether to give a type a new alias set.
+ * objc/objc-act.c (build_objc_string_object): Never copy the string.
+ * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
+ of value of 'obstack'.
+
+
+2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
+
+2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
+ * cpplib.c (cpp_get_token): Produce them.
+ * cppexp.c (cpp_lex): Handle them.
+
+2000-02-23 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_comp_type_attributes): Simply and
+ comment tests on type attributes.
+
+Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * final.c (shorten_branches): Make value passed to LOOP_ALIGN
+ conform to documentation.
+ * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
+ to check for special cases.
+ * sh-protos.h (sh_loop_align): Declare.
+ * sh.c (sh_loop_align): Define.
+
+2000-02-22 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
+ (SIZE_TYPE): Is 32 bits when using -mgp32.
+ (PTRDIFF_TYPE): Ditto.
+
+Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
+ BIGGEST_FIELD_ALIGNMENT a constant.
+
+2000-02-21 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (output_line_info): Put the marker for the end of
+ the line number info at the actual end.
+ (gen_struct_or_union_type_die): Use decl_function_context
+ to check for local classes.
+ * dwarfout.c (output_type): Likewise.
+
+Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
+ for arguments with a mode, but no type.
+ (FUNCTION_ARG_CALLEE_COPIES): Similarly.
+ * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
+ * pa/long_double.h: New file.
+ * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
+ both have 128bit wide long doubles.
+ * configure: Rebuilt.
+
+2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
+
+ * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
+ fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
+ (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
+
+ * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
+
+ * integrate.c (compare_blocks, find_block): Likewise.
+
+ * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
+
+ * rtl.h (set_file_and_line_for_stmt): Constify a char*.
+
+ * stmt.c (stmt_status, set_file_and_line_for_stmt,
+ expand_asm_operands): Likewise.
+
+Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * predict.c (estimate_probability): Added the pointer heuristic to
+ the collection of static branch predictors.
+
+2000-02-21 Catherine Moore <clm@cygnus.com>
+
+ * config/mips/mips.h (ASM_SPEC): Add -mfix700.
+ * invoke.texi (-mfix7000): Document.
+
+2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (init_output_buffer): Make it possible to output at
+ least 32 characters if we're given a too long prefix.
+
+2000-02-20 Mark Mitchell <mark@codesourcery.com>
+
+ * varasm.c (initializer_constant_valid_p): Call
+ lang_expand_constant to simplify the constant.
+
+2000-02-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(stdio_va_list):
+ typedef needs to be disabled.
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+2000-02-20 Geoff Keating <geoffk@cygnus.com>
+
+ * print-rtl.c (print_rtx): Don't print addresses when
+ flag_dump_unnumbered.
+
+2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (sparc_output_scratch_registers): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (sparc_va_arg, sparc_flat_output_function_prologue,
+ sparc_flat_output_function_epilogue): Cast value to unsigned in
+ comparison.
+ (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
+
+ * sparc.md: Add default case in switch.
+
+2000-02-19 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (add_pending_init): Don't abort for multiple
+ fields at the same offset.
+ (pending_init_member): Test the correct member.
+
+2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
+ instead of SImode.
+ (start_catch_handler) : Same.
+
+2000-02-19 Brad Lucier (lucier@math.purdue.edu)
+
+ * Makefile.in: Have flow.o depend on $(EXPR_H)
+
+Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
+ * c-decl.c (duplicate_decls, finish_enum): Likewise.
+ (finish_decl): Remove -Wlarger-than code from here.
+ * flags.h (id_clash_len): Now int.
+ (larger_than_size): Now HOST_WIDE_INT.
+ * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
+ Clean up checking to see if in table.
+ (make_bit_field_ref): Remove extra parm to bitsize_int.
+ * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
+ * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
+ * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
+ and for computing size of decl.
+ * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
+ Move -Wlarger-than code to here.
+ (layout_record): Remove extra arg to bitsize_int.
+ Set TYPE_BINFO_SIZE_UNIT.
+ (layout_union): Remove extra arg to bitsize_int.
+ Use proper type for size of QUAL_UNION.
+ (layout_type): Remove extra arg to bitsize_int.
+ * toplev.c (id_clash_len): Now int.
+ (larger_than_size): Now HOST_WIDE_INT.
+ (decode_W_option): Clean up id-clash and larger-than- cases.
+ * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
+ (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
+ * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
+ (struct tree_decl): New field size_unit.
+ (size_int_wide): No HIGH operand; NUMBER is now signed.
+ (size_int_2): Deleted.
+ (size_int, bitsize_int): Don't use it and rework args.
+ * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
+
+Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
+
+2000-02-18 Geoff Keating <geoffk@cygnus.com>
+
+ * invoke.texi (Warning Options): Add an explanation of why
+ you might want the -Wfloat-equal flag.
+
+Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
+ * cppinit.c (new_pending_define): Add cast to avoid warning.
+ * expmed.c (extract_bit_field): Likewise.
+ * flow.c (enum reorder_skip_type): New type.
+ (skip_insns_between_blcok): New it.
+ Rework to avoid warning about possibly undefined variable.
+ * function.c (assign_parms): Make thisparm_boundary unsigned.
+ * genrecog.c (write_switch): Cast XWINT result to int.
+ * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
+ * mips-tfile.c (init_file): Make two versions of FDR intializer:
+ one for MIPS and one for Alpha.
+ (get_tag, copy_object): Add casts to avoid warnings.
+ * optabs.c (init_one_libfunc): Cast NAME to (char *).
+ * reload.c (find_reloads): Make TYPE enum reload_type.
+ * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
+ * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
+ * varasm.c (compare_constant_1): Add cast to avoid warning.
+ * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
+ to (char *).
+ (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
+ Cast switch operand of size to int.
+ (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
+ * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
+ in unhandled case.
+
+2000-02-18 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
+ anything for an alignment of zero.
+
+ * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
+ anything for an alignment of zero.
+
+2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
+
+ * gcc.texi (Bug Reporting): Refer to bugs.html.
+ (Bug Lists): Likewise.
+ * system.h (GCCBUGURL): New preprocessor define.
+ * rtl.c (fancy_abort): Use it.
+ * gcc.c (main): Likewise.
+
+2000-02-18 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
+ (life_analysis_1): Subsume into ...
+ (life_analysis): ... here. Force PROP_REG_INFO off after reload.
+ Use update_life_info for the relaxation.
+ (update_life_info): Update REG_BASIC_BLOCK for registers live on
+ entry and regs_live_at_setjmp.
+ (set_noop_p): Simplify.
+ (notice_stack_pointer_modification_1): Renamed from s/_1//.
+ (record_volatile_insns): Split into ...
+ (delete_noop_moves): ... here,
+ (notice_stack_pointer_modification): ... here,
+ (insn_dead_p): ... and here.
+ (propagate_block): Don't query INSN_VOLATILE.
+ (mark_used_regs): Mind !PROP_REG_INFO.
+ * toplev.c (rest_of_compilation): Call mark_constant_function here,
+ not in life_analysis.
+
+Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
+
+ * loop.c (canonicalize_condition): New function,
+ broken out of get_condition.
+ (get_condition): Use it.
+ * expr.h (canonicalize_condition): Prototype it.
+
+ * tree.h (tree_int_cst_msb): Declare.
+ * tree.c (tree_int_cst_msb): New function.
+
+2000-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
+ isn't set.
+
+ * invoke.texi (-fmessage-length=n): Document.
+
+2000-02-17 Jason Merrill <jason@casey.cygnus.com>
+
+ * bitmap.c (bitmap_operation): Don't leak bitmap elements.
+
+2000-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Put a line note
+ after the prologue.
+
+2000-02-17 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c: Replace includes of system headers with
+ #include "system.h".
+
+2000-02-16 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
+ Add crtbeginS.o and crtendS.o.
+ * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
+ (ENDFILE_SPEC): Use crtendS.o.
+ * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
+
+ * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
+ (__do_global_dtors_aux): ... here. Call __cxa_finalize if
+ shared and present.
+ (__dso_handle): New variable.
+ * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
+ bias to __CTOR_END__.
+
+2000-02-16 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
+
+Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * longlong.h (__clz_tab): Declare as static to match definition.
+
+2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
+ (XREF_FILE_NAME): Define.
+
+ * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
+ (EH_FRAME_SECTION_ASM_OP): Define.
+ (IDENT_ASM_OP): Define.
+ (TEXT_SECTION_ASM_OP): Define.
+ (CPP_SPEC): Define.
+ (CTORS_SECTION_ASM_OP): Define.
+ (CTOR_SECTION_FUNCTION): Use it.
+ (DTORS_SECTION_ASM_OP): Define.
+ (DTOR_SECTION_FUNCTION): Use it.
+
+2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
+
+ * reg-stack.c (emit_swap_insn): Do not put a new insn before a
+ NOTE_BASIC_BLOCK.
+
+ * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
+ debug_bb_n): New functions.
+ (dump_flow_info, print_rtl_with_bb): Use dump_regset.
+ * basic-block.h: Prototype new functions.
+
+Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
+
+ * configure.in: Add support for avr target.
+ * configure: Rebuilt.
+
+ * invoke.texi: Add AVR invocation docs.
+ * install.texi: Add information about AVR.
+ * md.texi: Add AVR constraint letters description.
+ * extend.texi: Add description for AVR specific attributes.
+
+2000-02-16 Jason Merrill <jason@casey.cygnus.com>
+
+ * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
+
+2000-02-16 Nick Clifton <nickc@cygnus.com>
+
+ * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
+ (make_insn_raw): Move RTL check here.
+
+2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * version.c: Include gansidecl.h and version.h.
+
+ * version.h: Wrap entire file in macro __GCC_VERSION_H__.
+
+ * configure.in (gcc_version): When setting, narrow search to
+ lines containing `version_string'.
+
+ * Makefile.in (mainversion): Likewise.
+ (GCC_H): New variable.
+ (gcc.h): Delete target.
+ (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
+ (version.o): Depend on version.h.
+ (dbxout.o): Don't depend on gcc.h.
+
+Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
+ Michael Meissner <meissner@cygnus.com>
+
+ * md.texi (Simple Constraints): Add item about whitespace.
+ * genoutput.c (strip_whitespace): New.
+ (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
+ strip_whitespace for constraints.
+ Test pointer using NULL, not 0.
+
+2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.c (do_line): Pedwarn for #line > 32767.
+
+ * c-lex.c (readescape): Warn about '\x', but do not reject it.
+
+2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
+ to default cpp spec.
+ (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
+ * cpp.texi: Document __GNUC_PATCHLEVEL__.
+ * cpp.1: Likewise.
+
+ * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
+ default spec.
+
+2000-02-15 Denis Chertykov <denisc@overta.ru>
+
+ * configure.in: Add support for avr target.
+
+Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
+ (sh_addr_diff_vec_mode): Don't declare.
+ * sh.c (sh_addr_diff_vec_mode): Delete.
+
+Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
+
+Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
+ (smulsi3_highpart_i): Name.
+ (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
+ (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
+ (smulsi3_highpart, umulsi3_highpart): Likewise.
+
+ (mulsidi3_i, umulsidi3_i): Make rtl describe operation
+ correctly independent of endianness.
+ (mulsidi3, umulsidi3): Now define_insn. Hide details that
+ confuse the optimizers.
+ (mulsidi3+1, umulsidi3+1): New define_split.
+
+Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
+
+ * config/sh/sh.md: Guard insn splits against illegal registers.
+ * config/sh/sh.h: Correct comment about macros.
+
+Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+ Andrew MacLeod <amacleod@cygnus.com>
+
+ * Makefile.in (lcm.o): Depend on insn-attr.h.
+ * basic-block.h (optimize_mode_switching): Declare.
+ * lcm.c (tm_p.h, insn-attr.h): #include.
+ (seginfo, bb_info): New structs.
+ (antic, transp, comp, delete, insert) : New file-scope static variables.
+ (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
+ (reg_becomes_live, optimize_mode_switching): Likewise.
+ * tm.texi: Add description of mode switching macros.
+ * toplev.c (rest_of_compilation): Call optimize_mode_switching.
+
+ * sh-protos.h (remove_dead_before_cse): Remove prototype.
+ (fldi_ok, fpscr_set_from_mem): New prototypes.
+ * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
+ (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
+ Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+ (sh_flag_remove_dead_before_cse): Remove declaration.
+ (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
+ (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
+ (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
+ * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+ (barrier_align): Allow for JUMP_INSNS containing a parallel.
+ (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
+ (fldi_ok): New function.
+ (get_fpscr_rtx): Add fpscr_rtx as GC root.
+ (emit_sf_insn): Only generate fpu switches when optimize < 1.
+ (emit_df_insn): Likewise.
+ (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
+ (sh_flag_remove_dead_before_cse): Delete.
+ (get_free_reg, fpscr_set_from_mem): New functions.
+ * sh.md (movdf, movsf): Remove no_new_pseudos code.
+ (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
+
+2000-02-15 Loren Rittle <ljrittle@acm.org>
+
+ * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
+
+2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
+ cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
+
+ * cccp.c: Include version.h and/or don't declare `version_string'.
+ * collect2.c: Likewise.
+ * alpha.c: Likewise.
+ * arm/aof.h: Likewise.
+ * arm/coff.h: Likewise.
+ * arm/elf.h: Likewise.
+ * arm/pe.h: Likewise.
+ * arm/tcoff.h: Likewise.
+ * arm/telf.h: Likewise.
+ * arm/tpe.h: Likewise.
+ * arm/vxarm.h: Likewise.
+ * convex/convex.c: Likewise.
+ * i386/dgux.c: Likewise.
+ * i386/sun386.h: Likewise.
+ * m88k/m88k.c: Likewise.
+ * mcore/mcore-pe.h: Likewise.
+ * mips/mips.h: Likewise.
+ * romp/romp.h: Likewise.
+ * sh/sh.c: Likewise.
+ * cpphash.c: Likewise.
+ * cppinit.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * gcc.c: Likewise.
+ * gcc.h: Likewise.
+ * mips-tfile.c: Likewise.
+ * protoize.c: Likewise.
+ * toplev.c: Likewise.
+ * tree.h: Likewise.
+
+ * version.c (version_string): Constify a char*.
+
+ * version.h: New file.
+
+2000-02-14 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add mcore-elf and mcore-pe targets.
+ * configure: Regenerate.
+
+ * NEWS: Add note that MCore port has been contributed.
+
+ * invoke.texi: Document command line switches for MCore port.
+ * install.texi: Add MCore to list of supported targets.
+
+2000-02-14 Geoff Keating <geoffk@cygnus.com>
+
+ * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
+ then we will need to import the frame handling functions.
+ (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
+ to import the frames themselves.
+
+Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
+ Jason Eckhardt <jle@cygnus.com>
+
+ * basic_block.h: Added prototype for reorder_basic_blocks.
+ * toplev.c: Changes to add -freorder-blocks and graph dump after
+ block reordering is done.
+ * flow.c (reorder_block_def): New structure for use during block
+ reordering.
+ (REORDER_BLOCK_*): New macros to access members of above structure.
+ (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
+ make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
+ functions for block reordering.
+
+Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * gcc.texi (Passes): Fix typo.
+ * md.texi (Standard Names): Ditto.
+ * tm.texi (Storage Layout): Ditto.
+
+2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_define): Only free the old definition if it
+ actually had one.
+
+2000-02-13 Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (read_and_prescan): When emitting deferred
+ newlines, test speccase[] again instead of checking each
+ possible whitespace character in turn. When we encounter \r,
+ look behind for \n first, then ahead.
+
+2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cse.c (cse_altered): New internal flag.
+ (cse_insn): Set it if we changed an insn.
+ (cse_main): Clear cse_altered before each basic block.
+ Only garbage collect if cse_altered is true afterward.
+
+Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
+
+Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (simplify_comparison): Fix typo.
+
+Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
+
+ * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
+ consistently.
+
+2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
+ previously inserted node instead of root node. Caller changed.
+
+2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
+
+2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
+ __dereg_frame_dtor): Add prototype argument.
+
+ * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-vxworks.h (__gthread_once): Likewise.
+
+ * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
+
+Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
+ (ix86_expand_epilogue): ... here. Use mov instead of add to restore
+ stack pointer in functions w/o saved registers, output LEAVE more often
+ on TARGET_USE_LEAVE machines.
+
+2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
+
+ * config/arm/arm.c (arm_init_cumulative_args); New function:
+ Initlaise the CUMULATIE_ARGS strcuture for a function
+ defintion.
+ (arm_function_arg): New function: Determine where to place a
+ function's argument. Also handles deciding the function's
+ call cookie.
+ (current_file_function_operand): New function: Return true if
+ the symbol is a function which has already been compiled.
+ (arm_is_long_call_p): New function: Return true if the
+ indicated function should be called via a long call.
+ (arm_valid_type_attribute_p): New function: Return true if the
+ attribute is a valid, arm specific, attribute.
+ (arm_comp_type_attribute): New function: Return true if the
+ two types have compatable, arm specific, attributes.
+
+ * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
+ structure.
+ (FUNCTION_ARG): Redefine to call arm_function_arg.
+ (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
+ structure field.
+ (INIT_CUMULATIVE_ARGS): Redefine to call
+ arm_init_cumulative_args.
+ (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
+ field.
+ (SETUP_INCOMING_VARARGS): Redefine to use correct structure
+ field.
+ (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
+ functions.
+ (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
+ (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
+ (COMP_TYPE_ATTRIBUTES): Define.
+
+ * config/arm/arm.md (call): Call arm_is_long_call_p to decide
+ if a long call is needed.
+ (call_value): Call arm_is_long_call_p to decide if a long call
+ is needed.
+ (call_symbol): Call arm_is_long_call_p to decide if a long call
+ is needed.
+
+ * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
+
+2000-02-11 Denis Chertykov <denisc@overta.ru>
+
+ * README.AVR: New file with information about the avr ports.
+ * config/avr: New directory with avr port files.
+
+2000-02-11 Andreas Jaeger <aj@suse.de>
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
+
+2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c: Fix formatting, update commentary.
+ (dump_definition): Take three separate arguments instead of a
+ MACRODEF structure argument.
+ * cpphash.h: Update prototype of dump_definition.
+ * cppinit.c (cpp_finish): Update call of dump_definition.
+
+ * cpplib.c (do_define): Always create new hash entry with
+ T_MACRO type. Remove redundant check for redefinition of
+ poisoned identifier. Update call of dump_definition.
+ (do_undef): Don't call check_macro_name. Rename sym_length to
+ len.
+ (do_error, do_warning): Don't use copy_rest_of_line or
+ SKIP_WHITE_SPACE.
+ (do_warning): Don't use pedwarn for the actual warning,
+ only the notice about its not being in the standard. (Fixes
+ bug with #warning in system headers.)
+ (do_ident): Stricter argument checking - accept only a single
+ string after #ident. Also, macro-expand the line.
+ (do_xifdef): Use cpp_defined. De-obfuscate.
+
+ (do_pragma): Split out specific pragma handling to separate
+ functions. Use get_directive_token. Update commentary. Do
+ not pass on #pragma once or #pragma poison to the front end.
+ (do_pragma_once, do_pragma_implementation, do_pragma_poison,
+ do_pragma_default): New.
+
+Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (jump_optimize_1): The first operand in a relational
+ can be a CONST_INT.
+ * optabs.c (emit_conditional_move): Handle relationals which
+ have a known true/false result.
+
+2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't insert
+ a RETURN insn into a block which already ends with a jump.
+
+2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * haifa-sched.c (BUF_LEN): Increase a lot.
+
+2000-02-11 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add tm_p_file specification for thumb targets.
+ * configure: Regenerate.
+
+ * config/arm/thumb-protos.h: New file: Prototypes for exported
+ functions defined in thumb.c.
+
+2000-02-11 Robert Lipe <robertl@sco.com>
+
+ * Makefile.in (bootstrap-lean): Remove additional files.
+ (bootstrap2-lean): Likewise.
+ (VOL_FILES): List of files for above.
+
+2000-02-11 Nathan Sidwell <nathan@acm.org>
+
+ * cpphash.c (special_symbol): Remove spurious argument to
+ cpp_lookup.
+
+2000-02-11 Joel Sherrill (joel@OARcorp.com>
+
+ * configure.in: (i*86-*-rtems*): Swapped elf and coff
+ stanzas.
+ * configure: Rebuilt.
+
+2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
+
+Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c, pa.h: Remove trigraph sequences within comments.
+
+Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
+
+ * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
+
+Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
+
+ * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
+
+2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
+
+2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
+ (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
+ (ASM_FILE_END): Use c4x_file_end.
+ * config/c4x/c4x.c (c4x_global_label): New function.
+ (c4x_external_ref, c4x_file_end): Likewise.
+
+ * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
+ (c4x_external_ref, c4x_end_file): Likewise.
+
+2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c: Don't include cpphash.h.
+ (parse_charconst, cpp_lex): Use cpp_defined.
+ (cpp_lex): Use get_directive_token throughout. Remove
+ unnecessary cases from switch. Move assertion-handling code
+ down to OTHER case.
+ (cpp_parse_expr): If we see '+' or '-', check the context to
+ determine if they are unary or binary operators. Streamline
+ the jumps a bit. Do not call skip_rest_of_line.
+
+ * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
+ static. Export get_directive_token. Update commentary.
+ (cpp_defined): New function.
+ (do_define): Remove reference to T_PCSTRING. Call
+ free_definition to release memory for old definition, when
+ redefining a macro.
+ (eval_if_expression): Set only_seen_white to 0 before calling
+ cpp_parse_expr. Call skip_rest_of_line after it returns.
+ (cpp_read_check_assertion): Don't preserve a pointer into the
+ token buffer across a call to cpp_get_token.
+
+ * Makefile.in (cppexp.o): Don't depend on cpphash.h.
+ * cppfiles.c (redundant_include_p): Use cpp_defined.
+ * cpphash.c (free_definition): New function.
+ (delete_macro): Use it. Update commentary.
+ * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
+ free_definition.
+ * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
+ from enum node_type. Prototype cpp_defined and get_directive_token.
+ Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
+
+ * fix-header.c (check_macro_names): Use cpp_defined.
+ (read_scan_file): Set inhibit_warnings and inhibit_errors in
+ the options structure.
+
+2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
+
+2000-02-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
+ rather than die->die_tag.
+
+Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (make_extraction, force_to_mode): Avoid warning on
+ mixed-signedness conditionals.
+ (make_field_assignment, nonzero_bits): Likewise.
+ * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
+ (store_split_bit_field, extract_split_bit_field): Likewise.
+ (extract_fixed_bit_field, store_bit_field,
+ * expr.c: Change alignment to be unsigned everywhere.
+ (move_by_pieces, store_constructor_field, store_constructor):
+ Alignment parm is unsigned.
+ (emit_block_move, emit_group_load, emit_group_store): Likewise.
+ (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+ (do_compare_rtx_and_jump): Likewise.
+ (move_by_pieces_ninsns, clear_by_pieces): Likewise.
+ Compare align with GET_MODE_ALIGNMENT.
+ (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
+ (get_inner_reference): Likewise.
+ (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
+ (expand_assignment): Local vars for alignment now unsigned.
+ (store_constructor, store_field, expand_expr, do_jump): Likewise.
+ (do_compare_and_jump): Likewise.
+ (store_field): Call new function expr_align.
+ * expr.h (emit_block_move, emit_group_load, emit_group_store):
+ Alignment arg now unsigned.
+ (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+ (do_compare_rtx_and_jump, store_bit_field): Likewise.
+ (extract_bit_field): Likewise.
+ * fold-const.c (add_double): Add cast to eliminate signedness warning.
+ * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
+ (get_best_mode): Alignment arg is unsigned.
+ * rtl.h (move_by_pieces): Likewise.
+ * store-layout.c (maximum_field_alignment, set_alignment):
+ Now unsigned.
+ (layout_decl): Alignment arg is now unsigned.
+ Remove unneeded casts.
+ (layout_record, layout_union, layout_type): Remove unneeded casts.
+ Local alignment variables now unsigned.
+ (get_best_mode): Alignment arg now unsigned.
+ * tree.c (expr_align): New function.
+ * tree.h (expr_align): Likewise.
+ (maximum_field_alignment, set_alignment): Now unsigned.
+ (get_inner_reference): Alignment argument is now pointer to unsigned.
+ * varasm.c (assemble_variable): Add cast to eliminate warning.
+
+Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
+
+ * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
+ then store directly into op0.
+
+ * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
+ the CALL_INSN, and emit the note immediately after it.
+
+2000-02-10 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.md (epilogue): Include a (return) in the
+ generated insn, and emit it using emit_jump_insn not
+ emit_insn.
+
+Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * function.c (assign_temp): Change zero-sized arrays to size 1.
+ * integrate.c (expand_inline_function): Do not update
+ stack_alignment_needed
+ * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
+ add some sanity checking, remove optimization for function with
+ zero frame size.
+
+2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (mark_regs_live_at_end): Delete unused variables.
+
+ * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
+
+ * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
+ in macro FRAME_GROWS_DOWNWARD.
+
+ * stmt.c (expand_end_bindings): Delete unused variable.
+
+ * unroll.c (iteration_info): Mark parameter `loop' with
+ ATTRIBUTE_UNUSED.
+
+2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * fixinc/server.c (load_data): Return NULL if the marker line is
+ not found.
+ (run_shell): If load_data returns NULL, retry the command once, in
+ a new shell.
+
+ * configure: Rebuilt.
+
+2000-02-09 Bruce Korb <bkorb@gnu.org>
+
+ * gcc/fixincludes: ** DELETED **
+ * gcc/fixcpp: ** DELETED **
+ * gcc/fixinc-nt.sed: ** DELETED **
+ * gcc/just-fixinc: ** DELETED **
+ * gcc/Makefile.in: Removed out-dated commentary
+ * gcc/configure.in: Removed fast-fixincludes disablement.
+ * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
+
+2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+ * function.c (thread_prologue_and_epilogue_insns): Uncomment
+ last change.
+
+2000-02-09 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (delete_insn): Don't delete user labels at -O0.
+
+2000-02-09 Robert Lipe <robertl@sco.com>
+
+ * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
+ Don't link with HOST_LIBS.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Correct --help text for --with-dwarf2.
+ Put tm-dwarf2.h after other tm files, if it's requested.
+ * configure: Regenerate.
+ * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
+ defining it.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Provide HASHNODE typedef and forward decl of
+ struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
+ DEFINITION, struct hashnode, struct macrodef, struct
+ definition, scan_decls prototype, default defn of
+ INCLUDE_LEN_FUDGE moved elsewhere.
+
+ * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
+ definition, and struct hashnode moved here. Remove the unused
+ 'predefined' field from struct definition. Replace the 'args'
+ union with its sole member. All users updated (cpphash.c).
+ Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
+ multiple include guard.
+
+ * cpphash.c (hashf): Make static; use better algorithm; drop
+ HASHSIZE parameter; return an unsigned int.
+ (cpp_lookup): Drop HASH parameter. PFILE parameter is
+ used. Calculate HASHSIZE modulus here.
+ (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
+ here.
+ (create_definition): Drop PREDEFINITION parameter.
+ * cpplib.c (do_define): Don't calculate a hash value here.
+ Don't pass (keyword == NULL) to create_definition.
+
+ * scan.h: Prototype scan_decls here.
+ * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
+ * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
+ callers of cpp_lookup and cpp_install updated.
+
+ * cpphash.c (macarg): Hoist all the flag diddling out of the
+ function...
+ (macroexpand): ... and out of the loop that calls macarg.
+ Skip over the initial paren before macro arguments with
+ cpp_get_non_space_token; point may be some distance before
+ that paren. Abort if it's not there.
+
+ * cpplib.c (parse_clear_mark): Delete function.
+ (parse_set_mark, parse_goto_mark): Make static.
+ (ACTIVE_MARK_P): New macro.
+ (skip_block_comment, skip_line_comment): Do not bump the line
+ if ACTIVE_MARK_P is true.
+ (cpp_pop_buffer): The buffer to be popped may not have an
+ active mark.
+ (cpp_get_token): When looking for the initial paren before
+ macro arguments, only set a mark in a file buffer, Always
+ return to that mark before proceeding to call macroexpand or
+ return a NAME token.
+
+ * cpplib.h: Remove prototypes of parse_set_mark,
+ parse_clear_mark, parse_goto_mark.
+ (struct cpp_options): Rename 'put_out_comments' to
+ 'discard_comments' and invert its sense.
+ * cppinit.c, cpphash.c, cpplib.c: All users of
+ put_out_comments changed to use discard_comments, with
+ opposite sense.
+
+2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't delete
+ the edge from a block that both jumps and falls through to the
+ fallthru block.
+
+2000-02-09 Scott Bambrough <scottb@netwinder.org>
+
+ * config/arm/arm.md (movsi): In PIC mode, make sure that a
+ constant source address is legitimate.
+
+2000-02-09 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
+ correctly.
+
+ * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
+ generating PIC.
+ (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
+ ends with a newline and a NUL. Don't be so clever manipulating
+ strings.
+
+Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
+ not to BIGGEST_ALIGNMENT.
+
+2000-02-08 Geoff Keating <geoffk@cygnus.com>
+
+ * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
+ * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
+ (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
+ (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
+ * frame.c (execute_cfa_insn): Handle
+ DW_CFA_GNU_negative_offset_extended.
+
+2000-02-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edges): Split out from ...
+ (delete_unreachable_blocks): ... here.
+ (find_basic_blocks): Use it.
+
+Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
+
+2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
+ (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
+ (fix-header.o): Don't depend on cpphash.h.
+
+ * scan.c (hashstr): New function.
+ * scan.h: Prototype it.
+ * fix-header.c: Don't include cpphash.h. Use hashstr.
+ * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
+ hashstr. Report hash table statistics. Add private
+ definition of xrealloc.
+
+2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386.h (TARGET_SWITCHES): Fix typo in option name.
+
+2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't replace
+ jumps with returns unless they are jumps to the fallthru block.
+
+Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (addqi3_cc): Fix contraints.
+
+Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
+
+2000-02-07 Mark Mitchell <mark@codesourcery.com>
+
+ * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
+ carriage return after a macro name.
+
+2000-02-07 Fred Fish <fnf@be.com>
+
+ * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
+ so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
+
+2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (deps_output): Count spacers in deps_column.
+
+2000-02-07 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (initialize_dependency_output): If there is no
+ suffix, don't try to look for known suffixes. Use strrchr.
+ (cpp_start_read): Remove duplicate initialization.
+
+Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (compute_argument_block_size): New argument
+ preferred_stack_boundary.
+ (expand_call): update cfun->preferred_stack_boundary, update call of
+ compute_argument_block_size
+ (emit_library_call): Increate cfun->preferred_stack_boundary
+ to PREFERRED_STACK_BOUNDARY
+ (emit_library_call_value): Likewise.
+ * explow.c (allocate_dynamic_stack_spave): Likewise.
+ * function.c (prepare_function_start): Set
+ cfun->preferred_stack_boundary
+ * function.h (struct function): Add preferred_stack_boundary field.
+ * integrate.c (expand_inline_function): Update
+ cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
+ (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
+ * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
+
+2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
+ cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
+ cpp_pedwarn, cpp_pedwarn_with_line,
+ cpp_pedwarn_with_file_and_line): Move to cpperror.c.
+ (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
+ v_cpp_error_with_line, v_cpp_warning_with_line,
+ cpp_message_from_errno, cpp_perror_with_name): Delete.
+
+ * cpperror.c (cpp_print_containing_files): Take starting
+ buffer as argument.
+ (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
+ (v_cpp_message): Now called directly by all entry points.
+ Remove -1 case.
+ (cpp_pfatal_with_name, cpp_message): Delete.
+ (cpp_notice_from_errno, cpp_ice): New functions.
+ (cpp_notice): Is now for reporting error conditions, just
+ without an associated file.
+ (cpp_error, cpp_error_with_line): Don't do anything if
+ opts->inhibit_errors is on.
+ (cpp_pedwarn_with_file_and_line): Take column argument also.
+
+ * cpplib.h: Update prototypes of exported functions.
+ (struct cpp_options): Add inhibit_errors.
+
+ * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
+ non-error messages. Include intl.h.
+
+ * cppinit.c, cppmain.c: Likewise. Also, use
+ cpp_notice_from_errno instead of cpp_perror_with_name or
+ cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
+
+ * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
+ report internal errors.
+
+ * cpplib.c (do_define): Switch bcopy to memcpy.
+ Give cpp_pedwarn_with_file_and_line a dummy column argument.
+
+ * cpplib.c (copy_rest_of_line): Revert previous change: don't
+ bail out early if we hit a line comment.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
+ * basic-block.h: Declare them.
+ * emit-rtl.h (active_insn_p): New.
+ (next_active_insn, prev_active_insn): Use it.
+ * rtl.h: Declare it.
+ * function.c (emit_return_into_block): New.
+ (thread_prologue_and_epilogue_insns): Insert return insns instead
+ of epilogues when possible.
+ * jump.c (jump_optimize_1): Remove code to insert a return insn
+ on the fallthru to the exit block.
+
+ * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
+ and for non-empty stack frames.
+ * i386.md (return): Expand to return-pop as needed.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * simplify-rtx.c (simplify_relational_operation): Canonicalize
+ constant to op1 for testing.
+
+2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
+ (fixuns_truncqfqi2): Use it.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
+ as a TYPE_LEA insn.
+
+ * i386.md (widening and peepholes): Mask the constant instead of
+ using gen_lowpart.
+
+2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
+ input pointer before possibly branching off to the backslash
+ code.
+ * cpphash.c (macroexpand): Correctly delete \r escapes when
+ stringifying parameters.
+ * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
+ if we can; bail out early if we hit a line comment.
+ (handle_directive): Treat '# 123' in an .S file just like
+ '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
+ Return 1 for '# not_a_directive'.
+ (get_directive_token): Pop macro buffers here, so that
+ cpp_get_token can't sneakily move past a newline.
+ Add sanity checks.
+ (cpp_get_token): goto randomchar if handle_directive returns 0.
+
+ * cppalloc.c: Update copyright.
+ * cpplib.c: Merge all the static function prototypes into one
+ block.
+ * cpplib.h: Remove #if 0 block.
+
+ * cpperror.c: Remove #ifdef EMACS block.
+ * cppmain.c: Likewise.
+ * cpphash.c: Remove #if 0 blocks.
+ * cppinit.c: Remove #if 0 blocks, and the -lint option.
+ * cpplib.c: Remove #if 0 blocks and code referencing
+ pcp_inside_if or for_lint. Remove duplicate error message.
+ Fix error messages for #else after #else or #elif. Reformat.
+ Remove archaic TODO list.
+ * cpplib.h: Remove pcp_inside_if and for_lint flags.
+
+2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386/osf1elf.h: Add missing backslash to multiline string.
+
+2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
+
+2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-common.o): Depend on $(EXPR_H).
+
+ * c-common.c: Include expr.h.
+
+ * c-pragma.c (mark_align_stack): Add prototype.
+
+ * caller-save.c (add_stored_regs): Likewise.
+
+ * combine.c (record_promoted_value): Likewise.
+
+ * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
+ Likewise.
+
+ * cppinit.c (new_pending_define): Likewise.
+
+ * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
+
+ * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
+ AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
+ AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
+ class_scope_p): Likewise.
+
+ * dwarf2out.h (dwarf2out_set_demangle_name_func,
+ dwarf2out_add_library_unit_info): Likewise.
+
+ * ggc.h (ggc_page_print_statistics): Likewise.
+
+ * haifa-sched.c (propagate_deps): Likewise.
+
+ * reg-stack.c (next_flags_user, record_label_references): Likewise.
+
+ * rtl.h (set_stack_check_libfunc): Likewise.
+
+ * toplev.h (set_fatal_function): Likewise.
+
+ * toplev.c (set_fatal_function): Delete prototype.
+
+ * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
+
+2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
+ (FUNC_END): Likewise.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * caller-save.c: Include tm_p.h.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
+
+2000-02-04 Neil Booth <NeilB@earthling.net>
+
+ * cccp.c (main): Check 'dir' for a NULL pointer before passing
+ it to strcmp.
+
+2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
+ * genflags.c: Use the max_operand_1 logic from genemit.c to
+ calculate how many arguments gen_insn prototypes have. Remove
+ NO_MD_PROTOTYPES ifdefs from the generated file.
+ * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
+ file. Cast gen_insn initializers to insn_gen_fn.
+ * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
+ * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
+
+2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/Makefile.in (HDR): Add machname.h.
+ (clean): Likewise.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
+ (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
+ (c4x_cpu_version): Ditto.
+ * config/c4x/c4x-protos.h: ... here.
+
+2000-02-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Don't call
+ gen_abstract_function on our context if we're a nested function.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
+ * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
+
+2000-02-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/genfixes(machname.h):
+ Move the functionality from gen-machine.h into this file.
+ UNdef MN_NAME_PAT if there are no names to change.
+ Also, be a little kinder when AutoGen is not present.
+
+ * fixinc/Makefile.in(machname.h):
+ Change the generation rule to use genfixes.
+
+ * fixinc/fixfixes.c(machine_name):
+ machine_name_fix's functionality now dependent upon whether
+ MN_NAME_PAT is defined.
+
+ * fixinc/fixtests.c(machine_name):
+ ditto.
+
+ * fixinc/fixlib.c(mn_get_regexps): conditional on definition
+ of MN_NAME_PAT.
+
+ * fixinc/fixlib.h(mn_get_regexps):
+ ditto
+
+ * fixinc/gen-machine.h: DELETED
+
+2000-02-04 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * i386.c (SAVE_REGS_FIRST): Remove.
+ (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
+ (ix86_compute_frame_size): Likewise.
+ (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
+ (ix86_emit_restore_regs): Remove.
+ (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
+ when a frame pointer is in use.
+ (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
+ instead of pop to restore a register when profitable; emit leave
+ when profitable.
+ (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
+ as a TYPE_LEA insn.
+ (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
+ * i386.md (prologue_allocate_stack): Remove.
+ (epilogue_deallocate_stack): Remove.
+ (pro_epilogue_adjust_stack): New.
+
+2000-02-04 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): Rework to use a callback function.
+ Use current_function_return_rtx if it's been set up.
+ (do_clobber_return_reg, clobber_return_register): New.
+ (do_use_return_reg, use_return_register): New.
+ (expand_function_end): Use them.
+ * stmt.c (expand_null_return): Likewise.
+ * function.h: Declare them.
+ * flow.c (mark_regs_live_at_end): Use diddle_return_value.
+ (mark_reg): Change arguments as appropriate for callback.
+ * integrate.c (expand_inline_function): Revert 19 Jan change.
+
+Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi (Values in Registers): Fix typo: "fo" "for".
+ (Misc): Say the scheduler, not the Haifa scheduler.
+
+2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
+
+ * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
+ when in_mem is set. Update all callers.
+
+2000-02-04 Richard Henderson <rth@cygnus.com>
+
+ * i386/openbsd.h (INT_ASM_OP): Define.
+
+Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi: Fix various typos.
+
+Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
+ (MD_STARTFILE_PREFIX_1): New macro.
+
+Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
+ destination when needed.
+ (strmovsi, strsetsi): New expander.
+ (strmovsi_1, strsetsi_1): New pattern.
+ * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
+ TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
+ (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
+ * invoke.texi (align-stringops, inline-all-stringops): Document.
+
+Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
+
+ * i386/netbsd.h (INT_ASM_OP): Define.
+
+2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (cpp_reader): Add new flag, no_directives.
+ * cpphash.c (macarg): Set it.
+ * cpplib.c (handle_directive): If no_directives is on and we
+ find a directive, issue an error and discard the line.
+
+Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
+ FP constants. Add ! TARGET_FPU check for FP constants.
+
+2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
+
+ * flow.c (find_basic_blocks): Don't kill label_value_list
+ here.
+ (cleanup_cfg): Kill it here.
+
+Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_field): Ensure ALIGN is no stricter than the
+ alignment of EXP.
+
+2000-02-02 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (delete_insn): Partially revert 19 Jan change;
+ don't convert unused code labels to notes at -O0.
+
+2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
+ split_all_insns to recreate REG_LABEL notes for flow2 pass.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (general_no_elim_operand): New.
+ (nonmemory_no_elim_operand): New.
+ (ix86_expand_move): Copy eliminable operands before a push.
+ * i386-protos.h: Declare new functions.
+ * i386.h (CAN_ELIMINATE): Simplify.
+ (PREDICATE_CODES): Update.
+ * i386.md (push insns): Don't allow eliminable register operands.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_regs_live_at_end): Follow expand_function_end and
+ replace BLKmode with DECL_RTL's mode.
+
+2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * frame.c (find_fde): Convert for loop to do-while so compiler
+ sees it's always executed at least once.
+ * libgcc2.c (BBINBUFSIZE): Kill.
+ (__bb_init_prg): Use fgets.
+ (__bb_exit_trace_func): Don't paste strings.
+ * unroll.c (unroll_loop): Initialize unroll_type, not
+ unroll_number, and tweak logic to match.
+
+ * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
+ all failure paths.
+ (ix86_flags_dependant): Likewise. Disentangle control flow.
+ (ix86_sched_reorder): Break guts out to
+ ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
+ (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
+ any possible use.
+
+ * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
+ use string concatenation. Don't save and restore esi.
+
+ * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
+ (machname.h): Remove script to separate file. Use two-step
+ sequence so target is not created if script fails.
+ * fixinc/gen-machname.h: New file. Handle case where no non-reserved
+ identifiers are defined.
+ * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
+ an empty string, machine_name doesn't need to do anything at
+ all.
+ (is_cxx_header): Add more cases to regexp.
+ * fixinc/fixlib.h: Update prototype.
+ * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
+ mn_get_regexps.
+ * fixinc/fixincl.c: Define NO_BOGOSITY.
+
+ * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
+ (hp_sysfile): Add missing comma.
+ (math_exception): Put the wrapper ifdefs at the beginning and
+ the end of the file.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (fp_zero_operand): Turn into a normal predicate.
+ Use CONST0_RTX. Update all callers.
+ * sparc.h, sparc-protos.h: Update accordingly.
+ * sparc.md (fp mov insns): Use fp_zero_operand directly
+ where applicable.
+
+Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
+ example.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (specs.ready): New target.
+ (fixinc.sh): Depend on `specs.ready' instead of `specs'.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc.irix: Use unique filenames for writing into /tmp,
+ * fixinc.ptx: Likewise.
+ * fixinc.sco: Likewise.
+ * fixinc.svr4: Likewise.
+ * fixinc.winnt: Likewise.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tsystem.h: New file.
+
+ * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
+ s-crtS): Depend on tsystem.h.
+
+ * crtstuff.c: Include tsystem.h.
+ * frame.c: Likewise.
+ * libgcc2.c: Likewise.
+
+Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_memset): Expand for variable sized
+ lengths too.
+
+2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
+
+ * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
+ on ABI.
+
+Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
+
+ * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
+
+2000-01-31 Chandra Chavva <cchavva@cygnus.com>
+
+ * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
+ case 3->2 combining (combining with splitting) in which 2 is CC0
+ setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
+ checked at the begining of the function with the aid of calling
+ function 'can_combine_p'.
+
+2000-01-31 Dave Brolley <brolley@redhat.com>
+
+ * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
+
+2000-01-31 Jason Merrill <jason@casey.cygnus.com>
+
+ * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
+ new label.
+
+2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
+
+ * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
+ PROTO -> PARAMS.
+
+2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
+ i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
+ i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
+ i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
+ i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
+ i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
+ i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
+ i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
+ i386/vxi386.h, i386/win-nt.h, i386/win32.h:
+ Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
+
+ * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
+ Add %(cpp_cpu) to CPP_SPEC.
+
+ * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
+ Add %(cc1_cpu) to CC1_SPEC.
+
+2000-01-28 Ulrich Drepper <drepper@redhat.com>
+
+ * c-decl.c (c_decode_option): Accept optional numeric argument to
+ -Wformat and set warn_format.
+ * c-common.c: Don't emit warning about non-constant printf format
+ string unless warn_format > 1.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (return_internal): Allow after reload only.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (ix86_compute_frame_size): Omit padding1 if the
+ local frame size is zero.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
+ * alpha.h (EPILOGUE_USES): New. Mark $26 live.
+ * alpha.md (return): Turn into an expander.
+ (return_internal): Don't use $26.
+ (epilogue): Emit the return insn.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (negtf2, abstf2): Fix word order thinko.
+ (extendsftf2): New.
+ (trunctfsf2): Avoid intermediate rounding errors.
+
+2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (find_position): Drop 'colp' argument, return the
+ new line base.
+ (read_and_prescan): Adjust to match. Don't ever manipulate
+ line or line_base except via find_position.
+
+2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-parse.in: Apply Ulrich's changes from c-parse.y.
+ * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
+ Regenerate.
+
+2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
+ just print "<command line>". If 'filename' is null or an
+ empty string, print "<stdin>" for the filename.
+ * cpplib.c (do_define): Don't print the 'location of the
+ previous definition' message if we're still parsing the
+ command line.
+ (cpp_pedwarn_with_file_and_line): Always call
+ cpp_file_line_for_message.
+
+2000-01-29 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (mark_regs_live_at_end): Fix typo.
+
+2000-01-28 Ulrich Drepper <drepper@redhat.com>
+
+ * c-common.c: Adjust variable names, comments, help strings to c99.
+ * c-lex.c: Likewise.
+ * c-parse.y: Likewise.
+ * c-tree.h: Likewise.
+ * cccp.c: Likewise.
+ * cpplib.h: Likewise.
+ * c-decl.c: Likewise. Recognize options with names "*99" as well.
+ * cppinit.c: Likewise.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
+ * c4x.c: Define the optab rtx values.
+ (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
+ (c4x_emit_libcall): Use new optab rtx values.
+ (c4x_emit_libcall3): Likewise.
+ (c4x_emit_libcall_mulhi): Likewise.
+ * c4x-protos.h: Add prototypes for optab rtx values and change
+ prototypes for above c4x_emit_libcall functions.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_output_ascii): Restrict line length of output when TI
+ syntax is used.
+ (c4x_function_prologue): Use regnames intead of float_reg_names when
+ TI syntax is used.
+ (c4x_function_epilogue): Likewise.
+ (c4x_print_operand): Likewise.
+ * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
+ * c4x.md (set_high): Disable for TARGET_TI.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
+ of framepointer + constant to ADDR_REGS class.
+ * c4x.md (addqi3, addqi3_noclobber_reload): Update.
+ * c4x.c (std_or_reg_operand): New function.
+ * c4x-protos.h (std_or_reg_operand): Prototype it.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
+ object names as libgcc2.c.
+ * libgcc.S: Use newly defined names.
+
+Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
+ * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
+ function.
+ * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
+ * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
+ (FLOW_LOOP_LAST_BLOCK): Likewise.
+
+2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (struct loop): New fields 'first' and 'last'.
+ * flow.c (flow_loops_find): Compute loop->first and loop->last.
+ (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
+ and loop->last to check for NOTE_INSN_LOOP_END.
+
+Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * predict.c (estimate_probability): Use the new FIRST and LAST fields
+ of the loop descriptor rather than HEADER and LATCH. Also added
+ missing break statements as well making some coding style modifications
+ as suggested by Michael Hayes.
+
+2000-01-28 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks): Remove do_cleanup argument.
+ Break out that code ...
+ (cleanup_cfg): ... here.
+ (commit_one_edge_insertion): Detect a return instruction being
+ emitted to an edge. Emit a barrier following; clear fallthru.
+ (commit_edge_insertions): Verify CFG consistency.
+ * function.c (expand_function_start): Kill unused variable.
+ (expand_function_end): Likewise.
+ (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
+ to insert the epilogue.
+
+ * gcse.c (gcse_main): Adjust for find_basic_blocks change.
+ (delete_null_pointer_checks): Likewise.
+ * output.h: Likewise.
+ * reg-stack.c (reg_to_stack): Likewise.
+ * toplev.c (rest_of_compilation): Likewise. Run
+ thread_prologue_and_epilogue_insns after rebuilding the CFG.
+
+2000-01-28 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (flow.o): Revert 24 Jan change.
+ * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
+ FUNCTION_VALUE result to DECL_RESULT's mode.
+
+ * haifa-sched.c (schedule_insns): Don't recompute reg info
+ after reload.
+
+2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Make --enable-cpplib the default.
+ * configure: Regenerate.
+ * gcc.dg/990119-1.c: No longer expected to fail.
+
+2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (jump_optimize_1): Delete an optimization that is also done
+ by merge_blocks in flow.
+
+2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * diagnostic.c (build_message_string, output_printf,
+ line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
+ (build_location_prefix): Fix non-literal format string.
+
+2000-01-27 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (trunctfsf2): New.
+
+2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
+
+ * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
+
+2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_handle_option): Recognize C++ comments under
+ -std=gnu89.
+ * cpplib.c (skip_block_comment, skip_line_comment): Split code
+ out of...
+ (skip_comment) ... here. Permit C++ comments in system
+ headers always. Warn about C++ comments in user code under
+ -std=gnu89 -pedantic.
+ (copy_comment): Use skip_comment.
+ (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
+ return EOF.
+ (consider_directive_while_skipping, do_else, do_endif): Call
+ validate_else unconditionally.
+ (validate_else): Check CPP_PEDANTIC here. Accept non-comment
+ text after the conditional in a system header.
+ * cpplib.h (struct cpp_buffer): Add flag
+ warned_cplusplus_comments.
+
+2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
+ Use unshare_all_rtl_1.
+ (unshare_all_rtl_again): New function.
+ (unshare_all_rtl_1): New function split out of unshare_all_rtl.
+
+ * function.c (purge_addressof_1): Use unshare_all_rtl_again
+ rather than resetting the 'used' flags ourself.
+
+ * toplev.c (rest_of_compilation): Add current_function_decl
+ to the unshare_all_rtl call.
+ * tree.h: Prototype unshare_all_rtl.
+ * rtl.h: Prototype unshare_all_rtl_again here.
+
+2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * genoutput.c (output_prologue): Include ggc.h in generated
+ files.
+ * Makefile.in (insn-output.o): Depends on ggc.h.
+
+2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
+ Hans-Peter Nilsson <hp@bitrange.com>
+
+ * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
+
+ * ns32k/ns32k.h: Update comment on multiply-add instructions.
+ (TARGET_SWITCHES): Add documentation strings.
+ (DWARF_FRAME_REGNUM): Override default definition.
+ (REG_CLASS_CONTENTS): Add comments.
+ (SUBSET_P): Format to reduce line length.
+ (SMALL_REGISTER_CLASSES): Make a run time option.
+ (GO_IF_NONINDEXED_ADDRESS): Reformat.
+ (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
+ dereferencing it. Braces to avoid "ambiguous else" were misplaced.
+ (regclass_map): fix typo in comment.
+ * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
+ Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
+ (trace, reg_or_mem_operand): Delete, unused function.
+ (calc_address_cost): Small offsets are cheaper than large ones.
+ (expand_block_move): Generate more efficient code when bytes is a
+ known at compile time.
+ * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
+ (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
+ instead of reg_or_mem_operand.
+
+ * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
+ not general_operand. Similarly use "=rm" or stricter, not "=g".
+ For input operands, use stricter constraints than "g" if not
+ general_operand. Similarly use stricter predicate than
+ "general_operand" when stricter constraints than "g" are present,
+ except for matching constraints.
+ (movstrsi): Use "memory_operand" for operands 0 and 1.
+ (truncsiqi2, truncsihi2, trunchiqi2): Remove.
+ (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
+ not reg_or_mem_operand.
+ (udivmoddisi4): Ditto.
+ Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
+ Use nonimmediate_operand for operand 3, not register_operand.
+ (udivmoddiqi4_internal): Use register_operand for operand 1, not
+ reg_or_mem_operand.
+
+2000-01-27 Fred Fish <fnf@be.com>
+
+ * gthr-posix.h: Fix typo; compatibily -> compatibility.
+ * gthr-single.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-win32.h: Likewise.
+ * gthr.h: Likewise.
+
+2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c: Add " (cpplib)" to end of string printed by
+ -v / --version.
+
+2000-01-27 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
+ testing for a signed comparison.
+ (alpha_emit_floatuns): New.
+ * alpha-protos.h: Declare it.
+ * alpha.md (floatunsdisf2, floatunsdidf2): New.
+ (extendsfdf2): Tidy.
+
+2000-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
+ no -g option specifying debugging format, default to -gstabs+.
+
+Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * calls.c (special_function_p): New argument fork_or_exec.
+ (expand_call): When profile_arc_flag is set and the function
+ is in the fork_or_exec group, call __bb_fork_func first.
+ * libgcc2.c, _bb module (__bb_fork_func): New function.
+ (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
+ output file.
+ * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
+ * tree.h (special_function_p): Update prototype.
+
+2000-01-26 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_split_tfmode_pair): New.
+ * alpha-protos.h: Declare it.
+ * alpha.md (abstf2, negtf2): New.
+ (movtf insn): Add input G constraint.
+ (movtf splitter): Use alpha_split_tfmode_pair.
+
+2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386/cygwin.h: PROTO -> PARAMS.
+
+2000-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
+ TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
+ using _Qp_cmp/_Q_cmp and testing the return value.
+ (print_operand): Call reverse_condition_maybe_unordered if
+ we are handling CCFPmode or CCFPEmode.
+ Handle ORDERED, UN* and LTGT comparisons.
+ * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
+ if not TARGET_HARD_QUAD.
+ (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
+ bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
+ Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
+ Adjust gen_b* calls so that they reflect return comparison of
+ sparc_emit_float_lib_cmp.
+
+2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
+ incoming operands array is large enough for one more operand.
+ (alpha_emit_xfloating_arith): Likewise.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
+ file with one line and no trailing newline.
+ Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
+ * fixinc/fixtests.c (machine_name_test): Fix fencepost error
+ checking if the match is on the line.
+ * fixinc/gnu-regex.c: Provide regerror not __regerror.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (output_cbranch): Fix accidental squashing of the
+ fp branch pre-delay nop.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * tree.def (UNNE_EXPR): Remove.
+ * c-typeck.c (build_binary_op): Don't handle it.
+ * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
+
+ * rtl.def (UNNE): Remove.
+ (LTGT): Add.
+ * jump.c (reverse_condition): Update accordingly.
+ (swap_condition): Likewise.
+ (comparison_dominates_p): Handle unordered comparisons.
+ (reverse_condition_maybe_unordered): New.
+ * rtl.h (reverse_condition_maybe_unordered): Declare.
+
+ * sparc.c (select_cc_mode): Update for UNNE/LTGT.
+ (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
+ * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
+ * sparc.md (bltgt): New.
+
+2000-01-25 Nick Clifton <nickc@redhat.com>
+
+ * emit-rtl.c (emit_insn): Only check machine class insns for
+ improper emission of a RETURN.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (flow.o): Depend on $(EXPR_H).
+ * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
+ duplicate the structure of diddle_return_value for keeping regs live.
+
+2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (current_loop_info): Delete.
+ (consec_sets_invariant_p): Add loop argument, update callers.
+ (get_condition_for_loop): Likewise.
+ (count_nonfixed_reads, update_giv_derive): Likewise.
+ (simplify_giv_expr, general_induction_var): Likewise.
+ (consec_sets_giv, recombine_givs): Likewise.
+ (move_movables): Delete loop_start and loop_end arguments,
+ add loop argument, and update callers.
+ (find_mem_givs, check_final_value): Likewise.
+ (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
+ (loop_invariant_p): Rename from invariant_p, add loop argument, and
+ update callers.
+ (basic_induction_var): Add loop argument, delete loop_level argument,
+ and update callers.
+ * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
+ add loop argument, and update callers.
+ (find_splittable_regs, find_splittable_givs): Likewise.
+ (reg_dead_after_loop, loop_find_equiv_value): Likewise.
+ (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
+ (biv_total_increment): Delete loop_start and loop_end arguments;
+ update callers.
+ (precondition_loop_p): Delete loop_start and loop_info arguments;
+ update callers.
+ * loop.h (get_condition_for_loop): Add loop argument.
+ (biv_total_increment): Delete loop_start and loop_end arguments.
+ (precondition_loop_p): Delete loop_start and loop_info arguments;
+ add loop argument.
+ (final_biv_value): Delete loop_start and loop_end arguments;
+ add loop argument.
+ (final_giv_value, back_branch_in_range_p): Likewise.
+
+2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
+
+2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * Makefile.in (c-gperf.h) : Change the "See" pointer to
+ point to the new "generated_files" doc.
+
+2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/fp-bit.c (_unord_f2): Fix typo.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
+ c-typeck.c, objc/objc-act.c: Remove all references to obstack
+ functions obsoleted by GC, such as push_obstacks_nochange,
+ end_temporary_allocation, savealloc, saveable_tree_cons, etc.
+ and code which existed only to decide whether or not to call
+ them. Remove now-unused NESTED argument from start_function;
+ all callers changed. Do not change behavior based on ggc_p.
+ The use of the ixp_obstack in c-iterate.c and the util_obstack
+ in objc/objc-act.c remain; these are not obsoleted by garbage
+ collection.
+ * c-tree.h: Update prototype for start_function.
+
+ * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
+
+2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.md (zero_extendsidi2_internal): Disable for
+ mips16.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * sparc-protos.h (select_cc_mode): Declare.
+ * sparc.c (select_cc_mode): New. Handle unordered compares.
+ (output_cbranch): Always reverse via code change. Handle
+ unordered compares. Factor tests and string updates.
+ * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
+ (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
+ * sparc.md (bunordered, bordered): New.
+ (bungt, bunlt, buneq, bunge, bunle): New.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
+ * ggc-common.c (ggc_add_rtx_varray_root): New.
+ (ggc_mark_rtx_varray): New.
+ (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
+ functions down below ggc_mark_foo.
+ * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (secondary_reload_class): Don't allocate a secondary
+ for integral mode memories into FLOAT_REGS. Rearrange the more
+ complicated memory expression inward.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * inclhack.def: Fixes to play nicer with FreeBSD, and
+ corrections to comments.
+ (cxx_unready): Add select expression.
+ (irix_sockaddr): Add bypass expression.
+ (machine_ansi_h_va_list): New fix.
+ (stdio_va_list): No need to edit _BSD_VA_LIST_.
+ Split out addition of "#include <stdarg.h>" to...
+ (stdio_stdarg_h): ... here.
+ (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
+ to stdlib.h also. Do not munge _BSD_SIZE_T_.
+ (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
+ size_t.
+ (ultrix_ifdef): Tighten up select expression.
+
+ * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
+ re_ct and max_mach to avoid use of shell. Make printed names
+ match names in inclhack.def. Use static copyright date.
+ Don't count c_test and test expressions as requiring regex_t
+ slots. Add some commentary.
+ * inclhack.tpl: Do not include the 'This script contains N
+ fixup scripts' line if PROGRAM is defined. Use static
+ copyright date.
+
+2000-01-24 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c: include "varray.h", not dyn-string.h.
+ (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
+ (addr_const_to_string, addr_to_string): Lose.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
+ (struct dw_val_struct): val_addr is now an rtx.
+ (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
+ (used_rtx_varray): New varray.
+ (dwarf2out_init): Initialize it.
+ (save_rtx): New fn.
+ (mem_loc_descriptor, add_const_value_attribute): Call it instead of
+ addr_to_string.
+ * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
+ sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
+ * Makefile.in (dwarf2out.o): Update dependencies.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (i386_dwarf_output_addr_const): New.
+ * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
+
+ * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
+ if defined.
+ * dwarfout.c (output_mem_loc_descriptor): Likewise.
+ * i386.c (i386_simplify_dwarf_addr): New.
+ * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
+
+Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
+ TYPE_STUB_DECL is NULL.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_tree_builtin): Move ...
+ * c-common.c (expand_tree_builtin): ... here.
+
+2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.h (LOOP_INFO): New accessor macro.
+ * basic-block.h (struct loop): Rename field `info' to `aux'.
+ * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
+ (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
+ * unroll.c (loop_iterations, unroll_loop): Likewise.
+
+2000-01-24 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/t-cygwin: Accomodate new winsup directory layout
+ when searching for include files.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def: Add unordered fp comparisions.
+ * tree.def: Likewise.
+ * tree.h: Add ISO C 9x unordered fp comparision builtins.
+
+ * builtins.c (expand_tree_builtin): New function.
+ * c-typeck.c (build_function_call): Use it.
+ (build_binary_op): Support unordered compares.
+ * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
+
+ * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
+ (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
+ * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
+ (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
+ * jump.c (reverse_condition): Don't abort for UNLE etc, but
+ return UNKNOWN.
+ (swap_condition): Handle unordered compares.
+ (thread_jumps): Check can_reverse before reversing.
+ * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
+ reversed for FP.
+
+ * optabs.c (can_compare_p): New argument CODE. Verify branch or
+ setcc is present before acking for cmp_optab. Update all callers.
+ (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
+ * expmed.c (do_cmp_and_jump): Update for can_compare_p.
+ * expr.c (expand_expr): Likewise. Support unordered compares.
+ (do_jump, do_store_flag): Likewise.
+ * expr.h (enum libfunc_index): Add unordered compares.
+
+ * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
+ (DPBIT_FUNCS): Add _unord_df.
+ * config/fp-bit.c (_unord_f2): New.
+ * fp-test.c (main): Try unordered compare builtins.
+
+ * alpha-protos.h (alpha_fp_comparison_operator): Declare.
+ * alpha.c (alpha_comparison_operator): Check mode properly.
+ (alpha_swapped_comparison_operator): Likewise.
+ (signed_comparison_operator): Likewise.
+ (alpha_fp_comparison_operator): New.
+ (alpha_emit_conditional_branch): Handle unordered compares.
+ * alpha.h (PREDICATE_CODES): Update.
+ * alpha.md (fp compares): Use alpha_fp_comparison_operator.
+ (bunordered, bordered): New.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
+ * alpha.md (movtf): New expander, insn, and splitter.
+
+Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+ dead registers.
+
+Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REG_ALLOC_ORDER): Add frame pointer
+ (FRAME_POINTER_REGNUM): Set to 20
+ (HARD_FRAME_POINTER_REGNUM): New macro.
+ (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
+ to HARD_FRAME_POINTER.
+ (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
+ (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
+ (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
+ (HI_REGISTER_NAMES): Add "frame".
+ (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
+ (debug_reg): Handle FRAME_POINTER_REGNUM.
+ (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
+ GENERAL_REGS and INDEX_REGS.
+ * i386.c (SAVED_REGS_FIRST): new macro.
+ (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
+ (ix86_decompose_address, memory_address_length): Likewise.
+ (regclass_map): Add frame pointer.
+ (call_insn_operand): Handle frame_pointer_rtx.
+ (reg_no_sp_operand): Likewise.
+ (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
+ (print_operand, legitimize_pic_address): Fix formating.
+ (ix86_compute_frame_size): Make static, update prototype, new
+ parameters padding1, padding2, use ix86_nsaved_regs, use
+ stack_alignment_needed.
+ (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
+ to HARD_FRAME_POINTER_REGNUM conversions.
+ (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
+ (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
+ (print_reg): Abort on FRAME_POINTER_REGNUM
+
+Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (PREDICATE_CODES): Add aligned_operand.
+ * i386.c (aligned_operand): New function.
+ (ix86_aligned_p): Kill.
+ * i386.md (movhi_1): Emit mov for aligned operands.
+ (promoting peep2s): Use aligned_operand.
+
+2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
+ expression to allow underscores in macro names.
+ (fix_char_macro_defines): Increment scanning pointer.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
+ * alpha/osf5.h: New file.
+ * configure.in (alpha-*-osf5): Add it to tm_file.
+
+ * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
+
+ * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
+ (alpha_emit_xfloating_cvt, function_arg): Declare.
+ * alpha.c (alpha_emit_conditional_branch): Call
+ alpha_emit_xfloating_compare for TFmode compares.
+ (alpha_lookup_xfloating_lib_func): New.
+ (alpha_compute_xfloating_mode_arg): New.
+ (alpha_emit_xfloating_libcall): New.
+ (alpha_emit_xfloating_arith): New.
+ (alpha_emit_xfloating_compare): New.
+ (alpha_emit_xfloating_cvt): New.
+ (print_operand): Add default abort case.
+ (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
+ * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
+ (BIGGEST_ALIGNMENT): Increase to 128 bits.
+ (RETURN_IN_MEMORY): True for TF/TCmode.
+ (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
+ (FUNCTION_ARG): Move to function_arg.
+ (FUNCTION_ARG_PASS_BY_REFERENCE): New.
+ (ASM_OUTPUT_LONG_DOUBLE): New.
+ (ASM_OUTPUT_DOUBLE): Always output bits.
+ * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
+ (fix_trunctfdi2, floatditf2, floatunsditf2): New.
+ (extenddftf2, trunctfdf2): New.
+
+2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
+ * config/sparc/sol2.h: ... here.
+
+2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (struct loops): New field `levels'.
+ * flow.c (flow_loops_level_compute): Traverse all outer loops.
+ (flow_loop_level_compute): Initialise level to 1.
+ (flow_loops_find): Set loops->levels.
+ (flow_loops_dump): Print loops->levels.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
+ (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (dbx_register_map, svr4_dbx_register_map): New.
+ * i386.h (DBX_REGISTER_NUMBER): Use them.
+ * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
+ * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
+ * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
+ * i386/sequent.h: Kill incorrect comment.
+
+2000-01-23 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (struct page_entry): Make `context_depth' an
+ `unsigned short'.
+ (struct globals): Likewise.
+
+2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
+
+ * loop.c (check_dbra_loop): When checking a loop for
+ reversability, check the source of any stores to ensure
+ they don't depend on an initial value.
+
+2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
+
+2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixincl.c: Move declarations of 'pz_fname' and
+ 'pz_scan' into scope of entire function. Only affects
+ compiles with -DDEBUG.
+
+2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
+
+ * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
+ section naming to that prior to 2000-01-07 patch.
+ * config/mips/elf.h (UNIQUE_SECTION): Ditto.
+ * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
+ * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
+ * config/i386/interix.c (UNIQUE_SECTION): Ditto.
+ * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
+
+2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
+ constant.
+
+2000-01-21 Jim Wilson <wilson@cygnus.com>
+
+ * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
+ * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
+
+2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (change_newlines): Delete function.
+ (struct argdata): Delete 'newlines' and 'use_count' fields.
+ (macroexpand): Remove code referencing those fields.
+
+2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (loops_info): New variable.
+ (loop_optimize): Allocate loops->array and free it on exit.
+ Allocate memory for loops_info and assign to each loop,
+ replacing alloca.
+ (find_and_verify_loops): Do not allocate loops->array.
+
+2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
+
+2000-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
+ pseudos if expanded after first flow.
+ (movdi_pic_label_ref): Likewise.
+
+2000-01-20 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
+
+2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (fixinc.sh): Depend on specs.
+ * fixinc/Makefile.in: Add rule to create machname.h.
+ (fixlib.o): Depend on machname.h.
+ * fixinc/fixtests.c (machine_name): New test.
+ * fixinc/fixfixes.c (machine_name): New fix.
+ * fixinc/fixlib.c (mn_get_regexps): New helper function for
+ the machine_name test and fix.
+ * fixinc/fixlib.h: Prototype it.
+ * fixinc/inclhack.def (machine_name): Use the C test and fix.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
+
+ * gcc.c (do_spec_1) [case P]: Take care not to create
+ identifiers with three leading or trailing underscores.
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
+ (fixincl): Don't specify libraries twice on link line.
+ (gnu-regex.o): Remove special rule.
+ * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
+ defined by config.h. Do not define _REGEX_RE_COMP.
+ (regcomp): Allocate and initialize a fastmap.
+ * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
+
+2000-01-20 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
+
+2000-01-19 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Replace FIRST, LAST and BNUM
+ arguments with BB. Update all callers. Tidy line wrapping.
+
+2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
+
+ * emit-rtl.c (try_split): Return last_insn if we split the
+ last_insn.
+
+Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_compute_frame_size): Remove prototype.
+ (ix86_initial_elimination_offset): Declare.
+ * i386.c (ix86_nsaved_regs): Break out from ...
+ (ix86_can_use_return_insn_p): ... here.
+ (ix86_emit_save_regs): Break out from ...
+ (ix86_expand_prologue): ... here.
+ (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
+ out from ...
+ (ix86_expand_epilogue): ... here.
+ (ix86_compute_frame_size): Make static, add prototype.
+ (ix86_initial_elimination_offset): Break out from ...
+ * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * recog.h (OUT_FCN): Delete.
+
+ * vax.md: Call `get_insn_template' instead of OUT_FCN.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppalloc.c: PROTO -> PARAMS.
+ * cpperror.c: Likewise.
+ * cppfiles.c: Likewise.
+ * cpplib.c: Likewise.
+ * cpplib.h: Likewise.
+
+ * config/arm/arm-protos.h: PROTO -> PARAMS.
+ * config/arm/arm.c: Likewise.
+ * config/c4x/c4x.c: Likewise.
+ * config/fr30/fr30-protos.h: Likewise.
+ * config/nextstep.c: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/pj/pj.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/v850/v850-protos.h: Likewise.
+ * config/v850/v850.c: Likewise.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i370-protos.h: New file.
+
+ * i370.c: Include tm_p.h. Fix compile time warnings.
+
+ * i370.h: Move prototypes to i370-protos.h. Fix compile time
+ warnings.
+
+ * i370.md: Likewise.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
+ (target_isinf, target_isnan, eisnan): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (eiisinf): Wrap in INFINITY.
+ (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
+ (ibmtoe): Remove unused variable `rndsav'.
+
+Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
+ (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
+
+2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
+ * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
+ (fix_char_macro_defines, fix_char_macro_uses): New functions.
+
+ * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
+ Recognize Emacs mode markers also.
+ * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
+ C++ comments in C++ headers. Call is_cxx_header only if
+ necessary.
+
+ * fixinc/inclhack.def (avoid_bool): Add select for the problem and
+ bypass for ncurses.
+ (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
+ (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
+ ... these, which use the new C fixes.
+ (math_exception): Escape literal '+' in bypass expression.
+
+ * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
+ Regenerate.
+
+2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
+ inside the MEM.
+
+2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (loop_optimize): Allocate loop_info structure for each loop
+ prior to calling scan_loop.
+
+Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (find_barrier, gen_block_redirect): Fix indentation.
+ (split_branches, calc_live_regs): Likewise.
+
+Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (fpu_single, fp_mode): New attributes.
+
+2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (current_loop_info): Renamed from loop_info_data
+ and changed to a pointer.
+ (loop_optimize): Allocate loop_info structure for each loop
+ and initialise to zero.
+ (scan_loop): Set current_loop_info.
+
+ * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
+ on iteration_var.
+
+2000-01-19 Richard Henderson <rth@cygnus.com>
+
+ * stupid.c: Die die die.
+ * Makefile.in (OBJS): Remove stupid.o.
+ (stupid.o): Likewise.
+
+ * except.c (emit_eh_context): Don't emit USEs for stupid.
+ * explow.c (probe_stack_range): Likewise.
+ * flags.h (obey_regdecls): Remove.
+ * flow.c (find_basic_blocks): Don't run try_merge_blocks
+ when not optimizing.
+ (life_analysis): Limit data collection when not optimizing.
+ (mark_regs_live_at_end): Always mark the return value registers.
+ (mark_used_regs): Remove dummy RETURN case.
+ (print_rtl_with_bb): Don't consult obey_regdecls.
+ * function.c (use_variable, use_variable_after): Remove.
+ (assign_parms): Consult optimize not obey_regdecls.
+ (expand_function_start): Don't emit USEs for stupid.
+ (expand_function_end): Likewise.
+ * global.c (build_insn_chain): Export.
+ * integrate.c (expand_inline_function): Kill return-value USE
+ handling code.
+ * jump.c (jump_optimize_1): Do simple jump optimizations and
+ dead code elimination.
+ (calculate_can_reach_end): Remove check_deleted argument.
+ (delete_insn): Patch out insns even when not optimizing.
+ * local-alloc.c (block_alloc): Don't do tying when not optimizing.
+ * rtl.h (use_variable, use_variable_after): Remove declarations.
+ (build_insn_chain): Declare.
+ * stmt.c (expand_value_return): Don't emit USEs for stupid.
+ (expand_end_bindings): Likewise.
+ (expand_decl): Likewise. Consult optimize not obey_regdecls.
+ * toplev.c (obey_regdecls): Remove.
+ (rest_of_compilation): Don't set it. Kill stupid in favour of
+ flow1, local-alloc, and reload.
+ (main): Don't set obey_regdecls.
+
+ * config/nextstep.c (handle_pragma): Likewise.
+
+ * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
+
+ * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha-protos.h: PROTO -> PARAMS.
+ * alpha.c: Likewise.
+ * elf.h: Likewise.
+ * h8300.c: Likewise.
+ * i386-protos.h: Likewise.
+ * i386.c: Likewise.
+ * m32r-protos.h: Likewise.
+ * m32r.c: Likewise.
+ * mips.c: Likewise.
+ * mips.md: Likewise.
+ * gmon-sol2.c: Likewise.
+ * sparc.c: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * ns32k-protos.h: New file.
+
+ * ns32k.c: Fix compile time warnings.
+
+ * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
+ warnings.
+
+ * ns32k.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * vax-protos.h: New file.
+
+ * vax.c: Fix compile time warnings.
+
+ * vax.h: Move prototypes to vax-protos.h. Fix compile time
+ warnings.
+
+ * vax.md: Likewise.
+
+ * vaxv.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * romp-protos.h: New file.
+
+ * romp.c: Fix compile time warnings.
+
+ * romp.h: Move prototypes to romp-protos.h. Fix compile time
+ warnings.
+
+ * romp.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * we32k-protos.h: New file.
+
+ * we32k.c: Fix compile time warnings.
+
+ * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
+ warnings.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * except.c (eh_regs): Likewise.
+
+ * final.c (output_operand): Likewise.
+
+ * fold-const.c (target_isinf, target_isnan): Likewise.
+
+Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.h (BIGGEST_ALIGNMENT): Set to 128.
+ (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
+
+ * i386.md (memstr): Do not use rep stosb for counts divisible by 4
+ when optimize_size.
+ (clrstrsi): Rewrite.
+ (strsethi, strsetqi): New expanders.
+ (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
+ (cmpstrsi): Emit compare insn before cmpstrsi_1
+ (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
+ (strlensi_1): Likewise.
+ (cmpstrsi_1): Likewise; do not output compare.
+ (strlen expander): Do not unroll when optimizing for size.
+ (*subsi3_carry): Rename to subsi3_carry
+ (addqi3_cc): New pattern.
+ * i386.h (processor_costs): Add move_ratio field.
+ (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
+ * i386.c (*_cost): Set move_ratio.
+ (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
+ (x86_expand_strlensi_1): Rewrite the main loop.
+
+2000-01-17 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
+ * cse.c (find_comparison_args, fold_rtx): Likewise.
+ * integrate.c (subst_constants): Likewise.
+ * loop.c (get_condition): Likewise.
+
+ * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
+
+ * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
+
+2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
+ (RESTORE_WARN_FLAGS): Unpack it.
+ Change semantic type of extension to ttype.
+ * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
+ * c-parse.y, c-parse.c, objc/objc-parse.y,
+ objc/objc-parse.c: Regenerate.
+
+2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixlib.c: Add copyright notice.
+ (compile_re): New function.
+ * fixinc/fixlib.h: Prototype compile_re.
+
+ * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
+ Use compile_re to compile regular expressions.
+
+ * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
+ where the pattern matched.
+
+ * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
+ use 'replace'.
+ (ultrix_ansi_compat): Likewise.
+ (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
+ add egrep test.
+ (interactv_add2, interactv_add3): Delete.
+ (x11_sprintf): Don't use filename glob.
+ * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
+ Regenerate.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * print-rtl.c: PROTO -> PARAMS.
+ * real.c: Likewise.
+ * reg-stack.c: Likewise.
+ * resource.c: Likewise.
+ * sdbout.h: Likewise.
+ * simplify-rtx.c: Likewise.
+ * stor-layout.c: Likewise.
+ * stupid.c: Likewise.
+ * xcoffout.c: Likewise.
+ * xcoffout.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c: PROTO -> PARAMS.
+ * toplev.h: Likewise.
+ * tree.c: Likewise.
+ * tree.h: Likewise.
+ * unroll.c: Likewise.
+ * varasm.c: Likewise.
+ * varray.c: Likewise.
+ * varray.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * reload.c: PROTO -> PARAMS.
+ * reload.h: Likewise.
+ * reload1.c: Likewise.
+ * reorg.c: Likewise.
+ * resource.h: Likewise.
+ * rtl.c: Likewise.
+ * rtl.h: Likewise.
+ * rtlanal.c: Likewise.
+ * sbitmap.h: Likewise.
+ * sdbout.c: Likewise.
+ * stack.h: Likewise.
+ * stmt.c: Likewise.
+ * system.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * machmode.h: PROTO -> PARAMS.
+ * mbchar.h: Likewise.
+ * mips-tdump.c: Likewise.
+ * mips-tfile.c: Likewise.
+ * optabs.c: Likewise.
+ * output.h: Likewise.
+ * prefix.c: Likewise.
+ * profile.c: Likewise.
+ * protoize.c: Likewise.
+ * real.h: Likewise.
+ * recog.c: Likewise.
+ * recog.h: Likewise.
+ * regclass.c: Likewise.
+ * regmove.c: Likewise.
+ * regs.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * ggc-common.c: PROTO -> PARAMS.
+ * ggc-page.c: Likewise.
+ * ggc-simple.c: Likewise.
+ * ggc.h: Likewise.
+ * global.c: Likewise.
+ * graph.c: Likewise.
+ * gthr-win32.h: Likewise.
+ * haifa-sched.c: Likewise.
+ * halfpic.h: Likewise.
+ * integrate.c: Likewise.
+ * integrate.h: Likewise.
+ * jump.c: Likewise.
+ * lcm.c: Likewise.
+ * local-alloc.c: Likewise.
+ * loop.c: Likewise.
+ * loop.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattr.c: PROTO -> PARAMS.
+ * genattrtab.c: Likewise.
+ * gencheck.c: Likewise.
+ * gencodes.c: Likewise.
+ * genconfig.c: Likewise.
+ * genemit.c: Likewise.
+ * genextract.c: Likewise.
+ * genflags.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * genopinit.c: Likewise.
+ * genoutput.c: Likewise.
+ * genpeep.c: Likewise.
+ * genrecog.c: Likewise.
+
+2000-01-16 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BINFO_VPTR_FIELD): Augment documentation.
+
+2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
+ * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
+ * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
+ * configure, config.in: Rebuilt.
+
+2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/i386/i386.md: Add peephole to merge successive stack
+ adjusts.
+
+Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
+
+ * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
+ instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
+ when walking backwards to find all the parameter loads when
+ the basic block ends in a call.
+
+2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (this_loop_info): Delete.
+ (uid_loop): Add in place of uid_loop_num. All uses updated.
+ (loop_number_exit_count): Delete and replace with entry in loop
+ structure. All uses updated.
+ (loop_number_loop_starts, loop_number_loop_ends): Likewise.
+ (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+ (loop_outer_loop): Likewise.
+ (loop_invalid, loop_number_exit_labels): Likewise.
+ (loop_used_count_register): Delete and replace with entry in
+ loop_info structure.
+ (find_and_verify_loops): Add loops argument.
+ (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
+ loop_end, etc. arguments with loop structure pointer. All callers
+ changed.
+ (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
+ (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
+ (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
+ (insert_bct): Likewise.
+ (basic_induction_var): New argument level.
+ * loop.h (struct loop_info): Delete fields num, loops_enclosed,
+ vtop, and cont. Add used_count_register.
+ (uid_loop): Delete declaration.
+ (loop_number_exit_count): Likewise.
+ (loop_number_loop_starts, loop_number_loop_ends): Likewise.
+ (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+ (loop_outer_loop, loop_used_count_register): Likewise.
+ (loop_invalid, loop_number_exit_labels): Likewise.
+ (unroll_loop): Replace loop_start and loop_end arguments
+ with loop structure pointer.
+ (loop_precondition_p, loop_iterations): Likewise.
+ Include basic-block.h.
+ * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
+ with loop structure pointer.
+ (loop_precondition_p, loop_iterations): Likewise.
+ * basic-block.h (struct loop): New entries vtop, cont,
+ cont_dominator, start, end, top, scan_start, exit_labels,
+ exit_count.
+ * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
+
+2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
+
+2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
+
+ * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pdp11-protos.h: New file.
+
+ * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
+ warnings.
+
+ * pdp11.md: Likewise.
+
+ * 2bsd.h: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mn10300-protos.h: New file.
+
+ * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
+ warnings.
+
+ * mn10300.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mn10200-protos.h: New file.
+
+ * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
+ warnings.
+
+ * mn10200.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * h8300-protos.h: New file.
+
+ * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
+ warnings.
+
+ * h8300.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
+ (asm_emit_uninitialised): Likewise.
+
+2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
+ * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (override_options): Don't turn on extra
+ alignment for mips16.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
+ eabi, and make sure queued POSTINCREMENT rtl is emitted at
+ the right point.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * builtins.c (PAD_VARARGS_DOWN): Define.
+ (std_expand_builtin_va_arg): Use the above macro.
+ * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
+ * tm.texi (Register Arguments): Document the above macro.
+
+2000-01-14 Nick Clifton <nickc@cygnus.com>
+
+ * emit-rtl.c (emit_insn): If checking is enabled, make sure
+ that this function has not been used to emit a jump
+ instruction.
+
+ * jump.c (return_jump_1): Cope with being passed a null rtx.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * eh-common.h: PROTO -> PARAMS.
+ * emit-rtl.c: Likewise.
+ * errors.c: Likewise.
+ * errors.h: Likewise.
+ * except.c: Likewise.
+ * except.h: Likewise.
+ * explow.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * expr.h: Likewise.
+ * final.c: Likewise.
+ * fix-header.c: Likewise.
+ * flow.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * function.h: Likewise.
+ * gcc.c: Likewise.
+ * gcov-io.h: Likewise.
+ * gcov.c: Likewise.
+ * gcse.c: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sh-protos.h: New file.
+
+ * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
+ Add static prototypes. Fix compile time warnings.
+
+ * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
+ * sh.md: Likewise.
+ * elf.h: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arc-protos.h: New file.
+
+ * arc.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * arc.h: Move prototypes to arc-protos.h. Fix compile time
+ warnings.
+
+ * arc.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dsp16xx-protos.h: New file.
+
+ * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
+ warnings.
+
+ * dsp16xx.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * convex-protos.h: New file.
+
+ * convex.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * convex.h: Move prototypes to convex-protos.h. Fix compile time
+ warnings.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * elxsi-protos.h: New file.
+
+ * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
+ warnings.
+
+ * elxsi.md: Likewise.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
+ case for moving from HI/LO/HI_LO_REG. This makes the behavior
+ match the comment for MIPS16.
+
+Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (split_edge): Do not call set_block_for_insn if we
+ do not have a basic_block_for_insn structure.
+
+ * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
+ and destination functions are 32bit aligned within the trampoline.
+ (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
+ (TRAMPOLINE_ALIGNMENT): Define.
+
+ * cse.c (cse_insn): When changing (set (pc) (reg)) to
+ (set (pc) (label_ref)), verify the change creates a valid insn.
+
+ * fr30.c (call_operand): Tighten and rework to match rules for
+ call RTL expressions.
+ * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
+ * fr30.md (call patterns): Improve constraints.
+
+Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
+
+ * fr30.c (fr30_expand_epilogue): Revert last change.
+ Use emit_jump_insn for the return insn.
+
+Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
+ Stan Cox <scox@cygnus.com>
+
+ * predict.c: New file. Preliminary infrastructure work for static
+ branch prediction and basic block reordering.
+ * basic-block.h: Add prototype for estimate_probability.
+ * Makefile.in: Add rules for predict.o.
+
+2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
+
+ * fixincludes (va_list): Use __not_va_list__ for the dummy.
+ * fixinc/*: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c: PROTO -> PARAMS.
+ * cexp.y: Likewise.
+ * collect2.c: Likewise.
+ * combine.c: Likewise.
+ * convert.h: Likewise.
+ * cse.c: Likewise.
+ * dbxout.c: Likewise.
+ * dbxout.h: Likewise.
+ * diagnostic.c: Likewise.
+ * doprint.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarf2out.h: Likewise.
+ * dwarfout.c: Likewise.
+ * dwarfout.h: Likewise.
+ * dyn-string.h: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
+ macro conditionals guarding use.
+
+ * dwarf2out.c: Include "tm_p.h".
+
+ * function.c (locate_and_pad_parm): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (expand_function_end): Likewise for variable `context'.
+
+ * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
+
+2000-01-13 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
+ register to prevent compile time warnings.
+
+2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
+ to avoid -Wtraditional warning.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a-protos.h: New file.
+
+ * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
+ warnings.
+
+ * 1750a.md: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * a29k-protos.h: New file.
+
+ * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
+ warnings.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * clipper-protos.h: New file.
+
+ * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
+ warnings.
+
+Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
+
+2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
+
+ * configure.in (--enable-new-gxx-abi): New option.
+ * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
+ * Makefile.in (GXX_ABI_FLAG): New variable.
+ * configure: Regenerate.
+
+2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
+ * tm.texi (FORCE_STRUCT_BLK): Document.
+ * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
+
+Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/ns32k/ns32k.md: Revert Jan 9 change.
+
+ * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
+ to a mode-test, if the predicate is address_operand.
+
+Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (if_then_else_cond): Be careful about what kinds
+ of RTL expressions are passed to operand_subword.
+
+ * flow.c (split_edge): If we have to insert a new jump, make
+ sure to associate it with a basic block.
+
+ * flow.c (commit_one_edge_insertion): A block with one successor
+ can end in a JUMP_INSN that is not a simplejump.
+
+2000-01-12 Robert Lipe <robertl@sco.com>
+
+ * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
+ (BUILD_VA_LIST_TYPE): Define.
+ (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
+ with crtstuff.c.
+
+2000-01-12 Jason Merrill <jason@casey.cygnus.com>
+
+ * cccp.c (do_pragma): Add cast to (char *).
+
+2000-01-12 Richard Henderson <rth@cygnus.com>
+ Fred Fish <fnf@be.com>
+ Jason Merrill <jason@cygnus.com>
+
+ * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
+ * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
+ * i386/beos-elf.h, i386/beos-pe.h: New files.
+
+ * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
+ * cross-make (SYSTEM_HEADER_DIR): Define using
+ CROSS_SYSTEM_HEADER_DIR.
+
+ * gcc.c (LIBRARY_PATH_ENV): Provide default.
+ (process_command): Use it.
+ (main): Likewise. Kill trailing = from env vars.
+ (build_search_list): Put it back.
+ * collect2.c (main): Use LIBRARY_PATH_ENV.
+
+ * configure.in (GCC_NEED_DECLARATIONS): Add environ.
+ * toplev.c: Use NEED_DECLARATION_ENVIRON.
+
+ * tm.texi (Frame Layout): Document SMALL_STACK.
+ * c-common.c (c_common_nodes_and_builtins): Check it.
+
+ * system.h: Undef alloca after including glibc's <stdlib.h>,
+ if USE_C_ALLOCA is defined.
+
+ * gcc.c (set_input): New fn.
+ (main): After all input files are compiled, reset the input file
+ info to the first.
+
+ * aclocal.m4 (rindex, index): If already defined, don't attempt
+ to redefine.
+
+ * ginclude/varargs.h: (__va_list__): Define ifndef.
+ * ginclude/stdarg.h: Likewise.
+
+ * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
+ instead of unsigned char.
+
+ * hash.h (true, false, boolean): Undef before enum.
+
+ * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
+ proper type of "HOST_WIDE_INT *", rather than their natural type of
+ "unsigned HOST_WIDE_INT *".
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
+
+ * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * regclass.c (choose_hard_reg_mode): Likewise.
+
+ * reload.c (find_valid_class, strict_memory_address_p): Likewise.
+
+ * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c: PROTO -> PARAMS.
+ * c-common.h: Likewise.
+ * c-decl.c: Likewise.
+ * c-iterate.c: Likewise.
+ * c-lang.c: Likewise.
+ * c-lex.c: Likewise.
+ * c-lex.h: Likewise.
+ * c-parse.in: Likewise.
+ * c-pragma.c: Likewise.
+ * c-pragma.h: Likewise.
+ * c-tree.h: Likewise.
+ * c-typeck.c: Likewise.
+ * objc/objc-act.c: Likewise.
+ * objc/objc-act.h: Likewise.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m88k-protos.h: New file.
+
+ * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
+
+ * m88k.md: Likewise.
+
+ * tekXD88.h: Likewise.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k-protos.h: New file.
+
+ * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
+
+ * mot3300.h: Likewise.
+
+2000-01-12 Richard Earnshaw <rearnsha@arm.com>
+
+ * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
+ extract_bitlst.
+ (extract_bitlist): Declare bitlen.
+
+2000-01-12 Zack Weinberg <zack@wolery.cumb.org
+
+ * cccp.c: Accept and ignore -lang-fortran.
+
+ * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
+ qualifiers don't match at any level of pointerness.
+
+2000-01-12 Robert Lipe <robertl@sco.com>
+
+ * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
+
+2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (reload_reg_unavailable): New static variable.
+ (reload_reg_free_p): Test it.
+ (reload_reg_free_for_value_p): Test it instead of
+ reload_reg_used.
+ (choose_reload_regs_init): Compute it.
+
+Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
+
+ * reorg.c (fill_slots_from_thread): Check modified_in_p
+ before replacing.
+
+Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
+
+ * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
+ these nodes even if INTERNALS is not set.
+
+Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
+
+ * gcse.c (delete_null_pointer_checks_1): Cope when
+ get_condition cannot determine the condition.
+
+2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.h (set_message_length): Declare.
+
+ * diagnostic.c (obstack_chunk_alloc): Define macro.
+ (obstack_chunk_free): Likewise.
+ (struct output_buffer): New data structure.
+ (vmessage): Remove.
+ (output_maximum_width): New variable.
+ (doing_line_wrapping, set_message_length, init_output_buffer,
+ get_output_prefix, output_space_left, emit_output_prefix,
+ output_newline, output_append, output_puts, dump_output,
+ vbuild_message_string, build_message_string, build_location_prefix,
+ voutput_notice, output_printf, line_wrapper_printf,
+ vline_wrapper_message_with_location): New functions. Implement
+ automatic line wrapping.
+ (v_message_with_decl): Make it handle automatic line wrapping.
+ (v_error_with_file_and_line): Likewise.
+ (v_warning_with_file_and_line): Likewise.
+ (announce_function): Likewise.
+ (default_print_error_function): Likewise.
+
+2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_options): Change lang_asm to char.
+ Add lang_fortran.
+ * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
+ done in cpp_handle_option now.
+ (initialize_builtins): Take out special case code used only by
+ __STDC_VERSION__.
+ (cpp_handle_option): Turn off trigraphs and trigraph warnings
+ if -traditional. Recognize -lang-fortran and set
+ lang_fortran, also turn off cplusplus_comments.
+ (print_help): Document -lang-fortran.
+ * cpplib.c (handle_directive): Ignore `# 123 "file"' if
+ lang_asm. Ignore all directives other than `# 123 "file"' if
+ CPP_PREPROCESSED.
+ (cpp_get_token): If -traditional, don't recognize directives
+ unless the # is in column 1.
+ (parse_string): If lang_fortran or lang_asm, silently
+ terminate strings ('' or "") at end of line.
+ Remove unnecessary braces.
+
+2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+ Richard Henderson <rth@cygnus.com>
+
+ * resource.c (mark_referenced_resources): Mark a set strict_low_part
+ as used.
+ * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
+ strict_low_part when possible.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c: PROTO -> PARAMS.
+ * basic-block.h: Likewise.
+ * bitmap.c: Likewise.
+ * bitmap.h: Likewise.
+ * builtins.c: Likewise.
+ * c-aux-info.c: Likewise.
+ * caller-save.c: Likewise.
+ * calls.c: Likewise.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o): Depend on regs.h.
+
+ * output.h (tdesc_section): Prototype.
+
+ * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
+
+ * sdbout.c: Include "tm_p.h".
+
+ * toplev.c: Include "regs.h".
+
+Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
+
+ * unroll.c (unroll_loop): Add EH support.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pa-protos.h: New file.
+
+ * pa.c: Include recog.h and tm_p.h.
+ (compute_zdepwi_operands, compute_movstrsi_length,
+ remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
+ find_addr_reg, import_milli): Add static prototypes.
+ (pa_cpu_string, pa_arch_string): Constify a char*.
+ (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
+ (read_only_operand): Add argument `mode'.
+ (singlemove_string, output_move_double, output_fp_move_double,
+ output_block_move, output_and, output_ior, output_ascii,
+ remove_useless_addtr_insns, milli_names, output_mul_insn,
+ output_div_insn, output_mod_insn, output_arg_descriptor,
+ output_cbranch, output_bb, output_bvb, output_dbra, ,
+ output_millicode_call, output_call, hppa_encode_label,
+ output_parallel_movb, output_parallel_addb): Constify a char*.
+ (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
+ (output_parallel_addb): Remove extra arg to `constrain_operands'
+
+ * pa.h: Move all prototypes to pa-protos.h.
+ (pa_cpu_string, pa_arch_string): Constify a char*.
+ (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
+
+ * pa.md: Call `function_label_operand' with mode argument.
+ Likewise for `read_only_operand'.
+ Fix nesting of parens in call to `symbolic_operand'.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i860-protos.h: New file.
+
+ * i860.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
+
+ * i860.md: Likewise.
+
+Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movstrsi expander): Rewrite.
+ (movstrsi_1 insn): Deleted.
+ (strmovhi, strmovqi expander): New expanders.
+ (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
+ * i386.c (x86_single_stringop): New global variable.
+ * i386.h (x86_single_stringop): Declare.
+ (TARGET_SINGLE_STRINGOP): New macro.
+
+2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
+ integer vararg POSTINCREMENT before the destination of the jump
+ for the hard fp case.
+ (function_arg_pass_by_reference): Pass a copy of CUM to
+ FUNCTION_ARG.
+
+ * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
+ for CONSTANT_ADDRESS_P above while loop for subreg.
+
+2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
+
+ * flow.c (propagate_block): When a prologue/epilogue insn
+ is marked dead, unconditionally clear libcall_is_dead and
+ insn_is_dead, and only dump rtl if warnings aren't being
+ suppressed.
+
+Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
+ * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
+ (FIXED_REGISTERS): Set dirflag as fixed.
+ (CALL_USED_REGISTERS): Set dirflag as used.
+ (REG_ALLOC_ORDER): Set dirflag as last one.
+ (DIRFLAG_REG): New macro.
+ (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
+ (HI_REGISTER_NAMES): Add dirflag.
+ (DEBUF_PRINT_REG): Handle dirflag.
+ * i386.md (type attribute): New cld and str types.
+ (length_opcode attribute): Set cld and str to 1.
+ (memory attribute): Set str to unknown - it is not clear from the
+ patterns.
+ (pent_np function unit): Prefixed string operations takes 12 cycles
+ minimally; cld takes 2 cycles.
+ (ppro_uops attribute): Str is "many" and cld is "few".
+ (ppro_p0 unit): Handle cld here.
+ (k6_alux unit): Handle cld and str types.
+ (k6_load unit): It is ocupied by str opcodes.
+ (k6_store unit): It is ocupied by str opcodes.
+ (athlon_decode): Str is vector decoded.
+ (athlon_ieu): Handle str and cld.
+ (cld pattern): New.
+ (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
+ (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
+ cmpstrsi_nz_1 insn): Do not output cld instruction
+
+Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
+
+ * gcc.texi (G++ and GCC): Add Java and Chill.
+ (Bug Critera): Don't list languages.
+
+ * gcc.texi (Incompatibilities): No longer claim most C compilers
+ are K&R.
+
+ * gcc.texi (G++ and GCC): Update other front-ends list.
+
+Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386.c (ix86_expand_setcc): Fix typo.
+ (ix86_expand_movcc): Similarly.
+
+ * Band-aid until haifa's bitset implementation is nuked.
+ * haifa-sched.c (extract_bitlst): New parameter for size of the
+ bitset in bits. All callers changed. Avoid looking at undefined
+ bits in the bitset.
+ (edgeset_bitsize): New variable.
+ (schedule_region): Initialize edgeset_bitsize.
+
+2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (optabs.o): Depend on real.h
+ (resource.o): Depend on insn-attr.h
+
+ * builtins.c (result_vector): Wrap prototype in macro conditions
+ governing definition and use.
+
+ * c-common.c: Include tm_p.h.
+
+ * c-lex.c: Likewise.
+
+ * elfos.h: Constify a char*.
+
+ * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
+ (get_attr_length, shorten_branches, profile_after_prologue): Mark
+ parameter with ATTRIBUTE_UNUSED.
+
+ * fold-const.c (exact_real_inverse): Wrap variable `i' in
+ CHECK_FLOAT_VALUE.
+
+ * haifa-sched.c (schedule_insns): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+ * optabs.c: Include real.h.
+
+ * real.h (ereal_atof): Add prototype arguments.
+
+ * resource.c: Include insn-attr.h.
+
+ * sdbout.c (sdbout_queue_anonymous_type,
+ sdbout_dequeue_anonymous_types): Wrap in macro
+ SDB_ALLOW_FORWARD_REFERENCES.
+ (sdbout_init, sdbout_start_new_source_file): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+ * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
+
+ * stupid.c: Include tm_p.h.
+
+ * tree.c (real_value_from_int_cst): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i960-protos.h: New file.
+
+ * i960.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
+
+2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * combine.c (expand_field_assignment): Do not discard SUBREGs
+ while computing nonzero_bits.
+
+2000-01-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Fix compile time warnings about signed vs
+ unsigned constants.
+ * config/arm/arm.h: Fix compile time warnings about signed vs
+ unsigned constants.
+
+2000-01-09 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (output_return_instruction): Use `ldr' rather
+ than `ldm' with only one register.
+ * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
+ only one register.
+
+ * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
+ clobbered.
+
+Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/ns32k/ns32k.md (load or push effective address): Operand 1
+ must have SImode.
+
+2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
+ assignment used as truth value.
+
+ * function.c (assign_temp): Mark parameter `dont_promote' with
+ ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
+ PROMOTE_FOR_CALL_ONLY.
+
+ * genrecog.c (write_subroutine): Mark variable `operands' with
+ ATTRIBUTE_UNUSED.
+
+ * optabs.c (prepare_cmp_insn): Mark parameter `align' with
+ ATTRIBUTE_UNUSED.
+
+ * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
+ (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
+
+ * toplev.c (note_deferral_of_defined_inline_function): Likewise
+ for `decl'.
+
+2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x.h: Tidy up comments.
+ * config/c4x.c: Likewise.
+
+Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
+
+ * fold-const.c (lshift_double, rshift_double): Handle
+ shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
+
+2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * toplev.c (rest_of_compilation): Initialize cse_not_expected as
+ in prepare_function_start().
+
+Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.c (expand_epilogue): Interrupt functions no
+ longer allocate extra stack for function calls.
+
+2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*subqf3_set): Fix typo.
+
+2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
+
+2000-01-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (processor_target_table): Add power3 as alias for 630.
+ * aix43.h: Revert Aug 2 change.
+ (HAS_INIT_SECTION): Define, not visible yet.
+ (LD_INIT_SWITCH): Define, not visible yet.
+ * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+ * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
+
+ * collect2.c (main): Expand ld2 size further.
+ (export_object_lst): Cast assignment to avoid warning.
+ (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
+ (scan_prog_file, COFF): Do not collect initialization or
+ finalization functions generated for entire shared object if
+ init/fini support present.
+
+2000-01-07 Nick Clifton <nickc@cygnus.com>
+
+ * config/elfos.h: Tidy up formatting of marcos. Make sure
+ that .section directives are always prefixed by a tab.
+
+ * config/svr4.h: Add #include "elfos.h" and remove duplicate
+ definitions.
+
+2000-01-07 Matt Austern <austern@sgi.com>
+
+ * fold-const.c (real_hex_to_f): Remove duplicate declaration of
+ expon.
+
+Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
+ crtstuff.c.
+ (crtbegin.o, s-crtS): Likewise.
+
+2000-01-06 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (adddi_2+1): Limit offset such that it will be
+ loadable with a single ldah+lda pair.
+ (adddi_2+2): Explicitly fail split if we can't make it work.
+
+2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * protoize.c: Conditionally include unistd.h.
+ (IS_SAME_PATH_CHAR): New macro.
+ (IS_SAME_PATH): New macro.
+ (CPLUS_FILE_SUFFIX): New macro.
+ (cplus_suffix): New static variable.
+ (is_abspath): New static function.
+ (in_system_include_dir): Handle DOS style pathnames.
+ (file_could_be_converted): Likewise.
+ (file_normally_convertible): Likewise.
+ (directory_specified_p): Likewise.
+ (file_excluded_p): Likewise.
+ (abspath): Likewise.
+ (shortpath): Likewise.
+ (referenced_file_is_newer): Likewise.
+ (save_def_or_dec): Likewise.
+ (do_processing): Likewise.
+ (main): Likewise.
+ (edit_file): Likewise. Use rename instead of link.
+ (rename_c_file): Likewise. Don't rename syscalls file.
+ (munge_compile_params): Define null device for DOS based systems.
+ (process_aux_info_file): Use binary mode if appliable.
+ (edit_file): Likewise.
+ * invoke.texi (Running Protoize): Document C++ suffixes used.
+
+ * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
+ IS_DIR_SEPARATOR macros.
+ * collect2.c: Likewise.
+ * cppinit.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * gcc.c: Likewise.
+ * gcov.c: Likewise.
+ * prefix.c: Likewise.
+ * rtl.c: Likewise.
+ * toplev.c: Likewise.
+ * system.h: And move to here.
+
+ * prefix.c (update_path): Fix typo in variable name.
+
+2000-01-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
+ (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
+ (count_reg_sets_1, count_reg_references): Likewise.
+ (flow_loops_level_compute): Start counting actual loop depth at 1.
+ (flow_loops_find): Likewise.
+ * local-alloc.c (update_equiv_regs): Likewise.
+ * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
+
+2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
+
+ * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
+ FIRST_PSEUDO_REGISTER
+ * dwarf2out.c: Don't include frame.h
+ * dwarfout.c: Likewise
+ * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
+ frame.h
+
+Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+ dead registers.
+
+ * i386.c (movsf splitter): Fix typo in my last checkin.
+
+2000-01-05 Nick Clifton <nickc@cygnus.com>
+
+ * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
+ own definition of this macro.
+ (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
+ flag_data_sections or UNIQUE_SECTION_P are true.
+
+ * tm.texi (UNIQUE_SECTION): Document that it can be called for
+ unitialised data decls.
+
+ * config/i386/winnt.c (i386_pe_unique_section): Cope with
+ being called for uninitialised data.
+
+ * config/i386/interix.c (i386_pe_unique_section): Cope with
+ being called for uninitialised data.
+
+ * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
+ for uninitialised data.
+
+ * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
+ for uninitialised data.
+
+ * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
+ for uninitialised data.
+
+ * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
+ (UNIQUE_SECTION_P): Always generate a unique section if
+ flag_data_sections is true.
+ (UNIQUE_SECTION): Also generate unique sections for
+ uninitialised data.
+ (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
+ (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
+ named_section().
+
+2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
+ SI, or DI.
+
+2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (udivqi3, divqi3): Delete.
+ (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
+ (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
+ (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
+ (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
+
+ * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
+
+2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * c-decl.c (finish_enum): Simplify code to determine minimum and
+ maximum values of the enum, and calculate the type. Remove check
+ for FUNCTION_DECLs in the values list, which cannot happen. Replace
+ the DECL_INITIAL of each enumeration constant with a copy converted
+ to the enumeration type. When updating variant types, don't bother
+ updating the type itself.
+
+ * c-typeck.c (build_binary_op): Simplify conditional expressions
+ when weeding out spurious signed-unsigned warnings. Add new
+ spurious warning category: if the unsigned quantity is an enum
+ and its maximum value fits in signed_type(result_type). Update
+ commentary.
+ (build_conditional_expr): Warn here if one alternative is signed
+ and the other is unsigned.
+
+2000-01-05 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.h: Remove extraneous comments.
+
+2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (choose_reload_regs): When disabling a reload, also
+ set reload_spill_index to -1.
+
+2000-01-04 Joel Sherrill (joel@OARcorp.com>
+
+ * configure.in (m68*-*-rtemscoff*): New target, formal name for
+ old m68*-*-rtems*.
+ (m68*-*-rtemself*): New target.
+ (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
+ (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
+ (sparc*-*-rtemself*): New target.
+ (sparc*-*-rtems*): Now elf not a.out.
+ * config/i386/rtems.h: Include config/rtems.h.
+ * config/i386/rtemself.h: Include config/rtems.h.
+ * config/i960/rtems.h: Include config/rtems.h.
+ * config/m68k/rtems.h: Include config/rtems.h.
+ * config/m68k/rtemself.h: Include config/rtems.h.
+ * config/mips/rtems64.h: Include config/rtems.h.
+ * config/pa/rtems.h: Include config/rtems.h.
+ * config/rs6000/rtems.h: Include config/rtems.h.
+ * config/sh/rtems.h: Include config/rtems.h.
+ * config/sh/rtemself.h: Include config/rtems.h.
+ * config/sparc/rtems.h: Include config/rtems.h.
+ * config/sparc/rtemself.h: Include config/rtems.h
+
+Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
+
+ * final.c (shorten_branches): Correctly compute length of
+ asms without operands.
+
+Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
+
+ * configure.in: Add pj target.
+ * configure: Regenerate.
+ * config/pj: New directory.
+ * config/pj/lib1funcs.S: New file.
+ * config/pj/linux.h: New file.
+ * config/pj/pj.c: New file.
+ * config/pj/pj.md: New file.
+ * config/pj/pjl.h: New file.
+ * config/pj/t-pj: New file.
+ * config/pj/xm-pj.h: New file
+
+Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (rest_of_compilation): Run shorten-branches before
+ reg-stack for now.
+
+2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
+ macros so that they're consistent with their names.
+ * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+ * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+
+2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
+ modified inadvertently.
+
+2000-01-04 Joel Sherrill <joel@OARcorp.com>
+
+ * configure.in (v850*-*-rtems*): New target.
+ * configure: Regenerate.
+ * config/v850/rtems.h: New file.
+
+2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
+ (__gthread_key_create): Likewise.
+ (__gthread_key_dtor): Likewise.
+ (__gthread_once): Fix logic.
+ (__gthread_key_delete): Cast away constness.
+
+ * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
+ * invoke.texi: Document.
+ * i386/mingw32.h (CPP_SPEC): Use.
+ (LIBGCC_SPEC): Likewise.
+ * i386/crtdll.h (LIBGCC_SPEC): Likewise.
+
+2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
+ (HANDLE_PRAGMA_PACK): Undefine.
+ (SLOW_UNALIGNED_ACCESS): Define.
+
+2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+ to default definition.
+ (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
+ (store_fixed_bit_field): Call macro with word_mode and alignment.
+ (extract_bit_field): Call macro with relevant mode and alignment.
+ * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+ to default definition.
+ (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
+ and alignment.
+ (move_by_pieces_ninsns): Likewise.
+ (clear_by_pieces): Likewise.
+ (emit_push_insn): Likewise.
+ (store_field): Call macro with relevant mode and alignment.
+ (expand_expr): Likewise.
+ (expand_expr_unaligned): Likewise.
+
+ * rs6000.h (HANDLE_PRAGMA_PACK): Define.
+ (SLOW_UNALIGNED_ACCESS): Define.
+ (CASE_VECTOR_MODE): Always use 32-bit offsets.
+ (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+ (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
+ (toc_section): Likewise and .toc pseudo-op.
+ (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
+ 64-bit mode.
+ (TEXT_SECTION_ASM_OP): Likewise.
+ (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+ 32-bit offsets.
+
+ * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
+ * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
+
+Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
+
+ * regclass.c: Revert my Jan 4 change to loop cost computation.
+
+Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
+ compilation.
+
+2000-01-04 Stan Cox <scox@cygnus.com>
+
+ * haifa-sched.c (build_control_flow): Change unreachable simple
+ loop test to check if current block has only one predecessor.
+ (find_rgns): Initialize degree. Use dest as degree index, not src.
+
+2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
+
+ * calls.c (expand_call): Likewise for
+ `old_stack_arg_under_construction'.
+
+ * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
+
+ * function.c (pad_to_arg_alignment): Likewise for `save_var' and
+ `save_constant'.
+
+ * gcc.c (execute): Likewise for `ut' and `st'.
+
+ * genattrtab.c (attr_rtx): Likewise for `rt_val'.
+
+ * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
+
+ * jump.c (jump_optimize_1): Likewise for `temp2'.
+
+ * local-alloc.c (block_alloc): Likewise for `r1'.
+
+ * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
+
+ * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
+ (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
+
+ * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
+ and `set2'.
+
+ * reload.c (find_reloads): Likewise for `goal_alternative_number'
+ and `goal_earlyclobber'.
+
+ * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
+
+ * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
+
+ * stupid.c (stupid_life_analysis): Likewise for `chain'.
+
+ * unroll.c (copy_loop_body): Likewise for `copy'.
+
+ * varasm.c (output_constructor): Likewise for `byte'.
+
+Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
+ all FP constants for constant->reg moves.
+ (ix86_split_to_parts): Try to convert memory address into immediate
+ when available in the constant pool.
+ * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
+ moves.
+ (LEGITIMATE_CONSTANT_P): Return 1.
+ * i386.md (pushsf): New splitter to convert constant pool memory
+ reference to immediate.
+ (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
+ reload.
+
+2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
+ (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
+ ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
+ (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
+ rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
+
+2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * ginclude/stdbool.h: Support compilation as C++.
+
+Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * fold-const.c (make_range): Don't try to reverse an unbounded range.
+
+Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
+
+ * regclass.c (regclass): Properly compute loop_cost. Adjust
+ comments.
+
+ * regclass.c: Fix minor whitespace problems.
+
+2000-01-03 Anthony Green <green@cygnus.com>
+
+ * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
+ Restore the pic register if required.
+
+2000-01-03 Ulrich Drepper <drepper@cygnus.com>
+
+ * c-common.c (format_char_info): Update comment.
+ (check_format_info): Recognize 'z' modifier in the same way 'Z'
+ was recognized. Emit warning for formats new in ISO C99 only
+ if flag_isoc9x is not set.
+
+Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
+
+ * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
+
+Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
+ SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
+ (make_compound_operation): Choose cheaper alternative between
+ ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
+
+ * regclass.c (op_costs): Remove global variable.
+ (record_reg_classes): New parameter "op_costs" and "reg_pref".
+ (record_operand_costs): Break out from ...
+ (scan_one_insn): ... here.
+ (dump_regclass): Make dumps nicer.
+ (regclass): Dump preferrences choosed and changes done during passes.
+
+2000-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
+
+2000-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (gen_df_reg): New function.
+ * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
+ * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
+ movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
+ movtf_cc_reg_sp64+1): Use it.
+
+2000-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
+ copied LABEL_DECLs.
+
+Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/i386/i386.c (ix86_expand_unary_operator): Function
+ definition made void.
+ (ix86_expand_binary_operator): Update outdated preceding comment.
+ * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
+ prototype.
+
+ * config/i386/i386.c (override_options): Fix option-name typo.
+
+2000-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * system.h (CEIL): Define.
+ * builtins.c (CEIL): Remove.
+ * expmed.c (CEIL): Likewise.
+ * expr.c (CEIL): Likewise.
+ * stor-layout.c (CEIL): Likewise.
+
+2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * expr.c (store_constructor_field): Fix typo introduced with last
+ gcc2 merge.
+
+2000-01-01 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BINFO_N_BASETYPES): New macro.
+
+2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * expmed.c (emit_store_flag): Prevent losing a pending stack
+ adjust the same way we prevent losing queued increments.
+
+See ChangeLog.2 for earlier changes.
--
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