ChangeLog

2011-01-17  Richard Henderson  <rth@redhat.com>

	* config/rx/rx-modes.def (CC_F): New mode.
	* config/rx/rx.c (rx_select_cc_mode): New.
	* config/rx/rx.h (SELECT_CC_MODE): Use it.
	* config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

	* except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47313
	* tree-inline.c (tree_function_versioning): Move DECL_RESULT
	handling before copying the body.  Properly deal with
	by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

	PR target/47219
	* config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
	(struct_value_alias_set): Don't define.
	(sparc_option_override): Don't set sparc_sr_alias_set and
	struct_value_alias_set.
	(save_or_restore_regs): Use gen_frame_mem rather than calling
	set_mem_alias_set.
	(sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/47318
	* config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
	__m128i.
	(_mm_maskstore_pd): Likewise.
	(_mm_maskload_ps): Likewise.
	(_mm_maskstore_ps): Likewise.
	(_mm256_maskload_pd): Change mask to __m256i.
	(_mm256_maskstore_pd): Likewise.
	(_mm256_maskload_ps): Likewise.
	(_mm256_maskstore_ps): Likewise.

	* config/i386/i386-builtin-types.def: Updated.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/i386.c (bdesc_special_args): Update
	__builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
	__builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
	__builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
	__builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
	Use <avxpermvecmode> on mask register.
	(avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
            Michael Haubenwallner  <michael.haubenwallner@salomon.at>
            Eric Botcazou  <ebotcazou@adacore.com>

	PR target/46655
	* xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
	if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/install.texi (Configuration, Specific): Wrap long
	lines in examples.  Allow line wrapping in long options
	and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_classify_symbol): Don't return
	SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47276
	* ipa.c (function_and_variable_visibility): Do not try to mark alias
	declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

	* common.opt (fdevirtualize): New flag.
	* doc/invoke.texi (Option Summary): Document it.
	* opts.c (default_options_table): Add devirtualize flag.
	* ipa-prop.c (detect_type_change): Return immediately if
	devirtualize flag is not set.
	(detect_type_change_ssa): Likewise.
	(compute_known_type_jump_func): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/45934
	PR tree-optimization/46302
	* ipa-prop.c (type_change_info): New type.
	(stmt_may_be_vtbl_ptr_store): New function.
	(check_stmt_for_type_change): Likewise.
	(detect_type_change): Likewise.
	(detect_type_change_ssa): Likewise.
	(compute_complex_assign_jump_func): Check for dynamic type change.
	(compute_complex_ancestor_jump_func): Likewise.
	(compute_known_type_jump_func): Likewise.
	(compute_scalar_jump_functions): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.
	(ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
	* config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
	-mcpu options.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
	* config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
	Likewise.
	* config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
	-fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

	* config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
	* config/fr30/fr30.md: Likweise
	(movsi_push): Likewise.
	(movsi_pop): Likewise.
	(enter_func): Likewise.
	* config/moxie/moxie.md (movsi_push): Likewise.
	(movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/openbsd.h (LINK_SPEC): Likewise.
	* config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (ASM_SPEC): Remove
	%{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
	ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
	-nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
	for mcpu not cpu.
	* config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
	CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
	not cpu.
	(CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
	Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/avr/avr.h (CPP_SPEC): Don't handle -posix.
	(CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
	* config/m32r/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux64.h (LINK_SPEC): Likewise.
	* config/sparc/linux.h (LINK_SPEC): Likewise.
	* config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
	LINK_SPEC): Likewise.
	* config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
	%{version:-v}.
	* config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
	supports -Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
	Jack Howarth <howarth@bromo.med.uc.edu>

	PR target/46037
	* config/darwin.c (darwin_override_options): Honor flag_gtoggle
	when checking debug_info_level. Test write_symbols instead of
	debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47179
	* target.def (ref_may_alias_errno): New target hook.
	* targhooks.h (default_ref_may_alias_errno): Declare.
	* targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
	(default_ref_may_alias_errno): New function.
	* target.h (struct ao_ref_s): Declare.
	* tree-ssa-alias.c: Include target.h.
	(call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
	* Makefile.in (tree-ssa-alias.o): Adjust dependencies.
	(targhooks.o): Likewise.
	* doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
	* doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47280
	* tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
	return CFG changes.
	(tree_ssa_forward_propagate_single_use_vars): Deal with
	CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47281
	Revert
	2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47286
	* tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/46823
	* tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
	LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
	* config/xtensa/xtensa.c (xtensa_libcall_value,
	xtensa_function_value_regno_p): New functions.
	(TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

	PR c++/47213
	* config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
	PE specific hook.
	* config/i386/i386-protos.h (i386_pe_assemble_visibility):
	New function prototype.
	* config/i386/winnt.c (i386_pe_assemble_visibility):
	Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47251
	* config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
	floating point.
	(floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (print_operand_address): Replace 'error' with
	'output_operand_lossage'.
	(print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

	PR rtl-optimization/39077
	* doc/invoke.texi (max-gcse-insertion-ratio): Document.
	* params.h (MAX_GCSE_INSERTION_RATIO): Define.
	* params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
	* lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
	* gcse.c (prune_insertions_deletions): New function.
	(compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

	PR debug/PR46973
	* dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
	static function.
    	(prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/45352
	* sel-sched.c: Update copyright years. 
	(reset_sched_cycles_in_current_ebb): Also recheck the DFA state
	in the advancing loop when we have issued issue_rate insns. 

2011-01-12  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
	(TARGET_MD_ASM_CLOBBERS): New.

	* config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
	(TARGET_DELEGITIMIZE_ADDRESS): New.

	* config/mn10300/mn10300.md (UNSPEC_BSCH): New.
	(clzsi2, *bsch): New patterns.

	* config/mn10300/mn10300.md (INT): New mode iterator.
	(*mov<INT>_clr): New pattern, and peep2 to generate it.

	* config/mn10300/mn10300.c (mn10300_option_override): Force enable
	flag_split_wide_types.

	* config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
	(mn10300_trampoline_init): Rewrite without a template, an immediate
	load and a direct branch.
	* config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
	* config/s390/s390.c (s390_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

	PR debug/47209
	* dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
	of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR driver/47244
	* gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
	(PLUGIN_COND_CLOSE): New macro.
	(LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR lto/47259
	* lto-streamer-out.c (output_gimple_stmt): Do not wrap
	register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
	crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
	hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
	i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
	i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
	x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
	ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
	m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
	mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
	s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
	sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
	am33_2.0-*-linux*): Use gnu-user.h before linux.h.
	* config/gnu-user.h: New.  Copied from linux.h.
	(LINUX_TARGET_STARTFILE_SPEC): Rename to
	GNU_USER_TARGET_STARTFILE_SPEC.
	(LINUX_TARGET_ENDFILE_SPEC): Rename to
	GNU_USER_TARGET_ENDFILE_SPEC.
	(LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
	(LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
	(OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
	LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
	CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
	UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
	BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
	BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
	TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
	* config/arm/linux-eabi.h (CC1_SPEC): Use
	GNU_USER_TARGET_CC1_SPEC.
	(LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
	(STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
	(ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
	* config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
	LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
	LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
	CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
	LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR other/46946
	* doc/invoke.texi (ffast-math): Document it is turned on
	with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47233
	* opts.c (common_handle_option): Disable ipa-reference with profile
	feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>	

	* c-parser.c (c_parser_objc_at_property_declaration): Improved
	error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_lex_one_token): Updated and reindented some
	comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_var): Don't output the variable if there is
	already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
	declaration.  Rewrite for both speed and size.
	(mn10300_address_cost_1): Remove.
	(mn10300_register_move_cost): New.
	(mn10300_memory_move_cost): New.
	(mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
	ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
	extensions, shifts, BSWAP, CLZ.
	(mn10300_wide_const_load_uses_clr): Remove.
	(TARGET_REGISTER_MOVE_COST): New.
	(TARGET_MEMORY_MOVE_COST): New.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

	* config/mn10300/constraints.md ("R", "T"): Remove constraints.
	* config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (movsi_internal): Don't use "R".
	(*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
	(iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
	(*test_int_bitfield, *test_byte_bitfield): Remove.
	(*bit_test, *subreg_bit_test): Remove.
	* config/mn10300/predicates.md (const_8bit_operand): Remove.

	* config/mn10300/constraints.md ("c"): Rename from "A".
	("A", "D"): New constraint letters.
	* config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
	(fmssf4, fnmasf4, fnmssf4): Likewise.

	* config/mn10300/mn10300.md (isa): New attribute.
	(enabled): New attribute.

	* config/mn10300/mn10300.md (absdf2, negdf2): Remove.
	(abssf2, negsf2): Define only for hardware fp.
	(sqrtsf2): Reformat.
	(addsf3, subsf3, mulsf3): Merge expander and insn.

	* config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
	(DEBUGGER_AUTO_OFFSET): Remove.
	(DEBUGGER_ARG_OFFSET): Remove.

	* config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
	Emit register stores with the same offsets as the hardware.
	(mn10300_store_multiple_operation): Don't check that the register
	save offsets are monotonic.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

	* config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
	in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

	PR lto/45721
	PR lto/45375
	* tree.h (symbol_alias_set_t): Move typedef here from varasm.c
	(symbol_alias_set_destroy, symbol_alias_set_contains,
	propagate_aliases_backward): Declare.
	* lto-streamer-out.c (struct sets): New sturcture.
	(trivally_defined_alias): New function.
	(output_alias_pair_p): Rewrite.
	(output_unreferenced_globals): Fix output of alias pairs.
	(produce_symtab): Likewise.
	* ipa.c (function_and_variable_visibility): Set weak alias destination
	as needed in lto.
	* varasm.c (symbol_alias_set_t): Remove.
	(symbol_alias_set_destroy): Export.
	(propagate_aliases_forward, propagate_aliases_backward): New functions
	based on ...
	(compute_visible_aliases): ... this one; remove.
	(trivially_visible_alias): New
	(trivially_defined_alias): New.
	(remove_unreachable_alias_pairs): Rewrite.
	(finish_aliases_1): Reorganize code checking if alias is defined.
	* passes.c (rest_of_decl_compilation): Do not call assemble_alias when
	in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45235
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
	volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47239
	* tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

	PR tree-optimization/47086
	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
	IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* profile.c (read_profile_edge_counts): Ignore profile inconistency
	when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/46083
	* lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
	DECL_FINI_PRIORITY.
	* lto-streamer-in.c (unpack_ts_function_decl_value_fields):
	Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi: Fix quoting of multi-word return values in
	@deftypefn statements.  Ensure presence of return value.  Wrap
	overlong @deftypefn lines.
	(is_gimple_operand, is_gimple_min_invariant_address): Remove
	descriptions of removed functions.
	* doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
	of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
	(Conditional Expressions, Logical Operators)
	(Statement and operand traversals): Do not indent smallexample
	code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

	PR tree-optimization/47141
	* ipa-split.c (split_function): Handle case where we are
	returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47234 
	* tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
	(pass_feedback_split_functions): Declare.
	* passes.c (init_optimization_passes): Add ipa-split as subpass of
	tree-profile.
	* ipa-split.c (gate_split_functions): Update comments; disable
	split-functions for profile_arc_flag and branch_probabilities.
	(gate_feedback_split_functions): New function.
	(execute_feedback_split_functions): New function.
	(pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/46760
	* tree-inline.c (tree_can_inline_p): Check e->call_stmt before
	calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/47218
	* cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47232
	* c-parser.c (c_parser_declaration_or_fndef): Improved
	error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/winnt.c (i386_pe_start_function): Make sure
	to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

	PR gcc/46902
	PR testsuite/46912
	* plugin.c: Move include of dlfcn.h from here...
	* system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/cpp.texi (C++ Named Operators): Fix markup for header
	file name.
	* doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
	two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47078
	* c-parser.c (c_parser_objc_type_name): If the type is unknown,
	for error recovery purposes behave as if it was not specified so
	that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optmization/46469
	* ipa.c (function_and_variable_visibility): Clear needed flags on
	nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

	* opts.c (finish_options): Set opts->x_flag_opts_finished to true,
	not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
	and no longer claim that gold is required for linker plugin.
	* configure: Regenerate.
	* gcc.c (PLUGIN_COND): New macro.
	(LINK_COMMAND_SPEC): Use it.
	(main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
	* config.in (HAVE_LTO_PLUGIN): New.
	* configure.ac (--with-lto-plugin): New parameter; autodetect
	HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/46367
	* ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
	when we can update original.
	(cgraph_mark_inline_edge): Sanity check.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/42445
	* gcc.c (%>S): New.
	(SWITCH_KEEP_FOR_GCC): Likewise.
	(set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
	(do_spec_1): Handle "%>".

	* config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/47201
	* config/i386/i386.c (ix86_delegitimize_address): If
	simplify_gen_subreg fails, return orig_x.

	PR bootstrap/47187
	* value-prof.c (gimple_stringop_fixed_value): Handle
	lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* target.def (function_switched_text_sections): New hook.
	* doc/tm.texi: Regenerated.
	* doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
	* final.c (default_function_switched_text_sections): New.
	(final_scan_insn): Call function_switched_text_sections when a
	mid-function section change occurs.
	* output.h (default_function_switched_text_sections): Declare.
	* config/darwin-protos.h (darwin_function_switched_text_sections):
	Likewise.
	* config/darwin.c (darwin_function_switched_text_sections): New.
	* config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
	DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
	the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
	Remove.
	* config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/46704
	* dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
	when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

	Bobcat Enablement
	* config.gcc (i[34567]86-*-linux* | ...): Add btver1.
	(case ${target}): Add btver1.
	* config/i386/driver-i386.c (host_detect_local_cpu): Let
	-march=native recognize btver1 processors.
	* config/i386/i386-c.c (ix86_target_macros_internal): Add
	btver1 def_and_undef
	* config/i386/i386.c (struct processor_costs btver1_cost): New
	btver1 cost table.
	(m_BTVER1): New definition.
	(m_AMD_MULTIPLE): Includes m_BTVER1.
	(initial_ix86_tune_features): Add btver1 tune.
	(processor_target_table): Add btver1 entry.
	(static const char *const cpu_names): Add btver1 entry.
	(software_prefetching_beneficial_p): Add btver1.
	(ix86_option_override_internal): Add btver1 instruction sets.
	(ix86_issue_rate): Add btver1.
	(ix86_adjust_cost): Add btver1.
	* config/i386/i386.h (TARGET_BTVER1): New definition.
	(enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
	(enum processor_type): Add PROCESSOR_BTVER1.
	* config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/43309
	* config/i386/i386.c (legitimize_tls_address)
	<TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
	* config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
	(tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Overall Options): Improve wording and markup
	of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
	rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/38118
	* config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
	if coming from .tdata.
	* config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

	PR lto/47188
	* collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR other/45915
	* configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
	--version output if supported.
	* configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/linux-android.opt (tno-android-cc, tno-android-ld): New
	Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/47150
	* c-convert.c (convert): When converting a complex expression
	other than COMPLEX_EXPR to a different complex type, ensure
	c_save_expr is called instead of save_expr, unless in_late_binary_op.
	* c-typeck.c (convert_for_assignment): Set in_late_binary_op also
	when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/47139
	* tree-vect-loop.c (vect_is_simple_reduction_1): Check that
	only the last reduction value is used outside the loop.  Update
	documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

	* config/rtems.opt: New.
	* config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.c (ix86_option_override_internal): Bulldozer
	processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Set parameter
	PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

2011-01-05  Jan Hubicka  <jh@suse.cz>

	* lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
	at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

	PR lto/47162
	* lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
	deltas on streamed outgoing edges.
	(output_node_opt_summary): Output info for outgoing edges only when
	the node is in new parameter set.
	(output_cgraph_opt_summary): New parameter set, passed to the two
	aforementioned functions.  Update its forward declaration and its
	callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

	* c-parser.c (c_parser_omp_atomic): Pass location of assignment
	operator to c_finish_omp_atomic.
	* c-typeck.c (lvalue_or_else): Add 'loc' argument.
	(build_unary_op): Update.
	(build_modify_expr): Update.
	(build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
	newly inserted insns.
	(pad_bb): Likewise.
	(spu_emit_branch_hint): Likewise.
	(insert_hbrp_for_ilb_runout): Likewise.
	(spu_machine_dependent_reorg): Call df_finish_pass after
	schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47005
	* tree-sra.c (struct access): Add 'non_addressable' bit.
	(create_access): Set it for a DECL_NONADDRESSABLE_P field.
	(decide_one_param_reduction): Return 0 if the parameter is passed by
	reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47056
	* cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
	(mark_load): Likewise.  Handle FUNCTION_DECL specially.
	(mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
	initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47055
	* libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas <pth@suse.de>

	* config/microblaze/microbalse.opt (mxl-float-convert): Fix
	obvious typo.

2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* function.c (thread_prologue_and_epilogue_insns): Do not crash
	on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

	* config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
	non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

	PR driver/47137
	* gcc.c (default_compilers[]): Set combinable field to 0
	for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

	* config/mips/loongson3a.md: New file.
	* config/mips/mips.md: Include loongson3a.md.
	* config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
	TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/47017
	* expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
	instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Update error text
	for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
	if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47148
	* ipa-split.c (split_function): Convert arguments to
	DECL_ARG_TYPE if possible.

	PR tree-optimization/47155
	* tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
	when computing uns.

	PR rtl-optimization/47157
	* combine.c (try_combine): If undobuf.other_insn becomes
	(set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
	and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47021
	* graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46801
	* tree-sra.c (type_internals_preclude_sra_p): Check whether
	aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* tree-vect-generic.c (expand_vector_operations_1): When using vector/
	vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
	a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46984
	* cgraph.h (cgraph_indirect_call_info): make field thunk_delta
	HOST_WIDE_INT.
	(cgraph_create_indirect_edge): Fixed line length.
	(cgraph_indirect_call_info): Declare.
	(cgraph_make_edge_direct) Update declaration.
	* cgraph.c (cgraph_allocate_init_indirect_info): New function.
	(cgraph_create_indirect_edge): Use it.
	(cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
	callees.
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
	the new thunk_delta representation.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
	HOST_WIDE_INT.
	(ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
	(ipa_read_indirect_edge_info): Likewise.
	* lto-cgraph.c (output_edge_opt_summary): New function.
	(output_node_opt_summary): Call it on all outgoing edges.
	(input_edge_opt_summary): New function.
	(input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

	* regrename.c: Add general comment describing the pass.
	(struct du_head): Remove 'length' field.
	(get_element, merge_sort_comparison, merge, sort_du_head): Remove.
	(regrename_optimize): Do not sort chains.  Rework comments, add others.
	Force renaming to the preferred class (if any) in the first pass and do
	not consider registers that belong to it in the second pass.
	(create_new_chain): Do not set 'length' field.
	(scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47140
	* tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
	TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
	to bit_value_binop.

	PR rtl-optimization/47028
	* cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
	parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/generic.texi: Remove duplicated "@subsubsection Statements".
	Remove the word "see" before "@pxref".
	* doc/rtl.texi: Remove the word "see" before "@pxref".

2011-01-01  Jan Hubicka  <jh@suse.cz>

	* tree-loop-distribution.c (tree_loop_distribution): Do not use freed
	memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

	PR target/38662
	* tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.


Copyright (C) 2011 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.