ChangeLog

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

	* cgraph.c: Fix comment typos.
	* cgraph.h: Likewise.
	* cgraphunit.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-ref.c: Likewise.
	* ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47684
	* tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR testsuite/47400
	* doc/sourcebuild.texi (Require Support): Document
	dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_option_override): Disable
	-fcombine-stack-adjustments until flag value tracking and compare
	optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Revert
	change from 2011-02-03.
	* config/rx/rx.c (flags_from_code): Likewise.
	(rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
	is valid, n/pz otherwise.
	(rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47677
	* tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/47665
	* combine.c (make_compound_operation): Only change shifts into
	multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

	PR testsuite/47622
	Revert
	2011-02-05  Jie Zhang  <jie@codesourcery.com>
	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47664
	* ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
	all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

	PR target/46481
	PR target/47032
	* config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Same.
	(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/45505
	* tree-sra.c (struct access): New flags grp_scalar_read and
	grp_scalar_write.  Changed description of assignment read and write
	flags.
	(dump_access): Dump new flags, reorder all of them.
	(sort_and_splice_var_accesses): Set the new flag accordingly, use them
	to detect multiple scalar reads.
	(analyze_access_subtree): Use the new scalar read write flags instead
	of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

	PR target/47548
	* config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
	patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/m68k/uclinux.opt: New.
	* config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

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

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/vax/elf.opt: New.
	* config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/gnu-user.opt: New.
	* config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
	*-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
	*-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

	* config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
	* config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

	* common.opt (fcx-limited-range): Add SetByCombined flag.
	(ffinite-math-only, fmath-errno, frounding-math): Likewise.
	(fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
	(fassociative-math, freciprocal-math): Likewise.
	(funsafe-math-optimizations): Likewise.
	* opth-gen.awk: Handle SetByCombined.
	* optc-gen.awk: Likewise.
	* opts.c (set_fast_math_flags): Don't override flag if set by frontend.
	(set_unsafe_math_optimizations_flags): Likewise.
	* doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
	i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
	m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
	m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
	sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46834
	PR tree-optimization/46994
	PR tree-optimization/46995
	* graphite-sese-to-poly.c (used_outside_reduction): New.
	(detect_commutative_reduction): Call used_outside_reduction.
	(rewrite_commutative_reductions_out_of_ssa_close_phi): Call
	translate_scalar_reduction_to_array only when at least one
	loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47639
	* tree-vect-generic.c (expand_vector_operations_1): Update
	stmts here ...
	(expand_vector_operations): ... not here.  Cleanup EH info
	and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47641
	* tree-ssa.c (execute_update_addresses_taken): For asm outputs
	require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gimple-low.c (lower_function_body): Don't remove the location of
	the return statement here.
	(lower_gimple_return): Do it here instead but only if the return
	statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47632
	* tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
	unused up_to_stmt parameter, return whether cfg-cleanup is
	necessary, remove EH info properly.
	(forward_propagate_into_gimple_cond): Adjust caller.
	(forward_propagate_into_cond): Likewise.
	(forward_propagate_comparison): Likewise.
	(tree_ssa_forward_propagate_single_use_vars): Make
	forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.opt (mliw): New command line option.
	* config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
	(liw_bundling): New automaton.
	(liw): New attribute.
	(liw_op): New attribute.
	(liw_op1, liw_op2, liw_both, liw_either): New reservations.
	(movsi_internal): Add LIW attributes.
	(andsi3): Likewise.
	(iorsi3): Likewise.
	(xorsi3): Likewise.
	(addsi3): Separate register and immediate alternatives.
	Add LIW attributes.
	(subsi3): Likewise.
	(cmpsi): Likewise.
	(aslsi3): Likewise.
	(lshrsi3): Likewise.
	(ashrsi3): Likewise.
	(liw): New pattern.
	* config/mn10300/mn10300.c (liw_op_names): New
	(mn10300_print_operand): Handle 'W' operand descriptor.
	(extract_bundle): New function.
	(check_liw_constraints): New function.
	(liw_candidate): New function.
	(mn10300_bundle_liw): New function.
	(mn10300_reorg): New function.
	(TARGET_MACHINE_DEPENDENT_REORG): Define.
	(TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
	* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
	__LIW__ or __NO_LIW__.
	* doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
	* config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
	pthread_mutex_unlock): Remove.
	* config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
	* config/pa/t-pa64: Likewise.
	* config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
	shared libc if not linking against libpthread.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47558
	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
	on 10.6 and later to ensure that we always use the unwinder from
	the system.  Only add -no_compact_unwind when tarteting darwin
	10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
	(vec_interleave_lowv2sf): Ditto.
	(vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
	(vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	PR target/42333
	Add __ieee_divdc3 entry point.
	* config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
	entry point.
	(SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
	* config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
	* config/darwin.c (darwin_rename_builtins): Add.
	* config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47636
	* config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
	for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	* config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

	PR target/47534
	* config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47615
	* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
	* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
	(run_scc_vn): Initialize it.
	(visit_reference_op_load): Use it.
	* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_init_libfuncs): Install SImode and
	DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47621
	* tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
	two duplicates ...
	(execute_update_addresses_taken): ... here.  Make it more
	conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/freebsd.h (ASM_SPEC): Define.
	* config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi: Remove reference to compiler internals from
	user documentation.

	* reg-notes.def: Remove REG_VALUE_PROFILE.
	* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47610
	* varasm.c (default_section_type_flags): If decl is NULL,
	and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46194
	* tree-data-ref.c (analyze_miv_subscript): Remove comment.
	(build_classic_dist_vector_1): Do not represent classic distance
	vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/iris6.opt: New.
	* config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
	    Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/predicates.md (mux1_brcst_element): New.
	* config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
	* config/ia64/ia64.c (ia64_unpack_assemble): New.
	(ia64_unpack_sign): New.
	(ia64_expand_unpack): Rewrite using new routines.
	(ia64_expand_widen_sum): Ditto.
	(ia64_expand_dot_prod_v8qi): Ditto.
	* config/ia64/vect.md (mulv8qi3): Rewrite to use new
	routines, add endian check.
	(pmpy2_even): Rename from pmpy2_r, add endian check.
	(pmpy2_odd): Rename from pmpy2_l, add endian check.
	(vec_widen_smult_lo_v4hi): Rewrite using new routines.
	(vec_widen_smult_hi_v4hi): Ditto.
	(vec_widen_umult_lo_v4hi): Ditto.
	(vec_widen_umult_hi_v4hi): Ditto.
	(mulv2si3): Change endian checks.
	(sdot_prodv4hi): Rewrite with new calls.
	(udot_prodv4hi): New.
	(vec_pack_ssat_v4hi): Add endian check.
	(vec_pack_usat_v4hi): Ditto.
	(vec_pack_ssat_v2si): Ditto.
	(max1_even): Rename from max1_r, add endian check.
	(max1_odd): Rename from max1_l, add endian check.
	(*mux1_rev): Format change.
	(*mux1_mix): Ditto.
	(*mux1_shuf): Ditto.
	(*mux1_alt): Ditto.
	(*mux1_brcst_v8qi): Use new predicate.
	(vec_extract_evenv8qi): Remove endian check.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Format change.
	(vec_interleave_highv4hi): Ditto.
	(mix2_even): Rename from mix2_r, add endian check.
	(mix2_odd): Rename from mux2_l, add endian check.
	(*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_helper): Format change.
	(vec_extract_evenv4hi): Remove endian check.
	(vec_extract_oddv4hi): Remove endian check.
	(vec_interleave_lowv2si): Format change.
	(vec_interleave_highv2si): Format change.
	(vec_initv2si): Remove endian check.
	(vecinit_v2si): Add endian check.
	(reduc_splus_v2sf): Add endian check.
	(reduc_smax_v2sf): Ditto.
	(reduc_smin_v2sf): Ditto.
	(vec_initv2sf): Remove endian check.
	(fpack): Add endian check.
	(fswap): Add endian check.
	(vec_interleave_highv2sf): Add endian check.
	(vec_interleave_lowv2sf): Add endian check.
	(fmix_lr): Add endian check.
	(vec_setv2sf): Format change.
	(*vec_extractv2sf_0_be): Use shift to extract operand.
	(*vec_extractv2sf_1_be): New.
	(vec_pack_trunc_v4hi): Add endian check.
	(vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/23200
	* tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
	do bb, locus and block comparison and disallow loads if it is not set.
	(stmt_is_replaceable_p): New function.
	(process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
	callers.
	* expr.c (expand_expr_real_1) <case SSA_NAME>: If
	get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
	SSA_NAME_DEF_STMT.
	* tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/xilinx.opt: New.
	* config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
	secondary_reload_info, xtensa_secondary_reload): Remove.
	* config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
	(xtensa_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
	Use CONST_DOUBLE_P predicate.
	(xtensa_preferred_output_reload_class): New function.
	(xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
	Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
	Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/31490
	* output.h (SECTION_RELRO): Define.
	(SECTION_MACH_DEP): Adjust.
	(get_variable_section): New prototype.
	* varpool.c (varpool_finalize_named_section_flags): New function.
	(varpool_assemble_pending_decls): Call it.
	* cgraph.h (varpool_finalize_named_section_flags): New prototype.
	* cgraphunit.c (cgraph_output_in_order): Call
	varpool_finalize_named_section_flags.
	* varasm.c (get_section): Allow section flags conflicts between
	relro and read-only sections if the section hasn't been declared yet.
	Set SECTION_OVERRIDE after diagnosing section type conflict.
	(get_variable_section): No longer static.
	(default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
	readonly sections that need relocations.
	(decl_readonly_section_1): New function.
	(decl_readonly_section): Use it.

	Revert:
	2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
		    Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/31490
	* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
	if section attribute used.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	* config/darwin.h (SECTION_NO_ANCHOR): Remove.
	* config/darwin.c (SECTION_NO_ANCHOR): Define.
	(darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Remove
	lt and ge.
	* config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
	* config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
	instead of "n" and "pz".
	(flags_from_code): LT and GE tests need CC_FLAG_O as well as
	CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/47312
	* expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
	fma, expand FMA_EXPR as fma{,f,l} call.

	PR lto/47274
	* lto-streamer-out.c (write_symbol): When writing kind and visibility,
	copy them into a unsigned char variable and pass address of it to
	lto_output_data_stream.

	PR target/47564
	* toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
	around backend_init_target and lang_dependent_init_target calls.
	* cgraphunit.c (cgraph_debug_gimple_stmt): New function.
	(verify_cgraph_node): Don't call set_cfun here.  Use
	cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
	Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/43092
	PR rtl-optimization/43494
	* rtl.h (for_each_inc_dec_fn): New type.
	(for_each_inc_dec): Declare.
	* rtlanal.c (struct for_each_inc_dec_ops): New type.
	(for_each_inc_dec_find_inc_dec): New fn.
	(for_each_inc_dec_find_mem): New fn.
	(for_each_inc_dec): New fn.
	* dse.c (struct insn_size): Remove.
	(replace_inc_dec, replace_inc_dec_mem): Remove.
	(emit_inc_dec_insn_before): New fn.
	(check_for_inc_dec): Use it, along with for_each_inc_dec.
	(canon_address): Pass mem modes to cselib_lookup.
	* cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
	(cselib_lookup_from_insn): Likewise.
	(cselib_subst_to_values): Likewise.
	* cselib.c (find_slot_memmode): New var.
	(cselib_find_slot): New fn.  Use it instead of
	htab_find_slot_with_hash everywhere.
	(entry_and_rtx_equal_p): Use find_slot_memmode.
	(autoinc_split): New fn.
	(rtx_equal_for_cselib_p): Rename and implement in terms of...
	(rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
	Deal with autoinc.  Special-case recursion into MEMs.
	(cselib_hash_rtx): Likewise.
	(cselib_lookup_mem): Infer pmode from address mode.  Distinguish
	address and MEM modes.
	(cselib_subst_to_values): Add memmode, pass it on.
	Deal with autoinc.
	(cselib_lookup): Add memmode argument, pass it on.
	(cselib_lookup_from_insn): Add memmode.
	(cselib_invalidate_rtx): Discard obsolete push_operand handling.
	(struct cselib_record_autoinc_data): New.
	(cselib_record_autoinc_cb): New fn.
	(cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
	mode to cselib_lookup.  Reset autoinced REGs here instead of...
	(cselib_process_insn): ... here.
	* var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
	to cselib_lookup.
	(add_uses): Likewise, also to cselib_subst_to_values.
	(add_stores): Likewise.
	* sched-deps.c 	(add_insn_mem_dependence): Pass mode to
	cselib_subst_to_values.
	(sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
	* gcse.c (do_local_cprop): Adjusted.
	* postreload.c (reload_cse_simplify_set): Adjusted.
	(reload_cse_simplify_operands): Adjusted.
	* sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR tree-optimization/45122
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
	unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47272
	* doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
	Document using vector double with the load/store builtins, and
	that the load/store builtins always use Altivec instructions.

	* config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
	to use altivec memory instructions, even on VSX.
	(vector_altivec_store_<mode>): Ditto.

	* config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
	function.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	V2DF, V2DI support to load/store overloaded builtins.

	* config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
	altivec load/store builtins for V2DF/V2DI types.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
	set avoid indexed addresses on power6 if -maltivec.
	(altivec_expand_ld_builtin): Add V2DF, V2DI support, use
	vector_altivec_load/vector_altivec_store builtins.
	(altivec_expand_st_builtin): Ditto.
	(altivec_expand_builtin): Add VSX memory builtins.
	(rs6000_init_builtins): Add V2DI types to internal types.
	(altivec_init_builtins): Add support for V2DF/V2DI altivec
	load/store builtins.
	(rs6000_address_for_altivec): Insure memory address is appropriate
	for Altivec.

	* config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
	vec_vsx_ld and vec_vsx_st.
	(vsx_store_<mode>): Ditto.

	* config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
	variables to hold long long types for VSX vector memory builtins.
	(RS6000_BTI_unsigned_long_long): Ditto.
	(long_long_integer_type_internal_node): Ditti.
	(long_long_unsigned_type_internal_node): Ditti.

	* config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
	(altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
	(altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

	* config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
	short cuts.
	(vec_vsx_st): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/pa/pa-hpux10.opt: New.
	* config/hpux11.opt (pthread): New Driver option.
	* config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
	* config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/ia64/vms.opt: New.
	* config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47580
	* config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
	gpc_reg_operand instead of vsx_register_operand to match rs6000.md
	generator functions.
	(vsx_floatuns<VSi><mode>2): Ditto.
	(vsx_fix_trunc<mode><VSi>2): Ditto.
	(vsx_fixuns_trunc<mode><VSi>2): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
	Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/47525
	* df-scan.c: Update copyright years.
	(df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
	and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sysv4.h (TARGET_VERSION): Remove.
	(SUBTARGET_RETURN_IN_MEMORY): Remove.
	(ASM_OUTPUT_ASCII): Remove.
	* config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

	PR middle-end/47543
	* reload.c (find_reloads_address): Handle reg+d address where both
	components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40979
	PR bootstrap/47044
	* passes.c (init_optimization_passes): After LIM call copy_prop
	and DCE to clean up.
	* tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47576
	PR tree-optimization/47555
	* doc/invoke.texi (scev-max-expr-complexity): Documented.
	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
	(PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
	* tree-scalar-evolution.c (follow_ssa_edge): Use
	PARAM_SCEV_MAX_EXPR_COMPLEXITY.

2011-02-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47566
	* builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Remove unused caller
	variable.

	PR debug/47106
	PR debug/47402
	* tree-flow-inline.h (clear_is_used, is_used_p): New.
	* cfgexpand.c (account_used_vars_for_block): Use them.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	(remove_unused_locals): Likewise.

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Add result decl to
	local decls only once.
	* gimple-low.c (record_vars_into): Mark newly-created variables
	as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47498
	PR debug/47501
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nto.opt: New.
	* config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/netware.opt: New.
	* config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

	* config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
	class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47561
	* toplev.c (process_options): Print the Graphite flags.  Add
	flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/vxworks.opt: New.
	* config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/elf.opt: New.
	* config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
	alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47559
	* tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
	store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

	* tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
	* tree-pass.h (TDF_CSELIB): New macro.
	* cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
	cselib_lookup): Check for it rather than for TDF_DETAILS.

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

	PR driver/47547
	* lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
	is HOST_BIT_BUCKET.

	* opts.c (finish_options): Don't add x_aux_base_name if it is
	HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47555
	Revert
	2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

	PR gcc/46692
	* config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47541
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
	sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/osf5.opt: New.
	* config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (ftree-loop-linear): Use Alias to make it an alias of
	-floop-interchange.
	* invoke.texi (-ftree-loop-linear): Make it clear that this flag
	is an alias of -floop-interchange and that it requires the
	Graphite infrastructure.
	* tree-ssa-loop.c (gate_graphite_transforms): Do not set
	flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47538
	* tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
	type instead of r1type, except for comparisons.  For right
	shifts and comparisons punt if there are mismatches in
	sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
	version number.
	* configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_option): Define.
	(gcc_cv_ld_dynamic_option): Define.
	(gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
	instead.
	(HAVE_LD_STATIC_DYNAMIC): Update message.
	(LD_STATIC_OPTION): Define.
	(LD_DYNAMIC_OPTION): Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
	HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
	registers inside interrupt handlers if the handler is not a leaf
	function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
	reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	PR libgcj/44341
	* doc/install.texi: Document host options discarded when cross
	configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	Reverted:
	2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (print_operand): Rearrange addends in
	toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi: Follow spelling conventions.
	* doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

	* config/hpux11.opt: New.
	* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
	ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>

	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
	to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (hppa-hp-hpux10): Remove references to HP
	support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Binaries): Remove outdated reference for
	Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Thread-Local): Adjust reference to Ulrich
	Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR bootstrap/47147
	* ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
	used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

	* value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.c (arm_legitimize_reload_address): New.
	* config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
	arm_legitimize_reload_address.
	* config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Ignore macros whose definitions include
	two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/42894
	* varasm.c (force_const_mem): Store copy of x in desc->constant
	instead of x itself.
	* expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
	itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

	* config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
	-Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
	* config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
	* config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
	(s390_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

	PR middle-end/46949
	* cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
	(process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47228
	* tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
	build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson <mikpe@it.uu.se>

	PR rtl-optimization/46856
	* postreload.c (reload_combine_recognize_const_pattern): Do not
	separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR c/43082
	* c-typeck.c (c_objc_common_truthvalue_conversion): If we are
	passed a VOID_TYPE expression, immediately emit an error and
	return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

	PR rtl-optimization/47464
	* df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
	rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

	PR rtl-optimization/46878
	* combine.c (insn_a_feeds_b): Check for the implicit cc0
	setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/44469
	* cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
	after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/i386/netware.h (LINK_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/i386/sol2-10.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC32): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.
	* config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
	(*mux2): Ditto.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si: Ditto.
	(vec_pack_trunc_v2si): Ditto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR target/47237
	* cgraph.h (cgraph_local_info): New field can_change_signature.
	* ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
	signature can change.
	(ipcp_estimate_growth): Call sequence simplify only if calle signature
	can change.
	(ipcp_insert_stage): Only compute args_to_skip if signature can change.
	(cgraph_function_versioning): We can not change signature of functions
	that don't allow that.
	* lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
	(lto_input_node): Likewise.
	* ipa-inline.c (compute_inline_parameters): Compute
	local.can_change_signature.
	* ipa-split.c (visit_bb): Never split away APPLY_ARGS.
	* tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
	functions that can not change signature.
	* i386.c (ix86_function_regparm, ix86_function_sseregparm,
	init_cumulative_args): Do not use local calling conventions
	for functions that can not change signature.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47190
	* cgraphunit.c (process_common_attributes): New function.
	(process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR lto/47423
	* cgraphbuild.c (record_eh_tables): Record reference to personality
	function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45454
	* sel-sched.c (moveup_expr): Don't let debug insns prevent
	non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/40125
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
	t-dlldir{,-x} fragment for build and add it to tmake_file.
	(i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
	* Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
	* config/i386/t-dlldir: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-dlldir-x: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
	(SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/47246
	* config/arm/arm.c (thumb2_legitimate_index_p): Change the
	lower bound of the allowed Thumb-2 coprocessor load/store
	index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Improve lexing of macro expansion to only
	accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/43601
	* tree.c (handle_dll_attribute): Handle it.
	* doc/extend.texi (@item dllexport): Mention it.
	* doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/26854
	* c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
	(decl_jump_unsafe): Move higher in file, with no other change.
	(bind): Set has_jump_unsafe_decl if appropriate.
	(update_label_decls): Test has_jump_unsafe_decl to avoid loop.
	(check_earlier_gotos): Likewise.
	(c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/invoke.texi (Warning Options): Add missing hyphen.
	(-fprofile-dir): Minor grammatical fixes.
	(-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* Makefile.in (LAMBDA_H): Removed.
	(TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
	(OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
	lambda-trans.o, and tree-loop-linear.o.
	(lto-symtab.o): Remove dependence on LAMBDA_H.
	(tree-loop-linear.o): Remove rule.
	(lambda-mat.o): Same.
	(lambda-trans.o): Same.
	(lambda-code.o): Same.
	(tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
	(tree-vect-slp.o): Same.
	* hwint.h (gcd): Moved here.
	(least_common_multiple): Same.
	* lambda-code.c: Removed.
	* lambda-mat.c: Removed.
	* lambda-trans.c: Removed.
	* lambda.h: Removed.
	* tree-loop-linear.c: Removed.
	* lto-symtab.c: Do not include lambda.h.
	* omega.c (gcd): Removed.
	* passes.c (init_optimization_passes): Remove pass_linear_transform.
	* tree-data-ref.c (print_lambda_vector): Moved here.
	(lambda_vector_copy): Same.
	(lambda_matrix_copy): Same.
	(lambda_matrix_id): Same.
	(lambda_vector_first_nz): Same.
	(lambda_matrix_row_add): Same.
	(lambda_matrix_row_exchange): Same.
	(lambda_vector_mult_const): Same.
	(lambda_vector_negate): Same.
	(lambda_matrix_row_negate): Same.
	(lambda_vector_equal): Same.
	(lambda_matrix_right_hermite): Same.
	* tree-data-ref.h: Do not include lambda.h.
	(lambda_vector): Moved here.
	(lambda_matrix): Same.
	(dependence_level): Same.
	(lambda_transform_legal_p): Removed declaration.
	(lambda_collect_parameters): Same.
	(lambda_compute_access_matrices): Same.
	(lambda_vector_gcd): Same.
	(lambda_vector_new): Same.
	(lambda_vector_clear): Same.
	(lambda_vector_lexico_pos): Same.
	(lambda_vector_zerop): Same.
	(lambda_matrix_new): Same.
	* tree-flow.h (least_common_multiple): Removed declaration.
	* tree-parloops.c (lambda_trans_matrix): Moved here.
	(LTM_MATRIX): Same.
	(LTM_ROWSIZE): Same.
	(LTM_COLSIZE): Same.
	(LTM_DENOMINATOR): Same.
	(lambda_trans_matrix_new): Same.
	(lambda_matrix_vector_mult): Same.
	(lambda_transform_legal_p): Same.
	* tree-pass.h (pass_linear_transform): Removed declaration.
	* tree-ssa-loop.c (tree_linear_transform): Removed.
	(gate_tree_linear_transform): Removed.
	(pass_linear_transform): Removed.
	(gate_graphite_transforms): Make flag_tree_loop_linear an alias of
	flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47265
	PR tree-optimization/47443
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
	if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47382
	* gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
	(gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>

	* config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
	sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47426
	* tree-ssa-structalias.c (ipa_pta_execute): Make externally
	visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/45701
	* config/arm/arm.c (any_sibcall_uses_r3): New function.
	(arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47271
	* tree-if-conv.c (bb_postdominates_preds): New.
	(if_convertible_bb_p): Call bb_postdominates_preds.
	(if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
	(predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
	* config/rx/rx.c (rx_function_value): Likewise.
	(rx_promote_function_mode): Likewise.
	(gen_safe_add): Place an outsized immediate value inside an UNSPEC
	in order to make it legitimate.
	* config/rx/rx.md (adddi3_internal): If the second operand is a MEM
	make sure that the first operand is the same as the result register.
	(addsi3_unspec): Delete.
	(subdi3): Do not accept immediate operands.
	(subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47427
	PR tree-optimization/47428
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47414
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
	correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
	(close_phi_written_to_memory): Call for_each_index with
	dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
	when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
	call to graphite_find_data_references_in_stmt.
	* graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
	(try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
	call to graphite_find_data_references_in_stmt.
	(analyze_drs_in_stmts): Same.
	* tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
	in which the scalar analysis of indices is performed.
	(create_data_ref): Same.  Update call to dr_analyze_indices.
	(find_data_references_in_stmt): Update call to create_data_ref.
	(graphite_find_data_references_in_stmt): Same.
	* tree-data-ref.h (graphite_find_data_references_in_stmt): Update
	declaration.
	(create_data_ref): Same.
	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
	call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Move
	rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
	VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (reduction_dr_1): Allow several reductions
	in a reduction PBB.
	* graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
	that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (same_close_phi_node): New.
	(remove_duplicate_close_phi): New.
	(make_close_phi_nodes_unique): New.
	(canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
	of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Remove
	the gdim parameter.
	(build_lexicographical_constraint): Adjust call to
	ppl_powerset_is_empty.
	(dependence_polyhedron): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
	parameter.
	* graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c
	(translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
	(close_phi_written_to_memory): New.
	(translate_scalar_reduction_to_array): Call close_phi_written_to_memory
	and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/install.texi: Update the expected version number of PPL to 0.11.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
	#if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c: Include graphite-cloog-util.h.
	(new_poly_ddr): Inlined into dependence_polyhedron.
	(free_poly_ddr): Moved close by new_poly_ddr.
	(dependence_polyhedron_1): Renamed dependence_polyhedron.
	Early return NULL when ppl_powerset_is_empty returns true.
	(dependence_polyhedron): Renamed new_poly_ddr.  Call only once
	poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
	(graphite_legal_transform_dr): Call new_poly_ddr.
	(graphite_carried_dependence_level_k): Same.
	(dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
	(dot_transformed_deps_stmt_1): Removed.
	(dot_deps_stmt_1): Call dot_deps_stmt_2.
	(dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
	(dot_deps_1): Call dot_deps_2.
	* Makefile.in (graphite-dependences.o): Add missing dependence on
	graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
	(build_lexicographical_constraint): Same.
	(dependence_polyhedron_1): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): New.
	* graphite-ppl.h (ppl_powerset_is_empty): Declared.
	* tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_pairwise_scheduling): Correctly compute
	the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Stop the
	iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
	nest and two loop depths as parameters.
	(lst_try_interchange_loops): Call lst_interchange_profitable_p after
	lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (print_pddr): Call
	ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-ppl.c (debug_gmp_value): New.
	* graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

	* doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
	invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

	PR c/21659
	* doc/extend.texi (weak pragma): Drop claim that it must
	appear before definition.
	* varasm.c (merge_weak, declare_weak): Only sanity check
	that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* machmode.def: Fixed comments.

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

	* emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

	* builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
	WORDS_BIG_ENDIAN.

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/46519
	* config/i386/i386.c: Include sbitmap.h and fibheap.h.
	(block_info): Add scanned and prev.
	(move_or_delete_vzeroupper_2): Return if the basic block
	has been scanned and the upper 128bit state is unchanged
	from the last scan.
	(move_or_delete_vzeroupper_1): Return true if the exit
	state is changed.
	(move_or_delete_vzeroupper): Visit basic blocks using the
	work-list based algorithm based on vt_find_locations in
	var-tracking.c.

	* config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
	* config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
	-mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
	then define __v850e1__.
	* doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
	compound unordered comparisons.
	* config/rx/rx.c (rx_split_fp_compare): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (gcc_conds, rx_conds): Remove.
	(cbranchsf4): Don't call rx_split_fp_compare.
	(*cbranchsf4): Use rx_split_cbranch.
	(*cmpsf): Don't accept "i" constraint.
	(*conditional_branch): Only valid after reload.
	(cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47385
	* config/rs6000/altivec.md (vector constant splitters): Add
	support for creating vector single precision constants if -mvsx is
	used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/47166
	* reload1.c (emit_reload_insns): Disable the spill_reg_store
	mechanism for PRE_MODIFY and POST_MODIFY.
	(inc_for_reload): For PRE_MODIFY, return the insn that sets the
	reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

	* compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR lto/47333
	* lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/43884
	PR lto/44334
	* predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
	* doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/s390/s390.c (s390_register_move_cost,
	s390_memory_move_cost): New.
	(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR middle-end/47401
	* except.c (sjlj_assign_call_site_values): Move setting the
	crtl->uses_eh_lsda flag to ...
	(sjlj_mark_call_sites): ... here.
	(sjlj_emit_function_enter): Support NULL dispatch label.
	(sjlj_build_landing_pads): In a function with no landing pads
	that still has must-not-throw regions, generate code to register
	a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

	* config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

	* config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

	* compare-elim.c: New file.
	* Makefile.in (OBJS-common): Add it.
	(compare-elim.o): New.
	* common.opt (fcompare-elim): New.
	* opts.c (default_options_table): Add OPT_fcompare_elim.
	* tree-pass.h (pass_compare_elim_after_reload): New.
	* passes.c (init_optimization_passes): Add it.
	* recog.h: Protect against re-inclusion.
	* target.def (TARGET_FLAGS_REGNUM): New POD hook.
	* doc/invoke.texi (-fcompare-elim): Document it.
	* doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
	* doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (cstoresf4): Pass comparison operator to
	rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (UNSPEC_CONST): New.
	(deallocate_and_return): Wrap the amount popped off the stack in
	an UNSPEC_CONST in order to stop it being rejected by
	-mmax-constant-size.
	(pop_and_return): Add a "(return)" rtx.
	(call): Drop the immediate operand.
	(call_internal): Likewise.
	(call_value): Likewise.
	(call_value_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(sibcall): Likewise.  Generate an explicit call using
	sibcall_internal.
	(sibcall_value): Likewise.
	(mov<>): FAIL if a constant operand is not legitimate.
	(addsi3_unpsec): New pattern.

	* config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
	(ok_for_max_constant): New function.
	(gen_safe_add): New function.
	(rx_expand_prologue): Use gen_safe_add.
	(rx_expand_epilogue): Likewise.
	(rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
	UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

	PR tree-optimization/47053
	* tree-ssa-dse.c (need_eh_cleanup): New bitmap.
	(dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
	statements are deleted.
	(tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
	is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47402
	Temporarily revert:
	2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/47106
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45566
	* except.c (convert_to_eh_region_ranges): Emit queued no-region
	notes from other section in hot/cold partitioning even if
	last_action is -3.  Increment call_site_base.

	PR rtl-optimization/47366
	* fwprop.c (forward_propagate_into): Return bool.  If
	any changes are made, -fnon-call-exceptions is used and
	REG_EH_REGION note is present, call purge_dead_edges
	and return true if it purged anything.
	(fwprop_addr): Adjust callers, call cleanup_cfg (0) if
	any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

	PR rtl-optimization/41619
	* caller-save.c (setup_save_areas): Break out code to determine
	which hard regs are live across calls by examining the reload chains
	so that it is always used.
	Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47355
	* tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
	NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	* cfgexpand.c (account_used_vars_for_block): Only account vars
	that are annotated as used.
	(estimated_stack_frame_size): Don't set TREE_USED.
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47395
	* tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47365
	* tree-ssa-sccvn.h (vn_lookup_kind): Declare.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	* tree-ssa-sccvn.c (vn_walk_kind): New static global.
	(vn_reference_lookup_3): Only look through kills if in
	VN_WALKREWRITE mode.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	* tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
	(compute_avail): Likewise.
	(eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
	DECL_IGNORED_P non-reg vars if they are used.

	PR tree-optimization/47391
	* varpool.c (const_value_known_p): Return false if
	decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47215
	* config/i386/i386.c (ix86_local_alignment): Handle
	case for va_list_type_node is nil.
	(ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
	builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.md (define_attr type): Rename f_load
	and f_store to f_fpa_load and f_fpa_store. Update.
	(write_conflict): Deal with rename fallout.
	(*push_fp_multi): Likewise.
	* config/arm/fpa.md (f_load): Use f_fpa_load.
	(f_store): Use f_fpa_store.
	(*movsf_fpa): Likewise.
	(*movdf_fpa): Likewise.
	(*movxf_fpa): Likewise.
	(*thumb2_movsf_fpa): Likewise.
	(*thumb2_movdf_fpa): Likewise.
	(*thumb2_movxf_fpa): Likewise.
	* config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
	f_loadd and f_stored.
	(*thumb2_movdi_vfp): Likewise.
	(*thumb2_movsf_vfp): Fix attribute to f_loads.
	(*thumb2_movsi_vfp): Likewise.
	* config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
	Use f_loads instead of f_load.
	* config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
	* config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
	(xtensa_mode_dependent_address_p): New function.
	(constantpool_address_p): Make static. Change return type to bool.
	Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46583
	* tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47283
	* cfgexpand.c (expand_debug_expr): Instead of generating
	(mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
	etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47370
	* tree-inline.c (remap_gimple_op_r): Recurse manually for
	the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/46130
	* ipa-split.c (consider_split): If return_bb contains non-virtual
	PHIs other than for retval or if split_function would not adjust it,
	refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47167
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Revert previous change, only avoid enumeral type changes.

2011-01-19  Mike Stump  <mikestump@comcast.net>

	* doc/tm.texi.in (BRANCH_COST): Englishify.
	* doc/tm.texi (BRANCH_COST): Likewise.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

	PR c++/47291
	* dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
	(gen_scheduled_generic_parms_dies): New functions.
	(gen_struct_or_union_type_die): Schedule template parameters DIEs
	generation for the end of CU compilation.
	(dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46240
	* tree-into-ssa.c (maybe_register_def): Do not attempt to add
	debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47079
	PR debug/46724
	* function.c (instantiate_expr): Instantiate incoming rtl of
	implicit arguments, and recurse on VALUE_EXPRs.
	(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
	* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	* c-parser.c (c_parser_for_statement): Initialize
	collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
	(LINK_SHLIB_SPEC): Don't use %(link_path).
	(SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
	(NO_SHARED_LIB_SUPPORT): Remove.
	(LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.
	* config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
	* config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared} and conditionals on these options not being passed.
	* config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	* ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
	simplify.

	* ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
	(*mulsi3): Likewise.

	* longlong.h [__mn10300__] (count_leading_zeros): New.
	[__mn10300__] (umul_ppmm, smul_ppmm): New.
	[__mn10300__] (add_ssaaaa, subddmmss): New.
	[__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
	[__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (addsi3_flags): New.
	(addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
	(subsi3_flags, subc_internal, subdi3): New.
	(subdi3_internal, *subdi3_degenerate): New.
	* config/mn10300/predicates.md (reg_or_am33_const_operand): New.

	* config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
	(mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
	(mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
	(return_ret): Likewise.  Rename from return_internal_regs.
	(return_internal): Remove.

	* config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
	(mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
	(mn10300_legitimate_constant_p): Likewise.
	(mn10300_can_use_return_insn): Use mn10300_initial_offset.
	(mn10300_frame_size): New.
	(mn10300_expand_prologue): Use it.
	(mn10300_expand_epilogue): Likewise.
	(mn10300_initial_offset): Likewise.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
	* config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
	(prologue, epilogue, return_internal): Tidy output code.
	(mn10300_store_multiple_operation, return): Likewise.
	(int_label, pop_pic_reg, GOTaddr2picreg): Remove.
	(am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
	(add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
	(load_pic, am33_load_pic): New.
	(mn10300_load_pic0, mn10300_load_pic1): New.

	* config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
	* config/mn10300/mn10300.c (CC_FLAG_Z): New.
	(CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
	(cc_flags_for_mode, cc_flags_for_code): New.
	(mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
	overflow flag is not valid.  Validate that the flags we need
	for the comparison are valid.
	(mn10300_output_cmp): Remove.
	(mn10300_output_add): New.
	(mn10300_select_cc_mode): Use cc_flags_for_code.
	(mn10300_split_cbranch): New.
	(mn10300_match_ccmode): New.
	(mn10300_split_and_operand_count): New.
	* config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
	to the function.
	* config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
	(addsi3): ... here.  Use mn10300_output_add.
	(*addsi3_flags): New.
	(*am33_subsi3, *mn10300_subsi3): Merge...
	(subsi3): ... here.  Use attribute isa.
	(*subsi3_flags): New.
	(negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
	when possible.
	(*am33_andsi3, *mn10300_andsi3): Merge...
	(andsi3): ... here.
	(*andsi3_flags): New.
	(andsi3 splitters): New.
	(*am33_iorsi3, *mn10300_iorsi3): Merge...
	(iorsi3): ... here.
	(*iorsi3_flags): New.
	(*am33_xorsi3, *mn10300_xorsi3): Merge...
	(xorsi3): ... here.
	(*xorsi3_flags): New.
	(*am33_cmpsi2, *mn10300_cmplsi2): Merge...
	(one_cmplsi2): ... here.
	(*one_cmplsi2_flags): New.
	(*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
	instead of "dax" in constraints.  Use mn10300_split_cbranch.
	(*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
	use matching constraints to eliminate a self-comparison.
	(*integer_conditional_branch): Rename from integer_conditional_branch.
	Use int_mode_flags to match CC_REG.
	(*cbranchsi4_btst, *btstsi): New.
	(*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
	mn10300_split_cbranch.
	(*am33_cmpsf): Rename from am33_cmpsf.
	(*float_conditional_branch): Rename from float_conditional_branch.
	(*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
	(zero_extendqisi2): ... here.
	(*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
	(zero_extendhisi2): ... here.
	(*extendqisi2_am33, *extendqisi2_mn10300): Merge...
	(extendqisi2): ... here.
	(*extendhisi2_am33, *extendhisi2_mn10300): Merge...
	(extendhisi2): ... here.
	(*am33_ashlsi3, *mn10300_ashlsi3): Merge...
	(ashlsi3): ... here.
	(*am33_lshrsi3, *mn10300_lshrsi3): Merge...
	(lshrsi3): ... here.
	(*am33_ashrisi3, *mn10300_ashrsi3): Merge...
	(ashrsi3): ... here.
	(consecutive add peephole): Remove.
	* config/mn10300/predicates.md (label_ref_operand): New.
	(int_mode_flags): New.
	(CCZN_comparison_operator): New.

	* config/mn10300/mn10300.md (UNSPEC_EXT): New.
	(throughput_42_latency_43): New reservation.
	(mulsidi3, umulsidi3): New expanders.
	(mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
	the MDR register to allocation; separately allocate the low and
	high parts of the DImode result.
	(umulsidi3_internal): Similarly.
	(*am33_mulsi3, *mn10300_mulsi3): Merge into ...
	(*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
	(udivsi3, umodsi3): Remove.
	(udivmodsi4, divmodsi4): New expanders.
	(*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
	(*divmodsi4): Simiarly.
	(ext_internal): New.

	* config/mn10300/constraints.md ("z"): New constraint.
	* config/mn10300/mn10300.h (MDR_REGNUM): Remove.
	(FIXED_REGISTERS): Don't fix MDR.
	(CALL_USED_REGSITERS): Reformat nicely.
	(REG_ALLOC_ORDER): Add MDR.
	(enum regclass): Add MDR_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
	(IRA_COVER_CLASSES): Add MDR_REGS.
	(REGNO_REG_CLASS): Handle MDR_REG.
	* config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
	(mn10300_register_move_cost): Likewise.
	* config/mn10300/mn10300.md (MDR_REG): New.
	(*movsi_internal): Handle moves to/from MDR_REGS.

	* config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
	POST_MODIFY.
	(mn10300_secondary_reload): Tidy combination reload classes.
	(mn10300_legitimate_address_p): Allow post-modify and reg+reg
	addresses for AM33.  Allow symbolic offsets for reg+imm.
	(mn10300_regno_in_class_p): New.
	(mn10300_legitimize_reload_address): New.
	* config/mn10300/mn10300.h (enum reg_class): Remove
	DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
	SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
	SP_OR_GENERAL_REGS.
	(REG_CLASS_NAMES): Update to match.
	(REG_CLASS_CONTENTS): Likewise.
	(INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
	(BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
	(REGNO_IN_RANGE_P): Remove.
	(REGNO_DATA_P): Use mn10300_regno_in_class_p.
	(REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
	(REGNO_STRICT_OK_FOR_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
	(REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
	(REGNO_GENERAL_P): New.
	(HAVE_POST_MODIFY_DISP): New.
	(USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
	(LEGITIMIZE_RELOAD_ADDRESS): New.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
	DATA_REGS for AM33 stack-pointer destination.
	(mn10300_preferred_output_reload_class): Likewise.
	(mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
	into a form appropriate for ...
	(TARGET_SECONDARY_RELOAD): New.
	* config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
	reload_insi; use the "A" constraint for the scratch; handle AM33
	moves of sp to non-address registers.

	* config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
	(*movqi_internal): ... here.
	(*am33_movhi, *mn10300_movhi): Merge into...
	(*movhi_internal): ... here.
	(*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
	as the source/destination of moves from/to SP.
	(movsf): Only allow for AM33-2.
	(*movsf_internal): Use "r" instead of "dax"; use "F" instead of
	any integer constant constraint.  Only allow for AM33-2.  Tidy
	all of the alternative outputs.
	(movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
	(udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
	for MN103.
	(udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi.in: Spell out that a lack of register class unions
	can lead to ICEs.
	* doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47337
	* dce.c (check_argument_store): New function.
	(find_call_stack_args): Ignore debug insns.  Use check_argument_store.

	PR tree-optimization/47290
	* tree-eh.c (infinite_empty_loop_p): New function.
	(cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
	(a64_expand_widen_sum): Ditto.
	* vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si): Ditto.
	(vec_extract_evenv2sf): Ditto.
	(vec_extract_oddv2sf): Ditto.
	(vec_pack_trunc_v4hi: Ditto.
	(vec_pack_trunc_v2si): Ditto.
	(vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
	(vec_interleave_highv8qi): Ditto.
	(mix1_r): Ditto.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Ditto.
	(vec_interleave_highv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* doc/extend.texi: Mention __float128 support on hppa HP-UX.
	* config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
	* config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
	(pa_c_mode_for_suffix): New.
	(TARGET_EXPAND_BUILTIN): Define.
	(TARGET_C_MODE_FOR_SUFFIX): Define.
	(pa_builtins): Define.
	(pa_init_builtins): Register __float128 type and init new support
	builtins.
	* config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
	* config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/46894
	* explow.c (allocate_dynamic_stack_space): Do not assume more than
	BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
	are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR tree-optimization/47179
	* config/spu/spu.c (spu_ref_may_alias_errno): New function.
	(TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/47216
	* emit-rtl.c: Include tree-flow.h.
	(set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
	of replicating it with different semantics.
	* Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
	(cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47299
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
	subtarget.  Use normal multiplication if both operands are constants.
	* expmed.c (expand_widening_mult): Don't try to optimize constant
	multiplication if op0 has VOIDmode.  Convert op1 constant to mode
	before using it.

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

	* doc/lto.texi (LTO): Ensure two spaces after period.  Fix
	spacing after 'e.g.', typos, comma, hyphenation.

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

	* config/rx/predicates.md (rx_constshift_operand): Use match_test.
	(rx_restricted_mem_operand): New.
	(rx_shift_operand): Use register_operand.
	(rx_source_operand, rx_compare_operand): Likewise.
	* config/rx/rx.md (addsi3_flags): New expander.
	(adddi3): Rewrite as expander.
	(adc_internal, *adc_flags, adddi3_internal): New patterns.
	(subsi3_flags): New expander.
	(subdi3): Rewrite as expander.
	(sbb_internal, *sbb_flags, subdi3_internal): New patterns.

	* config/rx/rx.c (RX_BUILTIN_SAT): Remove.
	(rx_init_builtins): Remove sat builtin.
	(rx_expand_builtin): Likewise.
	* config/rx/rx.md (ssaddsi3): New.
	(*sat): Rename from sat.  Represent the CC_REG input.

	* config/rx/predicates.md (rshift_operator): New.
	* config/rx/rx.c (rx_expand_insv): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
	operand to the canonical position.
	(*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
	(*bitclr, *bitclr_in_memory): Similarly.
	(*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
	(insv): Retain the zero_extract in the expansion.

	* config/rx/rx.md (bswapsi2): Use = not + for output reload.
	(bswaphi2, bitinvert, revw): Likewise.

	* config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
	(gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
	* config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
	(stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
	(bitset, bitset_in_memory): Likewise.
	(bitinvert, bitinvert_in_memory): Likewise.
	(bitclr, bitclr_in_memory): Likewise.
	(insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
	(rx_strend, rx_cmpstrn): Likewise.
	(rx_setmem): Likewise.  Make the source BLKmode to match the dest.
	(bitop peep2 patterns): Remove.

	* config/rx/rx.c (rx_match_ccmode): New.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (abssi2): Clobber, don't set flags.
	(addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
	(rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
	(subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
	(fix_truncsfsi2, floatsisf2): Likewise.
	(*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
	(*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
	(*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
	(*subsi3_flags, *xorsi3_flags): New.

	* config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

	* config/rx/rx.c (rx_print_operand): Remove workaround for
	unsplit comparison operations.

	* config/rx/rx.md (movsicc): Split after reload.
	(*movsicc): Merge *movsieq and *movsine via match_operator.
	(*stcc): New pattern.

	* config/rx/rx.c (rx_float_compare_mode): Remove.
	* config/rx/rx.h (rx_float_compare_mode): Remove.
	* config/rx/rx.md (cstoresi4): Split after reload.
	(*sccc): New pattern.

	* config/rx/predicates.md (label_ref_operand): New.
	(rx_z_comparison_operator): New.
	(rx_zs_comparison_operator): New.
	(rx_fp_comparison_operator): New.
	* config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
	Validate that the flags are set properly for the comparison.
	(rx_gen_cond_branch_template): Remove.
	(rx_cc_modes_compatible): Remove.
	(mode_from_flags): New.
	(flags_from_code): Rename from flags_needed_for_conditional.
	(rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
	(rx_select_cc_mode): Likewise.
	(rx_split_fp_compare): New.
	(rx_split_cbranch): New.
	* config/rx/rx.md (most_cond, zs_cond): Remove iterators.
	(*cbranchsi4): Use match_operator and rx_split_cbranch.
	(*cbranchsf4): Similarly.
	(*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
	match_operator and rx_split_cbranch.
	(*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
	tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
	(*cmpsi): Rename from cmpsi.
	(*tstsi): Rename from tstsi.
	(*cmpsf): Rename from cmpsf; use CC_Fmode.
	(*conditional_branch): Rename from conditional_branch.
	(*reveresed_conditional_branch): Remove.
	(b<code>): Remove expander.
	* config/rx/rx-protos.h: Update.

	* config/rx/rx.c (rx_compare_redundant): Remove.
	* config/rx/rx.md (cmpsi): Don't use it.
	* config/rx/rx-protos.h: Update.

	* 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.


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