path: root/gcc/ChangeLog

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 UNPSEC
	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  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.


Copyright (C) 2011 Free Software Foundation, Inc.

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