2010-12-16  Release Manager

	* GCC 4.5.2 released.

2010-12-07  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-12-06  Jakub Jelinek  <jakub@redhat.com>
 
	PR target/43897
	* config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
	as a store into that register.

	PR rtl-optimization/46777
	* cfglayout.c (duplicate_insn_chain): Avoid duplicating
	also barrier after tablejump.

	2010-11-24  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/46614
	* sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
	 (deps_analyze_insn): Mark JUMP_INSNs in
	last_pending_memory_flush that weren't added through
	flush_pending_lists with NON_FLUSH_JUMP_KIND.
	(sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
	on INSN_LIST instead of JUMP_P check on its operand.
	* sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.

	PR middle-end/46629
	* cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
	instead of insn with any_condjump_p.

	2010-11-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/46499
	* cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
	following unconditional jumps.

2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>

	Backport from mainline:
	2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/44676
	* graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
	phi_arg_in_outermost_loop.
	(remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
	(remove_invariant_phi): Same.

2010-12-07  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-11-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/45870
	* dwarf2out.c (const_ok_for_output_1): Don't complain about
	non-delegitimized TLS UNSPECs.

	2010-11-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/46534
	* builtins.c (fold_builtin_printf): Don't copy and modify string
	before build_string_literal, instead modify what
	build_string_literal returned.

	2010-11-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/46440
	* combine.c (update_cfg_for_uncondjump): When changing
	an indirect jump into unconditional jump, remove BARRIERs
	from bb's footer.

	2010-11-16  Jakub Jelinek  <jakub@redhat.com>

	PR c++/46401
	* c-common.c (warning_candidate_p): Don't track non-const calls
	or STRING_CSTs.

2010-12-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-07-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Add Options): Document tls.

2010-12-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46806
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
	coalesce different types.

2010-12-05  Richard Guenther  <rguenther@suse.de>
	    Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/46663
	* tree-vect-patterns.c (vect_recog_pow_pattern): Check that
	FUNCTION_DECL exists and that it's a builtin.

2010-12-03  Jason Merrill  <jason@redhat.com>

	PR debug/46123
	* dwarf2out.c (gen_type_die_with_usage): Don't put local types in
	a declaration DIE.

2010-12-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-09-15  Olivier Hainque  <hainque@adacore.com>
        	    Jose Ruiz  <ruiz@adacore.com>

	* config/alpha/osf.h (MD_UNWIND_SUPPORT): Define.
	* config/alpha/osf-unwind.h: New file.

2010-12-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-11-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h [!IRIX_USING_GNU_LD]
	(SUPPORTS_INIT_PRIORITY): Define.

2010-12-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (*-*-irix6*): Disable set_have_as_tls.
	(*-*-osf*): Likewise.
	* configure: Regenerate.

2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	PR middle-end/46651
	2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
	SSA_NAME_DEF_STMT only on SSA_NAMEs.

2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>

	PR tree-optimization/46675
	* tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
	in offset calculation.

2010-11-29  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46258
	* tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
	debug stmts.

2010-11-22  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/43057
	* fold-const.c (pedantic_non_lvalue_loc): Unshare x before
	setting location.

2010-11-21  Richard Henderson  <rth@redhat.com>

	PR rtl-optimization/46571
	* gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
	(compute_hash_table_work): Use NONDEBUG_INSN_P.

2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>

	* config/mips/mips.c (machine_function): Rename load_label_length to
	load_label_num_insns.
	(mips_load_label_length): Rename to...
	(mips_load_label_num_insns): ...this.  Adjust to first renaming.
	(mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.

2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/31100
	* config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
	* config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
	* config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/46547
	* c-common.c (in_late_binary_op): Define.
	(c_common_truthvalue_conversion): Check in_late_binary_op before
	calling c_save_expr.
	* c-common.h (in_late_binary_op): Declare.
	* c-tree.h (in_late_binary_op): Move to c-common.h.
	* c-typeck.c (in_late_binary_op): Move to c-common.c.

2010-11-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46498
	* tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.

2010-11-17  Alan Modra  <amodra@gmail.com>

	PR target/45807
	* config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
	* config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
	Delete.
	* config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
	(rs6000_emit_prologue): Don't just create frame save info for r2,
	actually save r2.

2010-11-17  Alan Modra  <amodra@gmail.com>

	PR target/44266
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
	emit_library_call machinery to set up __tls_get_addr calls.

2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/46315
	* rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
	* rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
	extracted from...
	* dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
	(remove_reg_equal_equiv_notes_for_defs): ...this.
	(delete_unmarked_insns): Adjust to above renaming.
	* ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
	referring to registers set in the insns being moved, if any.

	* df-core.c (df_ref_dump): New function extracted from...
	(df_refs_chain_dump): ...here.  Call it.
	(df_regs_chain_dump): Likewise.
	* df-problems.c (df_chain_dump): Print 'e' for uses in notes.
	* df-scan.c (df_scan_start_dump): Likewise.  Fix long line.

2010-11-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44545
	* tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
	statements are not reassociatable.
	(reassociate_bb): Likewise.

2010-11-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/46491
	Backport from mainline

	2010-05-14  Jan Hubicka  <jh@suse.cz>
	* ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.

2010-11-12  Olivier Hainque  <hainque@adacore.com>

	* config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Rewrite
	switch on insn codes as sequence of ifs.

2010-11-12  Alexander Monakov  <amonakov@ispras.ru>

	Backport from mainline:
	2010-08-19  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/44691
	* sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
	is not a register.

2010-11-12  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-11-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46355
	* tree-loop-distribution.c (tree_loop_distribution): Do not
	distribute loops without a single exit.

	2010-11-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46177
	* tree-loop-distribution.c (prop_phis): Use
	mark_virtual_phi_result_for_renaming.

	2010-11-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46177
	* tree-loop-distribution.c (prop_phis): Remove.
	(generate_builtin): Re-use the old loop exit edge to avoid
	needing to update PHI nodes.

2010-11-11  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-11-05  Jakub Jelinek  <jakub@redhat.com>

	PR c/44772
	* c-decl.c (warn_cxx_compat_finish_struct): Don't call
	pointer_set_contains if DECL_NAME is NULL.

	PR tree-optimization/46099
	* tree-parloops.c (take_address_of): Add GSI argument.  Return NULL
	if it is NULL and uid wasn't found in the hash table.  Just fold the
	result if it is NULL otherwise.  Insert other potentially needed
	stmts right before current stmt instead of on the entry edge.
	(struct elv_data): Add gsi and reset fields.
	(eliminate_local_variables_1): Adjust caller.  If take_address_of
	failed for debug stmt, set dta->reset and return.
	(eliminate_local_variables_stmt): Change STMT argument for GSI,
	pass GSI through to the callback, handle resetting of debug stmts.
	(eliminate_local_variables): Adjust caller.  Process debug stmts
	in second phase.

	PR middle-end/43690
	* gimplify.c (gimplify_asm_expr): If a "m" input is a
	{pre,post}{in,de}crement, fail.

	2010-11-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/46165
	* tree-ssa-pre.c (eliminate): Return TODO_cleanup_cfg if changing
	a normal call into noreturn call.

	PR tree-optimization/46107
	* cfgloopmanip.c (loop_version): Set irred_flag back into entry->flags
	if cfg_hook_duplicate_loop_to_header_edge failed.

2010-11-10  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/46419
	* config/i386/xmmintrin.h (_mm_cvtpi16_ps): Swap __hisi and __losi.
	(_mm_cvtpu16_ps): Ditto.

2010-11-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/45314
	Backport of revision 163132.
	* graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
	of SSA copies on edges except for loop->latch.

2010-11-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR rtl-optimization/46237
	* ira-conflicts.c (ira_build_conflicts): Record conflicts for call
	saved hard regs if they might get partially clobbered.

2010-11-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR debug/45939
	* var-tracking.c (emit_note_insn_var_location): Make sure that
	call related var location notes come before the normal ones.

2010-11-04  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2010-10-30  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/44569
	* lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
	determine the mode of a subreg by GET_MODE_INNER of CONCATN RTX.

2010-11-04  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_pic_labelno): Make static.
	(rs6000_emit_load_toc_table): Don't use rs6000_pic_labelno when
	TARGET_SECURE_PLT.
	* config/rs6000/sysv4.h (rs6000_pic_labelno): Don't declare.
	* config/rs6000/rs6000.md (load_toc_v4_PIC_3b): Use "b" constraint
	on input, "r" on output.

2010-11-02  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/45902
	* tree-vectorizer.h (enum stmt_vec_info_type): Add new value for shift.
	(vect_get_slp_defs): Add arguments.
	* tree-vect-stmts.c (cost_for_stmt): Handle shifts.
	(vect_get_vec_def_for_operand): Use operand's
	type to determine number of units in the created vector.
	(vect_get_vec_defs): Pass scalar operands to vect_get_slp_defs.
	(vectorizable_shift): New function.
	(vectorizable_operation): Move code that handles shifts to
	vectorizable_shift.
	(vectorizable_type_demotion): Pass scalar operands to
	vect_get_slp_defs.
	(vectorizable_type_promotion, vectorizable_store): Likewise.
	(vect_analyze_stmt): Call vectorizable_shift.
	(vect_transform_stmt): Likewise.
	* tree-vect-slp.c (vect_get_constant_vectors): Add new argument.
	Use it as the operand to create vectors except for stores.
	(vect_get_slp_defs): Add new arguments. Pass them to
	vect_get_constant_vectors.

2010-10-30  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/44569
	* lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
	determine the mode of a subreg by GET_MODE_INNER of CONCATN RTX.

2010-10-30  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46153
	* config/i386/sse.md (sse_movhlps_exp): Use destination
	returned from ix86_fixup_binary_operands to expand insn.
	(sse_movlhps_exp): Ditto.
	(sse_loadhps_exp): Ditto.
	(sse_loadlps_exp): Ditto.
	(sse2_loadhpd_exp): Ditto.
	(sse2_loadlpd_exp): Ditto.

2010-10-29  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/46226
	* stmt.c (expand_asm_operands): Call do_pending_stack_adjust
	for asm goto.

2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-unwind.h (sparc64_fallback_frame_state): Adjust
	for newer Solaris 10 release.
	(sparc_fallback_frame_state): Likewise.

2010-10-26  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/46167
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that
	there is basic block for the statement.

2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>

	* reg-stack.c (convert_regs_1): Return boolean value, true if the CFG
	has been modified.
	(convert_regs_2): Likewise.  Adjust calls to convert_regs_1.
	(convert_regs): Adjust calls to convert_regs_2.  Clean up the CFG if
	it has been modified.

2010-10-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46098
	* config/i386/sse.md (*avx_movup<avxmodesuffixf2c><avxmodesuffix>):
	Rename from avx_movup<avxmodesuffixf2c><avxmodesuffix>.
	(avx_movup<avxmodesuffixf2c><avxmodesuffix>): New expander.
	(*<sse>_movup<ssemodesuffixf2c>): Rename from
	<sse>_movup<ssemodesuffixf2c>.
	(<sse>_movup<ssemodesuffixf2c>): New expander.
	(*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
	(avx_movdqu<avxmodesuffix>): New expander.
	(*sse2_movdqu): Rename from sse2_movdqu.
	(sse2_movdqu): New expander.

2010-10-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/45946
	* config/i386/i386.md (*pushti2): New insn pattern.
	(pushti2 splitter): New insn splitter.

2010-10-20  Vladimir Makarov  <vmakarov@redhat.com>

	PR fortran/42169
	* ira-emit.c (store_can_be_removed_p): Return false instead of
	gcc_unreachable.

2010-10-20  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (skip_simple_constant_arithmetic): New function.
	(self_referential_size): Use it instead of skip_simple_arithmetic.

2010-10-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/46019
	* fold-const.c (fold_binary_loc): If integer_pow2p has
	TREE_INT_CST_LOW zero, look at TREE_INT_CST_HIGH.

2010-10-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_type_sizes) <ARRAY_TYPE>: If the type is to be
	ignored for debug info purposes, do not clear the DECL_IGNORED_P flag
	on the bounds of its domain.
	* tree.h (DECL_IGNORED_P): Document effect on TYPE_DECL specifically.

2010-10-15  Joseph Myers  <joseph@codesourcery.com>

	* doc/extend.texi (Variable Length): Don't refer to VLAs not
	conforming to C99.

2010-10-14  Joseph Myers  <joseph@codesourcery.com>

	PR c/45969
	* c-typeck.c (build_binary_op): Don't try to compute a semantic
	type with excess precision for boolean operations.

2010-10-13  Richard Guenther  <rguenther@suse.de>
	    Joern Rennecke  <joern.rennecke@embecosm.com>

	PR debug/44832
	* tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for
	LABEL_DECL.
	(remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
	unless they have DECL_IGNORED_P set.

2010-10-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45982
	* tree-ssa-structalias.c (make_constraints_to): New function.
	(make_constraint_to): Implement in terms of make_constraints_to.
	(find_func_aliases): Properly make return values of pure/const
	functions escape if they assign to sth that is not a pointer.

2010-10-11  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45656
	* cse.c (cse_extended_basic_block): Preserve cc0 info across
	debug isnsn.  Skip them when searching for cc0 setter.
	(set_live_p): Skip debug insns when searching for cc0 user.

2010-10-09  Ralf Corsépius <ralf.corsepius@rtems.org>

	* config.gcc (bfin*-rtems*): Add newlib-stdint.h.
	* config.gcc (lm32*-rtems*): Add newlib-stdint.h.

2010-10-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45869
	* tree-cfg.c (verify_gimple_assign_binary): Allow vector shifts
	of pointers.

2010-10-07  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-09-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45569
	* tree-eh.c (operation_could_trap_helper_p): Neither COMPLEX_EXPR
	nor CONSTRUCTOR can trap.
	* tree-complex.c (update_complex_assignment): Update EH info.

2010-10-06  Jack Howarth  <howarth@bromo.med.uc.edu>

	Backport from mainline
	2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>

	PR 43715
	* configure.ac: Pass -g for export_sym_check on darwin.
	Use "-undefined dynamic_lookup" on darwin.
	* configure: Regenerate.

2010-10-05  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/45752
	* tree-vect-slp.c (vect_get_mask_element): Remove static
	variables, make them function arguments.
	(vect_transform_slp_perm_load): Pass new arguments to
	vect_get_mask_element.

2010-10-04  Matthias Klose  <doko@ubuntu.com>

	* config/sparc/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
	multilib osdirname if it exists.
	* config/s390/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.

2010-10-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/45820
	* config/pa/pa.c (pa_secondary_reload): Handle symbolic operands
	earlier.

2010-10-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45854
	* tree-eh.c (cleanup_empty_eh): Avoid degenerate case.

2010-09-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/45843
	* config/i386/i386.c (ix86_gimplify_va_arg): Use
	INTVAL (XEXP (slot, 1)) as prev_size.

2010-09-29  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw32.h (TARGET_64BIT): replaced by
	TARGET_64BIT_DEFAULT in #if check.

2010-09-28  Richard Henderson  <rth@redhat.com>

	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Output 8 bytes
	when 8 bytes are requested.

2010-09-27  Richard Sandiford  <rdsandiford@googlemail.com>

	Backport from mainline:

	2010-05-19  James E. Wilson  <wilson@codesourcery.com>

	PR target/43764
	* config/mips/mips.c (mips_call_expr_from_insn): New arg second_call.
	Set it.
	(mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
	Use it.

2010-09-27  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/43358
	* ira-lives.c (process_single_reg_class_operands): Adjust the costs
	of a single hard register, using simplify_subreg_regno to decide
	what that register should be.

2010-09-25  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-inline.c (copy_bb): Use GSI_CONTINUE_LINKING when inserting new
	statements because of the return slot optimization.

2010-09-24  Jakub Jelinek  <jakub@redhat.com>

	Revert:
	2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/45234
	* calls.c (expand_call): Make sure that all variable sized
	adjustments are multiple of preferred stack boundary after
	stack alignment.

2010-09-23  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-09-02  Olivier Hainque  <hainque@adacore.com>

	PR middle-end/44763
	* ira-color.c (SORTGT): New macro, helper for qsort callbacks.
	(allocno_priority_compare_func): Use it instead of a straight
	difference computation over priorities.

2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR java/44095
	* config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
	is specified and the suffix of the file isn't ".c".
	* config/sparc/linux64.h (ASM_SPEC): Likewise.

2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/35664
	* config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
	('f'): Likewise.

2010-09-21  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/41085
	Backport from mainline
	2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

	PR rtl-optimization/45051
	* reload1.c (delete_output_reload): Use refers_to_regno_p rather
	than reg_mentioned_p.

2010-09-21  Kai Tietz  <kai.tietz@onevision.com>

	PR target/45694
	* config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
	static chain-register is used for 64-bit.

2010-09-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45678
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
	op0 isn't sufficiently aligned and there is movmisalignM
	insn for mode, use it to load op0 into a temporary register.

	Backport from mainline
	2010-09-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45678
	* cfgexpand.c (expand_one_stack_var_at): Limit alignment to
	crtl->max_used_stack_slot_alignment.

2010-09-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45704
	* gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.

2010-09-20  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/45728
	* expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
	gen_lowpart_common first and if that fails, force_reg first
	before calling gen_lowpart.

	PR rtl-optimization/45695
	* combine.c (try_combine): Don't try to swap the two patterns, if the
	chosen order is not possible, just give up.  For HAVE_cc0 targets,
	check if XVECEXP (newpat, 0, 0) doesn't use REGs or MEMs set by insns
	in between i2 and i3.

2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/42775
	* cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
	scheduling is enabled.

2010-09-20  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/45234
	* calls.c (expand_call): Make sure that all variable sized
	adjustments are multiple of preferred stack boundary after
	stack alignment.

2010-09-20  Rafael Carre  <rafael.carre@gmail.com>

	PR target/45726
	* arm.md (arm_movtas_ze): Only enable on machine with MOVT.

2010-09-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45623
	* tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
	(get_constraint_for_component_ref): If computing a constraint
	for the rhs handle type punning through unions.
	(get_constraint_for_address_of): Adjust.
	(get_constraint_for_1): Likewise.
	(get_constraint_for): Likewise.
	(get_constraint_for_rhs): New function.
	(do_structure_copy): Adjust.
	(make_constraint_to): Likewise.
	(handle_const_call): Likewise.
	(find_func_aliases): Likewise.

2010-09-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45709
	* tree-inline.c (copy_phis_for_bb): Delay commit of edge
	insertions until after all PHI nodes of the block are processed.

2010-09-18  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-04-07  Dodji Seketeli  <dodji@redhat.com>

	PR debug/43628
	* dwarf2out.c (modified_type_die): Ignore artificial typedefs.

2010-09-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45709
	* tree-inline.c (copy_phis_for_bb): Fixup new_edge when
	we splitted it.

2010-09-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

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

2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/45593
	* reorg.c (relax_delay_slots): Use emit_copy_of_insn_after to re-emit
	insns that were in delay slots as stand-alone insns.

2010-09-14  Tristan Gingold  <gingold@adacore.com>

	* configure.ac (plugins): Fix typos.
	* configure: Regenerate.

2010-09-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45567
	* builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi,
	expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead.
	(expand_builtin): Adjust caller.
	(expand_builtin_unop): Only use subtarget if it has the right mode.

	PR debug/45660
	* dwarf2out.c (gen_decl_die): Call gen_type_die for origin before
	gen_type_die for function/method return type.

2010-09-13  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/41087
	* ifcvt.c (noce_get_condition): Don't allow conditions with
	side-effects.

2010-09-12  Alexander Monakov  <amonakov@ispras.ru>

	Backport from mainline
	2010-09-06  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/44919
	* sel-sched.c (move_cond_jump): Remove assert, check that
	the several blocks case can only happen with mutually exclusive
	insns instead.  Rewrite the movement code to support moving through
	several basic blocks.

2010-09-10  Jack Howarth <howarth@bromo.med.uc.edu>

	Backport from mainline
	2010-09-07  H.J. Lu  <hjl.tools@gmail.com>
		    Jack Howarth <howarth@bromo.med.uc.edu>

	PR target/36502
	PR target/42313
	PR target/44651
	* config/i386/darwin.h (STACK_BOUNDARY): Redefine as 128 for
	profiling or 64-bit MS_ABI and as BITS_PER_WORD otherwise.
	(PREFERRED_STACK_BOUNDARY): Replace STACK_BOUNDARY with 128 in
	MAX macro.

2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/45312
	* reload1.c (merge_assigned_reloads): Remove.
	(reload_as_needed): Don't call it.

2010-09-09  Matthias Klose  <doko@ubuntu.com>

	PR bootstrap/43847
	* configure.ac (--enable-plugin): Enhance for cross builds.
	* configure: Regenerate.

2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/44554
	* ira.c (ira): Switch off sharing spill slots if setjmp is called.

2010-09-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/40386
	* ira.c (pseudo_for_reload_consideration_p): Don't use
	flag_ira_share_spill_slots.

2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/s390/s390.c (legitimate_reload_constant_p): Accept floating-
	point zero operands that fit into a single GPR.
	(s390_preferred_reload_class): Ensure we only return general-purpose
	register classes.
	* config/s390/s390.md ("*mov<mode>_64dfp"): Use lghi to load
	floating-point zero operands into GPRs.
	("*mov<mode>_64"): Likewise.
	("mov<mode>"): Likewise using lhi.

2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/s390/s390.c (s390_symref_operand_p): Return false for
	literal pool references.
	(s390_check_qrst_address): Update caller.

2010-09-08  Martin Jambor  <mjambor@suse.cz>

	PR other/45443
	* doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
	at -O3.

2010-09-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45484
	* dwarf2out.c (flush_queued_reg_saves): Rename to...
	(dwarf2out_flush_queued_reg_saves): ... this.  No longer static.
	(dwarf2out_frame_debug): Adjust callers.
	* dwarf2out.h (dwarf2out_flush_queued_reg_saves): New prototype.
	* config/i386/i386.c (output_set_got): Call it.

	PR debug/45500
	* dwarf2out.c (rtl_for_decl_init): Give up for all generic vectors,
	not just generic vectors with BLKmode.

2010-09-02  Ian Bolton  <ian.bolton@arm.com>

	Backport from mainline
	2010-09-01  Ian Bolton  <ian.bolton@arm.com>

	* Makefile.in (tree-switch-conversion.o): Update dependencies.

	2010-08-19  Ian Bolton  <ian.bolton@arm.com>

	PR target/45070
	* config/arm/arm.c (arm_output_epilogue): Ensure that return
	value of size 1-3 is handled correctly.

	2010-08-19  Ian Bolton  <ian.bolton@arm.com>

	* tree-switch-conversion.c (gen_inbound_check): Ensure that the
	type for the conditional has wide enough range.

	2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
	'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
	(SUBWORD_BOOL_CAS): Likewise.
	(SUBWORD_SYNC_OP): Likewise.
	(SUBWORD_TEST_AND_SET): Likewise.
	(FETCH_AND_OP_WORD): Parenthesise INF_OP
	(SUBWORD_SYNC_OP): Likewise.
	(OP_AND_FETCH_WORD): Likewise.

2010-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45458
	* bb-reorder.c (add_labels_and_missing_jumps): Treat
	bbs ending with throwing insns like blocks ending with a call.
	(fix_up_fall_thru_edges): Likewise.

2010-09-01  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_init_constructor): Do not create a temporary for
	a volatile LHS if the constructor has only one element.

2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (convert_all_function_calls): Iterate until after the
	sum of static chains in the nest doesn't change.

2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-08-20  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/45353
	* sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
	after bb_note is a BARRIER.

2010-08-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45423
	* gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
	and TRUTH_{AND,OR,XOR}_EXPR.
	* c-parser.c (c_parser_omp_atomic): Handle boolean
	{PRE,POST}_{INC,DEC}REMENT.

2010-08-30  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-07-27  Jakub Jelinek  <jakub@redhat.com>

	PR c/45079
	* c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.

2010-08-30  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-08-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45393
	* tree-ssa-math-opts.c (execute_cse_sincos_1): Properly transfer
	and clean EH info.  Avoid SSA update.
	(execute_cse_sincos): Cleanup the CFG if it has changed.

2010-08-28  Eric Botcazou  <ebotcazou@adacore.com>

	* config/ia64/ia64.md (cstorebi4): Fix thinko.

2010-08-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41484
	* config/i386/sse.md (sse4_1_extendv8qiv8hi2): Also accept memory
	operands for operand 1.
	(sse4_1_extendv4qiv4si2): Ditto.
	(sse4_1_extendv2qiv2di2): Ditto.
	(sse4_1_extendv4hiv4si2): Ditto.
	(sse4_1_extendv2hiv2di2): Ditto.
	(sse4_1_extendv2siv2di2): Ditto.
	(sse4_1_zero_extendv8qiv8hi2): Ditto.
	(sse4_1_zero_extendv4qiv4si2): Ditto.
	(sse4_1_zero_extendv2qiv2di2): Ditto.
	(sse4_1_zero_extendv4hiv4si2): Ditto.
	(sse4_1_zero_extendv2hiv2di2): Ditto.
	(sse4_1_zero_extendv2siv2di2): Ditto.
	(*sse4_1_extendv8qiv8hi2): Remove insn pattern.
	(*sse4_1_extendv4qiv4si2): Ditto.
	(*sse4_1_extendv2qiv2di2): Ditto.
	(*sse4_1_extendv4hiv4si2): Ditto.
	(*sse4_1_extendv2hiv2di2): Ditto.
	(*sse4_1_extendv2siv2di2): Ditto.
	(*sse4_1_zero_extendv8qiv8hi2): Ditto.
	(*sse4_1_zero_extendv4qiv4si2): Ditto.
	(*sse4_1_zero_extendv2qiv2di2): Ditto.
	(*sse4_1_zero_extendv4hiv4si2): Ditto.
	(*sse4_1_zero_extendv2hiv2di2): Ditto.
	(*sse4_1_zero_extendv2siv2di2): Ditto.

2010-08-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/44858
	* combine.c (try_combine): If recog_for_combine added CLOBBERs to
	newi2pat, make sure they don't affect newpat.

	PR rtl-optimization/45400
	* combine.c (simplify_shift_const_1) <case SUBREG>: Only use
	SUBREG_REG if both modes are of MODE_INT class.

2010-08-20  Changpeng Fang  <changpeng.fang@amd.com>

	PR tree-optimization/45260
	* tree-flow.h (may_be_nonaddressable_p): New definition. Make the
	existing static function global.

	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function
	is changed to global.

	* tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call
	may_be_nonaddressable_p on base, and don't collect this reference
	if the address of the base could not be taken.

2010-08-20  David Edelsohn  <edelsohn@gnu.org>

	Backport from mainline
	2010-04-22  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
	ix86_binary_operator_ok.

2010-08-18  Uros Bizjak  <ubizjak@gmail.com>

	PR target/45327
	* config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
	ix86_binary_operator_ok.

2010-08-18  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-08-18  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/45292
	* optabs.c (expand_bool_compare_and_swap): Expand pending
	pops before trying the optab.

2010-08-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/45296
	* reginfo.c (globalize_reg): Reject stack registers.

2010-08-16  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline:
	2010-08-12  Changpeng Fang  <changpeng.fang@amd.com>

	PR tree-optimization/45241
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
	up dot_prod pattern searching if a stmt is outside the loop.

2010-08-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2010-08-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44632
	* function.c (gimplify_parameters): Do not clear addressable
	bit of the original parameter.

2010-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Revert:
	2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR boehm-gc/34544
	* gthr-posix.h (__gthread_start): Delete.
	(__gthread_active_init): Use pthread_default_stacksize_np instead of
	pthread_create to determine if hpux pthreads are active.
	* gthr-posix95.h (__gthread_start): Delete.
	(__gthread_active_init): Likewise use pthread_default_stacksize_np.

2010-08-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45262
	* fold-const.c (make_range) <case NEGATE_EXPR>: Punt if
	-a overflows.  Normalize the range.

	PR debug/45259
	* caller-save.c (save_call_clobbered_regs): Only swap notes with
	DEBUG_INSNs if n_regs_saved.

	Backport from mainline
	2010-07-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/45055
	PR rtl-optimization/45137
	* rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
	prototypes.
	* emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
	New functions.
	* combine.c (next_nonnote_nondebug_insn): Removed.
	* ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
	* haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
	* sched-deps.c (sched_analyze_insn): Likewise.
	(fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
	* rtlanal.c (canonicalize_condition): Likewise.
	* postreload.c (reload_combine): Likewise.
	(reload_cse_move2add): Use next_nonnote_nondebug_insn.

2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline.
	2010-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/44805
	* config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
	on all targets.

2010-08-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45034
	* convert.c (convert_to_integer): Always use an unsigned
	type for narrowed negate and bitwise not.

2010-08-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45109
	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Explicitly strip handled components and indirect references.

2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR boehm-gc/34544
	* gthr-posix.h (__gthread_start): Delete.
	(__gthread_active_init): Use pthread_default_stacksize_np instead of
	pthread_create to determine if hpux pthreads are active.
	* gthr-posix95.h (__gthread_start): Delete.
	(__gthread_active_init): Likewise use pthread_default_stacksize_np.

2010-08-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/44942
	* config/sparc/sparc.c (function_arg_advance): Always take into account
	the padding, if any.

2010-08-06  Uros Bizjak  <ubizjak@gmail.com>

	* expmed.c (expand_mult_const) <case alg_shift>: Expand shift into
	temporary. Emit move from temporary to accum, so REG_EQUAL note will
	be attached to this insn in correct mode.

2010-08-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_decompose_address): Check for SI_REG
	using REGNO of base_reg directly.

2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of
	non-NOTE insns.

2010-08-03  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41089
	* config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
	as volatile.

2010-08-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/44914
	* tree-sra.c (cfg_changed): New variable.
	(sra_initialize): Initialize cgf_changed to false.
	(scan_function): Set cfg_changed if cfg was changed.
	(perform_intra_sra): Return also TODO_cleanup_cfg if cfg was changed.
	(ipa_early_sra): Likewise.

2010-08-02  DJ Delorie  <dj@redhat.com>

	* config/rx/predicates.md (rx_constshift_operand): New.
	* config/rx/rx.md (zs_cond): New.
	(cbranchsi4): Remove mode.
	(*cbranchsi4_<code>): Likewise.
	(*tstbranchsi4_<code>): New.
	(*tstbranchsi4r_<code>): New.
	(*tstbranchsi4m_eq): New.
	(*tstbranchsi4m_ne): New.
	(cbranchsf4): Remove mode.
	(*cbranchsf4_<code>): Likewise.

2010-07-31  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45052
	* ipa-pure-const.c (check_stmt): Check volatileness.

2010-07-31  Richard Guenther  <rguenther@suse.de>

	* ipa-prop.c (ipa_modify_formal_parameters): Use
	build_distinct_type_copy.

2010-07-31  Richard Guenther  <rguenther@suse.de>

	* DEV-PHASE: Set back to prerelease.
	* BASE-VER: Bump to 4.5.2.

2010-07-31  Release Manager

	* GCC 4.5.1 released.

2010-07-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Backport from mainline.
	2010-07-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

 	PR target/43698
	* config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
	Set *arm_rev to be predicable.

2010-07-27  Nick Clifton  <nickc@redhat.com>

	* Import this patch from the mainline:

	2010-06-30  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx-modes.def: New file.
	* config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
	(CC_REGNUM): Define.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
	register.
	(CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
	(SELECT_CC_MODE): Define.
	* config/rx/rx.md (CC_REG): Define.  Update all patterns to use
	(reg:CC CC_REG) instead of (cc0).
	(attr "cc"): Delete.
	(cbranchsi4): Do not split compare and branch here. Instead move
	it to...
	(cbranchsi4_<code>): ... here.  New patterns.
	(cmpsi): Call rx-compare_redundant to find out if it is necessary
	to emit the compare instruction.
	* config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
	cc_status flags.
	(rx_get_stack_layout): Iterate up to before CC_REGNUM not
	FIRST_PSEUDO_REGNUM.
	(rx_expand_prologue, rx_expand_epilogue): Likewise.
	(rx_notice_update_cc): Delete.
	(rx_cc_modes_compatible): New function.
	(flags_needed_for_conditional): New function.
	(flags_from_mode): New function.
	(rx_compare_redundant): New function - scans backwards through
	insn list to find out if condition flags are already set correctly.
	(TARGET_CC_MODES_COMPATIBLE): Define.
	* config/rx/rx-protos.h (rx_compare_redundant): Prototype.

	* config/rx/rx.h (BRANCH_COST): Define.
	(REGISTER_MOVE_COST): Define.
	* config/rx/predicates (rx_source_operand): Allow all constant types.
	* config/rx/rx.md (addsi3): Add alternative for swapped operands.
	(tstsi4): New pattern.
	* config/rx/rx.c (rx_memory_move_cost): Define.
	(TARGET_MEMORY_MOVE_COST): Define.

2010-07-23  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45047
	* tree-vect-stmts.c (vectorizable_assignment): Return false
	if vectype_out is NULL for conversion statement.

2010-07-22  Jakub Jelinek  <jakub@redhat.com>

	PR debug/45015
	* var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
	ASM_OPERANDS_OUTPUT_IDX.
	(adjust_insn): For inline asm with multiple sets ensure first
	ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
	the insn.

	Backport from mainline
	2010-07-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/44942
	* config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
	argument to const_tree.
	* config/i386/i386.c (function_arg_advance): If padding needs to be
	inserted before argument, increment cum->words by number of padding
	words as well.
	(contains_aligned_value_p): Change argument to const_tree.
	(ix86_function_arg_boundary): Change second argument to const_tree.

2010-07-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/44900
	* tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
	(sra_modify_assign): Move gsi to the next statmenent unconditionally.

2010-07-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-07-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	sse_runtime, sse2_runtime.

2010-07-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44977
	* tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
	SSA form.

2010-07-19  Bingfeng Mei  <bmei@broadcom.com>

	* ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
	of a loop.
	* loop-doloop.c (doloop_condition_get): Skip possible debug_insn.

2010-07-15  Jie Zhang  <jie@codesourcery.com>

	* config/arm/cortex-a8.md (cortex_a8_load_store_2): Reserve
	cortex_a8_issue_ls.

2010-07-14  Jie Zhang  <jie@codesourcery.com>

	* config/arm/cortex-a8.md (cortex_a8_alu): Don't use
	cortex_a8_default when neon_type is not none.

2010-07-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
	ix86_solaris_return_in_memory.
	* config/i386-protos.h: Reflect this.
	* config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
	* config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
	Move ...
	* config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.

2010-07-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
	pentiumpro on Solaris 8 and 9/x86.
	* doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
	Document SSE/SSE2 support.
	* doc/sourcebuild.texi (Effective-Target Keywords): Document sse.

2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
	explanation.
	Find ucontext_t * on Solaris 11.
	(x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
	Handle new Solaris 11 __sighndlr patterns.

2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR pch/14940
	* config/host-solaris.c (mmap_fixed): New function.
	(sol_gt_pch_get_address): Use it.
	(sol_gt_pch_use_address): Likewise.

2010-07-12  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
	align the stack when it's going to be saved.

2010-07-11  Kai Tietz  <kai.tietz@onevision.com>

	Merged back from trunk
	* config/i386/winnt.c (i386_pe_file_end): Quote symbol name
	in directive -export.

2010-07-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44886
	* tree-vect-stmts.c (vectorizable_assignment): Fixup backport
	of the fix for PR44284.

2010-07-09  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>

	* tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
	build1_stat.

2010-07-09  Dave Korn  <dave.korn.cygwin@gmail.com>

	Backport from mainline
	2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/43888
	* config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
	handling to still return true for x64 targets.

2010-07-08  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44284
	* tree-vect-stmts.c (vectorizable_assignment): Handle
	sign-changing conversions as simple copy.

	2010-07-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44828
	* convert.c (convert_to_integer): Watch out for overflowing
	MULT_EXPR as well.

2010-07-07  Duncan Sands  <baldrick@free.fr>

	PR middle-end/41355
	* tree.c (build_function_type_skip_args): Copy the original type using
	build_distinct_type_copy rather than copy_node.

2010-07-06  Alexandre Oliva  <aoliva@redhat.com>

	* doc/gimple.texi (GIMPLE_DEBUG): Document.
	* doc/rtl.texi (Debug Information): New node.
	(NOTE_INSN_VAR_LOCATION): Document.
	(debug_insn): Likewise.
	* doc/generic.texi (DEBUG_EXPR_DECL): Document.

2010-07-05  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline:
	PR target/44531
	* config.gcc (sh*-*-*): Use regular expressions instead of
	the 'i' modifier for sed substitutions.

2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>

	PR bootstrap/44820
	* config/arm/arm.c (arm_attr_length_move_neon): Delete regno.

2010-07-05  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.c (arm_attr_length_move_neon): New.
	* config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
	* config/arm/neon.md (define_mode_attr V_slen): Remove.
	(neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
	to compute length attribute.

2010-07-05  Jie Zhang  <jie@codesourcery.com>

	* config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
	as predicate for operand 1 and remove its constraint.
	* config/arm/predicates.md (vfp_register_operand): New.
	* config/arm/arm.md (*push_multi): Remove the constraint of
	operand 1.
	(*push_fp_multi): Likewise.

2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/44597
	* config/pa/predicates.md (prefetch_cc_operand): Remove.
	(prefetch_nocc_operand): Likewise.
	* config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
	(prefetch_20): New insn.
	(prefetch_cc): Remove.
	(prefetch_nocc): Likewise.

	PR target/44705
	* config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.

2010-07-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44777
	* tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.

2010-07-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44694
	* dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
	or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.

2010-07-01  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-06-29  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/43801
	* cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
	if old_decl was DECL_ONE_ONLY.

	2010-06-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/44575
	* config/i386/i386.c (ix86_gimplify_va_arg): When copying
	va_arg from a set of register save slots into a temporary,
	if the container is bigger than type size, do the copying
	using smaller mode or using memcpy.

	2010-05-13  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44104
	* dwarf2out.c (modified_type_die): Don't dereference mod_type_die
	if it is NULL.

2010-06-30  Jan Hubicka  <jh@suse.cz>

	Backport from mainline
	2010-06-27  Jan Hubicka  <jh@suse.cz>

	PR middle-end/44671
	PR middle-end/44686
	* tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
	signature change.
	* ipa-split.c (split_function): Always clear DECL_BUILT_IN.
	* ipa-prop.c (ipa_modify_formal_parameters): Likewise.

	2010-06-28  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/44357
	* ipa-inline.c (add_new_edges_to_heap): Do not add edges to uninlinable
	functions.

2010-06-30  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2010-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44694
	* cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
	* cselib.c (cfa_base_preserved_regno): New static variable.
	(cselib_reset_table): Don't reset cfa_base_preserved_regno instead
	of REGNO (cfa_base_preserved_val->locs->loc).
	(cselib_preserve_cfa_base_value): Add regno argument, set
	cfa_base_preserved_regno to it.
	(cselib_invalidate_regno): Allow removal of registers other than
	cfa_base_preserved_regno from cfa_base_preserved_val.
	(cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
	* var-tracking.c (adjust_mems): Replace sp or hfp even outside
	of MEM addresses, if not on LHS.
	(reverse_op): Don't add reverse ops for cfa_base_rtx.
	(vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.

	2010-06-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43866
	* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
	true or always false, return NULL_TREE.
	(tree_unswitch_single_loop): Optimize conditions even when reaching
	max-unswitch-level parameter.  If num > 0, optimize first all conditions
	using entry checks, then do still reachable block discovery and consider
	only conditions in still reachable basic blocks in the loop.

	2010-05-12  Jakub Jelinek  <jakub@redhat.com>

	PR debug/42278
	* dwarf2out.c (base_type_die): Don't add name attribute here.
	(modified_type_die): Instead of sizetype use
	its underlying original type.  If a DW_TAG_base_type doesn't
	have name added, add __unknown__.
	(dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
	always call force_type_die instead.

	2010-05-11  Jakub Jelinek  <jakub@redhat.com>

	PR c++/44059
	* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
	even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
	* config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
	* dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
	on DW.ref.* decls.

2010-06-30  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43905
	* tree-sra.c (encountered_recursive_call): Removed with all its uses.
	(convert_callers): Do not handle recursive calls specially.
	(create_abstract_origin): Removed.
	(modify_function): Version the call graph node instead of creating
	abstract origins and dealing with same_body aliases.
	(ipa_sra_preliminary_function_checks): Check whether the function
	is versionable.
	* Makefile.in (tree-sra.o): Add TREE_INLINE_H to dependencies.

2010-06-30  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2010-05-29  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (clone_function_name): Made public.
	* cgraph.h (clone_function_name): Declare.
	* cgraphunit.c (cgraph_function_versioning): Produce new name.

2010-06-29  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2010-05-17  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/44133
	* tree-sra.c (create_access_replacement): New parameter rename, mark
	the replaement for renaming only when it is true.
	(get_access_replacement): Pass true in the rename parameter of
	create_access_replacement.
	(get_unrenamed_access_replacement): New function.
	(replace_uses_with_default_def_ssa_name): New parameter racc, get the
	replacement declaration from it.

2010-06-29  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2010-04-13  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
	(sra_modify_assign): Delete stmts loading dead data even if racc has no
	children.  Call replace_uses_with_default_def_ssa_name to handle
	SSA_NAES on lhs.

2010-06-27  Jan Hubicka  <jh@suse.cz>

	Backport inliner heruistic fixes from mainline
	2010-05-27  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
	(update_caller_keys): Return early if there are no callers;
	only update fibheap when decresing the key.
	(update_callee_keys): Avoid recursion.
	(decide_inlining_of_small_functions): When badness does not match;
	re-insert into fibheap.

	2010-05-11  Jan Hubicka  <jh@suse.cz>

	PR tree-optimize/44063
	* ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
	queue.

	2010-04-13  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
	of optimized out static functions.
	(cgraph_edge_badness): Add DUMP parameter and dump reasons for the
	cost computation.  Also sanity check for overflows.
	(update_caller_keys): Update cgraph_edge_badness call; properly
	update fibheap and sanity check that it is up to date.
	(add_new_edges_to_heap): Update cgraph_edge_badness.
	(cgraph_decide_inlining_of_small_function): Likewise;
	add sanity checking that badness in heap is up to date;
	improve dumping of reason; Update badness of calls to the
	offline copy of function currently inlined; dump badness
	of functions not inlined because of unit growth limits.

2010-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44683
	* tree-ssa-dom.c (record_edge_info): Record equivalences for the
	false edge from the inverted condition.

2010-06-27  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/43332
	* haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.

2010-06-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44684
	* tree-ssa-alias.c (refs_may_alias_p_1): Allow SSA name refs.
	(stmt_may_clobber_ref_p_1): Do not bother to call the oracle
	for register LHS.  Or non-store assignments.

2010-06-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44393
	* tree-loop-distribution.c (generate_loops_for_partition): Fix
	stmt removal and VOP renaming.
	(generate_memset_zero): Remove redundant stmt updating.
	* tree-flow.h (mark_virtual_ops_in_bb): Remove.
	* tree-cfg.c (mark_virtual_ops_in_bb): Likewise.

2010-06-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44674
	* tree-ssa-alias.c (refs_may_alias_p_1): Allow all kind of
	decls.  Handle LABEL_DECLs like FUNCTION_DECLs.

2010-06-25  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/44610
	* simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
	address if the offset is unknown.

2010-06-25  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-06-16  Richard Guenther  <rguenther@suse.de>

	PR c/44555
	* c-common.c (c_common_truthvalue_conversion): Remove
	premature and wrong optimization concering ADDR_EXPRs.

2010-06-24  Steven Bosscher  <steven@gcc.gnu.org>

	Backport from mainline:
	2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

	* config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
	lto-macho as lto_binary_reader.
	* target.h (struct gcc_target): New hooks lto_start and	lto_end.
	* target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
	* cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
	in lto_start and lto_end calls.
	(is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
	magic numbers.
	(scan_prog_file): Update is_elf_or_coff call.
	* doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.

	* collect2.c (main): Fix enum comparison.

	* config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
	Add prototypes.
	* darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
	* darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
	and TARGET_ASM_LTO_END.
	* darwin.c: Include obstack.h and lto-streamer.h.
	(lto_section_names_offset, lto_section_names_obstack,
	lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
	global variables.
	(LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
	(darwin_asm_lto_start): New function.  Redirect output to asm_out_file
	to a temporary file.
	(darwin_asm_lto_end): New function.  Restore asm_out_file.
	(darwin_asm_named_section): For LTO sections, replace the name with
	the offset of the section name in a string table, and build this
	table.
	(darwin_file_start): Initialize global vars for LTO support.
	(darwin_file_end): If output to asm_out_file was redirected, append it
	to the proper asm_out_file here.  Add the section names section.

	Backport from mainline:
	2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

	* darwin.c (darwin_asm_named_section): Do not add assembler comment
	after .section directive; just print it before the directive
	instead.

2010-06-22  Eric Botcazou  <ebotcazou@adacore.com>

	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Chain the
	new statement and adjust VDEF only if necessary.  Remove superfluous
	call to maybe_clean_or_replace_eh_stmt.
	* gimple.c (gimple_call_copy_skip_args): Use gimple_call_copy_flags to
	copy the flags.
	* gimple-iterator.c (gsi_replace): Clear BB of old statement here...
	* tree-inline.c (copy_bb): ...and not there.

2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (unit): Also check sseishft1.

2010-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/39690
	* config/pa/pa.c (override_options): Disable
	-freorder-blocks-and-partition.

2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44615
	* config/i386/atom.md (atom_sseishft_2): Also check sseishft1.

	* config/i386/i386.md (type): Add sseishft1

	* config/i386/ppro_insn (ppro_insn): Also check sseishft1.
	(ppro_insn_load): Likewise.
	(ppro_insn_store): Likewise.
	(ppro_insn_both): Likewise.

	* config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
	(*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
	for type.
	(*vec_extractv2di_1_avx): Likewise.
	(*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
	type.  Remove atom_unit.
	(*vec_extractv2di_1_sse2): Likewise.

2010-06-21  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/44426
	* sel-sched-dump.h (sel_prepare_string_for_dot_label): Remove
	prototype.
	(sel_print_to_dot): Remove macro.
	(sel_print): Likewise.  New prototype.
	* sel-sched-dump.c (sel_prepare_string_for_dot_label): Make static.
	(sel_print): New function.

2010-06-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/44546
	* config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
	New predicate.
	* config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
	ix86_swapped_fp_comparsion_operator instead of
	ix86_fp_comparison_operator.

	(*fp_jcc_1_387): Rename from *fp_jcc_3_387.
	(*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
	(*fp_jcc_2_387): Rename from *fp_jcc_5_387.
	(*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
	(*fp_jcc_3_387): Rename from *fp_jcc_7_387.
	(*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.

2010-06-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline
	2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/44261
	* config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
	(negdf2): Adjust expander pattern and use negdf2_slow.
	(negsf2): Likewise.

2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/43740
	* config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag
	for SET source operand from SET destination operand.

2010-06-16  Martin Jambor  <mjambor@suse.cz>

	PR lto/44464
	* tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name
	on the newly dead SSA name.

2010-06-15  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/42461
	* dce.c (deletable_insn_p): Return true for const or pure calls again.
	* except.c (insn_could_throw_p): Return false if !flag_exceptions.

2010-06-15  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-06-11  Sandra Loosemore  <sandra@codesourcery.com>

	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Return again the
	computed cost.

2010-06-15  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/44536
	* langhooks.h (struct lang_hooks_for_decls): Add omp_report_decl.
	* langhooks-def.h (LANG_HOOKS_OMP_REPORT_DECL): Define.
	(LANG_HOOKS_DECLS): Add it.
	* gimplify.c (omp_notice_variable): Call
	lang_hooks.decls.omp_report_decl.

2010-06-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/44258
	* tree-sra.c (build_access_subtree): Return false iff there is a
	partial overlap.
	(build_access_trees): Likewise.
	(analyze_all_variable_accesses): Disqualify candidates if
	build_access_trees returns true for them.

2010-06-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/44423
	* tree-sra.c (dump_access): Dump also grp_assignment_read.
	(analyze_access_subtree): Pass negative allow_replacements to children
	if the current type is scalar.

2010-06-14  Andreas Schwab  <schwab@linux-m68k.org>

	Backport from mainline
	* config/m68k/m68k.c (m68k_delegitimize_address): Don't do
	anything if the argument is not a MEM.

2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44534
	* config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with 0x0.
	(vec_extract_lo_v16hi): Likewise.
	(vec_extract_lo_v32qi): Likewise.

2010-06-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/44426
	* tree.h (build_call_expr): Don't define as vararg macro, instead
	add a prototype.
	* builtins.c (build_call_nofold): Remove.
	(expand_builtin_int_roundingfn, expand_builtin_pow,
	expand_builtin_mempcpy_args, expand_builtin_stpcpy,
	expand_builtin_memset_args, expand_builtin_strcmp,
	expand_builtin_strncmp, expand_builtin_memory_chk): Use
	build_call_nofold_loc instead of build_call_nofold.
	(build_call_expr): New function.

	PR tree-optimization/44508
	* tree-ssa-propagate.h (substitute_and_fold): Add DO_DCE argument.
	* tree-ssa-propagate.c (substitute_and_fold): If !DO_DCE,
	don't eliminate trivially dead stmts.
	* tree-vrp.c (vrp_finalize): Pass false as last argument
	to substitute_and_fold.
	* tree-ssa-copy.c (fini_copy_prop): Pass true as last argument
	to substitute_and_fold.
	* tree-ssa-ccp.c (ccp_finalize): Likewise.

2010-06-14  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/44507
	* tree-vect-loop.c (get_initial_def_for_reduction): Use -1
	to build initial vector for BIT_AND_EXPR.

2010-06-14  Dave Korn  <dave.korn.cygwin@gmail.com>

	Backport from mainline:
	2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR lto/42776
	* configure.ac (gcc_cv_as_section_has_align): Set if installed
	binutils supports extended .section directive needed by LTO, or
	warn if older binutils found.
	(LTO_BINARY_READER): New AC_SUBST'd variable.
	(LTO_USE_LIBELF): Likewise.
	* config.gcc (lto_binary_reader): New target-specific configure
	variable.
	* Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
	(LTO_USE_LIBELF): Likewise.
	* configure: Regenerate.
	* collect2.c (is_elf): Rename from this ...
	(is_elf_or_coff): ... to this, and recognize and allow i386 COFF
	 object files in addition to ELF-formatted ones.
	(scan_prog_file): Caller updated.  Also allow for LTO info marker
	symbol to be prefixed or not by an extra underscore.
	* config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
	* config/i386/winnt.c: Also #include lto-streamer.h
	(i386_pe_asm_named_section): Specify 1-byte section alignment for
	LTO named sections.
	(i386_pe_asm_output_aligned_decl_common): Add comment.
	(i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.

2010-06-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/44481
	* config/i386/i386.md (UNSPEC_PARITY): New unspec.
	(paritydi2_cmp): Use UNSPEC_PARITY unspec insted of parity RTX.
	(partiysi2_cmp): Ditto.
	(*partiyhi2_cmp): Ditto.
	(*parityqi2_cmp): Remove.

2010-06-10  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41371
	* var-tracking.c (find_loc_in_1pdv): Remove recursion, only
	tail-recurse into canonical node.  Fast-forward over
	non-canonical VALUEs.

2010-06-10  Jan Beulich  <jbeulich@novell.com>

	PR bootstrap/37304
	* configure.ac: Replace $() with ${} when intending to expand
	variables rather than invoking commands.
	* configure: Re-generate.

2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>

	* opts-common.c (prune_options): Ensure replacement argv array
	is correctly terminated by a NULL entry.

2010-06-09  Iain Sandoe  <iains@gcc.gnu.org>

	Backport from mainline:
	2010-04-28  Mike Stump  <mikestump@comcast.net>
	* config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for
	now.

2010-06-09  Iain Sandoe  <iains@gcc.gnu.org>

	Backport from mainline:
	2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
	* config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.

2010-06-09  Edmar Wienskoski  <edmar@freescale.com>

	PR target/44067
	* config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
	e500v2 target.

2010-06-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movsi_1) <TYPE_LEA>: Use %a modifier
	to output operand 1.
	(ashift_zext lea splitter): Use DImode for multiplication.

	* config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
	to generate addition.

2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords, Other
	attributes): Document gas.

2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
	linker emulations.
	* configure: Regenerate.
	* config.in: Regenerate.

	* config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
	(X86_64_EMULATION): Define.
	(TARGET_LD_EMULATION): Use them.

	* config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
	(SPARC64_EMULATION): Define.
	(LINK_ARCH_SPEC): Use them.

2010-06-07  Kai Tietz  <kai.tietz@onevision.com>

	Backport from mainline:
	* config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
	argument for fprintf.
	(ix86_output_addr_diff_elt): Likewise.
	(x86_function_profiler): Likewise.
	* config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
	(LPREFIX): Likewise.
	(ASM_GENERATE_INTERNAL_LABEL): Likewise.

2010-06-04  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41371
	* var-tracking.c (find_loc_in_1pdv): Mark initial value before
	recursing.  Check that recursion is bounded.  Rename inner var
	to avoid hiding incoming argument.

2010-06-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
	* configure: Regenerate.
	* config.in: Regenerate.
	* doc/install.texi (Prerequisites): Document that Solaris 2 libelf
	works.

	2010-04-19  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Fix quoting around elf_getshstrndx ABI check.
	* configure: Re-generated.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*addqi_4): Check for incdec_operand in QImode.

2010-06-04  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-05-25  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41371
	* var-tracking.c (find_loc_in_1pdv): Guard asserts with
	ENABLE_CHECKING.
	(intersect_loc_chains): Walk the s2var's loc_chain together
	with s1node chain as long as the locations are equal, don't
	call find_loc_in_1pdv in that case.

	2010-05-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41371
	* var-tracking.c (find_loc_in_1pdv): Add a few checks from
	rtx_equal_p inline.

2010-06-04  Alan Modra  <amodra@gmail.com>

	PR target/44075
	* gcc/config/rs6000/rs6000.c (struct machine_function): Reorder
	fields for better packing.  Add lr_save_state.
	(rs6000_ra_ever_killed): Return lr_save_state if set.
	(rs6000_emit_eh_reg_restore): Set lr_save_state.

2010-06-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-05-10  Richard Guenther  <rguenther@suse.de>

	* lto-symtab.c (lto_symtab_entry_marked_p): Make entry
	marked if the entry identifier is marked.

2010-06-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-05-16  Richard Guenther  <rguenther@suse.de>

	* var-tracking.c (vars_copy_1): Inline ...
	(vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
	(variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
	(variable_merge_over_cur): Adjust.  Merge asserts.
	(variable_merge_over_src): Likewise.
	(dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
	(variable_post_merge_new_vals): Merge asserts.
	(variable_post_merge_perm_vals): Likewise.
	(find_mem_expr_in_1pdv): Likewise.
	(dataflow_set_different_value): Remove.
	(onepart_variable_different_p): Merge asserts.
	(variable_different_p): Likewise.
	(dataflow_set_different_1): Inline ...
	(dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
	(emit_notes_for_differences_1): Merge asserts.

2010-06-03  Jan Hubicka  <jh@suse.cz>
	    Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
	set->regs[i] is NULL or has just one entry.

2010-06-03  Alan Modra  <amodra@gmail.com>

	PR target/44169
	* config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
	rtx to gen_load_toc_v4_PIC_1b.  Tidy.
	(rs6000_emit_load_toc_table): Likewise.

2010-06-02  Richard Guenther  <rguenther@suse.de>

	* lto-streamer-in.c (input_gimple_stmt): Fix typo.

2010-06-02  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-05-27  Jan Hubicka  <jh@suse.cz>

	* sched-ebb.c: Rename struct deps to struct deps_desc.
	* ddg.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-int.h: Likewise.
	* sched-rgn.c: Likewise.

2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/2097.md (z10_fhex): Remove insn reservation.
	* config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
	(*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
	*mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
	instruction.
	* config/s390/s390.c: Don't accept fp zeros as valid constants
	anymore.

2010-05-31  Jakub Jelinek  <jakub@redhat.com>

	PR target/44338
	* config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
	fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
	fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
	fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
	fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
	fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
	fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
	Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
	TARGET_FUSED_MADD.

	PR middle-end/44337
	* expr.c (expand_assignment): Don't store anything for out-of-bounds
	array accesses with non-MEM.

	PR tree-optimization/44182
	* tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
	newly needs to end a bb is followed by debug stmts, instead return
	true from the function at the end.
	(maybe_move_debug_stmts_to_successors): New function.
	(copy_cfg_body): Call it if copy_edges_for_bb returned true.

2010-05-31  Kai Tietz  <kai.tietz@onevision.com>

	Merged from trunk
	PR target/44161
	* config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
	flag_pic.

2010-05-28  Richard Guenther  <rguenther@suse.de>

	PR lto/44312
	* lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
	Stream fixed-point constants mode.
	(unpack_ts_type_value_fields): Fix width of TYPE_MODE
	and TYPE_PRECISION.
	* lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
	Stream fixed-point constants mode.
	(pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
	and TYPE_PRECISION.

2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (movqi): Fix typo ('*' -> '#').

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/43636
	* builtins.c (expand_movstr): Use a temporary pseudo instead
	of target even when target is not NULL and not const0_rtx, but
	fails movstr predicate.
	* config/m32c/blkmov.md (movstr): Add predicate to first operand.

2010-05-27  Jon Beniston  <jon@beniston.com>

	PR 43726
	* config/lm32/lm32.h: Remove definition of
	GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.

2010-05-26  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/44164
	* tree-ssa-alias.c (aliasing_component_refs_p): Fix the
	no-common access-path disambiguation.
	(indirect_ref_may_alias_decl_p): Adjust.
	(indirect_refs_may_alias_p): Likewise.
	(refs_may_alias_p_1): Likewise.

2010-05-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44069
	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Avoid generating
	out-of-bounds array accesses.

2010-05-26  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-04-15  Richard Guenther  <rguenther@suse.de>

	* alias.c (alias_set_subset_of): Handle alias-set zero
	child properly.

2010-05-26  Jakub Jelinek  <jakub@redhat.com>

	PR target/44199
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
	or total_size is larger than red zone size for non-V4 ABI, emit a
	stack_tie resp. frame_tie insn before stack pointer restore.
	* config/rs6000/rs6000.md (frame_tie): New insn.

2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
	stderr to /dev/null instead of grep -q.
	* configure: Regenerate.

2010-05-25  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_types_compatible_p): Check type qualifications
	before merging pointer to complete and pointer to incomplete type.
	* lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
	we use our own resolution algorithm.  The gold linker plugin
	doesn't do the job we want it to do here.

2010-05-24  Richard Guenther  <rguenther@suse.de>

	PR lto/44196
	* tree.c (find_decls_types_r): Walk BLOCKs and its vars.

2010-05-24  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2010-05-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43733
	* configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
	instead of sahf only for 64bit targets.

2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/ia32intrin.h (__crc32q): Define only if
	__SSE4_2__ is defined.

2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44245
	* config/i386/i386.c (def_builtin): Properly check
	OPTION_MASK_ISA_64BIT.

2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>

	Merged from trunk
	PR target/43869
	* config/i386/i386.c: Make sure that the correct regparm is passed.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44223
	* haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
	unchain each use from the cyclic next_regno_use chain first.

2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (override_options): Increase the default
	of max-completely-peel-times.

2010-05-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44038
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
	taking the address of a V_C_E of a constant.

2010-05-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43949
	* tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigend types.
	(extract_range_from_binary_expr): Handle TRUNC_MOD_EXPR.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44205
	* tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
	at -O0 goto_locus of any of the incoming edges differs from
	goto_locus of outgoing edge, or gimple_location of any of the
	labels differs.

2010-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44178
	* haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
	setup_ref_regs for DEBUG_INSNs.

2010-05-19  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR bootstrap/43870
	* df-scan.c (df_ref_compare): Stabilize sort.

2010-05-20  Hans-Peter Nilsson  <hp@axis.com>

	PR target/44202
	* config/cris/cris.md ("*addsi3_v32"): Correct "cc"
	settings for 16-bit-constant "addo" alternative.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/44074
	* configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/i386.c (print_operand) <case ;>: Also print ; if
	!HAVE_AS_IX86_REP_LOCK_PREFIX.
	Don't emit whitespace.
	* config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
	(*rep_movsi): Likewise.
	(*rep_movsi_rex64): Likewise.
	(*rep_movqi): Likewise.
	(*rep_movqi_rex64): Likewise.
	(*rep_stosdi_rex64): Likewise.
	(*rep_stossi): Likewise.
	(*rep_stossi_rex64): Likewise.
	(*rep_stosqi): Likewise.
	(*rep_stosqi_rex64): Likewise.
	(*cmpstrnqi_nz_1): Use {%;} after repz.
	(*cmpstrnqi_nz_rex_1): Likewise.
	(*cmpstrnqi_1): Likewise.
	(*cmpstrnqi_rex_1): Likewise.
	(*strlenqi_1): Use {%;} after repnz.
	(*strlenqi_rex_1): Likewise.
	* config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
	(*sync_compare_and_swap<mode>): Likewise.
	(sync_double_compare_and_swap<mode>): Likewise.
	(*sync_double_compare_and_swapdi_pic): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_add<mode>): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_<code><mode>): Likewise.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	3dnow, sse3, sse2.
	(Directives): Document optional	dg-require-effective-target
	selector.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
	pentiumpro on Solaris 8/x86 with Sun as.
	* configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
	hidden alias bug.
	(gcc_cv_as_ix86_quad): Check for .quad directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.

2010-05-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43987
	* tree-ssa-structalias.c (could_have_pointers): For possibly
	address-taken variables force pointers to be recorded.
	(create_variable_info_for_1): Likewise.
	(push_fields_onto_fieldstack): Pass in wheter all fields
	must have pointers.
	(find_func_aliases): Query types instead of vars whether
	they contain pointers where appropriate.

2010-05-19  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2010-04-26  Richard Guenther  <rguenther@suse.de>

	PR lto/43455
	* tree-inline.c (tree_can_inline_p): Also check compatibility
	of return types.

	2010-04-23  Richard Guenther  <rguenther@suse.de>

	PR lto/42653
	* tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
	of FUNCTION_DECLs.

	2010-04-26  Richard Guenther  <rguenther@suse.de>

	PR lto/42425
	* tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
	if emitting debug information and it is either a function
	or a namespace decl.

	2010-04-26  Richard Guenther  <rguenther@suse.de>

	PR lto/43080
	* gimple.c (gimple_decl_printable_name): Deal gracefully
	with a NULL DECL_NAME.

	2010-04-30  Richard Guenther  <rguenther@suse.de>

	PR lto/43946
	* passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
	first after all lowering passes.

2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

	PR lto/44184
	* lto-streamer-out.c (output_gimple_stmt): Output number of labels
	in a GIMPLE_ASM.
	* lto-streamer-in.c (input_gimple_stmt): Read number of labels
	in a GIMPLE_ASM.

2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.

2010-05-17  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/42347
	* cfglayout.c (fixup_reorder_chain): Allow returnjump_p
	to have no fallthru edge.

	PR middle-end/44102
	* cfgcleanup.c (try_optimize_cfg): When removing trivially empty
	bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
	mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
	add BARRIER after previous bb if needed.

2010-05-17  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
	unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
	with copy_reg rtx param.
	(rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
	Correct cases where code for ABI_V4 did not initialise the reg
	used to access frame.  Also leave frame_reg_rtx as sp for large
	frames that save no regs.

2010-05-17  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>

	* opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
	(decode_options): Likewise.
	* Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.

2010-05-14  Jason Merrill  <jason@redhat.com>

	PR c++/44127
	* gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
	(gimple_call_set_nothrow): New.
	* gimple.c (gimple_build_call_from_tree): Call it.
	(gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.

	PR c++/44127
	* gimplify.c (gimplify_seq_add_stmt): No longer static.
	* gimple.h: Declare it.
	* gimple.c (gimple_build_eh_filter): No ops.

2010-05-14  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44136
	* cfgexpand.c (expand_debug_expr): If non-memory op0
	has BLKmode, return NULL.

2010-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44088
	* config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.

2010-05-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44124
	* tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.

2010-05-13  Jason Merrill  <jason@redhat.com>

	* gimplify.c (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the
	rhs didn't change.

	PR c++/43787
	* gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
	returns GS_OK.
	(gimplify_modify_expr_rhs): Return GS_OK if anything changed.

2010-05-12  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.c (override_options): Adjust the z10 defaults
	for max-unroll-times, max-completely-peeled-insns
	and max-completely-peel-times.

2010-05-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/44085
	* gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
	change value of ORT_TASK.
	(new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
	(omp_notice_threadprivate_variable): New function.
	(omp_notice_variable): Call it for threadprivate variables.
	If enclosing ctx is a task, print enclosing task rather than
	enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
	(gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
	if task has untied clause.

2010-05-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/44071
	* cfglayout.c (fixup_reorder_chain): Allow asm goto to have
	no fallthru edge.
	* cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
	optimizing away empty bb with no successors, move over its
	footer chain to fallthru predecessor.
	* cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
	(rtl_split_edge): For asm goto call patch_jump_insn even if
	splitting fallthru edge.

2010-05-11  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/43812
	* ipa.c (dissolve_same_comdat_group_list): New function.
	(function_and_variable_visibility): Call
	dissolve_same_comdat_group_list when comdat group contains external or
	newly local nodes.
	* cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
	lists are circular and that they contain only DECL_ONE_ONLY nodes.

2010-05-10  Jakub Jelinek  <jakub@redhat.com>

	PR debug/44028
	* haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
	clear also INSN_REG_USE_LIST.

2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
		    Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/44012
	* ira-build.c (remove_unnecessary_allocnos): Nullify
	regno_allocno_map of the removed allocno.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
	to /dev/null.
	* configure: Regenerate.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sol2.c (solaris_assemble_visibility): Declare decl, vis
	unused.
	Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
	* configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
	support in Sun ld.
	* configure: Regenerate.

2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44046
	* config/i386/driver-i386.c (host_detect_local_cpu): Properly
	detect Atom, Core 2 and Core i7.

2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/44016
	* doc/standards.texi (Standards): Link to unversioned
	cxx0x_status.html page.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris.h (LINK_SPEC): Don't pass -init, -fini with -r.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/dbxmdebug.h: Remove.
	* config.gcc (mips-sgi-irix[56]*): Remove mips/dbxmdebug.h.

2010-05-05  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline:
	2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/43744
	* config/sh/sh.c (find_barrier): Don't emit a constant pool
	in the middle of insns for casesi_worker_2.

2010-05-05  Jason Merrill  <jason@redhat.com>

	PR debug/43370
	* c-common.c (handle_aligned_attribute): Respect
	ATTR_FLAG_TYPE_IN_PLACE.

2010-05-05  Richard Guenther  <rguenther@suse.de>

	PR c++/43880
	* tree-inline.c (copy_bind_expr): Also copy bind expr vars
	value-exprs.

2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/43671
	* alias.c (true_dependence): Handle the same VALUE in x and mem.
	(canon_true_dependence): Likewise.
	(write_dependence_p): Likewise.

2010-05-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43972
	* config/i386/i386.c (ix86_delegitimize_address): Make sure the
	result mode matches original rtl mode.

2010-05-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
	when processing flag options.

2010-05-02  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/43921
	* config/i386/i386.c (get_some_local_dynamic_name): Replace
	INSN_P with NONDEBUG_INSN_P.
	(distance_non_agu_define): Likewise.
	(distance_agu_use): Likewise.

2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
	the variable part of the offset as well.  Use highest_pow2_factor for
	all alignment checks.

2010-04-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43942
	* tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.

2010-04-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
	type if available.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

	* lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
	record or union type with RECORD_OR_UNION_TYPE_P predicate.
	(lto_input_ts_type_tree_pointers): Likewise.
	* lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
	(lto_output_ts_type_tree_pointers): Likewise.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

	* lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
	hash_tree, eq_tree): New tree hash table.
	(lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
	[LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
	lto_orig_address_remove): Reimplement.

2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/22224
	* config/alpha/osf.h (ASM_OUTPUT_LOCAL): Redefine.

2010-04-28  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43846
	* tree-sra.c (struct access): New flag grp_assignment_read.
	(build_accesses_from_assign): Set grp_assignment_read.
	(sort_and_splice_var_accesses): Propagate grp_assignment_read.
	(enum mark_read_status): New type.
	(analyze_access_subtree): Propagate grp_assignment_read, create
	accesses also if both direct_read and root->grp_assignment_read.

2010-04-27  Kai Tietz  <kai.tietz@onevision.com>

	Back-merged from trnnk.
	* collect2.c (TARGET_64BIT): Redefine to target's default.
	* tlink.c: Likewise.
	* config/i386/cygming.h (USER_LABEL_PREFIX): Define
	dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
	* config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
	for underscoring __USER_LABEL_PREFIX__.
	* config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
	(SUB_LINK_ENTRY32): New.
	(SUB_LINK_ENTRY64): New.
	(LINK_SPEC): Replace entry point spec by
	SUB_LINK_ENTRY.
	* config/i386/mingw32 (SUB_LINK_ENTRY32): New.
	(SUB_LINK_ENTRY64): New.
	(SUB_LINK_ENTRY): New.
	(LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
	(DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
	x64 target is choosen.
	* config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
	* configure: Regenerated.
	* configure.ac (leading-mingw64-underscores): Option added.

2010-04-27  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
	force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
	or DW_CFA_def_cfa_offset{,_sf}.

	* unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.

2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>

	PR target/43889
	* config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
	Add missing earlyclobber for second alternative.

2010-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/43893
	* c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.

2010-04-26  Jie Zhang  <jie@codesourcery.com>

	PR tree-optimization/43833
	* tree-vrp.c (range_int_cst_p): New.
	(range_int_cst_singleton_p): New.
	(extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
	when both operands are constants.  Use range_int_cst_p in
	BIT_IOR_EXPR case.

2010-04-23  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/43835
	* tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
	function does not have type attributes.

2010-04-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43572
	* tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.

2010-04-23  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2010-04-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43845
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
	lookup the CALL_EXPR function and arguments.

2010-04-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43570
	* omp-low.c (scan_sharing_clauses): Don't scan_omp_op
	OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
	(lower_copyprivate_clauses): Use private var in outer
	context instead of original var.  Make sure the types
	are correct for VLAs.

2010-04-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43783
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
	constant ARRAY_REF operands two and three if possible.

2010-04-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43796
	* tree-vrp.c (adjust_range_with_scev): Lookup init and step
	from SCEV in the lattice.
	(vrp_visit_phi_node): Dump change.

2010-04-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/43337
	* tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
	with non-local decl doesn't need chain.

2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/43635
	* config/s390/s390.c (s390_emit_call): Turn direct into indirect
	calls for -fpic -m31 if they have been sibcall optimized.

2010-04-19  DJ Delorie  <dj@redhat.com>

	* cfgexpand.c (expand_debug_expr): Check for mismatched modes in
	POINTER_PLUS_EXPR and fix them.

2010-04-19  Jie Zhang  <jie@codesourcery.com>

	PR target/43662
	* reginfo.c (reinit_regs): Set caller_save_initialized_p
	to false.

2010-04-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43572
	* tree-tailcall.c (find_tail_calls): Verify the tail call
	properly.

2010-04-19 Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/43771
	* tree-vect-slp.c (vect_supported_load_permutation_p): Check that
	load permutation doesn't have gaps.

2010-04-18  Matthias Klose  <doko@ubuntu.com>

	* gcc.c (main): Search for liblto_plugin.so with mode R_OK.

2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (plugin -rdynamic test): Log result.
	* configure: Regenerate.
	* config/sol2.h (LINK_SPEC): Handle -rdynamic.
	(RDYNAMIC_SPEC): Define.
	* config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.

2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
	* config/sol2-gld.h: ... here.
	* config.gcc (sparc*-*-solaris2*): Reflect this.
	(i[34567]86-*-solaris2*): Use it.

2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac: Determine Sun ld version numbers.
	(comdat_group): Restrict GNU ld version checks to gld.
	(comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
	(enable_comdat): Support --enable-comdat.
	* configure: Regenerate.
	* doc/install.texi (Configuration): Document --enable-comdat.

2010-04-01  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
	splitter condition.
	(*udivmod<mode>4): Ditto.

	2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
	from insn template.

2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>

	Backport from mainline:
	2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>

	* config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.

2010-04-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43627
	* tree-vrp.c (extract_range_from_unary_expr): Widenings
	of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
	not varying.

2010-04-14  Richard Guenther  <rguenther@suse.de>

	* DEV-PHASE: Set back to prerelease.
	* BASE-VER: Bump to 4.5.1.

2010-04-14  Release Manager

	* GCC 4.5.0 released.

2010-04-13  Michael Matz  <matz@suse.de>

	PR middle-end/43730
	* builtins.c (expand_builtin_interclass_mathfn): Also create
	a register if the predicate doesn't match.

2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/contrib.texi (Contributors, Rainer Orth): Update.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/43643
	* config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
	(Specific, *-*-solaris2*): Likewise.
	Don't prefer Sun as over GNU as.

2010-04-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43679
	* tree-ssa-pre.c (eliminate): Only propagate copies.

2010-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43670
	* cfgexpand.c (expand_debug_expr): If for non-NULL offset
	op0 is not a MEM, just return NULL instead of assertion
	failure.
	(discover_nonconstant_array_refs): Don't walk debug stmts.

2010-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/43668
	* config/i386/i386.c (setup_incoming_varargs_64): Align stack to
	16byte for FP register save area.

2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/install.texi (Configuration): Move description of
	--enable-lto, --with-libelf*, --enable-gold from Java section to
	general section.

	* doc/generic.texi (Working with declarations)
	(Function Properties, C and C++ Trees): Fix typos.
	* doc/sourcebuild.texi (Top Level): Likewise.

2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
	generic.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/43667
	* config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
	instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
	(ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
	MULTI_* defines for 4 argument vpermil2p* builtins.

2010-04-06  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi, doc/standards.texi: Refer to
	gcc-4.5/c99status.html.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/43638
	* config/i386/i386.c (print_operand): Remove 'e' and 'E' code
	handling.

2010-04-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43661
	* fold-const.c (fold_comparison): Handle X * 0 CMP 0.

2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Optimize Options): Document that LTO
	won't remove object access purely due to incompatible
	declarations.

2010-04-04  Matthias Klose  <doko@ubuntu.com>

	* graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
	Initialize variable.

2010-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42509
	* alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
	require a non-NULL MEM_OFFSET.

2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>

	* ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
	basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
	collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
	config/alpha/predicates.md, config/arm/arm.md,
	config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
	config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
	config/darwin9.h, config/darwin.c, config/darwin.h,
	config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
	config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
	config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
	config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
	config/mips/mips.md, config/mn10300/mn10300.c,
	config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
	config/rs6000/aix.h, config/rs6000/dfp.md,
	config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
	config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
	config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
	config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
	config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
	config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
	c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
	diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
	doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
	doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
	fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
	gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
	graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
	graphite-dependences.c, graphite-poly.c, graphite-poly.h,
	graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
	graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
	intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
	ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
	ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
	loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
	objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
	opt-functions.awk, opth-gen.awk, params.def, passes.c,
	postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
	rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
	store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
	tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
	tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
	tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
	tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
	tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
	tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
	tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
	tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
	tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
	tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
	unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/43620
	* doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
	* aclocal.m4: Regenerate.

2010-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43629
	* tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
	if we have seen a constant value.

2010-04-02  Joseph Myers  <joseph@codesourcery.com>

	* read-rtl.c (read_rtx_1): Give an error for EOF while looking for
	']'.

2010-04-02  Richard Earnshaw  <rearnsha@arm.com>

	PR target/43469
	* arm.c (legitimize_tls_address): Adjust call to
	gen_tls_load_dot_plus_four.
	(arm_note_pic_base): New function.
	(arm_cannot_copy_insn_p): Use it.
	* thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
	constraint.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/43531

	Revert:
	2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in ($(out_object_file)): Depend on
	gt-$(basename $(notdir $(out_file))).h.

2010-04-01  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config.gcc (lm32-*-rtems*): Add t-lm32.

2010-04-01  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config.gcc: Add lm32-*-rtems*.
	* config/lm32/rtems.h: New file.

2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/42609
	* config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.

2010-04-01  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_compilation_unit_header): For
	-gdwarf-4 use version 4 instead of version 3.
	(output_line_info): For version 4 and above emit additional
	maximum ops per insn header field.
	(DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.

	* dwarf2out.c (is_c_family, is_java): Remove.
	(lower_bound_default): New function.
	(add_bound_info, gen_descr_array_type_die): Use it.

2010-04-01  Dodji Seketeli  <dodji@redhat.com>

	PR debug/43325
	* dwarf2out.c (gen_variable_die): Allow debug info for variable
	re-declaration when it happens in a function.

2010-04-01  Aldy Hernandez  <aldyh@redhat.com>

	* cgraph.c (cgraph_add_function_insertion_hook): Update comment.
	(cgraph_remove_function_insertion_hook): Same.
	(cgraph_call_function_insertion_hooks): Same.

2010-04-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43614
	* tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
	and TREE_THIS_VOLATILE.
	(copy_ref_info): Likewise.
	* tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
	* tree.c (build6_stat): Ignore side-effects of all but arg5
	for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
	TARGET_MEM_REF.

2010-04-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43607
	* ipa-type-escape.c (check_call): Do not access non-existing
	arguments.

2010-04-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43602
	Revert
	2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
		    Jack Howarth  <howarth@bromo.med.uc.edu>

	* tree-profile.c (tree_init_ic_make_global_vars): Make static
	variables TLS.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Prerequisites): Document libelf usability on
	IRIX 5/6 and Solaris 2.
	(Specific, i?86-*-solaris2.10): No 64-bit default configuration.
	Update GNU as, GNU ld requirements.
	(Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
	Document Sun Studio compiler download.
	Update and simplify as, ld recommendations.
	(Specific, *-*-solaris2.7): Note obsoletion, removal.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
	with_tune_32 to pentium4.

2010-04-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
	obsoletion, removal.
	Update IDO URL.
	Document GNU as requirement.
	Update configure requirements.
	(Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
	removal.
	Recomment IRIX 6.5.18+.
	Document IDF/IDL requirement.
	Document GNU as requirement.
	Document GNU ld bootstrap failure.
	Remove freeware.sgi.com reference.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
	UNIX V4.0, V5.0 obsoletion, removal.
	Remove --with-gc=simple reference.
	Update VM requirements during bootstrap.
	Remove -oldas bootstrap description.
	Update binutils reference.
	Remove comparison failure note.

2010-03-31  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43464
	* tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
	with multiple arguments.
	(execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (print_pddr): Call print_pdr with an
	extra argument.
	* graphite-poly.c (debug_pdr): Add an extra argument for the
	verbosity level.
	(print_pdr): Same.
	(print_pbb_domain): Same.
	(print_pbb): Same.
	(print_scop_context): Same.
	(print_scop): Same.
	(print_cloog): Same.
	(debug_pbb_domain): Same.
	(debug_pbb): Same.
	(print_pdrs): Same.
	(debug_pdrs): Same.
	(debug_scop_context): Same.
	(debug_scop): Same.
	(debug_cloog): Same.
	(print_scop_params): Same.
	(debug_scop_params): Same.
	(print_iteration_domain): Same.
	(print_iteration_domains): Same.
	(debug_iteration_domain): Same.
	(debug_iteration_domains): Same.
	(print_scattering_function): Same.
	(print_scattering_functions): Same.
	(debug_scattering_function): Same.
	(debug_scattering_functions): Same.
	* graphite-poly.h (debug_pdr): Update declaration.
	(print_pdr): Same.
	(print_pbb_domain): Same.
	(print_pbb): Same.
	(print_scop_context): Same.
	(print_scop): Same.
	(print_cloog): Same.
	(debug_pbb_domain): Same.
	(debug_pbb): Same.
	(print_pdrs): Same.
	(debug_pdrs): Same.
	(debug_scop_context): Same.
	(debug_scop): Same.
	(debug_cloog): Same.
	(print_scop_params): Same.
	(debug_scop_params): Same.
	(print_iteration_domain): Same.
	(print_iteration_domains): Same.
	(debug_iteration_domain): Same.
	(debug_iteration_domains): Same.
	(print_scattering_function): Same.
	(print_scattering_functions): Same.
	(debug_scattering_function): Same.
	(debug_scattering_functions): Same.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (print_scattering_function_1): New.
	(print_scattering_function): Call it.
	(print_scop_params): Remove spaces at the end of lines.
	(print_cloog): New.
	(debug_cloog): New.
	* graphite-poly.h (print_cloog): Declared.
	(debug_cloog): Declared.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
	in loop->header.
	* tree-flow.h (canonicalize_loop_ivs): Updated declaration.
	* tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
	* tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
	to switch between adding the IV bump in loop->latch or in loop->header.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (print_scattering_function): Pretty print following
	the scoplib format.
	(print_pdr): Same.
	(print_pbb_domain): Same.
	(dump_gbb_cases): Same.
	(dump_gbb_conditions): Same.
	(print_pdrs): Same.
	(print_pbb): Same.
	(print_scop_params): Same.
	(print_scop_context): Same.
	(print_scop): Same.
	(print_pbb_body): New.
	(lst_indent_to): New.
	(print_lst): Start new lines with a #.
	* graphite-poly.h (pbb_bb): New.
	(pbb_index): Use pbb_bb.
	* graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
	disjuncts.
	* tree-data-ref.c (dump_data_reference): Start new lines with a #.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (size_of_die): For -gdwarf-4 use
	uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
	and 0 instead of 1 for dw_val_class_flag.
	(value_format): For -gdwarf-4 use DW_FORM_sec_offset for
	dw_val_class_range_list, dw_val_class_loc_list,
	dw_val_class_lineptr and dw_val_class_macptr, use
	DW_FORM_flag_present for dw_val_class_flag and
	DW_FORM_exprloc for dw_val_class_loc.
	(output_die): For -gdwarf-4 print dw_val_class_loc
	size as uleb128 instead of 1 or 2 bytes and don't print
	anything for dw_val_class_flag.

	* var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
	instead of cselib_lookup following by tweaking locs->setting_insn.

	PR bootstrap/43596
	* cselib.c (cselib_process_insn): Clear cselib_current_insn
	even before returning from label, setjmp call or volatile asm
	handling.

2010-03-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43600
	* cgraphunit.c (cgraph_output_in_order): Do not allocate
	temporary data on stack.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
	(PUSHSECTION_ASM_OP): Remove.
	(POPSECTION_ASM_OP): Remove.
	(PUSHSECTION_FORMAT): Remove.
	* config/sol2.h (PUSHSECTION_FORMAT): Define.
	* config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
	* config/sol2.c (solaris_output_init_fini): Use it.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

	PR 43574
	* opt-functions.awk (var_type_struct): Use signed char type
	for simple variables.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sol2.c: Include output.h.
	(solaris_assemble_visibility): New function.
	* config/t-sol2 (sol2.o): Add output.h dependency.
	* config/sol2-protos.h (solaris_assemble_visibility): Declare.
	* config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
	Redefine.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

	PR target/43580
	* config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
	V2SImode or XFmode on PRE_DEC.

	PR debug/43557
	* cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
	BLKmode.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

	PR 43562
	* reload.h (caller_save_initialized_p): Declare.
	* toplev.c (backend_init_target): Don't call
	init_caller_save but set caller_save_initialized_p to false.
	* caller-save.c (caller_save_initialized_p): Define.
	(init_caller_save): Check caller_save_initialized_p.
	* ira.c (ira): Call init_caller_save if flag_caller_saves.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/39048
	* config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
	and soft-fp/t-softfp to tmake_file.
	* config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
	(LIBGCC2_TF_CEXT): Define.
	(TF_SIZE): Define.

2010-03-30  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42977
	* cselib.c (n_useless_values): Document handling of debug locs.
	(n_useless_debug_values, n_debug_values): New variables.
	(new_elt_loc_list): Don't add to debug values, keep count.
	(promote_debug_loc): New.
	(cselib_reset_table): Zero new variables.
	(entry_and_rtx_equal_p): Promote debug locs.
	(discard_useless_locs): Increment n_useless_debug_values for
	debug values.
	(remove_useless_values): Adjust n_useless_values and n_debug_values
	with n_useless_debug_values.
	(add_mem_for_addr): Promote debug locs.
	(cselib_lookup_mem): Likewise.
	(cselib_lookup_addr): Renamed to...
	(cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
	(cselib_log_lookup): ... this.  Turn into...
	(cselib_lookup_addr): ... new wrapper.
	(cselib_lookup_from_insn): New.
	(cselib_invalidate_regno): Increment n_useless_debug_values for
	debug values.
	(cselib_invalidate_mem): Likewise.
	(cselib_process_insn): Take n_deleted and n_debug_values into
	account to guard remove_useless_value call.
	(cselib_finish): Zero n_useless_debug_values.
	* cselib.h (cselib_lookup_from_insn): Declare.
	* sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
	(sched_analyze_2): Likewise.

2010-03-30  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
	functions.
	(adjust_mems): Replace narrowing SUBREG of expression containing
	just PLUS, MINUS, MULT and ASHIFT of registers and constants
	with operations in the narrower mode.

	PR debug/43593
	* var-tracking.c (dataflow_set_clear_at_call): Invalidate just
	regs_invalidated_by_call instead all call_used_reg_set registers.

2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43430
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
	pointer comparisons with types_compatible_p.
	* tree-vect-stmts.c (vectorizable_call): Same.
	(vectorizable_condition): Same.

2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
	stack check if the mask would be zero.

2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>

	* tree-profile.c (tree_init_ic_make_global_vars): Make static
	variables TLS.

2010-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR other/25232
	* libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
	and __unordtf2.
	* config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
	Include ___unordxf2 and ___unordtf2.
	* config/i386/libgcc-glibc.ver: Do not define inheritance from
	GCC_4.4.0 here.

2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>

	* config/lm32/t-lm32: New file.
	* config.gcc: Use the above file when targetting lm32.

2010-03-28  Duncan Sands  <baldrick@free.fr>

	* Makefile.in (PLUGIN_HEADERS): Add except.h.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43431
	* tree-vect-loop.c (vect_estimate_min_profitable_iters):
	Improve vectorization cost model diagnostic.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43436
	* tree-vect-data-refs.c (vect_analyze_data_refs): When
	compute_data_dependences_for_loop returns false, early exit
	and output an extra diagnostic for the failed data reference
	analysis.

2010-03-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43560
	* tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
	(can_sm_ref_p): Treat stores to readonly locations as trapping.

2010-03-29  Jie Zhang  <jie@codesourcery.com>

	PR 43564
	* toplev.c (process_options): Set optimization_default_node
	and optimization_current_node.
	* opts.c (decode_options): Don't set optimization_default_node
	and optimization_current_node.

2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/rtems.h: Abandon -qrtems_debug.

2010-03-28  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/43505
	* cgraph.c (cgraph_clone_node): When clonning a clone, replacement
	map should not be copied.

2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/41674
	* cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
	cdtors, set DECL_PRESERVE_P.
	* ipa.c (cgraph_externally_visible_p): Return true if declaration
	should be preseved.

2010-03-27  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/43528
	* stor-layout.c (place_field): Check that constant fits into
	unsigned HWI when skipping calculation of MS bitfield layout.

2010-03-27  Jan Hubicka  <jh@suse.cz>

	PR middle-end/43391
	* varasm.c (make_decl_rtl): Deal with COMMON flag to make
	notice_global_symbol work.

2010-03-27  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
	instead of dwarf2out_decl.
	(struct var_loc_node): Remove section_label field.
	(dwarf2out_function_decl): New function.
	(dwarf2out_var_location): Don't set section_label field.
	(dwarf2out_begin_function): Don't empty decl_loc_table here.

2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR tree-optimization/43544
	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
	First argument for builtin vectorized function hook is now a
	tree to be able to distinguish between machine specific and
	standard builtins.
	* targhooks.c (default_builtin_vectorized_function): Ditto.
	* targhooks.h (default_builtin_vectorized_function): Ditto.
	* target.h (struct gcc_target): Ditto.
	* tree-vect-stmts.c (vectorizable_function): Ditto.
	* config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
	* config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
	Ditto.

2010-03-26  Joseph Myers  <joseph@codesourcery.com>

	PR c/43381
	* c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
	nested binding iff it is a FUNCTION_DECL.
	(store_parm_decls_newstyle): Pass nested=true to bind for
	FUNCTION_DECLs amongst parameters.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (vt_expand_loc_callback): Don't run
	cselib_expand_value_rtx_cb in dummy mode if
	cselib_dummy_expand_value_rtx_cb returned false.

	* var-tracking.c (emit_note_insn_var_location): For one part
	notes with offset 0, don't add EXPR_LIST around the location.
	* dwarf2out.c (loc_descriptor, dw_loc_list_1,
	add_location_or_const_value_attribute): Adjust for that change.

	PR debug/43540
	* dwarf2out.c (reg_save): For DW_CFA_expression put regnum
	into first operand and location into second.
	(dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
	dw_cfi_oprnd_loc for DW_CFA_expression.
	(dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
	(output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
	assume first argument is regnum and second argument is location.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42113
	* config/alpha/alpha.md (*cmp_sadd_si): Change mode
	of scratch register to DImode.  Split to DImode comparison operator.
	Use SImode subreg of scratch register in the multiplication.
	(*cmp_sadd_sidi): Ditto.
	(*cmp_ssub_si): Ditto.
	(*cmp_ssub_sidi): Ditto.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43524
	* config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
	Remove invalid assert and wrong comment.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43516
	* flags.h (final_insns_dump_p): New extern.
	* final.c (final_insns_dump_p): New variable.
	(rest_of_clean_state): Set it before -fdump-final-insns=
	dumping, clear afterwards.
	* print-rtl.c (print_rtx): If final_insns_dump_p don't dump
	MEM_ALIAS_SET on MEMs.

2010-03-26  David S. Miller  <davem@davemloft.net>

	* configure.ac: Fix sparc GOTDATA_OP bug check.
	* configure: Rebuild.

2010-03-26  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.

2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
	TLS_SECTION_ASM_FLAG.

2010-03-25  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/43511
	* config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
	Clear first_function_block_is_cold.

	PR c/43385
	* gimplify.c (gimple_boolify): Only recurse on __builtin_expect
	argument if the argument is truth_value_p.

2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/constraints.md: Update copyright year for my changes.

	PR target/43484
	* config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
	used in reg+reg addressing, swap registers.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43293
	* target.h (struct gcc_target): Add code_end hook.
	* target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
	if not yet defined.
	(TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
	* toplev.c (compile_file): Call targetm.asm_out.code_end
	hook before unwind info/debug info output.
	* config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
	* config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
	(TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
	* config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
	(TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
	* config/i386/i386.c (ix86_file_end): Renamed to...
	(ix86_code_end): ... this.  Make static.  Don't call
	file_end_indicate_exec_stack.  Emit unwind info using
	final_start_function/final_end_function.
	(darwin_x86_file_end): Remove.
	(TARGET_ASM_CODE_END): Define.
	* config/i386/i386.h (TARGET_ASM_FILE_END,
	NEED_INDICATE_EXEC_STACK): Don't define.
	* config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
	(TARGET_ASM_FILE_END): Define to darwin_file_end.
	* config/i386/i386-protos.h (ix86_file_end): Remove prototype.
	* doc/tm.texi (TARGET_ASM_CODE_END): Document.

	PR target/43498
	* config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
	at the beginning and final_end_function at the end.
	* config/s390/s390.c (s390_output_mi_thunk): Likewise.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
	and Sun as TLS syntax.
	(TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* varasm.c (TLS_SECTION_ASM_FLAG): Define default.
	(default_elf_asm_named_section): Use it.
	* config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
	(i386_output_dwarf_dtprel): Likewise.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @GOTTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @GOTNTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @INDNTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @NTPOFF.
	(output_addr_const_extra): Likewise.
	(output_pic_addr_const): Lowercase @TPOFF.
	(output_addr_const_extra): Likewise.
	* config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
	(*tls_global_dynamic_64): Likewise.
	(*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
	(*tls_local_dynamic_base_64): Lowercase	@TLSLD.

	* defaults.h (TLS_COMMON_ASM_OP): Provide default.
	(ASM_OUTPUT_TLS_COMMON): Use it.
	* config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.

	PR target/38118
	* config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
	* config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
	* config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
	* config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
	* config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
	(ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/i386.c (override_options): Don't accept
	-mtls-dialect=sun any longer.
	* config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
	* config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
	(*tls_local_dynamic_base_32_sun): Likewise.
	* config/i386/sol2.h (TARGET_SUN_TLS): Redefine.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43508
	* dwarf2out.c (mem_loc_descriptor): Don't ICE on
	VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.

	PR debug/43479
	* ira.c (adjust_cleared_regs): New function.
	(update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.

	PR debug/19192
	PR debug/43479
	* cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
	from gimple_block.
	* expr.c (expand_expr_real): Restore previous
	curr_insn_source_location and curr_insn_block after
	expand_expr_real_1 call.
	(expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
	instead of expand_expr_real_1.

2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/43413
	* ira-color.c (setup_allocno_available_regs_num): Count prohibited
	hard regs too.

2010-03-22  James E. Wilson  <wilson@codesourcery.com>

	PR target/43348
	* ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
	call_value_gp, sibcall_gp): Use 's' constraint not 'i'.

2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_target_string): Add -mfma.
	Fix a typo in comment.

2010-03-22  Mike Stump  <mikestump@comcast.net>

	PR target/23071
	* config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
	Don't overly align based upon packed packed fields.

2010-03-22  Jason Merrill  <jason@redhat.com>

	* c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
	Use () rather than [], and move before the element type.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/configfiles.texi (Configuration Files): Removed
	fixinc/Makefile*, intl/Makefile.*.
	* doc/makefile.texi: Fixed markup. Abstract from version
	control system used.
	(Makefile): Removed obsolete gcc/java/parse.y example.
	* doc/sourcebuild.texi: Likewise.
	(Top Level): Added config, gnattools, libdecnumber, libgcc,
	libgomp, libssp.  Removed fastjar.
	(Miscellaneous Docs): Clarify location.
	Added COPYING3, COPYING3.LIB.
	(Front End Directory): Moved Make-lang.in entry to new subsubsection.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/38085
	* config/i386/i386.c (x86_function_profiler)
	[!NO_PROFILE_COUNTERS]: Fix typo.
	* config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
	instead of callq.

2010-03-22  Janis Johnson  <janis187@us.ibm.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Test Directives): Split into six
	subsections, with most of the current text in new subsections
	Directives, Selectors, and Final Actions.
	(Directives): Split list of test directives into multiple
	subsubsections.
	(Selectors): Describe use and syntax of selectors.
	(Effective-Target Keywords): Describe all existing keywords.
	(Add Options): Describe features for dg-add-options.
	(Require Support): Describe variants of dg-require-support.
	(Final Actions): Describe commands to use in dg-final.

2010-03-22  Michael Matz  <matz@suse.de>

	PR middle-end/43475
	* recog.c (validate_replace_rtx_group): Replace also in
	REG_EQUAL and REG_EQUIV notes.

2010-03-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43390
	* tree-vect-stmts.c (get_vectype_for_scalar_type): Make
	sure vector extracts are type correct.

2010-03-22  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40106
	* builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
	x * sqrt (x) even when optimizing for size if the target
	has native support for sqrt.

2010-03-22  Jakub Jelinek  <jakub@redhat.com>

	* varasm.c (make_decl_rtl_for_debug): Also clear
	flag_mudflap for the duration of make_decl_rtl call.

	PR debug/43443
	* var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
	locs from preserved VALUEs.

2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/42718
	* pa.md (movmemsi): Set align to one if zero.
	(movmemdi): Likewise.

2010-03-21  Richard Earnshaw  <rearnsha@arm.com>

	PR target/42321
	* arm.c (arm_output_epilogue): Correctly match VFP pop instructions
	with their corresponding prologue pushes.

2010-03-20  Andrew Pinski  <pinskia@gmail.com>

	PR target/43156
	* config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
	at the begining or end.
	(spu_expand_epilogue): Likewise.

2010-03-20  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/43438
	* combine.c (make_extraction): Properly zero-/sign-extend an
	extraction of the low part of a CONST_INT.  Also handle
	CONST_DOUBLE.

2010-03-19  Mike Stump  <mikestump@comcast.net>

	* config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
	* config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
	(override_options): Use SUBTARGET32_DEFAULT_CPU.

2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

	PR c/43211
	* c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
	an error.

2010-03-19  Bernd Schmidt  <bernd.schmidt@codesourcery.com>

	PR rtl-optimization/42258
	* ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
	use that may match DEF.

	PR target/40697
	* optabs.c (avoid_expensive_constant): Use rtx_cost to find out
	the cost of loading the constant rather than assuming
	COSTS_N_INSNS (1).
	* config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
	outer code is AND, do the same tests as the andsi3 expander and
	return COSTS_N_INSNS (1) if and is cheap.

	* optabs.c (avoid_expensive_constant): Fix formatting.

2010-03-19  Michael Matz  <matz@suse.de>

	PR c++/43116
	* attribs.c (decl_attributes): When rebuilding a function pointer
	type use the same qualifiers as the original pointer type.

2010-03-19  Martin Jambor  <mjambor@suse.cz>

	* doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
	and is_gimple_ip_invariant_address.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Revert
	2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_override_options): Turn off
	flag_dwarf2_cfi_asm for AAPCS variants.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/43399
	* config/arm/arm.c (emit_multi_reg_push): Update comments.
	Use PRE_MODIFY instead of PRE_DEC.
	(emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
	(vfp_emit_fstmd): Likewise.

2010-03-19  Michael Matz  <matz@suse.de>

	PR target/43305
	* builtins.c (expand_builtin_interclass_mathfn,
	expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
	if that fails.

2010-03-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43415
	* tree-ssa-pre.c (phi_translate): Split out worker to ...
	(phi_translate_1): ... this.
	(phi_translate): Move all caching here.  Cache all NARY
	and REFERENCE translations.

2010-03-19  David S. Miller  <davem@davemloft.net>

	With help from Eric Botcazou.
	* config/sparc/sparc.c: Include dwarf2out.h.
	(emit_pic_helper): Delete.
	(pic_helper_symbol_name): Delete.
	(pic_helper_emitted_p): Delete.
	(pic_helper_needed): New.
	(USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
	(get_pc_thunk_name): New.
	(load_pic_register): Remove 'delay_pic_helper' arg.  Use
	get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
	Set pic_helper_needed to true.  Don't call emit_pic_helper.
	(sparc_expand_prologue): Update load_pic_register call.
	(sparc_output_mi_thunk): Likewise.
	(sparc_file_end): Emit a hidden comdat symbol for the PIC
	thunk if possible.  Output CFI information as needed.

2010-03-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/36399
	* config/i386/i386.h: Fix ABI on darwin x86-32.

2010-03-18  Aldy Hernandez  <aldyh@redhat.com>

	* tree.h: Declare make_decl_rtl_for_debug.
	* varasm.c (make_decl_rtl_for_debug): New.
	* dwarf2out.c (rtl_for_decl_location): Call it.
	* cfgexpand.c (expand_debug_expr): Call it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/43399
	* var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
	mem_mode.

	PR bootstrap/43403
	* var-tracking.c (vt_init_cfa_base): Do nothing if
	cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.

2010-03-18  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42873
	* var-tracking.c (canonicalize_vars_star): New.
	(dataflow_post_merge_adjust): Use it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43058
	* var-tracking.c (non_suitable_const): New function.
	(add_uses): For DEBUG_INSNs with constants, don't record any
	value, instead just the constant value itself.
	(compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
	is not VAR_LOC_UNKNOWN_P, set var to the constant.
	(emit_notes_in_bb): Likewise.
	(emit_note_insn_var_location): For onepart variables if
	cur_loc is a VOIDmode constant, use DECL_MODE.

2010-03-18  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/42450
	* cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
	* cgraphunit.c (cgraph_materialize_all_clones): Update calls in
	all non-clones.  Moved call redirection...
	(cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
	(cgraph_materialize_all_clones): Dispose of all
	combined_args_to_skip bitmaps.
	(verify_cgraph_node): Do not check for edges pointing to wrong
	nodes in inline clones.
	* tree-inline.c (copy_bb): Call
	cgraph_redirect_edge_call_stmt_to_callee.
	* ipa.c (cgraph_remove_unreachable_nodes): Call
	cgraph_node_remove_callees even when there are used clones.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/43383
	* config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
	for 32bit.

2010-03-18  Michael Matz  <matz@suse.de>

	PR middle-end/43419
	* builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
	into sqrt(x) if we need to preserve signed zeros.

2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
	    Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/43360
	* loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
	note if we don't know its invariant status.

2010-03-18  Michael Matz  <matz@suse.de>

	PR tree-optimization/43402
	* tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
	PHI chains of ssa names registered for update.

2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/42427
	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
	non-offsettable and pre_modify update addressing.
	* config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
	and "2" alternatives "#".
	(*movdd_softfloat32): Make all alternatives "#";
	* config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
	(*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
	(*movdf_softfloat32): Make all alternatives "#";
	(movdi): Use the new DIFD mode iterator to create a common splitter
	for movdi, movdf and movdd patterns.

2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>

	* common.opt (dumpdir): Remove redundant tab.

2010-03-17  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43347
	* tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
	original base is DECL_ARTIFICIAL or DECL_IGNORED_P.

2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>

	PR rtl-optimization/42216
	* regrename.c (create_new_chain): New function, broken out from...
	(scan_rtx_reg): ... here.  Call it.  Handle the case where we are
	appending a use to an empty chain.
	(build_def_use): Remove previous changes that convert OP_INOUT to
	OP_OUT operands; instead detect the case where an OP_INOUT operand
	uses a previously untracked register and create an empty chain for it.

2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes): Rewrite unfinished
	sentence in ms_abi documentation.

2010-03-17  Alan Modra  <amodra@gmail.com>

	* config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
	* config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
	* config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.

2010-03-16  Richard Henderson  <rth@redhat.com>

	PR middle-end/43365
	* tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
	(lower_try_finally): Save and restore eh_seq around the expansion
	of the try-finally.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>

	* graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
	statements before splitting block.

2010-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Testsuites): Fix markup.
	Use pathnames relative to gcc/testsuite.
	(Test Directives): Move description of how timeout is determined.
	(Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
	(C Tests): Correct gcc.misc-tests directory.
	Framework tests now live in gcc.test-framework.

2010-03-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43379
	* tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
	operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
	    Alexandre Oliva  <aoliva@redhat.com>

	PR tree-optimization/42917
	* lambda-code.c (remove_iv): Skip debug statements.
	(lambda_loopnest_to_gcc_loopnest): Likewise.
	(not_interesting_stmt): Debug statements are not interesting.

2010-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43051
	PR debug/43092
	* cselib.c (cselib_preserve_constants,
	cfa_base_preserved_val): New static variables.
	(preserve_only_constants): New function.
	(cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
	clear its REG_VALUES.  If cselib_preserve_constants, don't
	empty the whole hash table, but preserve there VALUEs with constants,
	cfa_base_preserved_val and cfa_base_preserved_val plus constant.
	(cselib_preserve_cfa_base_value): New function.
	(cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
	(cselib_init): Change argument to int bitfield.  Set
	cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
	is in it.
	(cselib_finish): Clear cselib_preserve_constants and
	cfa_base_preserved_val.
	* cselib.h (enum cselib_record_what): New enum.
	(cselib_init): Change argument to int.
	(cselib_preserve_cfa_base_value): New prototype.
	* postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
	* dse.c (dse_step1): Likewise.
	* cfgcleanup.c (thread_jump): Likewise.
	* sched-deps.c (sched_analyze): Likewise.
	* gcse.c (local_cprop_pass): Likewise.
	* simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
	If FN is non-NULL, call the callback always and whenever it returns
	non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
	* rtl.h (simplify_replace_fn_rtx): Add argument to callback.
	* combine.c (propagate_for_debug_subst): Add old_rtx argument,
	compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
	* Makefile.in (var-tracking.o): Depend on $(RECOG_H).
	* var-tracking.c: Include recog.h.
	(bb_stack_adjust_offset): Remove.
	(vt_stack_adjustments): Don't call it, instead just gather the
	adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
	(adjust_stack_reference): Remove.
	(compute_cfa_pointer): New function.
	(hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
	(struct adjust_mem_data): New type.
	(adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
	functions.
	(get_address_mode): New function.
	(replace_expr_with_values): Use it.
	(use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
	Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
	(adjust_sets): Remove.
	(add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
	Use get_address_mode.
	(get_adjusted_src): Remove.
	(add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
	MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
	(add_with_sets): Don't call adjust_sets.
	(fp_setter, vt_init_cfa_base): New functions.
	(vt_initialize): Change return type to bool.  Move most of pool etc.
	initialization to the beginning of the function from end.  Pass
	CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
	If !frame_pointer_needed, call vt_stack_adjustment before mos
	vector is filled, call vt_init_cfa_base if argp/framep has been
	eliminated to sp.  If frame_pointer_needed and argp/framep has
	been eliminated to hard frame pointer, set
	hard_frame_pointer_adjustment and call vt_init_cfa_base after
	encountering fp setter in the prologue.  For MO_ADJUST, call
	log_op_type before pusing the op into mos vector, not afterwards.
	Call adjust_insn before cselib_process_insn/add_with_sets,
	call cancel_changes (0) afterwards.
	(variable_tracking_main_1): Adjust for vt_initialize calling
	vt_stack_adjustments and returning whether it succeeded or not.

2010-03-15  Aldy Hernandez  <aldyh@redhat.com>

	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
	debug statements.

2010-03-15  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
	has been set.
	(based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
	drap_reg has not been set.

2010-03-15  Michael Matz  <matz@suse.de>

	PR middle-end/43300
	* tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
	use it to expand block copies.
	(insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
	insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
	(insert_value_copy_on_edge): Use store_expr for BLKmode values.

2010-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43367
	* tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
	elimination check.

2010-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43317
	* ipa-struct-reorg.c (create_new_general_access): Update stmt.

2010-03-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43141
	* tree-sra.c (create_abstract_origin): New function.
	(modify_function): Call create_abstract_origin.

2010-03-15  Chris Demetriou  <cgd@google.com>

	* Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
	wasn't copied.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43354
	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
	call insert_out_of_ssa_copy for default definitions.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (my_long_long): Defined.
	(gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
	* graphite-sese-to-poly.c (my_long_long): Defined.
	(scop_ivs_can_be_represented): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
	graphite-max-bbs-per-function, and loop-block-tile-size.
	* params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
	with "maximum".
	(PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
	forward declaration.
	* graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
	(add_upper_bounds_from_estimated_nit): New.
	(build_loop_iteration_domains): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43306
	* tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
	should be an INTEGER_CST.  Also handle CASE_CONVERT.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (graphite_initialize): To bound the number of bbs per
	function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
	* params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
	* doc/invoke.texi: Document it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
	* graphite-sese-to-poly.h (build_poly_scop): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Limit scops following
	the number of parameters in the scop.  Use as an upper bound
	PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
	* params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
	* doc/invoke.texi: Document it.

2010-03-13  Jerry Quinn  <jlquinn@optonline.net>

	* Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
	* doc/c-tree.texi: Remove.
	* doc/generic.texi: Merge c-tree.texi here.
	* doc/gccint.texi (Trees): Remove menu entry.
	(c-tree.texi): Remove @include.
	* doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
	* doc/languages.texi (Reading RTL): Ditto.

2010-03-12  Steve Ellcey  <sje@cup.hp.com>

	PR target/42869
	* config/ia64/sync.md (sync_compare_and_swap): Move memory fence.

2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR middle-end/42431
	* gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
	code added to work around reload clobbering CONST insns.

2010-03-12  Jakub Jelinek  <jakub@redhat.com>

	* cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
	(cselib_preserve_definitely, cselib_clear_preserve): Remove.
	(cselib_preserve_only_values): Remove retain argument, don't
	traverse hash table with cselib_{preserve_definitely,clear_preserve}.
	* cselib.h (cselib_preserve_only_values): Remove retain argument.
	* var-tracking.c (micro_operation): Move insn field before union.
	Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
	(struct variable_tracking_info_def): Remove n_mos field, change
	mos into a vector of micro_operations.
	(count_uses, count_uses_1, count_stores, count_with_sets): Remove.
	(bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
	compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
	changing into a vector.
	(add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
	come before all other uops generated by add_stores.
	(vt_add_function_parameters): Adjust for cselib_preserve_only_values
	argument removal.
	(vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
	a vector.  Run just one pass over the bbs instead of separate counting
	and computation phase.
	(vt_finalize): Free VTI (bb)->mos vector instead of array.

	PR debug/43329
	* tree-inline.c (remap_decls): Put old_var rather than origin_var
	into *nonlocalized_list vector.
	* dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
	even if origin is non-NULL.
	(gen_variable_die): Likewise.
	(process_scope_var): Don't change origin.
	(gen_decl_die): Likewise.
	* tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
	before adding new edges instead of after it, fix moving over
	debug stmts.

2010-03-11  David S. Miller  <davem@davemloft.net>

	* configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
	of four.
	* configure: Rebuild.

2010-03-11  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43257
	* tree.c (assign_assembler_name_if_neeeded): New function.
	(free_lang_data_in_cgraph): Assembler name assignment moved to the
	above new function.
	* tree.h (assign_assembler_name_if_neeeded): Declare.
	* cgraphunit.c (cgraph_analyze_function): Create an assembler name for
	the function if needed.

2010-03-11  Chris Demetriou  <cgd@google.com>

	* Makefile.in (stmp-int-hdrs): Make include/unwind.h,
	include/stdint-gcc.h, and include/stdint.h world-readable.

2010-03-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43255
	* tree-vrp.c (process_assert_insertions_for): Do not insert
	asserts for trivial conditions.

2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR tree-optimization/43280
	* tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
	generation.  Move calculation of size out of the if branch.
	(find_bswap): Modify compare number generation.

2010-03-11  Richard Guenther  <rguenther@suse.de>

	PR lto/43200
	* lto-streamer-in.c (maybe_fixup_decls): Simplify.
	(input_gimple_stmt): Fixup handled component types during
	operand read.  Also fix up decls in ADDR_EXPRs.

2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
	* config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.

2010-03-10  Jan Hubicka  <jh@suse.cz>

	PR c/43288
	* ipa.c (function_and_variable_visibility) Normalize COMMON bits.
	* varasm.c (get_variable_section): Don't do that here...
	(make_decl_rtl): ... and here.
	(do_assemble_alias): Produce decl RTL.
	(assemble_alias): Likewise.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43290
	* reg-notes.def (REG_CFA_SET_VDRAP): New note.
	* dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
	of fde->vdrap_reg.
	(dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
	(based_loc_descr): Only express drap or vdrap regno based expressions
	using DW_OP_fbreg when not optimizing.
	* config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
	make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
	REG_CFA_SET_VDRAP note.

2010-03-10  Alexander Monakov  <amonakov@ispras.ru>

	PR tree-optimization/43236
	* tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
	error in calculation of base address in reverse iteration case.
	(generate_builtin): Take number of latch executions if the statement
	is in the latch.

2010-03-10  Andrey Belevantsev  <abel@ispras.ru>

	PR middle-end/42859
	* tree-eh.c: Include pointer-set.h.
	(lower_eh_dispatch): Filter out duplicate case labels and
	remove the unneeded edge when the label is unused.  Return
	true when some edges are removed.
	(execute_lower_eh_dispatch): When any lowering resulted in
	removing an edge, also delete unreachable blocks.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/43287
	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
	UNSPEC_MACHOPIC_OFFSET.

2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>

	PR target/43294
	* config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
	(m68k_delegitimize_address): New function.

2010-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43299
	* dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.

	PR debug/43299
	* var-tracking.c (adjust_sets): New function.
	(count_with_sets, add_with_sets): Use it.
	(get_adjusted_src): New inline function.
	(add_stores): Use it.

	PR debug/43304
	* var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
	call cselib_dummy_expand_value_rtx_cb instead of
	cselib_expand_value_rtx_cb.

	PR debug/43293
	* config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
	* config/i386/i386.c: Include debug.h and dwarf2out.h.
	(ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
	and .cfi_endproc around the pic thunks.
	(output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
	all queued unwind info register saves are saved before the call.
	For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
	considered as sp-=4 for unwind info and the pop as sp+=4 which
	also clobbers dest, but doesn't actually restore it.

	PR debug/43290
	* config/i386/i386.c (ix86_get_drap_rtx): Don't set
	RTX_FRAME_RELATED_P.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
	whitespaces in output template.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

	* ira-lives.c (check_and_make_def_use_conflict): Don't fall
	out array boundary.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
	builtins.exp in a separate job.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (add_param_constraints): Use
	lower_bound_in_type and upper_bound_in_type.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (add_param_constraints): Use sizetype
	instead of unsigned_type_node.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
	    Reza Yazdani  <reza.yazdani@amd.com>

	PR middle-end/43065
	* graphite-sese-to-poly.c (add_param_constraints): Insert bounds
	on pointer type parameters.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

	PR middle-end/42644
	PR middle-end/42130
	* graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
	handle conversions from pointer to integers.
	(gcc_type_for_cloog_iv): Choose the smalles signed integer as an
	induction variable, to be able to work with code generated by CLooG.
	* graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
	(build_poly_scop): Bail out if we cannot codegen a loop.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

	* graphite-clast-to-gimple.c (translate_clast): Do not short-cut
	code generation with gloog_error.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
	Call fold_convert on all the returned values.
	(expand_scalar_variables_expr): Pass to
	expand_scalar_variables_ssa_name the type of the resulting expression.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
	ppl_min_for_le_pointset.
	Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
	* graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (map_into_dep_poly): Removed.
	(dependence_polyhedron_1): Use combine_context_id_scat.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.h (struct poly_scattering): Add layout documentation.
	(struct poly_bb): Same.
	(combine_context_id_scat): New.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42326
	* sese.c (name_defined_in_loop_p): Return false for default
	definitions.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
	and clean up the logic.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
	early return.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (remove_cselib_value_chains): Define only for
	ENABLE_CHECKING.
	(dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
	delete_slot_part, emit_notes_for_differences_1): Don't call
	remove_cselib_value_chains here.
	(set_slot_part, emit_notes_for_differences_2): Don't call
	add_cselib_value_chains here.
	(preserved_values): New vector.
	(preserve_value): New function.
	(add_uses, add_stores, vt_add_function_parameters): Use it
	instead of cselib_preserve_value.
	(changed_values_stack): New vector.
	(check_changed_vars_0): New function.
	(check_changed_vars_1, check_changed_vars_2): Use it.
	(emit_notes_for_changes): Call set_dv_changed (*, false) on all
	changed_values_stack VALUEs.
	(vt_emit_notes): For all preserved_values call
	add_cselib_value_chains.  If ENABLE_CHECKING call
	remove_cselib_value_chains before verifying value_chains is empty.
	Initialize and free changed_values_stack.
	(vt_initialize): Initialize preserved_values.
	(vt_finalize): Free preserved_values.

2010-03-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43269
	* tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
	region detection.

2010-03-08  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
	(ipa_is_param_called): Removed.
	* ipa-prop.c (ipa_note_param_call): Do not set the called flag.
	(ipa_print_node_params): Do not print the called flag.
	(ipa_write_node_info): Do not stream the called flag.
	(ipa_read_node_info): Likewise.

2010-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43176
	* Makefile.in (var-tracking.o): Depend on pointer-set.h.
	* cselib.c (struct expand_value_data): Add dummy field.
	(cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
	dummy to false.
	(cselib_dummy_expand_value_rtx_cb): New function.
	(cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
	any rtl.
	* cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
	* var-tracking.c: Include pointer-set.h.
	(variable): Change n_var_parts to char from int.  Add
	cur_loc_changed and in_changed_variables fields.
	(variable_canonicalize): Remove.
	(shared_var_p): New inline function.
	(unshare_variable): Maintain cur_loc_changed and
	in_changed_variables fields.  If var was in changed_variables,
	replace it there with new_var.  Just copy cur_loc instead of
	resetting it to something else.
	(variable_union): Don't recompute cur_loc.  Use shared_var_p.
	(dataflow_set_union): Don't call variable_canonicalize.
	(loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
	of their DEBUG_EXPR_TREE_DECLs.
	(canonicalize_loc_order_check): Verify that cur_loc is NULL
	and in_changed_variables and cur_loc_changed is false.
	(variable_merge_over_cur): Clear cur_loc, in_changed_variables
	and cur_loc_changed.  Don't update cur_loc here.
	(variable_merge_over_src): Don't call variable_canonicalize.
	(dataflow_set_preserve_mem_locs): Use shared_var_p.  When
	removing loc that is equal to cur_loc, clear cur_loc,
	set cur_loc_changed and ensure variable_was_changed is called.
	(dataflow_set_remove_mem_locs): Use shared_var_p.  Only
	compare pointers in cur_loc check, if it is equal to loc,
	clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
	(variable_different_p): Remove compare_current_location argument,
	don't compare cur_loc.
	(dataflow_set_different_1): Adjust variable_different_p caller.
	(variable_was_changed): If dv had some var in changed_variables
	already, reset in_changed_variables flag for it and propagate
	cur_loc_changed over to the new variable.  On empty var
	always set cur_loc_changed.  Set in_changed_variables on whatever
	var is added to changed_variables.
	(set_slot_part): Clear cur_loc_changed and in_changed_variables.
	Use shared_var_p.  When removing loc that is equal to cur_loc,
	clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
	end, don't set it to something else, just call variable_was_changed.
	(delete_slot_part): Use shared_var_p.  When cur_loc equals to
	loc being removed, clear cur_loc and set cur_loc_changed.
	Set cur_loc_changed if all locations have been removed.
	(struct expand_loc_callback_data): New type.
	(vt_expand_loc_callback): Add dummy mode in which no rtxes are
	allocated.  Always create SUBREGs if simplify_subreg failed.
	Prefer to use cur_loc, when that fails and still in
	changed_variables (and seen first time) recompute it.  Set
	cur_loc_changed of variables which had to change cur_loc and
	compute elcd->cur_loc_changed if any of the subexpressions used
	had to change cur_loc.
	(vt_expand_loc): Adjust to pass arguments in
	expand_loc_callback_data structure.
	(vt_expand_loc_dummy): New function.
	(emitted_notes): New variable.
	(emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
	that weren't used for any other decl in current
	emit_notes_for_changes call call vt_expand_loc_dummy to update
	cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
	first loc_chain location if NULL before.  Always use just
	cur_loc instead of first loc_chain location.  When cur_loc_changed
	is false, when not --enable-checking=rtl just don't emit any note.
	When rtl checking, compute the note and assert it is the same
	as previous note.  Clear cur_loc_changed and in_changed_variables
	at the end before removing from changed_variables.
	(check_changed_vars_3): New function.
	(emit_notes_for_changes): Traverse changed_vars to call
	check_changed_vars_3 on each changed var.
	(emit_notes_for_differences_1): Clear cur_loc_changed and
	in_changed_variables.  Recompute cur_loc of new_var.
	(emit_notes_for_differences_2): Clear cur_loc if new variable appears.
	(vt_emit_notes): Initialize and destroy emitted_notes.

2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>

	PR rtl-optimization/42220
	* regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
	Use verify_reg_tracked to determine if we should use OP_OUT rather
	than OP_INOUT.
	(build_def_use): If we see an in-out operand for a register that we
	know nothing about, treat is an output if possible, fail the block if
	not.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42897
	* gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
	permanently.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42897
	* tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
	uses of relevant DEFs that are dead outside the loop too.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

	* var-tracking.c (dataflow_set_merge): Swap src and src2.
	Reverted:
	2010-01-13  Jakub Jelinek  <jakub@redhat.com>
	PR debug/41371
	* var-tracking.c (values_to_unmark): New variable.
	(find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
	values_to_unmark vector.  Moved body to...
	(find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
	instead queue it into values_to_unmark vector.
	(vt_find_locations): Free values_to_unmark vector.

2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>

	* Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
	(site.exp): Export them when plugins are enabled.

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42326
	* tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
	that contain scevs.
	(chrec_fold_multiply): Same.

2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

	PR c/43248
	* c-decl.c (build_compound_literal): Return early if init is
	an error_mark_node.

2010-03-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43164
	PR tree-optimization/43191
	* tree-sra.c (type_consists_of_records_p): Reject records with
	zero-size bit-fields at the end.

2010-03-04  Mike Stump  <mikestump@comcast.net>

	* Makefile.in (TAGS): Remove *.y.

2010-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40761
	* tree-ssa-pre.c (compute_antic): Walk reverse postorder
	in reverse order.
	(my_rev_post_order_compute): New function.
	(init_pre): Call it.

2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>

	PR middle-end/43209
	* tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
	decrease the cost of an IV candidate when the cost is infinite.

2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Vector Extensions, X86 Built-in Functions):
	Use '3DNow!' for the extension of that name, ensure normal space
	after the string.
	* doc/invoke.texi (i386 and x86-64 Options): Likewise.

2010-03-03  Jeff Law  <law@redhat.com>

	* PR middle-end/32693
	* expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
	than gen_rtx_SUBREG.
	(extract_bit_field_1): Likewise.

2010-03-03  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi (Test directives): Document that arguments
	include-opts and exclude-opts are now optional for dg-skip-if,
	dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.

2010-03-03  Jason Merrill  <jason@redhat.com>

	PR c++/12909
	* cgraph.h (varpool_node): Add extra_name field.
	* varpool.c (varpool_extra_name_alias): New.
	(varpool_assemble_decl): Emit extra name aliases.
	(varpool_mark_needed_node): Look past an extra name alias.
	* lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
	* lto-streamer-in.c (lto_input_tree): Read it.
	* lto-streamer-out.c (output_unreferenced_globals): Write it.

2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>

	* config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
	(sparc*-*-solaris2*): ...this.

2010-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43229
	* cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
	WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
	ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
	FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.

	PR debug/43237
	* dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
	fallthrough to default handling, just with want_address 0 instead of 2.
	For single element lists, add_AT_loc directly, otherwise create an
	artificial variable DIE and stick location list to it.

	PR debug/43177
	* var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
	(VAL_EXPR_HAS_REVERSE): Define.
	(reverse_op): New function.
	(add_stores): For reversible operations add an extra MO_VAL_USE.

2010-03-02  Jason Merrill  <jason@redhat.com>

	* c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.

2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	* config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
	(sparc64-*-linux*): Likewise.
	(sparc64-*-solaris2*): Include assembler files before linker ones.
	(sparc-*-solaris2*): Simplify and reorder to match previous case.
	* config/sparc/gas.h: Delete.
	* config/sparc/sol2-64.h: Add copyright notice.
	* config/sparc/sol2-gas-bi.h: Likewise.
	* config/sparc/sol2-gld.h: Likewise.
	* config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
	* config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
	* config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
	* config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
	(sparc_elf_asm_named_section): Rename into...
	(sparc_solaris_elf_asm_named_section): ...this.  Always define.

2010-03-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (override_options): Fix -mtune error message.

2010-03-02  Jeff Law  <law@redhat.com>

	PR middle-end/42431
	* reload1.c (rtx_p, substitute_stack): Declare.
	(substitute): Record addresses of changed rtxs.
	(gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
	Restore the original rtx when complete.
	(reload): Free subsitute_stack when complete.

2010-03-02  Janis Johnson  <janis187@us.ibm.com>

	* doc/gccint.texi (menu): Add Testsuites as a chapter.
	* doc/sourcebuild.texi (Testsuites): Move up a level to be a
	new chapter.
	(Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
	LTO Testing, gcov Testing, profopt Testing, compat Testing,
	Torture Tests): Change from subsection to section.

2010-03-02  Jakub Jelinek  <jakub@redhat.com>
	    Steven Bosscher  <steven@gcc.gnu.org>

	* var-tracking.c (vt_initialize): Scan insns in ebb chunks
	instead of bb.

2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>

	PR middle-end/42640
	* tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
	the assignment from the new induction variable to the assignment
	of the value from the original loop PHI function.

2010-03-01  Janis Johnson  <janis187@us.ibm.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>

	* doc/sourcebuild.texi (Test directives): Clarify options to
	dg-skip-if.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
	Disable cfi directives unless GCC and gas agree on using read-only
	.eh_frame sections for 64-bit.
	* configure: Regenerate.

2010-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43220
	* tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
	BUILT_IN_STACK_{SAVE,RESTORE} around alloca.

2010-03-01  Richard Guenther  <rguenther@suse.de>
	    Martin Jambor  <mjambor@suse.cz>

	PR middle-end/41250
	* gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
	gimplified parameters.

2010-03-01  Christian Bruel  <christian.bruel@st.com>

	* except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.

2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.

2010-03-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43213
	* expr.c (expand_assignment): Use the alias-oracle to tell
	if the rhs aliases the result decl.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR pch/14940
	* config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
	to sol_gt_pch_get_address.
	(TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
	64-bit, SPARC and x86.
	(sol_gt_pch_get_address): New function.

2010-03-01  Marco Poletti  <poletti.marco@gmail.com>

	* toplev.h (inform_n, error_n): Declare.
	* diagnostic.c (inform_n, error_n): New function.

2010-03-01  Jakub Jelinek  <jakub@redhat.com>

	* cfgexpand.c (expand_used_vars): If an artificial non-ignored var
	has no rtl yet when processing local_decls, queue it and recheck
	if deferred stack allocation hasn't assigned it rtl.

2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (unspec_bbr_uid): New.
	(gen_block_redirect): Use it instead of INSN_UID.
	(gen_far_branch): Likewise.

2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
	it the same as TARGET_SUBTARGET64_ISA_DEFAULT.

2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Warning Options, RX Options): Fix typos.
	(Warning Options): -Wno-conversion-null is valid for
	Objective-C++ as well.
	* doc/tm.texi (Named Address Spaces): Likewise.
	* doc/plugins.texi (Plugins): Replace TABs with spaces.
	* doc/tree-ssa.texi (Tree SSA): Likewise.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/43202
	* config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
	by default.  Don't set the default arch for
	i[34567]86-*-darwin*|x86_64-*-darwin*.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/43202
	* config.gcc: Enable SSE math for i[34567]86-*-darwin* by
	default.  Set the default 32bit/64bit archs with $with_arch
	instead of $arch for i[34567]86-*-*|x86_64-*-* targets.

2010-02-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43186
	* params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
	* doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
	unroller iterations.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
	required and i[34567]86-*-* targets don't support 64bit ISA.

2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/43096
	* tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
	the same alias set.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Set the default arch at least to Prescott for
	i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
	if SSE math is enabled.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* diagnostic.c (diagnostic_initialize): Update.
	(diagnostic_report_diagnostic): Test inhibit_notes_p for
	informative notes.
	* diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
	(diagnostic_inhibit_notes): New.
	* toplev.c (process_options): inhibit notes with -fcompare-debug.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/20631
	* doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
	* doc/standards.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/trouble.texi: Likewise.
	* doc/cppopts.texi: Likewise.
	* doc/install.texi: Likewise.
	* c.opt (std=c90,std=gnu90): New options.
	* c-opts.c (c_common_handle_option): Handle them.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/24577
	* c-decl.c (undeclared_variable): Use an informative note.

2010-02-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43186
	* gimple.h (gimple_fold): Remove.
	* gimple.c (gimple_fold): Remove.  Inline into single user ...
	* tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
	Try harder for conditions.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43190
	* function.c (used_types_insert): Don't skip through named pointer
	types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
	and it is different from the main variant's type.

2010-02-26  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (sminsi3): Remove bogus alternative.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Support --with-fpmath=sse for x86.

	* config/i386/ssemath.h: New.

	* doc/install.texi (--with-fpmath=sse): Documented.

2010-02-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43188
	* tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
	vector types of over-aligned element type.

2010-02-26  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43175
	* config/i386/i386.c (expand_vec_perm_blend): Use correct
	operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.

2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* doc/invoke.texi (-fvar-tracking-assignments): Fix typo.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
	* var-tracking.c: Include diagnostic.h.
	(debug_dv): New function.
	(dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.

	PR debug/43160
	* var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
	(add_value_chain, add_value_chains, remove_value_chain,
	remove_value_chains): Handle DEBUG_EXPRs.
	(check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.

	PR debug/43161
	* regcprop.c (struct queued_debug_insn_change): New type.
	(struct value_data_entry): Add debug_insn_changes field.
	(struct value_data): Add n_debug_insn_changes field.
	(debug_insn_changes_pool): New variable.
	(free_debug_insn_changes, apply_debug_insn_changes,
	cprop_find_used_regs_1, cprop_find_used_regs): New functions.
	(kill_value_one_regno): Call free_debug_insn_changes if needed.
	(init_value_data): Clear debug_insn_changes and n_debug_insn_changes
	fields.
	(replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
	changes for them.
	(copyprop_hardreg_forward_1): Don't call apply_change_group for
	DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
	changes, call cprop_find_used_regs via note_stores.
	(copyprop_hardreg_forward): When copying vd from predecessor
	which has any queued DEBUG_INSN changes, make sure the pointers are
	cleared.  At the end call df_analyze and then if there are any
	DEBUG_INSN changes queued at the end of some basic block for still
	live registers, apply them.
	(pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.

2010-02-25  Uros Bizjak  <ubizjak@gmail.com>

	* config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
	(arm*-*-*): Ditto.

2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
	targets.  Set the default with_cpu/with_arch from arch/cpu.
	Allow x86-64 and native for with_cpu/with_arch.

2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>

	* ebitmap.c: Change calls to verify_popcount with calls to
	sbitmap_verify_popcount.
	(ebitmap_clear_bit): Fixed map->cacheindex test and
	map>cache update when bit clearing results in an empty
	element.

2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/43154
	* config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
	(vec_interleave_high<mode>): Rename from vec_interleave_highv2df
	and support both V2DF and V2DI modes.
	(vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
	support both V2DF and V2DI modes.
	(general): Delete trailing whitespace from a few patterns.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	V2DF/V2DI interleave high/low builtins.

	* config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
	new VSX builtins.

	* config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
	interleave high/low functions.

2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
	#pragma extern_prefix.

2010-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43166
	* cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
	BLKmode, assert op0 is a MEM and just adjust its mode.

	PR debug/43165
	* cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
	if bitpos isn't multiple of mode's bitsize.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c.opt (-ftemplate-depth=): New.
	(-ftemplate-depth-): Deprecate.
	* optc-gen.awk: Handle -ftemplate-depth=.
	* opth-gen.awk: Likewise.
	* c-opts.c (c_common_handle_option): Likewise.
	* doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.

2010-02-24  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi: Improve -Wabi and -fabi-version docs.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* cfg.c (alloc_aux_for_block): Remove inline.
	(alloc_aux_for_edge): Likewise.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
	* config/i386/sol2-gas.h: New file.
	* config.gcc (i[34567]86-*-solaris2*): Use it.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/43128
	* c-typeck.c (ep_convert_and_check): New.
	(build_conditional_expr): Use it.
	(build_binary_op): Likewise.

2010-02-24  Jakub Jelinek  <jakub@redhat.com>

	* regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.

	PR debug/43150
	* gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
	bounds even for -O+.
	* var-tracking.c (track_expr_p): If !need_rtl, don't mandate
	expr needs to have DECL_NAME set.

2010-02-24  Nick Clifton  <nickc@redhat.com>

	* config/mep/mep.c: Include gimple.h.
	(mep_function_uses_sp): Delete unused function.
	(mep_gimplify_va_arg_expr): Change types of pre_p and post_p
	parameters.  Use unsigned integers to count args.  Return a
	NULL_RTX instead of an error_mark_node.  Toidy up formatting.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR target/43107
	* config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
	greater or equal to nelt instead of 2 * nelt.
	(expand_vec_perm_1): When op0 and op1 are equal, mask indexes
	with nelt - 1.

2010-02-23  Jason Merrill  <jason@redhat.com>

	PR debug/42800
	* cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
	in cfun->local_decls even if they have register types.

	PR c++/42837
	* stor-layout.c (place_field): Don't warn about unnecessary
	DECL_PACKED if the type is packed.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR target/43139
	* config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
	GOTOFF relocs, even when the base reg isn't pic pointer.

2010-02-23  Michael Matz  <matz@suse.de>

	PR debug/43077
	* cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
	(expand_gimple_basic_block): Generate and use debug temps if there
	are debug uses left after the last real use of TERed ssa names.
	Unlink debug immediate uses when they are expanded.

2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 43123
	* config/i386/i386.c (override_options): Reorganise to provide
	better error messages.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43083
	* graphite-scop-detection.c (create_single_exit_edge): Move
	the call to find_single_exit_edge to....
	(create_sese_edges): ...here.  Don't handle multiple edges
	exiting the function.
	(build_graphite_scops): Don't handle multiple edges
	exiting the function.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43097
	* sese.c (get_rename): Assert that old_name is an SSA_NAME.
	(rename_variables_in_stmt): Continue when the use is not an SSA_NAME.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43026
	* sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.

2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/43126
	* c-typeck.c (convert_arguments): Print declaration location.
	* c-common.c (validate_nargs): Rename as
	builtin_function_validate_nargs.
	(check_builtin_function_arguments): Update.

2010-02-22  Richard Guenther  <rguenther@suse.de>

	PR lto/43045
	* tree-inline.c (declare_return_variable): Use the type of
	the call stmt lhs if available.

2010-02-22  Duncan Sands  <baldrick@free.fr>

	* passes.c (register_pass): Always consider all pass lists when
	ref_pass_instance_number is zero.

2010-02-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42749
	* tree-tailcall.c (adjust_return_value_with_ops): Drop update
	parameter.  Do arithmetic in the original type.
	(update_accumulator_with_ops): Likewise.
	(adjust_accumulator_values): Adjust.

2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
	(QI to BLKmode splitter): New splitter.

2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (initial_ix86_tune_features): Turn on
	X86_TUNE_INTER_UNIT_MOVES for m_ATOM.

2010-02-22  Richard Guenther  <rguenther@suse.de>

	* tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.

2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>

	Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
	* config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
	($(T)crti.o, $(T)crtn.o): Remove rules.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/35259
	* doc/invoke.texi (-fassociative-math): Document that this
	option is automatically enabled for Fortran.

2010-02-20  David S. Miller  <davem@davemloft.net>

	* configure.ac: Test if linker and assembler properly support
	GOTDATA_OP relocations.
	* configure: Rebuild.
	* config.in: Likewise.
	* config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
	(movsi_lo_sum_pic): Use %gdop_*() relocs if available.
	(movsi_high_pic): Likewise.
	(movdi_lo_sum_pic): Likewise.
	(movdi_high_pic): Likewise.
	(movsi_pic_gotdata_op): New pattern.
	(movdi_pic_gotdata_op): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
	emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.

2010-02-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43067
	* config/i386/sse.md (xop_mulv2div2di3_low): Change type
	attribute to ssemul.
	(xop_mulv2div2di3_high): Ditto.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/35669
	* c.opt (Wconversion-null): New option.
	* doc/invoke.texi (Wconversion-null): Document.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* common.opt (Wlarger-than-): Add Undocumented.

2010-02-19  Mike Stump  <mikestump@comcast.net>

	* config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.

2010-02-19  Jason Merrill  <jason@redhat.com>

	PR target/40332
	* configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
	* configure: Likewise.

2010-02-20  Alan Modra  <amodra@gmail.com>

	PR middle-end/42344
	* cgraph.h (cgraph_make_decl_local): Declare.
	* cgraph.c (cgraph_make_decl_local): New function.
	(cgraph_make_node_local): Use it.
	* cgraphunit.c (cgraph_function_versioning): Likewise.
	* ipa.c (function_and_variable_visibility): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/43121
	* except.c (sjlj_emit_function_enter): Don't call
	add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
	directly.
	* rtl.h (add_reg_br_prob_note): Remove prototype.

2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 41779
	* c-common.c (conversion_warning): Remove widening conversions
	before checking the conversion of integers to reals.

2010-02-19  Mike Stump  <mikestump@comcast.net>

	PR middle-end/43125
	* c-decl.c (merge_decls): Merge DECL_PRESERVE_P.

	PR objc/43061
	* cgraphunit.c (process_function_and_variable_attributes): Check
	DECL_PRESERVE_P instead of looking up attribute "used".
	* ipa-pure-const.c (check_decl): Likewise.
	* ipa-reference.c (has_proper_scope_for_analysis): Likewise.
	* ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
	* config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
	instead of attribute "used".
	* config/sol2-c.c (solaris_pragma_init): Likewise.
	(solaris_pragma_fini): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

	* ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
	Use XCNEW instead of xcalloc.
	(add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
	XNEW instead of xmalloc.
	(get_fields): Use XNEWVEC instead of xmalloc.

	PR debug/43084
	* ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
	populate vars array.
	(create_new_general_access): For debug stmts just reset value.
	(get_stmt_accesses): For accesses within debug stmts just record them
	using add_access_to_acc_sites instead of preventing the peeling or
	counting them as accesses.

	PR middle-end/42233
	* dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.

2010-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42916
	* tree-vect-slp.c (vect_slp_analyze_bb): Count only real
	instructions.

2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>

	* configure.ac: Replace all uses of changequote in macro arguments
	with proper quoting.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/42233
	* loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.

2010-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42944
	* tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
	test for aliasing with errno.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/42233
	* expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
	do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
	* dojump.c: Include output.h.
	(inv): New inline function.
	(jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
	do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
	do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
	do_jump_by_parts_equality, do_compare_and_jump): Add PROB
	argument, pass it down to other calls.
	(do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
	add REG_BR_PROB note to the conditional jump.
	* cfgexpand.c (add_reg_br_prob_note): Removed.
	(expand_gimple_cond): Don't call it, add the probability
	as last argument to jumpif_1/jumpifnot_1.
	* Makefile.in (dojump.o): Depend on output.h.
	* builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
	callers.
	* expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
	* stmt.c (do_jump_if_equal): Likewise.
	* cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
	* loop-unswitch.c (compare_and_jump_seq): Likewise.
	* config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
	Likewise.
	* optabs.c (expand_doubleword_shift, expand_abs): Likewise.
	* expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
	jumpifnot_1 callers.
	(expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
	callers.
	(store_expr): Adjust jumpifnot caller.
	(store_constructor): Adjust jumpif caller.

	PR middle-end/42233
	* gimplify.c (gimple_boolify): For __builtin_expect call
	gimple_boolify also on its first argument.

2010-02-18  Uros Bizjak  <ubizjak@gmail.com>

	* configure.ac (gnu-unique-object): Wrap regexps using [] in
	changequote block.
	(__stack_chk_fail): Ditto.  Remove quadrigraphs.
	* configure: Regenerated.

2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
	lang_hooks.types_compatible_p instead of comptypes.

2010-02-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/lib1funcs.asm (__prefer_thumb__): New define.
	(udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
	if __prefer_thumb__ is defined.

2010-02-18  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/43066
	* tree-sra.c (build_ref_for_offset_1): Return false on encountering an
	array with zero-sized element type.

2010-02-18  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (add_var_loc_to_decl): Change last argument to
	rtx, allocate struct var_loc_node here and return it to the
	caller, and only if it is actually needed.
	(dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
	move it earlier and return immediately if it returns NULL.

2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>

	* config/sparc/gas.h: New file.  Restore
	TARGET_ASM_NAMED_SECTION to its ELF default.
	* config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
	check !HAVE_GNU_AS.
	* config/sparc/sparc.c (sparc_elf_asm_named_section):
	Likewise.  Add ATTRIBUTE_UNUSED to prototype.
	* config.gcc (sparc*-*-linux*): Include sparc/gas.h
	after sparc/sysv4.h.

2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.

2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>

	* gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
	patterns from predicated pattern.

2010-02-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43103
	* config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
	for insn mnemonic suffix.

2010-02-17  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
	to loop PHI nodes.

2010-02-17  Jakub Jelinek  <jakub@redhat.com>

	PR debug/42918
	* caller-save.c (save_call_clobbered_regs): If BB ends with
	a DEBUG_INSN, move any notes in between last real insn and the last
	DEBUG_INSN after the last DEBUG_INSN.

2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>

	* tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
	Fix return type.  Fix argument type.  Explain meaning of return value.

2010-02-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41043
	* tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
	(vrp_visit_assignment_or_call): Do not ask SCEV for regular
	statements ...
	(vrp_visit_phi_node): ... but only for loop PHI nodes.

2010-02-16  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/43074
	* tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
	* tree-vect-loop.c (vect_analyze_loop_operations): Add
	vectorizable cycles in hybrid SLP check.
	* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.

2010-02-16  Richard Guenther  <rguenther@suse.de>

	* alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
	(true_dependence): If memrefs_conflict_p computes must-alias
	trust it.  Move TBAA check after offset-based disambiguation.
	(canon_true_dependence): Likewise.

2010-02-16  Alexandre Oliva  <aoliva@redhat.com>

	* params.def (PARAM_MAX_VARTRACK_SIZE): New.
	* doc/invoke.texi: Document it.
	* var-tracking.c: Include toplev.h and params.h.
	(vt_find_locations): Return bool indicating success.  Compute
	hash sizes unconditionally.  Check new parameter, report.
	(variable_tracking_main_1): Check vt_find_locations results and
	retry.  Renamed from...
	(variable_tracking_main): ... this.  New wrapper to preserve
	flag_var_tracking_assignments.
	* Makefile.in (var-tracking.o): Adjust dependencies.

2010-02-16  Jack Howarth  <howarth@bromo.med.uc.edu>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/42854
	* config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
	if weak_import attribute is present.
	* config/darwin.c (machopic_select_section): Likewise.

2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>

	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
	(TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
	(TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
	(TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.

	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.

	* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
	Fix argument types.

	* doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
	Rewrite text to refer to the names.

2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>

	* config/i386/i386-builtin-types.def
	(V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
	(V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
	(V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
	(V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
	* config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
	IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
	IX86_BUILTIN_VPERMIL2PS256.
	(MULTI_ARG_4_DF2_DI_I): Defined.
	(MULTI_ARG_4_DF2_DI_I1): Defined.
	(MULTI_ARG_4_SF2_SI_I): Defined.
	(MULTI_ARG_4_SF2_SI_I1): Defined.
	(bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
	__builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
	__builtin_ia32_vpermil2ps256.
	(ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
	MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
	MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
	(ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
	MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
	MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
	CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
	CODE_FOR_xop_vpermil2v8sf3.
	* config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
	* config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
	* config/i386/xopintrin.h (_mm_permute2_pd): New.
	(_mm256_permute2_pd): New.
	(_mm_permute2_ps): New.
	(_mm256_permute2_ps): New.

2010-02-15  Nick Clifton  <nickc@redhat.com>

	* config/h8300/h8300.c: (h8300_push_pop): Use bool type for
	boolean parameters.  Use emit_jump_insn when emitting a pop
	instruction containing a return insn.
	(push): Use 'true' rather than '1' as second parameter to F.
	(h8300_expand_prologue): Likewise.
	Use 'true' and 'false' for boolean parameters to h8300_push_pop.
	(h8300_expand_epilogue): Likewise.

2010-02-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/43068
	* cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
	if that is zero.

2010-02-15  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
	delta.

2010-02-14  Marco Poletti  <poletti.marco@gmail.com>

	* intl.c (fake_ngettext): New function.
	* intl.h (fake_ngettext): Declare.
	(ngettext): Define macro.
	* collect2.c (notice_translated): New function.
	(main): Use notice_translated and ngettext.
	* collect2.h (notice_translated): Declare.

2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>

	* reorg.c (delete_computation): Comment fixes.
	* caller-save.c (setup_save_areas): Idem.
	* sel-sched-dump.c (dump_lv_set): Idem.
	* rtl.def: Idem.

2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_sched_init): New function.
	(TARGET_SCHED_INIT): Target hook defined.

2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>
	    Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

	PR target/42982
	Partial revert of unintended change in fix for PR41605.
	* config/darwin.h: Fix typo.
	* config/darwin9.h: Same.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

	* c-pch.c (pch_init): Clear v.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42930
	* graphite-scop-detection.c (graphite_can_represent_scev): Call
	graphite_can_represent_init for MULT_EXPR.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42914
	PR middle-end/42530
	* graphite-sese-to-poly.c (remove_phi): New.
	(translate_scalar_reduction_to_array): Call remove_phi.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42771
	* graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
	* graphite-clast-to-gimple.h (gloog): Update declaration.
	* graphite-poly.c (new_scop): Clear POLY_SCOP_P.
	* graphite-poly.h (struct poly_bb): Add missing comments.
	(struct scop): Add poly_scop_p field.
	(POLY_SCOP_P): New.
	* graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
	* graphite.c (graphite_transform_loops): Build the polyhedral
	representation for each scop before code generation.
	* sese.c (rename_variables_in_operand): Removed.
	(rename_variables_in_expr): Return the renamed expression.
	(rename_sese_parameters): New.
	* sese.h (rename_sese_parameters): Declared.

2010-02-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42998
	* tree-ssa-pre.c (create_expression_by_pieces): Treat
	POINTER_PLUS_EXPR properly.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
	    Changpeng Fang  <changpeng.fang@amd.com>

	PR middle-end/40886
	* tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
	the cost of an IV candidate when the IV is used in a test against zero.

	* gcc.dg/tree-ssa/ivopts-3.c: New.

2010-02-11  Richard Guenther  <rguenther@suse.de>

	PR lto/41664
	* tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
	pointer-vs-decl case by swapping refs.  Handle some cases
	of pointer-vs-decl disambiguations more conservatively.
	* cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
	to false after expanding.

2010-02-11  Richard Guenther  <rguenther@suse.de>

	PR driver/43021
	* gcc.c (process_command): Handle LTO file@offset case more
	appropriately.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

	* reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
	modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
	of DEBUG_INSNs.
	(eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.

	* dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
	if MEM's mode size isn't DWARF2_ADDR_SIZE.
	(mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
	Optimize eq/ne comparisons when both arguments are known to be
	zero-extended.
	(mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
	Don't mask operands unnecessarily if they are known to be already
	zero-extended.

2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
	instead of loop.

2010-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43017
	* tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
	for wrapping signed arithmetic.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR debug/43010
	* dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
	if no debug info should be emitted for it.

2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
	note when flag_exceptions is set.

2010-02-10  Duncan Sands  <baldrick@free.fr>

	* Makefile.in (PLUGIN_HEADERS): Add debug.h.

2010-02-10  Richard Guenther  <rguenther@suse.de>

	PR c/43007
	* tree.c (get_unwidened): Handle constants.
	* convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.

2010-02-10  Martin Jambor  <mjambor@suse.cz>

	PR lto/42985
	* ipa-prop.c (ipa_update_after_lto_read): Count parameters and
	check for variable argument counts independently.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

	PR target/42841
	* config/sh/sh.c (find_barrier): Increase length for non delayed
	conditional branches.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (set_builtin_user_assembler_name): Also handle
	ffs if int is smaller than word.

2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/42973
	* ira-conflicts.c (get_dup): Remove.
	(process_reg_shuffles): Add new parameter.  Use it as an
	additional guard for copy generation.
	(add_insn_allocno_copies): Rewrite.

2010-02-09  Alexander Monakov  <amonakov@ispras.ru>

	* common.opt (fsched2-use-traces): Preserved for backward
	compatibility.
	* doc/invoke.texi: Remove the documentation about option
	-fsched2-use-traces.
	* sched-rgn.c (rest_of_handle_sched2): Remove usage of
	flag_sched2_use_traces.
	* opts.c (common_handle_option): Add OPT_fsched2_use_traces to
	the backward compatibility flag section.

2010-02-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43008
	* tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
	make HEAP variables initialized from global memory if they
	are not known builtin functions.
	(find_func_aliases): Adjust.

2010-02-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43000
	* tree-vrp.c (vrp_int_const_binop): Only handle unsigned
	arithmetic manually.

2010-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/42931
	* tree-loop-linear.c (try_interchange_loops): Don't call
	double_int_mul if estimated_loop_iterations failed.

2010-02-08  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/42898
	* tree-sra.c (build_accesses_from_assign): Do not mark in
	should_scalarize_away_bitmap if stmt has volatile ops.
	(sra_modify_assign): Do not process assigns piecemeal if if stmt
	has volatile ops.

2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>

	* doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.

2010-02-07  Adam Nemet  <adambnmet@gmail.com>

	* config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
	before the pattern.

2010-02-07  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/42946
	* df-core.c (df_finish_pass): Change type of saved_flags to int.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42988
	* graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
	to unknown_dependence.
	(graphite_legal_transform_dr): Handle the unknown_dependence.
	(graphite_carried_dependence_level_k): Same.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

	* ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.

2010-02-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42991
	* expr.c (get_inner_reference): Always initialize *pbitsize.

2010-02-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42956
	* gimplify.c (gimple_fold_indirect_ref): Avoid generating
	new ARRAY_REFs on variable size element or minimal index arrays.
	Complete.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
	gimple_fold_indirect_ref.

2010-02-06  Richard Earnshaw  <rearnsha@arm.com>

	PR target/42957
	* arm.c (arm_override_options): Just return if the user has specified
	an invalid fpu name.

2010-02-03  Jason Merrill  <jason@redhat.com>

	PR c++/42870
	* config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
	i386_pe_maybe_record_exported_symbol.

2010-02-05  Steve Ellcey  <sje@cup.hp.com>

	PR target/42924
	* config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
	(pa_delegitimize_address): New function.

2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>

	* config/i386/msformat-c.c (ms_printf_length_specs): Set the
	scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.

2010-02-05  Richard Guenther  <rguenther@suse.de>

	PR lto/42762
	* lto-streamer-in.c (get_resolution): Deal with references
	to undefined functions.

2010-02-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
	(fold_const_aggregate_ref): Likewise.
	(ccp_fold_stmt): Substitute loads.
	(maybe_fold_reference): Verify types before substituting.
	Unshare properly.
	(fold_gimple_assign): Unshare properly.
	(fold_stmt_1): Insert conversion if necessary before replacing the RHS.

2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_override_options): Invert check
	for rs6000_gen_cell_microcode.

2010-02-04  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/42952
	* dse.c (const_or_frame_p): Remove MEM handling.

2010-02-04  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
	(TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
	(function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
	(mn10300_asm_output_mi_thunk): New function.
	(mn10300_can_output_mu_thunk): New function.
	* config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
	(FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
	(FUNCTION_ARG): Delete incorrect comment.

2010-02-03  Jason Merrill  <jason@redhat.com>

	PR c++/40138
	* fold-const.c (operand_equal_p): Handle erroneous types.

2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

	* config/h8300/h8300.md (can_delay): Fix attibute condition.

2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/42941
	* sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
	of xmalloc.

2010-02-03  Jason Merrill  <jason@redhat.com>

	PR c++/35652
	* builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.

2010-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42896
	* cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
	(cselib_reset_table): Renamed from...
	(cselib_reset_table_with_next_value): ... this.
	(cselib_get_next_uid): Renamed from...
	(cselib_get_next_unknown_value): ... this.
	* cselib.c (next_uid): Renamed from...
	(next_unknown_value): ... this.
	(cselib_clear_table): Adjust.
	(cselib_reset_table): Adjust.  Renamed from...
	(cselib_reset_table_with_next_value): ... this.
	(cselib_get_next_uid): Adjust.  Renamed from...
	(cselib_get_next_unknown_value): ... this.
	(get_value_hash): Use hash.
	(cselib_hash_rtx): Likewise.
	(new_cselib_val): Adjust.  Set and dump uid.
	(cselib_lookup_mem): Pass next_uid as hash.
	(cselib_subst_to_values): Likewise.
	(cselib_log_lookup): Dump uid.
	(cselib_lookup): Pass next_uid as hash.  Adjust.
	(cselib_process_insn): Adjust.
	(cselib_init): Initialize next_uid.
	(cselib_finish): Adjust.
	(dump_cselib_table): Likewise.
	* dse.c (canon_address): Dump value uid.
	* print-rtl.c (print_rtx): Print value uid.
	* var-tracking.c (VARIABLE_HASH_VAL): Dropped.
	(dvuid): New type.
	(dv_uid): New function, sort of renamed from...
	(dv_htab_hash): ... this, reimplemented in terms of it and...
	(dv_uid2hash): ... this.  New.
	(variable_htab_eq): Drop excess assertions.
	(tie_break_pointers): Removed.
	(canon_value_cmp): Compare uids.
	(variable_post_merge_New_vals): Print uids.
	(vt_add_function_parameters): Adjust.
	(vt_initialize): Reset table.  Adjust.

2010-02-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42944
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
	(call_may_clobber_ref_p_1): Likewise.  Properly handle
	malloc and calloc clobbering errno.

2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi: Fix name of sched1 dump.

	* opts.c (decode_options): Set flag_tree_switch_conversion
	only conditionally on optimize >= 2.

	* gcse.c: Assorted comment fixes in pass description.

2010-02-03  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
	nop padding in order to maintain alignment of storage location of
	target function address.
	(moxie_trampoline_init): Store target function address at newly
	aligned location.
	* config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
	to 32.
	(TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.

2010-02-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42927
	* tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.

2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc: Reenable check for obsolete targets.
	Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
	mips-sgi-irix6.[0-4]*.

2010-02-02  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
	constant size of 4 as being the same as 0.
	* doc/invoke.texi (RX Options): Document that -mmax-constant-size
	can take values in the range 0..4.

2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR java/41991
	* unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
	as _darwin10_Unwind_FindEnclosingFunction().
	* libgcc-libsystem.ver: New.

2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/41399
	* sched-deps.c (sched_analyze_insn): Ignore fixed registers for
	implicitly set registers.

2010-02-01  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
	(arm_override_options): Allow automatic selection of the thread
	pointer register if thumb2.
	(legitimize_pic_address): Improve code sequences for Thumb2.
	(arm_call_tls_get_addr): Likewise.
	(legitimize_tls_address): Likewise.
	* arm.md (pic_load_addr_arm): Delete.  Replace with ...
	(pic_load_addr_32bit): ... this.  New named pattern.
	* thumb2.md (pic_load_addr_thumb2): Delete.
	(pic_load_dot_plus_four): Delete.
	(tls_load_dot_plus_four): New named pattern.

2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR libgomp/29986
	* doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
	Document fix for TLS bug.

2010-01-31  Richard Guenther  <rguenther@suse.de>

	* tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
	conservatively correct.

2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/42850
	Revert:
	2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* doc/install.texi: Update recommended GMP/MPFR/MPC versions.

2010-01-31  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc: Adjust order of makefile fragments for mingw targets.

2010-01-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42898
	* gimplify.c (gimplify_init_constructor): For volatile LHS
	initialize a temporary.

2010-01-31  Matthias Klose  <doko@ubuntu.com>

	* configure.ac: Fix __stack_chk_fail check for cross builds configured
	--with-headers
	* configure: Regenerate.

2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
	the same alias set and their sizes different constantness.
	(aliasing_component_refs_p): Revert 2009-10-24 change.

2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
	unused.

2010-01-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
	Assert we successfully updated the call.

2010-01-29  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/42889
	* df.h (df_set_bb_dirty_nonlr): New prototype.
	* df-core.c (df_set_bb_dirty_nonlr): New function.
	* df-scan.c (df_insn_rescan): Call it instead of
	df_set_bb_dirty for DEBUG_INSNs.

2010-01-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/37448
	* ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
	quadratic behavior in most cases.

2010-01-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42891
	* config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
	in the call to gen_x86_movsicc_0_m1.

2010-01-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42871
	* tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.

2010-01-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
	into call arguments.

2010-01-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42883
	* tree-cfgcleanup.c (remove_forwarder_block): Do not remove
	the forwarder if the destination is an EH landing pad.

2010-01-28  Razya Ladelsky  <razya@il.ibm.com>

	* tree-parloops.c (transform_to_exit_first_loop): Update the basic
	block list passed to gimple_duplicate_sese_tail.
	(parallelize_loops): Avoid parallelization when the function
	has_nonlocal_label.
	Avoid parallelization when the preheader is IRREDUCIBLE.
	Try to optimize when estimated_loop_iterations_int is unresolved.
	Add the loop's location to the dump file.
	* tree-cfg.c (add_phi_args_after_redirect): Remove.
	(gimple_duplicate_sese_tail): Remove the check for the latch.
	Redirect nexits to the exit block.
	Remove handling of the incoming edges to the latch.
	Redirect the backedge from the copied latch to the exit bb.

2010-01-28  Michael Matz  <matz@suse.de>

	PR target/42881
	* config/i386/i386.c (ix86_expand_vector_init_duplicate):
	Wrap force_reg into a sequence, emit it before user.

2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>

	* config/arm/arm.md (bswapsi2): Add support for bswapsi2.
	(arm_rev): New.
	(arm_legacy_rev): Likewise.
	(thumb_legacy_rev): Likewise.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (mem_loc_descriptor): Remove special casing of
	CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
	on MEM's address failed, try avoid_constant_pool_reference and
	recurse if it returned something different.
	(loc_descriptor): If for MEM mem_loc_descriptor failed on the
	address, try avoid_constant_pool_reference and recurse if it
	returned something different.
	(dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
	address and avoid_constant_pool_reference returned something
	different, don't set have_address.

2010-01-27  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42861
	* var-tracking.c (val_store): Add modified argument, obey it.
	Adjust callers.
	(count_uses): Move down logging of main.
	(compute_bb_dataflow): Use val_store for MO_VAL_USEs that
	don't need resolution.
	(emit_notes_in_bb): Likewise.

2010-01-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42878
	* tree-inline.c (remap_decl): Delay remapping of SSA name
	default definitions until we need them.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
	(rs6000_delegitimize_address): New function.

	* config/s390/s390.c (s390_delegitimize_address): Call
	delegitimize_mem_from_attrs.

	PR middle-end/42874
	* tree-inline.c (cannot_copy_type_1): Removed.
	(copy_forbidden): Don't forbid copying of functions containing
	records/unions with variable length fields.

2010-01-27  Christian Bruel  <christian.bruel@st.com>

	Revert:
	PR target/42841
	* config/sh/sh.c (find_barrier): Increase length for non delayed
	conditional branches.

2010-01-27  Matthias Klose  <doko@ubuntu.com>

	* configure.ac (gnu-unique-object): Fix ldd version check.
	* configure: Regenerate.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
	HAVE_GNU_AS value.
	* config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
	Test for HAVE_GNU_AS value.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
	* config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
	INT64_TYPE): Define.
	(UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
	(INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
	INT_LEAST64_TYPE): Define.
	(UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
	UINT_LEAST64_TYPE): Define.
	(INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
	INT_FAST64_TYPE): Define.
	(UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
	UINT_FAST64_TYPE): Define.
	(INTMAX_TYPE, UINTMAX_TYPE): Define.
	(INTPTR_TYPE, UINTPTR_TYPE): Define.
	(SIG_ATOMIC_TYPE): Define.

2010-01-26  Richard Guenther  <rguenther@suse.de>

	* df-scan.c (df_scan_set_bb_info): Remove assert.
	(df_insn_rescan_debug_internal): Merge asserts.
	(df_install_ref): Likewise.
	(df_mark_reg): Use bitmap_set_range.
	(df_hard_reg_used_p): Remove assert.
	(df_hard_reg_used_count): Likewise.

2010-01-26  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/42685
	* web.c (web_main): Ignore DEBUG_INSNs.

2010-01-26  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.

	(TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
	Fix types of fndecl and arglist parameters.

2010-01-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42806
	* tree-eh.c (unsplit_eh): Skip debug insns.

2010-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42250
	* ipa-type-escape.c (type_escape_execute): Do not analyze clones.

2010-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/42866
	* omp-low.c (expand_omp_sections): Only use single_pred if
	l2_bb is single_pred_p.

2010-01-25  Christian Bruel  <christian.bruel@st.com>

	PR target/42841
	* config/sh/sh.c (find_barrier): Increase length for non delayed
	conditional branches.
	(sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.

2010-01-24  David S. Miller  <davem@davemloft.net>

	* config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
	define if not using GAS.
	* config/sparc/sparc.c (sparc_elf_asm_named_section):
	Likewise.  Delete SECTION_MERGE code, which is only applicable
	when using GAS.

2010-01-24  Mark Mitchell  <mark@codesourcery.com>

	PR c++/42748
	* config/arm/arm.c (arm_mangle_type): Do not warn about changes to
	mangling of va_list in system headers.

2010-01-23  Toon Moene  <toon@moene.org>

	* tree-predcom.c (combine_chains): Return NULL, not false.

2010-01-23  Joern Rennecke  <amylaar@spamcop.net>

	* tree-loop-distribution.c (distribute_loop): Fix declaration and
	initialization of variable res to agree with return type.

2010-01-22  Steve Ellcey  <sje@cup.hp.com>

	* Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
	* tree-sra.c: Add include of expr.h.

2010-01-22  Jakub Jelinek  <jakub@redhat.com>

	* tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
	insert the debug stmt on the single non-EH edge from the stmt.

2010-01-22  Richard Henderson  <rth@redhat.com>

	PR tree-opt/42833
	* tree-sra.c (sra_modify_assign): Delay re-gimplification of
	the RHS until after generate_subtree_copies has insertted its
	code before the current statement.

2010-01-22  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.

	* gcc-plugin.h (plugin_init): Use "C" likage for c++.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42585
	* tree-sra.c (struct access): New field grp_total_scalarization.
	(dump_access): Dump the new field.
	(should_scalarize_away_bitmap): New variable.
	(cannot_scalarize_away_bitmap): Likewise.
	(sra_initialize): Allocate new bitmaps.
	(sra_deinitialize): Free new bitmaps.
	(create_access_1): New function.
	(create_access): Parts moved to create_access_1.
	(type_consists_of_records_p): New function.
	(completely_scalarize_record): Likewise.
	(build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
	(build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
	(sort_and_splice_var_accesses): Hint groups with a total_scalarization
	access.
	(analyze_all_variable_accesses): Completely scalarize small eligible
	records.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.

2010-01-21  Andrew Haley  <aph@redhat.com>

	* gcc.c (process_command): Move lang_specific_driver before
	setting cc_libexec_prefix.

2010-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/19988
	* fold-const.c (negate_expr_p): Pretend only negative
	real constants are easily negatable.

2010-01-20  Janis Johnson  <janis187@us.ibm.com>
	    Jason Merrill  <jason@redhat.com>

	* tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
	(TYPE_TRANSPARENT_AGGR): this, for union and record.
	* calls.c (initialize argument_information): Handle it.
	* c-common.c (handle_transparent_union_attribute): Use new name.
	* c-decl.c (finish_struct): Ditto.
	* c-typeck.c (type_lists_compatible_p): Ditto.
	(convert_for_assignment): Use new name and also handle record.
	* function.c (aggregate_value_p): Handle it.
	(pass_by_reference): Ditto.
	(assign_parm_data_types): Ditto.
	* print-tree.c (print_node): Ditto.
	* lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
	* lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
	* tree.c (first_field): New fn.

2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/42818
	* config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
	even when linking statically, for now.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42715
	* var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
	without a cselib val.
	(count_uses): Accept MO_VAL_SET with no val on stores.
	(add_stores): Likewise.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (check_value_val): Add a compile time assertion.
	(dv_is_decl_p): Simplify.
	(dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
	gcc_assert if ENABLE_CHECKING.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42782
	* var-tracking.c: Include tree-flow.h.
	(mem_dies_at_call): New.
	(dataflow_set_preserve_mem_locs): Use it.
	(dataflow_set_remove_mem_locs): Likewise.
	(dump_var): Renamed from dump_variable.  Adjust all callers.
	(dump_var_slot): Renamed from dump_variable_slot.  Likewise.
	* Makefile.in (var-tracking.o): Adjust deps.

2010-01-20  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.

2010-01-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42717
	* tree-ssa-dce.c (get_live_post_dom): Remove.
	(forward_edge_to_pdom): Take an arbitrary edge to copy
	degenerate PHI args from.
	(remove_dead_stmt): Use the first post-dominator even if it
	does not contain live statements as redirection destination.

2010-01-20  Richard Guenther  <rguenther@suse.de>

	* tree-inline.c (estimate_num_insns): Handle EH builtins.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

	* sel-sched.c (create_speculation_check): Remove set but not used
	variable twin.
	(try_transformation_cache): Remove set but not used variable ds.
	(calculate_privileged_insns): Remove set but not used variables
	cur_insn and min_spec_insn.
	(find_best_expr): Remove set but not used variable avail_n.
	* tree-predcom.c (base_names_in_chain_on): Remove set but not used
	variable e.
	* cgraphunit.c (assemble_thunk): Remove set but not used variable
	false_label.
	* haifa-sched.c (remove_notes): Remove set but not used variable prev.
	* graphite-clast-to-gimple.c (gloog): Remove set but not used variable
	new_scop_exit_edge.

2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>

	PR bootstrap/42786
	* config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
	cpu types.  Add support for *-sse3 cpu types.
	(x86_64-*-*): Ditto.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/42803
	* varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
	argument, call initializer_constant_valid_p_1 instead of
	initializer_constant_valid_p, pass CACHE to it, return NULL
	immediately if first call returns NULL.
	(initializer_constant_valid_p_1): New function.
	(initializer_constant_valid_p): Use it.

2010-01-20  Thomas Quinot  <quinot@adacore.com>

	* tree.def (PLACEHOLDER_EXPR): Fix comment.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
	of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
	(loc_list_from_tree): Don't handle unsigned division.  Handle
	signed modulo using DW_OP_{over,over,div,mul,minus}.
	* unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
	modulo instead of signed.

2010-01-20  DJ Delorie  <dj@redhat.com>

	* config/h8300/h8300.c (F): Add "in_epilogue" flag.
	(Fpa): Pass it
	(h8300_emit_stack_adjustment): Propogate it.
	(push): Pass it.
	(h8300_expand_prologue): Likewise.
	(h8300_expand_epilogue): Likewise.

2010-01-19  Michael Matz  <matz@suse.de>

	PR tree-optimization/41783
	* tree-data-ref.c (toplevel): Include flags.h.
	(dump_data_dependence_relation):  Also dump the inputs if the
	result will be unknown.
	(split_constant_offset_1): Look through some conversions.
	* tree-predcom.c (determine_roots_comp): Restart a new chain if
	the offset from last element is too large.
	(ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
	(reassociate_to_the_same_stmt): Handle vector registers.
	* tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
	(e.g. conversions).
	* tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
	wide_prolog_niters argument, emit widening instructions.
	(vect_do_peeling_for_alignment): Adjust caller, use widened
	variant of the iteration cound.
	* Makefile.in (tree-data-ref.o): Add $(FLAGS_H).

2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/38697
	* config/arm/neon-testgen.m (emit_automatics): New parameter
	features. Adjust for Fixed_return_reg feature.
	(test_intrinsic): Call emit_automatics with new feature.
	* config/arm/neon.ml: Update copyright years.
	(features): New Fixed_return_reg feature.
	(ops): Update feature for Vget_low.

2010-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/42719
	* tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
	stmt uses.

	PR debug/42728
	* fwprop.c (all_uses_available_at): Return false if def_set dest
	is a REG that is used in def_insn.

2010-01-19  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.

	(TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
	Add argument names.

	(TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.

	* target.h (struct gcc_target) <secondary_reload>: Change type
	of last argument to secondary_reload_info *.

2010-01-18  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42774
	* config/alpha/predicates.md (aligned_memory_operand): Return 0 for
	memory references with unaligned offsets.  Remove CQImode handling.
	(unaligned_memory_operand): Return 1 for memory references with
	unaligned offsets.  Remove CQImode handling.

2010-01-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39954
	* cfgexpand.c (expand_call_stmt): TER pointer arguments in
	builtin calls.

2010-01-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42781
	* tree-ssa-structalias.c (find_what_var_points_to): Skip
	restrict processing only if the original variable was artificial.

2010-01-18  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
	find number of popped argument bytes.

	(TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
	Fix the text that describes the return value for invalid insns.

	(TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.

	(TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
	Clarify what 'cost of the -dependence' is.  Fix quoting.

	* toplev.c (default_get_pch_validity): Rename argument to "sz".
	* doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.

2010-01-17  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (mem_loc_descriptor): Don't ICE on
	{S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.

2010-01-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42248
	* function.c (split_complex_args): Take a VEC to modify.
	(assign_parms_augmented_arg_list): Build a VEC instead of
	a chain of PARM_DECLs.
	(assign_parms_unsplit_complex): Take a VEC of arguments.
	Do not fixup unmodified parms.
	(assign_parms): Deal with the VEC.
	(gimplify_parameters): Likewise.

2010-01-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
	node existence check.
	* tree-vect-loop.c (vect_analyze_loop_form): Likewise.
	* tree-cfgcleanup.c (merge_phi_nodes): Likewise.
	* tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
	* tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
	(gimple_execute_on_growing_pred): Likewise.

2010-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42773
	* tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
	(compute_antic_aux): Likewise.
	(compute_partial_antic_aux): Likewise.

2010-01-17  Jie Zhang  <jie.zhang@analog.com>

	PR debug/42767
	* dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
	and US_TRUNCATE.

2010-01-17  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
	appearance.

	(TARGET_LEGITIMATE_ADDRESS_P): Add return type.
	Fix markup for strict argument.

	(TARGET_SCHED_REORDER2): Fix argument types.

	(TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
	(TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.

	(TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
	(TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.

	(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
	Add argument name.

	(TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
	(TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
	(TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
	(TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
	(TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.

	(TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.

	(TARGET_SCHED_GEN_SPEC_CHECK): Fix name.

	(TARGET_ASM_RELOC_RW_MASK): Add return type.
	(TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.

	(TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.

	(TARGET_ASM_FILE_START): Put @findex before paragraph start.
	Use prototype.

	(TARGET_ASM_NAMED_SECTION): Fix argument list.

	(TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
	(TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.

	(TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.

	(TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.

	(TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
	referring to it.  Fix language.

	(TARGET_HAVE_CTORS_DTORS): Use @deftypevr.

	(TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.

	(TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.

	(TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.

	(TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
	'@var{stream}.  Remove stray 'and'.

	(TARGET_ARM_EABI_UNWINDER): Use @deftypevr.

	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.

	(TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.

	(TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
	misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.

	(TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
	Fix description of return value.
	Rename argument "sz" to "len."

	(TARGET_CXX_GUARD_MASK_BIT): Add missing article.
	Clarify meaning of 'true' return value.

	(TARGET_SHIFT_TRUNCATION_MASK): Fix return type.

	(TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
	rep_mode versus mode_rep.

	(TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.

	(TARGET_BUILTIN_DECL): Fix name.

	(TARGET_COMMUTATIVE_P): Fix type of first argument.

	(TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.

	(TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.

	(TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.

	(TARGET_RELAXED_ORDERING): Use @deftypevr.

	(TARGET_GET_DRAP_RTX): Note that this is a hook.
	Clarify language.

	(TARGET_BUILTIN_RECIPROCAL): Fix argument types.
	Rename argument tm_fn to md_fn.

	(TARGET_OPTION_PRINT): Fix argument list.

2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>

	PR target/42664
	* config/i386/i386.c (ix86_fixup_binary_operands):
	Revert FMA4 fixup of operands.

2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR gcc/42525
	* Makefile.in (write_entries_to_file, install-plugin):
	Use \012 instead of \n with tr.

2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* configure.ac (HAVE_AS_REF): New C macro.
	* configure: Regenerate.
	* config.in: Likewise.
	* collect2.c (main): Only postpone SCAN_DWEH to the second pass
	if HAVE_AS_REF.
	* config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
	if HAVE_AS_REF.

2010-01-16  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.

	(TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.

	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.

	(TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.

	(TARGET_IN_SMALL_DATA_P): Fix argument type.

	(TARGET_BINDS_LOCAL_P): Fix argument type.

	(TARGET_ASM_FILE_END): Use prototype.

	(TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.

	(TARGET_DWARF_CALLING_CONVENTION): Fix argument type.

	(TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.

	(TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.

	(TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
	(TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.

	(TARGET_PCH_VALID_P): Put 'const char *' in braces.
	(TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.

	(TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
	(TARGET_ADDR_SPACE_SUBSET_P): Likewise.
	(TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
	(TARGET_ADDR_SPACE_CONVERT): Likewise.

	(TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.

	(TARGET_MACHINE_DEPENDENT_REORG: Use prototype.

	(TARGET_INIT_BUILTINS): Use prototype.

	(TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
	Put 'const char *' in braces.  Fix parameter types.
	(TARGET_INVALID_CONVERSION): Fix parameter types.
	(TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
	(TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.

	(TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
	Fix argument type.

	(TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.

	(TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.

2010-01-15  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi (TARGET_HELP): Fix return type.

	(TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
	in braces.  Fix argument types.

	(TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.

	(TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.

	(TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.

	(TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
	(TARGET_FIXED_POINT_SUPPORTED_P): Likewise.

	(TARGET_MANGLE_TYPE): Fix argument types.

	(TARGET_IRA_COVER_CLASSES): Use prototype.

	(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.

	(TARGET_CAN_ELIMINATE): Use identifiers for argument names.

	(TARGET_PROMOTE_PROTOTYPES): Fix argument type.

	(TARGET_MUST_PASS_IN_STACK): Fix argument type.

	(TARGET_CALLEE_COPIES): Fix argument types.

	(TARGET_SPLIT_COMPLEX_ARG): Fix argument type.

	(TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.

	(TARGET_FUNCTION_VALUE): Fix argument types.

	(TARGET_RETURN_IN_MSB): Fix argument type.

	(TARGET_RETURN_IN_MEMORY): Fix argument types.

	(TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.

	(TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.

	(TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
	agree with return type.

	(TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.

2010-01-15  Jing Yu  <jingyu@google.com>

	PR rtl-optimization/42691
	* combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
	a pseudo to a constant and are merged, and adjust comments.

2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.

2010-01-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42739
	* tree-cfgcleanup.c (remove_forwarder_block): Move destination
	labels of computed or non-local gotos to the destination.
	* tree-cfg.c (gimple_verify_flow_info): Verify that a EH
	landing pad label is the first label.

2010-01-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.

2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/42747
	* config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
	to allow generation of the xssqrtdp instruction on power7.
	(sqrtdf2_fpr): Ditto.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/42674
	* c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
	functions with noreturn attribute.

	PR c++/42608
	* varasm.c (declare_weak): Add weak attribute to decl if it
	doesn't have one already.
	(assemble_external): Only add decls to weak_decls if they also
	have weak attribute.

2010-01-14  Alexandre Oliva  <aoliva@redhat.com>

	* var-tracking.c (var_reg_delete): Don't delete the association
	between REGs and values or one-part variables if the register
	isn't clobbered.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR debug/42657
	* tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
	because its first operand is a non-localized variable.

2010-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42706
	* tree-sra.c (encountered_recursive_call): New variable.
	(encountered_unchangable_recursive_call): Likewise.
	(sra_initialize): Initialize both new variables.
	(callsite_has_enough_arguments_p): New function.
	(scan_function): Call decl and flags check only for IPA-SRA, check
	whether there is a recursive call and whether it has enough arguments.
	(all_callers_have_enough_arguments_p): New function.
	(convert_callers): Look for recursive calls only when
	encountered_recursive_call is set.
	(ipa_early_sra): Bail out either if
	!all_callers_have_enough_arguments_p or
	encountered_unchangable_recursive_call.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c: Add 2010 to copyright years.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.

2010-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42714
	* tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
	constructors specially.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (detect_caches_intel):
	Add l2sizekb parameter and fill in.
	(host_detect_local_cpu): Add l2sizekb, fill in.
	Add Atom small cache heuristic.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (detect_caches_cpuid4):
	Add level3 parameter and fill in.
	(detect_caches_intel): Handle level3 cache.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (host_detect_local_cpu):
	Fix core duo detection.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

	* config/i386/drivers-i386.c (host_detect_local_cpu):
	Fix Atom detection.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
	(rs6000_variable_issue_1): this.  Use...
	(rs6000_variable_issue): here.  Reimplement.  Print debug info.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched-ir.c (sel_restore_other_notes): Rename to
	sel_restore_notes.  Update all callers.  Call reemit_notes
	for all insns.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/42246
	* sel-sched-ir.h (get_all_loop_exits): Include exits from inner
	loops.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

	* sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
	all successors is the same as number of successors in current region.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
	to rename is not separable.  Otherwise check that its LHS is not NULL.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched.c (mark_unavailable_hard_regs): Do not try to search
	available registers when failed to discover LHS register class.
	Fix indentation.  Update comment.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/42389
	* sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
	to can_issue_more.
	(advance_state_on_fence): Likewise.
	(sel_target_adjust_priority): Print debug output only when
	sched_verbose >= 4, not 2.
	(get_expr_cost): Do not issue all unique insns on the next cycle.
	(fill_insns): Initialize can_issue_more from the value saved
	with the fence.
	* sel-sched-ir.c (flist_add): New parameter issue_more.
	Init FENCE_ISSUE_MORE with it.
	(merge_fences): Likewise.
	(init_fences): Update call to flist_add.
	(add_to_fences, add_clean_fence_to_fences)
	(add_dirty_fence_to_fences): Likewise.
	(move_fence_to_fences): Update call to merge_fences.
	(invoke_reorder_hooks): Do not reset can_issue_more on insns from
	sched groups.
	* sel-sched-ir.h (struct _fence): New field issue_more.
	(FENCE_ISSUE_MORE): New accessor macro.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/42388
	* sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
	that have no predecessors nor successors.  Do not call move_bb_info
	for empty blocks outside of current region.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/42294
	* sel-sched-ir.h (struct _sel_insn_data): Update comment.
	* sel-sched.c (move_exprs_to_boundary): Transitively add all
	originators' originators.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

	PR rtl-optimization/39453
	PR rtl-optimization/42246
	* sel-sched-ir.c (considered_for_pipelining_p): Do not test
	for pipelining_p.
	(sel_add_loop_preheaders): Add preheader to last_added_blocks.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/42245
	* sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
	(maybe_tidy_empty_bb): ... here.  Make static.  Add new
	argument.  Update all callers.
	(tidy_control_flow): ... and here.  Recompute topological order
	of basic blocks in region if necessary.
	(sel_redirect_edge_and_branch): Change return type.  Return true
	if topological order might have been invalidated.
	(purge_empty_blocks): Export and move from...
	* sel-sched.c (purge_empty_blocks): ... here.
	* sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
	(maybe_tidy_empty_bb): Delete prototype.
	(purge_empty_blocks): Declare.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/42249
	* sel-sched.c (try_replace_dest_reg): When chosen register
	and original register is the same, do not bail out early, but
	still check all original insns for validity of replacing destination
	register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
	in this case.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR c/42721
	Port from no-undefined-overflow branch:
	2009-03-09  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (add_double_with_sign): Fix unsigned overflow detection.

2010-01-14  Richard Guenther  <rguenther@suse.de>

	PR lto/42665
	* gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.

2010-01-14  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/42709
	* tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
	as scalar type in creation of constant vector operand.

2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR testsuite/42414
	* Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
	(check-parallel-%): Match `testsuite' directory component only
	at the end.

2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>

	PR translation/39521
	* gcc.c (do_spec_1): Wrapped the error and notice messages of specs
	strings with _().

2010-01-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42730
	* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
	offset zero.

2010-01-13  Steve Ellcey  <sje@cup.hp.com>

	PR target/pr42542
	* config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
	for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
	them signed.

2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/libgcc-bfin.ver: Regenerate based on current
	libgcc-std.ver.  Add entries for ___smulsi3_highpart and
	___umulsi3_highpart.

	* config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
	rather than schedule_insns if the pass is enabled.

2010-01-13  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42704
	* tree-sra.c (sra_modify_assign): Do not delete assignments to
	SSA_NAMEs.

2010-01-13  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42703
	* tree-sra.c (analyze_access_subtree): Check that we can build a
	reference to the original data within the aggregate.

2010-01-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42705
	* tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.

2010-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42716
	* fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.

2010-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41371
	* var-tracking.c (values_to_unmark): New variable.
	(find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
	values_to_unmark vector.  Moved body to...
	(find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
	instead queue it into values_to_unmark vector.
	(vt_find_locations): Free values_to_unmark vector.

2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.c (override_options): Set
	default of max-pending-list-length to 256

2010-01-13  Richard Guenther  <rguenther@suse.de>

	PR lto/42678
	* tree-pass.h (PROP_gimple_lcx): New.
	* cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
	* passes.c (init_optimization_passes): Move pass_lower_complex_O0
	before the final cleanup_eh.
	(dump_properties): Dump PROP_gimple_lcx.
	* tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
	(tree_lower_complex_O0): Remove.
	(gate_no_optimization): Run if PROP_gimple_lcx is not set.
	(pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
	tree_lower_complex, schedule TODO_update_ssa.
	* lto-streamer-out.c (output_function): Stream the functions
	properties.
	* lto-streamer-in.c (input_function): Likewise.
	(lto_read_body): Do not override them here.

2010-01-12  Joseph Myers  <joseph@codesourcery.com>

	PR c/42708
	* c-typeck.c (build_c_cast): Fold value cast to union type before
	wrapping it in a CONSTRUCTOR.

2010-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/42699
	* cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
	involved.

2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
	SUBTARGET_WARN_UNUSED_SPEC): Move ...
	config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
	SUBTARGET_WARN_UNUSED_SPEC): ... here
	* config/mips/iris5.h (LIBGCC_SPEC): Define.

2010-01-12  Julian Brown  <julian@codesourcery.com>

	* config/arm/neon-schedgen.ml (Utils): Don't try to
	open missing module.
	(find_with_result): New.

2010-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR debug/42662
	* simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
	sharing when canonicalizing ({lt,ge}u (plus a b) b).

	PR tree-optimization/42645
	* tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
	(remap_ssa_name): If processing_debug_stmt and name wasn't found in
	decl_map, set processing_debug_stmt to -1 and return name without
	any remapping.

2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>

	* doc/install.texi (Specific#x-x-cygwin): Document minimum required
	binutils version, and reword target configuration description.

2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>

	* config/avr/avr.h (LINKER_NAME): Remove.

2010-01-11  Janis Johnson  <janis187@us.ibm.com>

	PR target/42416
	* config/rs6000/rs6000.c (rs6000_override_options): On targets
	that support VSX, warn for -mno-altivec if vsx is not disabled,
	and disable vsx.

2010-01-11  Joseph Myers  <joseph@codesourcery.com>
	    Shujing Zhao  <pearly.zhao@oracle.com>

	PR translation/42469
	* common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
	fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
	character between option name and help text.
	* c.opt (imultilib): Likewise.

2010-01-10  Rafael Avila de Espindola  <espindola@google.com>

	* lto-streamer-out.c (output_unreferenced_globals): Output static
	variables.

2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/42621
	* bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
	optimizing for size.
	(duplicate_computed_gotos): Remove now-redundant check.

2010-01-10  Steve Ellcey  <sje@cup.hp.com>

	PR target/37454
	* configure.ac: Save and restore LDFLAGS and LIBS
	* configure: Regenerate.

2010-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42667
	* builtins.c (fold_builtin_strlen): Add type argument and
	convert the resulting length to it.
	(fold_builtin_1): Adjust.

2010-01-09  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
	sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
	1 insn.
	(num_insns_constant_wide): Adjust for that change.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42631
	* web.c (union_defs): Add used argument, to combine uses of
	uninitialized regs.
	(entry_register): Adjust type and tests of used argument.
	(web_main): Widen used for new use.  Pass it to union_defs.
	* df.h (union_defs): Adjust prototype.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42630
	* loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
	uses in new incoming argument.  Free body.
	(reset_debug_uses_in_loop): New.
	(analyze_insn_to_expand_var): Call the latter if the former found
	anything.  Fix whitespace.  Reject invalid dest overlaps before
	going through all insns in the loop.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42629
	* haifa-sched.c (dying_use_p): Debug insns don't count.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	PR middle-end/42363
	* gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
	* tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
	(verify_gimple_call): Reject LHS in noreturn calls.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/42604
	PR debug/42395
	* tree-vect-loop-manip.c (adjust_info): New type.
	(adjust_vec): New pointer to vector.
	(adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
	(adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
	(slpeel_update_phis_for_duplicate_loop): Use them.
	(slpeel_update_phi_nodes_for_guard1): Likewise.
	(slpeel_update_phi_nodes_for_guard2): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_update_ivs_after_vectorizer): Likewise.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
	(DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
	bogus uninitialized warning.

2010-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42512
	* tree-scalar-evolution.c (interpret_loop_phi): Make sure
	the evolution is compatible with the initial condition.

2010-01-09  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.

2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>

	PR target/41885
	* config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
	(rotlhi3): Delete.
	(rotlhi3_8): Delete.
	(rotlsi3): Delete.
	(rotlsi3_8): Delete.
	(rotlsi3_16): Delete.
	(rotlsi3_24): Delete.
	(rotl<mode>3): New.
	(*rotw<mode>3): New.
	(*rotb<mode>3): New.
	* config/avr/avr.c (avr_rotate_bytes): New function.
	* config/avr/avr-proto.h (avr_rotate_bytes): New function.

2010-01-08  Steve Ellcey  <sje@cup.hp.com>

	PR target/37454
	* configure.ac: Modify -rdynamic check.
	* configure: Regenerate.

2010-01-08  DJ Delorie  <dj@redhat.com>

	* config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
	register popping order.

2010-01-08  Richard Guenther  <rguenther@suse.de>

	PR lto/42528
	* c.opt (fsigned-char): Also let LTO handle this option.
	(funsigned-char): Likewise.

2010-01-07  Richard Guenther  <rguenther@suse.de>

	* gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
	(gimple_op): Likewise.
	(gimple_op_ptr): Likewise.
	(gimple_assign_set_lhs): Remove gcc_assert.
	(gimple_assign_set_rhs1): Likewise.
	(gimple_assign_set_rhs2): Likewise.
	(gimple_call_set_lhs): Likewise.
	(gimple_call_set_fn): Likewise.
	(gimple_call_set_fndecl): Likewise.
	(gimple_call_fndecl): Likewise.
	(gimple_call_return_type): Likewise.
	(gimple_call_set_chain): Likewise.
	(gimple_call_num_args): Likewise.
	(gimple_call_set_arg): Likewise.
	(gimple_cond_set_code): Likewise.
	(gimple_cond_set_lhs): Likewise.
	(gimple_cond_set_rhs): Likewise.
	(gimple_cond_set_true_label): Likewise.
	(gimple_cond_set_false_label): Likewise.
	(gimple_label_set_label): Likewise.
	(gimple_goto_set_dest): Likewise.
	(gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
	(gimple_debug_bind_get_value): Likewise.
	(gimple_debug_bind_get_value_ptr): Likewise.
	(gimple_debug_bind_set_var): Likewise.
	(gimple_debug_bind_set_value): Likewise.
	(gimple_debug_bind_reset_value): Likewise.
	(gimple_debug_bind_has_value_p): Likewise.
	(gimple_return_retval_ptr): Remove gcc_assert.
	(gimple_return_retval): Likewise.
	(gimple_return_set_retval): Likewise.
	* tree-flow.h (struct gimple_df): Remove nonlocal_all member.
	(safe_referenced_var_iterator): Remove.
	(FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
	* tree-flow-inline.h (gimple_nonlocal_all): Remove.
	(fill_referenced_var_vec): Remove.
	(first_readonly_imm_use): Remove redundant gcc_assert.
	(phi_arg_index_from_use): Combine gcc_asserts.
	(move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
	(first_imm_use_stmt): Remove redundant gcc_assert.
	* tree-cfg.c (verify_gimple_call): Verify function and chain
	operands.  Verify arguments.
	(verify_types_in_gimple_stmt): Verify condition code and labels.

2010-01-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42641
	* sese.c (rename_map_elt_info): Use the SSA name version, do
	not hash pointers.

2010-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/42625
	* cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
	TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.

2010-01-07  Duncan Sands  <baldrick@free.fr>

	* Makefile.in (PLUGIN_HEADERS): Add version.h.

2010-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42511
	* ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
	note itself is not function_invariant_p.

2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
	Do not add the DF_NOTE problem.
	* store-motion.c (execute_rtl_store_motion): Likewise.

2010-01-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42157
	* tree-sra.c (compare_access_positions): Stabilize sort if both
	accesses have integer types, return zero immediately if they are the
	same.

2010-01-06  Richard Henderson  <rth@redhat.com>

	PR middle-end/41883
	* haifa-sched.c (add_to_note_list): Merge into ...
	(concat_note_lists): ... here, and ...
	(unlink_other_notes, rm_other_notes): Merge into...
	(remove_notes): ... here.  Create REG_SAVE_NOTEs for
	NOTE_INSN_EPILOGUE_BEG.

2010-01-06  Richard Guenther  <rguenther@suse.de>

	* ipa-inline.c (cgraph_decide_inlining_incrementally): Do
	not inline regular functions into always-inline functions.

2010-01-06  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (enum rx_cpu_type): Add RX200.
	(CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
	used together.
	(OVERRIDE_OPTIONS): Delete.
	(OPTIMIZATION_OPTIONS): Define.
	(ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
	* config/rx/rx.c (rx_handle_option): Issue an error message if
	-mcpu=rx200 and -fpu are used together.
	(rx_set_optimization_options): New function.  Issue an error
	message if an optimization attribute attempts to reset the FPU/
	math optimization pairing.
	* config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
	* config/rx/rx.opt: Set the default to 32-bit doubles.
	* config/rx/t-rx: Add multilibs for -nofpu option.
	* doc/invoke.texi: Update documentation of RX options.

2010-01-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (name_to_id): New global.
	(alloc_expression_id): Simplify SSA name handling.
	(lookup_expression_id): Likewise.
	(init_pre): Zero name_to_id.
	(fini_pre): Free it.

2010-01-06  Uros Bizjak  <ubizjak@gmail.com>

	* ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.

2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/sse.md (smaxv2di3): New.
	(umaxv2di3): Likewise.
	(sminv2di3): Likewise.
	(uminv2di3): Likewise.

2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/42564
	* config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
	* config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	(sparc_tls_referenced_p): Likewise.
	* config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
	and adjust calls to legitimize_pic_address.
	(legitimate_constant_p) Use sparc_tls_referenced_p.
	(legitimate_pic_operand_p): Likewise.
	(sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
	(sparc_tls_symbol_ref_1): Delete.
	(sparc_tls_referenced_p): Make static, recognize specific patterns.
	(legitimize_tls_address): Make static, handle CONST patterns.
	(legitimize_pic_address): Make static, remove unused parameter and
	adjust recursive calls.
	(sparc_legitimize_address): Make static, use sparc_tls_referenced_p
	and adjust call to legitimize_pic_address.
	(sparc_output_mi_thunk): Likewise.

2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
	for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
	operands to make them signed.

	Revert:
	2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Don't convert
	GTU to GT for V4SI and V2DI.

	* config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
	(umin<mode>3): Removed.
	(uminv8hi3): New.
	(uminv4si3): Likewise.

2010-01-05  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42462
	* ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
	current_function_decl to helper functions and macros.

2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/41771
	* flags.h: Don't include real.h.
	(HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
	HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
	* real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
	HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
	* dominance.c: Update copyright.
	* gimple.c (walk_gimple_op): Remove inline.
	* tree-ssa-reassoc.c: Include real.h.
	* Makefile.in (FLAGS_H): Remove $(REAL_H).
	(tree-ssa-reassoc.o): Depend on $(REAL_H).

2010-01-05  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
	register to push into the stack frame when the accumulator has to
	be saved during interrupts.

2010-01-05  Eric Fisher  <joefoxreal@gmail.com>

	* doc/invoke.texi: Remove the documentation about option
	-Wunreachable-code.
	* common.opt (Wunreachable-code):  Preserved for backward
	compatibility.
	* tree-cfg.c: Remove the implementation of -Wunreachable-code.
	* opts.c (common_handle_option): Add OPT_Wunreachable_code to
	the backward compatibility flag section.

2010-01-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.

2010-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR other/42611
	* cfgexpand.c (expand_one_var): Diagnose too large variables.

	PR tree-optimization/42508
	* tree-sra.c (convert_callers): Check for recursive call
	by comparing cgraph nodes instead of decls.
	(modify_function): Call ipa_modify_formal_parameters also
	on all same_body aliases.

	* cgraphunit.c (cgraph_materialize_all_clones): Compare
	cgraph nodes when checking for same_body aliases.

2010-01-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
	allocation and lookup.
	(get_or_alloc_expr_for_constant): Likewise.
	(phi_translate): Sink allocation.

2010-01-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
	a new entry only if needed.
	* tree-ssa-dom.c (lookup_avail_expr): Likewise.
	* tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
	hashtable lookup.
	* tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
	the result array.
	(phi_translate): Handle CONSTANTs early.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42398
	* tree-sra.c (struct access): Removed flag grp_different_types.
	(dump_access): Do not dump the removed flag.
	(sort_and_splice_var_accesses): Do not set the removed flag.
	(sra_modify_expr): Check for type compatibility directly.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42366
	* ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
	edges with variable number of parameters.
	* ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
	flag instead of asserting it.
	(ipa_read_node_info): Read uses_analysis_done flag.

2010-01-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
	iterative_hash_* as intended.
	(vn_reference_compute_hash): Likewise.  Simplify hashing
	SSA names.
	(vn_reference_lookup_2): Likewise.
	(vn_nary_op_compute_hash): Likewise.
	(vn_phi_compute_hash): Likewise.
	(expressions_equal_p): Remove strange code.
	* tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
	(pre_expr_hash): Likewise.  Simplify hashing SSA names.
	(bitmap_insert_into_set_1): Take value-id as parameter.
	(add_to_value): Pass it.
	(bitmap_insert_into_set): Likewise.
	(bitmap_value_insert_into_set): Likewise.  Remove redundant check.

2010-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR driver/42442
	* gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
	(do_self_spec): For switches with SWITCH_IGNORE set set also
	SWITCH_IGNORE_PERMANENTLY.
	(check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
	of SWITCH_IGNORE.

2010-01-04  Rafael Avila de Espindola  <espindola@google.com>

	* lto-streamer-out.c (output_unreferenced_globals): Output the full
	tree of an unreferenced global var.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Don't convert
	GTU to GT for V4SI and V2DI.

	* config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
	(umin<mode>3): Removed.
	(uminv8hi3): New.
	(uminv4si3): Likewise.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42581
	* collect2.c (main): Turn on trace in collect2 if -v is passed
	to gcc with LTO.

2010-01-03  Jerry Quinn  <jlquinn@optonline.net>

	* doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
	description of expression operand.

2010-01-03  Andrew Jenner  <andrew@codesourcery.com>

	* configure.ac: Add install-html to target_list for Make-hooks.
	* configure: Regenerate.
	* fortran/Make-lang.in (F95_HTMLFILES): New.
	(fortran.html): Use it.
	(fortran.install-html): New.
	* Makefile.in (install-html): Add lang.install-html.
	* java/Make-lang.in (JAVA_HTMLFILES): New.
	(java.html): Use it.
	(java.install-html): New.
	* objc/Make-lang.in (objc.install-html): New.
	* objcp/Make-lang.in (obj-c++.install-html): New.
	* cp/Make-lang.in (c++.install-html): New.
	* ada/gcc-interface/Make-lang.in (ada.install-html): New.
	* lto/Make-lang.in (lto.install-html): New.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42520
	* gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.

2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/41862
	* store-motion.c (store_killed_in_insn, compute_store_table,
	remove_reachable_equiv_notes, replace_store_insn,
	build_store_vectors): Ignore all DEBUG_INSNs.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/41564
	* common.opt: Add dumpdir.

	* gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
	isn't specified.
	(option_map): Add --dumpdir.

	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.

	* lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.

	* opts.c (decode_options): Try dump_dir_name first if
	dump_base_name isn't an absolute path.
	(common_handle_option): Handle OPT_dumpdir.

	* toplev.c (dump_dir_name): New.
	(print_switch_values): Also ignore -dumpdir.

	* toplev.h (dump_dir_name): New.

2010-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42589
	* tree-ssa-math-opts.c (execute_optimize_bswap): Allow
	double-word expansion of bswap32.

2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>

	* postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
	with BLOCK_FOR_INSN.
	* auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
	* ifcvt.c (noce_get_alt_condition, noce_try_abs,
	noce_process_if_block): Likewise.
	* gcse.c (compute_local_properties, insert_expr_in_table,
	insert_set_in_table, canon_list_insert, find_avail_set,
	pre_insert_copy_insn): Likewise.

	* basic-block.h (BLOCK_NUM): Move from here...
	* sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.

2010-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42438
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add
	contains_may_not_return_call flag.
	(BB_MAY_NOTRETURN): New.
	(valid_in_sets): Trapping nary operations are not valid
	in blocks that may not return.
	(insert_into_preds_of_block): Remove check for trapping expressions.
	(compute_avail): Compute also BB_MAY_NOTRETURN.

2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi: Add 2010 to copyright years.

2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c: Fix formatting nits.

2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
	    Alexander Monakov  <amonakov@ispras.ru>

	* doc/invoke.texi (Optimize Options): Reword introduction a bit.

2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42577
	* tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
	(simplify_switch_using_ranges): Mark to be removed edges
	as non-executable.

2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

	* collect2.c (scan_libraries): Add missing argument in call to
	scan_prog_file.

2010-01-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42448
	* config/alpha/predicates.md (aligned_memory_operand): Return false
	for CQImode.
	(unaligned_memory_operand): Return true for CQImode.
	* config/alpha/alpha.c (get_aligned_mem): Assert that location
	doesn not cross aligned SImode word boundary.

2010-01-02  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
	Remove.
	* config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
	avr_change_section, avr_reg_class_from_letter) : Remove declaration.

2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR lto/41597
	* toplev.c (compile_file): Emit LTO marker properly.  Change
	it to __gnu_lto_v1.
	* collect2.c (scan_prog_file): Adjust for changed LTO marker.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR debug/42455
	* tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR c/42570
	* c-decl.c (grokdeclarator): For zero-size arrays force
	structural equality checks as layout_type does.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* builtins.c: Update copyright to 2010.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42531
	* lto-streamer-out.c (produce_asm): Revert the last change.
	(copy_function): Likewise.

	* lto-streamer.c (lto_get_section_name): Skip any leading
	asterisk in name.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42559
	* builtins.c (get_object_alignment): Do not use DECL_ALIGN
	for LABEL_DECLs.


Copyright (C) 2010 Free Software Foundation, Inc.

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