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Author SHA1 Message Date
Paolo Bonzini 04c3028a09 configure.ac: Fix earlier checkin. 
2007-06-14  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Fix earlier checkin.
	* configure: Regenerated.

From-SVN: r125711
 2007-06-14 06:27:32 -07:00
H.J. Lu 77a1416d57 configure.ac: Fix a typo in --enable-checking=. 
2007-06-14  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac: Fix a typo in --enable-checking=.
	* configure: Regenerated.

From-SVN: r125705
 2007-06-14 05:44:43 -07:00
Paolo Bonzini 3bbd5a19eb acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove. 
gcc:
2007-06-14  Paolo Bonzini  <bonzini@gnu.org>

        * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
        * aclocal.m4: Regenerate.
        * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
        ACX_PROG_CC_WARNINGS_ARE_ERRORS,
        ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
	* configure: Regenerate.
        * Makefile.in (LOOSE_WARN): Subst loose_warn.

        * Makefile.in (quickstrap): Build libgcc too.

libiberty:
2007-06-14  Paolo Bonzini  <bonzini@gnu.org>

        * aclocal.m4: Include config/warnings.m4.
        * configure.ac: Use ACX_PROG_CC_WARNING_OPTS.
	* configure: Regenerate.

config:
2007-06-14  Paolo Bonzini  <bonzini@gnu.org>

        * acx.m4 (ACX_CHECK_PROG_VER): Remove duplicate lines.

From-SVN: r125700
 2007-06-14 08:10:41 +00:00
Paolo Bonzini ab28cc38fd svn missed the changelog for previous rev... 
From-SVN: r125699
 2007-06-14 07:54:21 +00:00
Bob Wilson 20dca97bbd xtensa.c (xtensa_expand_nonlocal_goto): Use validate_replace_rtx instead of replace_rtx. 
* config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
        validate_replace_rtx instead of replace_rtx.
        (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.

From-SVN: r125697
 2007-06-14 04:49:42 +00:00
Danny Smith 76f5e2005d config.host (*-cygwin* |*-mingw* ): Add crtbegin.o, crtend.o to extra_parts. 
ChangeLog/libgcc

2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>

	* config.host(*-cygwin* |*-mingw* ): Add crtbegin.o, crtend.o to
	extra_parts. Add config/i386/t-cygming to tmake_file. 
	* config/i386/t-cygming: New file with rules for crtbegin.o, crtend.o.


ChangeLog/gcc

2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
	(DWARF2_UNWIND_INFO): Override default if configured with
	SJLJ EH disabled.
	* config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
	(ENDFILE_SPEC): Add crtend.o.
	* config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
	(ENDFILE_SPEC): Add crtend.o.
	(TARGET_USE_JCR_SECTION): Define.
	(MD_UNWIND_SUPPORT): Define for 32-bit target.

	* config/i386/cygming-crtbegin.c: New file.
	* config/i386/cygming-crtend.c: New file.

2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>

	* config/i386/w32-unwind.h: New file.

From-SVN: r125696
 2007-06-14 02:38:37 +00:00
Eric Christopher ab47d43e01 darwin.h (PREFERRED_STACK_BOUNDARY): Don't let the user set a value below STACK_BOUNDARY. 
2007-06-13  Eric Christopher  <echristo@apple.com>

	    * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
	    the user set a value below STACK_BOUNDARY.

From-SVN: r125695
 2007-06-14 01:53:17 +00:00
Thiemo Seufer b64a6dbdbb linux.h, linux64.h (LIB_SPEC): Always imply -lpthread for -pthread. 
* config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
	imply -lpthread for -pthread.

From-SVN: r125688
 2007-06-13 23:22:29 +00:00
Kazu Hirata 9c57e1e889 tree-ssa-pre.c (mergephitemp): Remove. 
* tree-ssa-pre.c (mergephitemp): Remove.
	(init_pre): Don't use mergephitemp.

From-SVN: r125687
 2007-06-13 23:12:46 +00:00
Kazu Hirata efd7122b03 basic-block.h: Remove the prototype for free_basic_block_vars. 
* basic-block.h: Remove the prototype for
	free_basic_block_vars.
	* cfglayout.h: Remove the prototype for
	insn_locators_initialize.
	* tree.h: Remove the prototype for emit_line_note.

From-SVN: r125686
 2007-06-13 22:57:14 +00:00
Eric Christopher b26f6ed7b9 i386.c (override_options): If we've specified an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs. 
2007-06-13  Eric Christopher  <echristo@apple.com>

        * config/i386/i386.c (override_options): If we've specified
        an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.

From-SVN: r125685
 2007-06-13 22:06:15 +00:00
Bob Wilson 29dc9e2011 df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM is defined. 
* df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
        is defined.

From-SVN: r125682
 2007-06-13 18:27:50 +00:00
Bernd Schmidt 1ca950caf9 bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem. 
* config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
	* config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
	(eh_store_handler): New pattern.
	(eh_return): Emit it instead of a plain move.

From-SVN: r125681
 2007-06-13 17:41:07 +00:00
Uros Bizjak 8d3641040c i386.c (ix86_init_mmx_sse_builtins): Define usign def_builtin. 
* config/i386/i386.c (ix86_init_mmx_sse_builtins)
        [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
        [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
        def_builtin_const.

From-SVN: r125680
 2007-06-13 17:48:51 +02:00
Bernd Schmidt 44017a45a0 bfin.c (gen_one_bundle): Delete unused local variables. 
* config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
	(find_next_insn_start, find_load): New functions.
	(bfin_reorg): Use them to deal with the fact that parallel insns are
	no longer represented as a SEQUENCE.

From-SVN: r125677
 2007-06-13 14:21:31 +00:00
Eric Botcazou 06063fa227 sparc.c (sparc_override_options): Initialize fpu mask correctly. 
* config/sparc/sparc.c (sparc_override_options): Initialize
	fpu mask correctly.

From-SVN: r125674
 2007-06-13 13:58:31 +00:00
Dave Korn eaf7f7e727 i386.c (ix86_eax_live_at_start_p): Use df_get_live_out. 
2007-06-13  Dave Korn  <dave.korn@artimi.com>

	* config/i386/i386.c (ix86_eax_live_at_start_p): Use
	df_get_live_out.

From-SVN: r125673
 2007-06-13 10:21:50 +00:00
Kazu Hirata 0d52bcc19e auto-inc-dec.c, [...]: Fix comment typos. 
* auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
	config/sh/divcost-analysis, dbgcnt.def, df-core.c,
	df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
	tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
	tree-vect-transform.c: Fix comment typos.  Follow spelling
	conventions.

From-SVN: r125666
 2007-06-13 02:27:04 +00:00
Seongbae Park b718216c5a df-scan.c (df_get_exit-block_use_set): Always add the stack pointer to the exit block use set. 
2007-06-12 Seongbae Park <seongbae.park@gmail.com>

       * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
       to the exit block use set.
       * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
       * config/sparc/sparc.c (sparc_check_64): Check df != NULL.

From-SVN: r125658
 2007-06-12 21:28:16 +00:00
Seongbae Park 0a090f42f6 opts.c (common_handle_option): Handle new option -fdbg-cnt-list. 
2007-06-12  Seongbae Park  <seongbae.park@gmail.com>

	* opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
	* dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
	to indicate an error.
	(dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
	(dbg_cnt_process_opt): Print an error on a bad argument.
	* dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
	* common.opt (-fdbg-cnt-list): New.
	* doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.

From-SVN: r125657
 2007-06-12 20:47:16 +00:00
Eric Botcazou 773a786120 tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything flag on ref-all pointers. 
* tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
	flag on ref-all pointers.

From-SVN: r125656
 2007-06-12 20:25:23 +00:00
Andrew Pinski 4543943ad4 re PR middle-end/31579 (ICE when compiling attached code) 
2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/31579
        * expr.c (expand_expr_addr_expr_1): Call expand_expr
        for the offset with the modifier as EXPAND_INITIALIZER
        if the modifier is EXPAND_INITIALIZER.
        (expand_expr_real_1 <case INTEGER_CST>): Don't force to
        a register if we had an overflow.

2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/31579
         * g++.dg/torture/pr31579.C: New testcase.

From-SVN: r125655
 2007-06-12 12:15:50 -07:00
Kaveh R. Ghazi 4c8c70e06a real.c (real_isfinite): New. 
* real.c (real_isfinite): New.
	(real_sqrt): Use it.
	* real.h (real_isfinite): New.
	* builtins.c: Use it.

From-SVN: r125654
 2007-06-12 18:36:05 +00:00
Ian Lance Taylor 058dcc25b7 re PR libstdc++/29286 (placement new does not change the dynamic type as it should) 
./:	PR libstdc++/29286
	* tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
	* tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
	(CHANGE_DYNAMIC_TYPE_LOCATION): Define.
	(DECL_NO_TBAA_P): Define.
	(struct tree_decl_common): Add no_tbaa_flag field.
	* tree-ssa-structalias.c (struct variable_info): Add
	no_tbaa_pruning field.
	(new_var_info): Initialize no_tbaa_pruning field.
	(unify_nodes): Copy no_tbaa_pruning field.
	(find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
	(dump_solution_for_var): Print no_tbaa_pruning flag.
	(set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
	callers.
	(compute_tbaa_pruning): New static function.
	(compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
	Call compute_tbaa_pruning.
	* tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
	* gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* tree-gimple.c (is_gimple_stmt): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	(copy_result_decl_to_var): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
	* omp-low.c (omp_copy_decl_2): Likewise.
	* print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
	* doc/c-tree.texi (Expression trees): Document
	CHANGE_DYNAMIC_TYPE_EXPR.
cp/:
	PR libstdc++/29286
	* init.c (avoid_placement_new_aliasing): New static function.
	(build_new_1): Call it.
testsuite/:
	PR libstdc++/29286
	* g++.dg/init/new16.C: New test.
	* g++.dg/init/new17.C: New test.
	* g++.dg/init/new18.C: New test.
	* g++.dg/init/new19.C: New test.

Co-Authored-By: Daniel Berlin <dberlin@dberlin.org>

From-SVN: r125653
 2007-06-12 17:47:37 +00:00
Kaveh R. Ghazi 52a39a4c5d fold-const.c (fold_binary): Guard (X-X) -> 0 transformation with !HONOR_NANS and !HONOR_INFINITIES. 
* fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
	with !HONOR_NANS and !HONOR_INFINITIES.
	* simplify-rtx.c (simplify_binary_operation_1): Likewise.

From-SVN: r125652
 2007-06-12 16:28:01 +00:00
Dirk Mueller fc78ca2b3e reorder changelog entries 
From-SVN: r125650
 2007-06-12 15:44:55 +00:00
Tristan Gingold 1a9075e289 gcov.c: Comments updated. 
* gcov.c: Comments updated.
	(source_info): Add file_time field.
	(source_index): New variable.
	(mutiple_files): New variable.
	(generate_results): New function extracted from process_file.
	(process_file): Save and restore chain of functions, generate
	results and free structures only if not merging results.
	(release_structures): File names are now freed in create_file_names
	(create_file_names): Free previous file names.
	(find_source): File date is now read here and modifications in
	source files is checked here.
	(read_graph_file): Only reverse order of functions for the current
	object file.
	(make_gcov_file_name): Do not generate long names if input_name is
	NULL.
	(output_lines): If merging results do not display graph, data and 
	runs informations.
	Checking source file modification is done in find_source.

	* doc/gcov.texi: Append an s to sourcefile.

From-SVN: r125649
 2007-06-12 15:39:15 +00:00
Bernd Schmidt b18e284e3c bfin.md (UNSPEC_NOP): New constant. 
* config/bfin/bfin.md (UNSPEC_NOP): New constant.
	(forced_nop): New pattern.
	* config/bfin/bfin.c: Include "df.h".
	(add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
	(bfin_discover_loop): Use df_get_live_in instead of
	global_live_at_start.
	(bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
	df_analyze when done.
	(gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
	the insns.  Use QImode for the final insn in a bundle.  Call
	df_insn_rescan on generated NOPs; use gen_forced_nop instead of
	gen_nop.
	(reorder_var_tracking_notes): New function.
	(bfin_reorg): Pass no argument to split_all_insns.  Don't call
	update_life_info.  Call df_analyze after scheduling and bundle
	generation.  Call reorder_var_tracking_notes if generating these notes.
	Call df_finish_pass at the end.

From-SVN: r125648
 2007-06-12 14:35:13 +00:00
Dirk Mueller 8c8fa92702 trans-stmt.c (gfc_trans_call): fix gcc_assert to a comparison, not an assignment. 
2007-06-07  Dirk Mueller  <dmueller@suse.de>

        * trans-stmt.c (gfc_trans_call): fix gcc_assert to
        a comparison, not an assignment.

        * optabls.c (debug_optab_libfuncs): fix gcc_assert to
        a comparison, not an assignment.

From-SVN: r125647
 2007-06-12 14:28:34 +00:00
Olivier Hainque 0e1a6f292f tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR. 
* tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
	Request walking the subtrees only, leaving the current is_lhs/val_only
	untouched.
	(convert_non_local_reference): Likewise.

	testsuite/
	* gnat.dg/lhs_view_convert.adb: New test.

From-SVN: r125646
 2007-06-12 13:32:27 +00:00
Nathan Sidwell beff418056 * config/m68k/m68k-devices.def (52221, 52223, 5253): New. 
From-SVN: r125645
 2007-06-12 12:28:45 +00:00
Richard Guenther 18d0801470 re PR tree-optimization/15353 ([tree-ssa] Merge two "if"s if one subsumes the other.) 
2007-06-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/15353
	PR tree-optimization/31657
	* passes.c (init_optimization_passes): Add pass_tree_ifcombine.
	* timevar.def: Add TV_TREE_IFCOMBINE.
	* tree-pass.h (pass_tree_ifcombine): Declare.
	* tree-ssa-ifcombine.c: New file.
	* tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
	* tree-flow.h (blocks_in_phiopt_order): Declare.
	* Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
	(tree-ssa-ifcombine.o): New dependencies.

	* gcc.c-torture/execute/20070424-1.c: New testcase.
	* gcc.dg/tree-ssa/ssa-ifcombine-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ifcombine-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ifcombine-3.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ifcombine-4.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ifcombine-5.c: Likewise.

From-SVN: r125644
 2007-06-12 12:06:19 +00:00
Uros Bizjak 7f482dfebf re PR rtl-optimization/32293 (internal compiler error: in do_SUBST, at combine.c:502) 
PR rtl-optimization/32293
	* combine.c (simplify_if_then_else): Truncate return from
	nonzero_bits() to correct mode.

testsuite/ChangeLog:
	
	PR rtl-optimization/32293
	* gcc.dg/pr32293.c: New test.

From-SVN: r125643
 2007-06-12 12:31:04 +02:00
Uros Bizjak 9883e373fc fold-const (fold_binary): Also optimize a/cbrt(b/c) into a*cbrt(c/b) if flag_unsafe_math_optimizations is set. 
* fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
	into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.

testuite/ChangeLog:

	* gcc.dg/builtins-11.c: Also check folding of a/cbrt(b/c).

From-SVN: r125641
 2007-06-12 09:19:36 +02:00
Diego Novillo 16b4cb481c Makefile.in (reload1.o-warn): Remove. 
* Makefile.in (reload1.o-warn): Remove.

From-SVN: r125636
 2007-06-11 22:30:36 -04:00
Seongbae Park 46cc214143 combine.c (subst): Use reg_overlap_mentioned_p instead of comparing register numbers directly. 
2007-06-11  Seongbae Park <seongbae.park@gmail.com>

	* combine.c (subst): Use reg_overlap_mentioned_p
	instead of comparing register numbers directly.

From-SVN: r125634
 2007-06-12 01:11:03 +00:00
Kenneth Zadeck b0384c544e reload1.c (mark_home_live_1): Use the mode parameter. 
2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	* reload1.c (mark_home_live_1): Use the mode parameter.

From-SVN: r125627
 2007-06-11 22:03:01 +00:00
Kenneth Zadeck 0a41f3b2c8 df-scan.c (df_insn_delete, [...]): Fixed spelling of word "deferred". 
2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
	df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
	word "deferred".
	* df-core.c: Ditto.

From-SVN: r125625
 2007-06-11 18:22:49 +00:00
Daniel Berlin 6fb5fa3cbc Merge dataflow branch into mainline 
From-SVN: r125624
 2007-06-11 18:02:15 +00:00
Uros Bizjak a91d32a4a6 i386.md ("*movtf_internal): Penalize moves to and from integer registers. 
* config/i386/i386.md ("*movtf_internal): Penalize moves to and
        from integer registers.
        (FP mode splitters): Handle TFmode.

From-SVN: r125623
 2007-06-11 18:06:19 +02:00
Eric Botcazou 73fd4ad6cd tree-ssa-structalias.c (find_what_p_points_to): Return false for ref-all pointers that point-to anything. 
* tree-ssa-structalias.c (find_what_p_points_to): Return false
	for ref-all pointers that point-to anything.

From-SVN: r125620
 2007-06-11 15:40:52 +00:00
Joseph Myers afcc986d03 arm.c (arm_output_dwarf_dtprel, [...]): New. 
* config/arm/arm.c (arm_output_dwarf_dtprel,
	TARGET_ASM_OUTPUT_DWARF_DTPREL): New.

From-SVN: r125619
 2007-06-11 15:55:06 +01:00
Bernd Schmidt 0ea80eb62c bfin.md (movdi_insn, [...]): Don't allow constant to memory moves. 
* config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
	movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
	to memory moves.

From-SVN: r125617
 2007-06-11 11:29:00 +00:00
Rafael Espindola b0464c8897 remove signed(_or_unsigned)?_type langhooks 
From-SVN: r125616
 2007-06-11 10:23:11 +00:00
Uros Bizjak 69c553ef2a re PR target/32280 (_mm_srli_si128, heinous code for some shifts) 
PR target/32280
	* config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
	* config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.

testsuite/ChangeLog:
	
	PR target/32280
	* gcc.target/i386/pr32280.c: New test.

From-SVN: r125615
 2007-06-11 12:13:00 +02:00
Uros Bizjak f1da2df1e9 re PR middle-end/32279 (Fold 1.0/sqrt(x/y) to sqrt(y/x)) 
PR middle-end/32279
	* fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
	into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.

testsuite/ChangeLog:

	PR middle-end/32279
	* gcc.dg/builtins-11.c: Also check folding of a/sqrt(b/c).

From-SVN: r125614
 2007-06-11 11:09:24 +02:00
Jan Sjodin 51c0074eed lambda-code.c (remove_iv): New. 
* lambda-code.c (remove_iv): New.
	(lambda_loopnest_to_gcc_loopnest): Use remove_iv.


Co-Authored-By: Sebastian Pop <sebpop@gmail.com>

From-SVN: r125605
 2007-06-10 21:00:59 +00:00
Zdenek Dvorak 79f5e44262 tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL. 
* tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
	* tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
	* tree-ssa-loop-prefetch.c: Include optabs.h.
	(FENCE_FOLLOWING_MOVNT): New macro.
	(struct mem_ref): Add independent_p and storent_p fields.
	(record_ref): Initalize the new fields.
	(gather_memory_references_ref): Return true if the reference
	could be analysed.
	(gather_memory_references): Check whether all memory accesses
	in loop were recorded.
	(should_issue_prefetch_p): Return false for nontemporal stores.
	(nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
	may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
	(determine_loop_nest_reuse): Detect independent memory references.
	(loop_prefetch_arrays): Call mark_nontemporal_stores.
	* tree-flow.h (mark_virtual_ops_for_renaming): Declare.
	* Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
	* config/i386/i386.h (x86_mfence): Declare.
	(FENCE_FOLLOWING_MOVNT): Return x86_mfence.
	* config/i386/i386.c (x86_mfence): New variable.
	(ix86_init_mmx_sse_builtins): Initialize x86_mfence.

	* tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
	* optabs.c (init_optabs): Initialize storent_optab.
	* optabs.h (enum optab_index): Add OTI_storent.
	(storent_optab): Declare.
	* genopinit.c (optabs): Add initialization for storent_optab.
	* tree.h (MOVE_NONTEMPORAL): New macro.
	* expr.c (expand_assignment, store_expr, store_constructor_field,
	store_constructor, store_field, expand_expr_real_1): Propagate
	nontemporality of the expanded store.
	(emit_storent_insn): New function.
	* expr.h (expand_assignment, store_expr): Declaration changed.
	* function.c (assign_parm_setup_reg): Pass false as nontemporality
	to expand_assignment.
	* stmt.c (expand_asm_expr): Ditto.
	* calls.c (initialize_argument_information): Pass false as
	nontemporality to store_expr.
	* config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
	storentsi): New.

	* gcc.dg/tree-ssa/prefetch-7.c: New test.

From-SVN: r125604
 2007-06-10 20:39:22 +00:00
Daniel Berlin 6bdff197e6 tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd parameter, use it. 
2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
	parameter, use it.
	(find_what_p_points_to): Pass new parameter to set_uids_in_ptset.

From-SVN: r125603
 2007-06-10 20:21:48 +00:00
Daniel Berlin 55edccf416 tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b, and allow DECL_P here. 
2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
	and allow DECL_P here.

From-SVN: r125601
 2007-06-10 14:13:18 +00:00