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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2007-06-10 22:39:22 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-06-10 20:39:22 +0000 |
| commit | 79f5e442625680fbd5c12517419e990609bb2810 (patch) | |
| tree | aa6fde364b39cc3fab0e7d98faf468b947ade3d2 /gcc/optabs.h | |
| parent | 6bdff197e6b8397129441e85a53fbb3c738c3d57 (diff) | |
| download | gcc-79f5e442625680fbd5c12517419e990609bb2810.zip gcc-79f5e442625680fbd5c12517419e990609bb2810.tar.gz gcc-79f5e442625680fbd5c12517419e990609bb2810.tar.bz2 | |
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
Diffstat (limited to 'gcc/optabs.h')
| -rw-r--r-- | gcc/optabs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h index 4fe7785..c344b65 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -151,6 +151,8 @@ enum optab_index OTI_movstrict, /* Move, with a misaligned memory. */ OTI_movmisalign, + /* Nontemporal store. */ + OTI_storent, /* Unary operations */ /* Negation */ @@ -367,6 +369,7 @@ extern GTY(()) optab optab_table[OTI_MAX]; #define mov_optab (optab_table[OTI_mov]) #define movstrict_optab (optab_table[OTI_movstrict]) #define movmisalign_optab (optab_table[OTI_movmisalign]) +#define storent_optab (optab_table[OTI_storent]) #define neg_optab (optab_table[OTI_neg]) #define negv_optab (optab_table[OTI_negv]) |