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| author | Jakub Jelinek <jakub@redhat.com> | 2011-11-07 16:59:07 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-11-07 16:59:07 +0100 |
| commit | aec7ae7deaef9d52541da07c387066ad6ceb3d87 (patch) | |
| tree | f56ca4ced37752007fdc3ce936daa06795357ad2 /gcc/doc/tm.texi | |
| parent | 571b34b25eec4909165272e2d5a7084866ddaf96 (diff) | |
| download | gcc-aec7ae7deaef9d52541da07c387066ad6ceb3d87.zip gcc-aec7ae7deaef9d52541da07c387066ad6ceb3d87.tar.gz gcc-aec7ae7deaef9d52541da07c387066ad6ceb3d87.tar.bz2 | |
re PR tree-optimization/50789 (Gather vectorization)
PR tree-optimization/50789
* tree-vect-stmts.c (process_use): Add force argument, avoid
exist_non_indexing_operands_for_use_p check if true.
(vect_mark_stmts_to_be_vectorized): Adjust callers. Handle
STMT_VINFO_GATHER_P.
(gen_perm_mask): New function.
(perm_mask_for_reverse): Use it.
(reverse_vec_element): Rename to...
(permute_vec_elements): ... this. Add Y and MASK_VEC arguments,
generalize for any permutations.
(vectorizable_load): Adjust caller. Handle STMT_VINFO_GATHER_P.
* target.def (TARGET_VECTORIZE_BUILTIN_GATHER): New hook.
* doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_GATHER): Document it.
* doc/tm.texi: Regenerate.
* tree-data-ref.c (initialize_data_dependence_relation,
compute_self_dependence): No longer static.
* tree-data-ref.h (initialize_data_dependence_relation,
compute_self_dependence): New prototypes.
* tree-vect-data-refs.c (vect_check_gather): New function.
(vect_analyze_data_refs): Detect possible gather load data
refs.
* tree-vectorizer.h (struct _stmt_vec_info): Add gather_p field.
(STMT_VINFO_GATHER_P): Define.
(vect_check_gather): New prototype.
* config/i386/i386-builtin-types.def: Add types for alternate
gather builtins.
* config/i386/sse.md (AVXMODE48P_DI): Remove.
(VEC_GATHER_MODE): Rename mode_attr to...
(VEC_GATHER_IDXSI): ... this.
(VEC_GATHER_IDXDI, VEC_GATHER_SRCDI): New mode_attrs.
(avx2_gathersi<mode>, *avx2_gathersi<mode>): Use <VEC_GATHER_IDXSI>
instead of <VEC_GATHER_MODE>.
(avx2_gatherdi<mode>): Use <VEC_GATHER_IDXDI> instead of
<<AVXMODE48P_DI> and <VEC_GATHER_SRCDI> instead of VEC_GATHER_MODE
on src and mask operands.
(*avx2_gatherdi<mode>): Likewise. Use VEC_GATHER_MODE iterator
instead of AVXMODE48P_DI.
(avx2_gatherdi<mode>256, *avx2_gatherdi<mode>256): Removed.
* config/i386/i386.c (enum ix86_builtins): Add
IX86_BUILTIN_GATHERALTSIV4DF, IX86_BUILTIN_GATHERALTDIV8SF,
IX86_BUILTIN_GATHERALTSIV4DI and IX86_BUILTIN_GATHERALTDIV8SI.
(ix86_init_mmx_sse_builtins): Create those builtins.
(ix86_expand_builtin): Handle those builtins and adjust expansions
of other gather builtins.
(ix86_vectorize_builtin_gather): New function.
(TARGET_VECTORIZE_BUILTIN_GATHER): Define.
* gcc.target/i386/avx2-gather-1.c: New test.
* gcc.target/i386/avx2-gather-2.c: New test.
* gcc.target/i386/avx2-gather-3.c: New test.
* gcc.target/i386/avx2-gather-4.c: New test.
From-SVN: r181089
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 422f74c..fed7702 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -5758,6 +5758,14 @@ mode returned by @code{TARGET_VECTORIZE_PREFERRED_SIMD_MODE}. The default is zero which means to not iterate over other vector sizes. @end deftypefn +@deftypefn {Target Hook} tree TARGET_VECTORIZE_BUILTIN_GATHER (const_tree @var{mem_vectype}, const_tree @var{index_type}, int @var{scale}) +Target builtin that implements vector gather operation. @var{mem_vectype} +is the vector type of the load and @var{index_type} is scalar type of +the index, scaled by @var{scale}. +The default is @code{NULL_TREE} which means to not vectorize gather +loads. +@end deftypefn + @node Anchored Addresses @section Anchored Addresses @cindex anchored addresses |