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| author | Uros Bizjak <ubizjak@gmail.com> | 2011-05-09 22:51:19 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2011-05-09 22:51:19 +0200 |
| commit | fca132b919af8aea928f672ac58c0370c8a38f79 (patch) | |
| tree | 1f3a9f148313a866e3e9e437e2daea9832527961 /gcc | |
| parent | 754af126c04251c045d99b808915d9fde11de8a5 (diff) | |
| download | gcc-fca132b919af8aea928f672ac58c0370c8a38f79.zip gcc-fca132b919af8aea928f672ac58c0370c8a38f79.tar.gz gcc-fca132b919af8aea928f672ac58c0370c8a38f79.tar.bz2 | |
i386.c (ix86_autovectorize_vector_sizes): Return 0 for !flag_prefer_avx128.
* config/i386/i386.c (ix86_autovectorize_vector_sizes): Return 0
for !flag_prefer_avx128.
(ix86_preferred_simd_mode): Return word_mode for DFmode without SSE2.
From-SVN: r173591
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 44 |
2 files changed, 31 insertions, 19 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3a94b94..7a60980 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-05-09 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_autovectorize_vector_sizes): Return 0 + for !flag_prefer_avx128. + (ix86_preferred_simd_mode): Return word_mode for DFmode without SSE2. + 2011-05-09 Eric Botcazou <ebotcazou@adacore.com> * fold-const.c (fold_range_test): Pass LOC to build_range_check. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 7b0afb1..afba1a7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -35118,32 +35118,38 @@ has_dispatch (rtx insn, int action) static enum machine_mode ix86_preferred_simd_mode (enum machine_mode mode) { - /* Disable double precision vectorizer if needed. */ - if (mode == DFmode && !TARGET_VECTORIZE_DOUBLE) - return word_mode; - - if (!TARGET_AVX && !TARGET_SSE) + if (!TARGET_SSE) return word_mode; switch (mode) { - case SFmode: - return (TARGET_AVX && !flag_prefer_avx128) ? V8SFmode : V4SFmode; - case DFmode: - return (TARGET_AVX && !flag_prefer_avx128) ? V4DFmode : V2DFmode; - case DImode: - return V2DImode; - case SImode: - return V4SImode; - case HImode: - return V8HImode; case QImode: return V16QImode; + case HImode: + return V8HImode; + case SImode: + return V4SImode; + case DImode: + return V2DImode; - default:; - } + case SFmode: + if (TARGET_AVX && !flag_prefer_avx128) + return V8SFmode; + else + return V4SFmode; + + case DFmode: + if (!TARGET_VECTORIZE_DOUBLE) + return word_mode; + else if (TARGET_AVX && !flag_prefer_avx128) + return V4DFmode; + else if (TARGET_SSE2) + return V2DFmode; + /* FALLTHRU */ - return word_mode; + default: + return word_mode; + } } /* If AVX is enabled then try vectorizing with both 256bit and 128bit @@ -35152,7 +35158,7 @@ ix86_preferred_simd_mode (enum machine_mode mode) static unsigned int ix86_autovectorize_vector_sizes (void) { - return TARGET_AVX ? 32 | 16 : 0; + return (TARGET_AVX && !flag_prefer_avx128) ? 32 | 16 : 0; } /* Initialize the GCC target structure. */ |