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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-03-24 18:56:13 -0500 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-03-25 13:16:50 -0500 |
| commit | 84e7c46df4086873eae28a1fb87d2cf5388b1e16 (patch) | |
| tree | 4a62843c642a15bf09a4da8030d9ca43c21ecea7 /sysdeps/x86_64/multiarch/ifunc-strcasecmp.h | |
| parent | bbf81222343fed5cd704001a2ae0d86c71544151 (diff) | |
| download | glibc-84e7c46df4086873eae28a1fb87d2cf5388b1e16.tar.gz glibc-84e7c46df4086873eae28a1fb87d2cf5388b1e16.tar.xz glibc-84e7c46df4086873eae28a1fb87d2cf5388b1e16.zip | |
x86: Add EVEX optimized str{n}casecmp
geometric_mean(N=40) of all benchmarks EVEX / SSE42: .621 All string/memory tests pass. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/x86_64/multiarch/ifunc-strcasecmp.h')
| -rw-r--r-- | sysdeps/x86_64/multiarch/ifunc-strcasecmp.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/ifunc-strcasecmp.h b/sysdeps/x86_64/multiarch/ifunc-strcasecmp.h index c4de111fd0..bf0d146e7f 100644 --- a/sysdeps/x86_64/multiarch/ifunc-strcasecmp.h +++ b/sysdeps/x86_64/multiarch/ifunc-strcasecmp.h @@ -25,6 +25,7 @@ extern __typeof (REDIRECT_NAME) OPTIMIZE (sse42) attribute_hidden; extern __typeof (REDIRECT_NAME) OPTIMIZE (avx) attribute_hidden; extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden; extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_rtm) attribute_hidden; +extern __typeof (REDIRECT_NAME) OPTIMIZE (evex) attribute_hidden; static inline void * IFUNC_SELECTOR (void) @@ -34,6 +35,10 @@ IFUNC_SELECTOR (void) if (CPU_FEATURE_USABLE_P (cpu_features, AVX2) && CPU_FEATURES_ARCH_P (cpu_features, AVX_Fast_Unaligned_Load)) { + if (CPU_FEATURE_USABLE_P (cpu_features, AVX512VL) + && CPU_FEATURE_USABLE_P (cpu_features, AVX512BW)) + return OPTIMIZE (evex); + if (CPU_FEATURE_USABLE_P (cpu_features, RTM)) return OPTIMIZE (avx2_rtm); |