diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/ifunc-wmemset.h')
| -rw-r--r-- | sysdeps/x86_64/multiarch/ifunc-wmemset.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sysdeps/x86_64/multiarch/ifunc-wmemset.h b/sysdeps/x86_64/multiarch/ifunc-wmemset.h index 2f1085f5fc..fae721cdb0 100644 --- a/sysdeps/x86_64/multiarch/ifunc-wmemset.h +++ b/sysdeps/x86_64/multiarch/ifunc-wmemset.h @@ -20,6 +20,7 @@ extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_unaligned) attribute_hidden; extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_unaligned) attribute_hidden; +extern __typeof (REDIRECT_NAME) OPTIMIZE (evex_unaligned) attribute_hidden; extern __typeof (REDIRECT_NAME) OPTIMIZE (avx512_unaligned) attribute_hidden; static inline void * @@ -27,14 +28,18 @@ IFUNC_SELECTOR (void) { const struct cpu_features* cpu_features = __get_cpu_features (); - if (!CPU_FEATURES_ARCH_P (cpu_features, Prefer_No_VZEROUPPER) - && CPU_FEATURES_ARCH_P (cpu_features, AVX2_Usable) + if (CPU_FEATURES_ARCH_P (cpu_features, AVX2_Usable) && CPU_FEATURES_ARCH_P (cpu_features, AVX_Fast_Unaligned_Load)) { if (CPU_FEATURES_ARCH_P (cpu_features, AVX512F_Usable) - && !CPU_FEATURES_ARCH_P (cpu_features, Prefer_No_AVX512)) + && !CPU_FEATURES_ARCH_P (cpu_features, Prefer_No_AVX512) + && !CPU_FEATURES_ARCH_P (cpu_features, Prefer_No_VZEROUPPER)) return OPTIMIZE (avx512_unaligned); - else + + if (CPU_FEATURES_ARCH_P (cpu_features, AVX512VL_Usable)) + return OPTIMIZE (evex_unaligned); + + if (!CPU_FEATURES_ARCH_P (cpu_features, Prefer_No_VZEROUPPER)) return OPTIMIZE (avx2_unaligned); } |