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| author | Sunil K Pandey <skpgkp2@gmail.com> | 2022-09-28 15:53:49 -0700 |
|---|---|---|
| committer | Sunil K Pandey <skpgkp2@gmail.com> | 2022-09-28 19:37:12 -0700 |
| commit | 2b05bbfd35f9a7645a74dbeef56bf1000c8ee0b5 (patch) | |
| tree | ae83090d7bf0f4198c83f469f484b558b151fa1e | |
| parent | 956cda8d9f222bba3558cf2949a35d3b477c8634 (diff) | |
| download | glibc-2b05bbfd35f9a7645a74dbeef56bf1000c8ee0b5.tar.gz glibc-2b05bbfd35f9a7645a74dbeef56bf1000c8ee0b5.tar.xz glibc-2b05bbfd35f9a7645a74dbeef56bf1000c8ee0b5.zip | |
x86-64: Require BMI2 for avx2 functions [BZ #29611]
This patch fixes BZ #29611
| -rw-r--r-- | sysdeps/x86_64/multiarch/ifunc-impl-list.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c index b7c23dbec8..69b781fd3b 100644 --- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c +++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c @@ -41,10 +41,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/memchr.c. */ IFUNC_IMPL (i, name, memchr, IFUNC_IMPL_ADD (array, i, memchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __memchr_avx2) IFUNC_IMPL_ADD (array, i, memchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __memchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, memchr, @@ -166,15 +168,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/memrchr.c. */ IFUNC_IMPL (i, name, memrchr, IFUNC_IMPL_ADD (array, i, memrchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __memrchr_avx2) IFUNC_IMPL_ADD (array, i, memrchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __memrchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, memrchr, (HAS_ARCH_FEATURE (AVX512VL_Usable) - && HAS_ARCH_FEATURE (AVX512BW_Usable)), + && HAS_ARCH_FEATURE (AVX512BW_Usable) + && HAS_CPU_FEATURE (BMI2)), __memrchr_evex) IFUNC_IMPL_ADD (array, i, memrchr, 1, __memrchr_sse2)) @@ -269,10 +274,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/rawmemchr.c. */ IFUNC_IMPL (i, name, rawmemchr, IFUNC_IMPL_ADD (array, i, rawmemchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __rawmemchr_avx2) IFUNC_IMPL_ADD (array, i, rawmemchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __rawmemchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, rawmemchr, @@ -419,15 +426,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/strrchr.c. */ IFUNC_IMPL (i, name, strrchr, IFUNC_IMPL_ADD (array, i, strrchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __strrchr_avx2) IFUNC_IMPL_ADD (array, i, strrchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __strrchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, strrchr, (HAS_ARCH_FEATURE (AVX512VL_Usable) - && HAS_ARCH_FEATURE (AVX512BW_Usable)), + && HAS_ARCH_FEATURE (AVX512BW_Usable) + && HAS_CPU_FEATURE (BMI2)), __strrchr_evex) IFUNC_IMPL_ADD (array, i, strrchr, 1, __strrchr_sse2)) @@ -560,10 +570,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/wcsrchr.c. */ IFUNC_IMPL (i, name, wcsrchr, IFUNC_IMPL_ADD (array, i, wcsrchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __wcsrchr_avx2) IFUNC_IMPL_ADD (array, i, wcsrchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __wcsrchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, wcsrchr, @@ -576,10 +588,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/wcscmp.c. */ IFUNC_IMPL (i, name, wcscmp, IFUNC_IMPL_ADD (array, i, wcscmp, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __wcscmp_avx2) IFUNC_IMPL_ADD (array, i, wcscmp, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __wcscmp_avx2_rtm) IFUNC_IMPL_ADD (array, i, wcscmp, @@ -592,10 +606,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/wcsncmp.c. */ IFUNC_IMPL (i, name, wcsncmp, IFUNC_IMPL_ADD (array, i, wcsncmp, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __wcsncmp_avx2) IFUNC_IMPL_ADD (array, i, wcsncmp, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __wcsncmp_avx2_rtm) IFUNC_IMPL_ADD (array, i, wcsncmp, @@ -656,10 +672,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, /* Support sysdeps/x86_64/multiarch/wmemchr.c. */ IFUNC_IMPL (i, name, wmemchr, IFUNC_IMPL_ADD (array, i, wmemchr, - HAS_ARCH_FEATURE (AVX2_Usable), + (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2)), __wmemchr_avx2) IFUNC_IMPL_ADD (array, i, wmemchr, (HAS_ARCH_FEATURE (AVX2_Usable) + && HAS_CPU_FEATURE (BMI2) && HAS_CPU_FEATURE (RTM)), __wmemchr_avx2_rtm) IFUNC_IMPL_ADD (array, i, wmemchr, |