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x86-64: Require BMI2 for avx2 functions [BZ #29611]

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This patch fixes BZ #29611
This commit is contained in:
Sunil K Pandey 2022-09-28 15:53:49 -07:00
parent 956cda8d9f
commit 2b05bbfd35
1 changed files with 28 additions and 10 deletions
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38
sysdeps/x86_64/multiarch/ifunc-impl-list.c
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@ -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,