summaryrefslogtreecommitdiff
path: root/sysdeps/x86_64/multiarch/memmove.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/x86_64/multiarch/memmove.c')
-rw-r--r--sysdeps/x86_64/multiarch/memmove.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove.c b/sysdeps/x86_64/multiarch/memmove.c
index e8445317a2..8da5640bb0 100644
--- a/sysdeps/x86_64/multiarch/memmove.c
+++ b/sysdeps/x86_64/multiarch/memmove.c
@@ -36,6 +36,9 @@ extern __typeof (__redirect_memmove) __memmove_sse2 attribute_hidden;
extern __typeof (__redirect_memmove) __memmove_ssse3 attribute_hidden;
extern __typeof (__redirect_memmove) __memmove_ssse3_back attribute_hidden;
extern __typeof (__redirect_memmove) __memmove_avx_unaligned attribute_hidden;
+# ifdef HAVE_AVX512_ASM_SUPPORT
+ extern __typeof (__redirect_memmove) __memmove_avx512_no_vzeroupper attribute_hidden;
+# endif
#endif
@@ -49,12 +52,18 @@ extern __typeof (__redirect_memmove) __memmove_avx_unaligned attribute_hidden;
ifunc symbol properly. */
extern __typeof (__redirect_memmove) __libc_memmove;
libc_ifunc (__libc_memmove,
- HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
+#ifdef HAVE_AVX512_ASM_SUPPORT
+ HAS_ARCH_FEATURE (AVX512F_Usable)
+ && HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
+ ? __memmove_avx512_no_vzeroupper
+ :
+#endif
+ (HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
? __memmove_avx_unaligned
: (HAS_CPU_FEATURE (SSSE3)
? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
? __memmove_ssse3_back : __memmove_ssse3)
- : __memmove_sse2));
+ : __memmove_sse2)));
strong_alias (__libc_memmove, memmove)