diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcpy_chk.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcpy_chk.S | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy_chk.S b/sysdeps/x86_64/multiarch/memcpy_chk.S index 6476c624f9..a0d56d40cd 100644 --- a/sysdeps/x86_64/multiarch/memcpy_chk.S +++ b/sysdeps/x86_64/multiarch/memcpy_chk.S @@ -30,7 +30,15 @@ ENTRY(__memcpy_chk) .type __memcpy_chk, @gnu_indirect_function LOAD_RTLD_GLOBAL_RO_RDX - leaq __memcpy_chk_sse2(%rip), %rax +#ifdef HAVE_AVX512_ASM_SUPPORT + HAS_ARCH_FEATURE (AVX512F_Usable) + jz 1f +# HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER) +# jz 1f + leaq __memcpy_avx512_no_vzeroupper(%rip), %rax + ret +#endif +1: leaq __memcpy_chk_sse2(%rip), %rax HAS_CPU_FEATURE (SSSE3) jz 2f leaq __memcpy_chk_ssse3(%rip), %rax |