diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memmove.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memmove.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove.c b/sysdeps/x86_64/multiarch/memmove.c index dd153a3eaa..8da5640bb0 100644 --- a/sysdeps/x86_64/multiarch/memmove.c +++ b/sysdeps/x86_64/multiarch/memmove.c @@ -1,6 +1,6 @@ /* Multiple versions of memmove. All versions must be listed in ifunc-impl-list.c. - Copyright (C) 2010-2015 Free Software Foundation, Inc. + Copyright (C) 2010-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -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_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_SSSE3 - ? (HAS_FAST_COPY_BACKWARD + : (HAS_CPU_FEATURE (SSSE3) + ? (HAS_ARCH_FEATURE (Fast_Copy_Backward) ? __memmove_ssse3_back : __memmove_ssse3) - : __memmove_sse2)); + : __memmove_sse2))); strong_alias (__libc_memmove, memmove) |