diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memset.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memset.S | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sysdeps/x86_64/multiarch/memset.S b/sysdeps/x86_64/multiarch/memset.S deleted file mode 100644 index 8e3b9b9764..0000000000 --- a/sysdeps/x86_64/multiarch/memset.S +++ /dev/null @@ -1,64 +0,0 @@ -/* Multiple versions of memset - All versions must be listed in ifunc-impl-list.c. - Copyright (C) 2014-2016 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <init-arch.h> - -/* Define multiple versions only for the definition in lib. */ -#if IS_IN (libc) -ENTRY(memset) - .type memset, @gnu_indirect_function - LOAD_RTLD_GLOBAL_RO_RDX - leaq __memset_sse2(%rip), %rax - HAS_ARCH_FEATURE (AVX2_Usable) - jz 2f - leaq __memset_avx2(%rip), %rax -#ifdef HAVE_AVX512_ASM_SUPPORT - HAS_ARCH_FEATURE (AVX512F_Usable) - jz 2f - HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER) - jz 2f - leaq __memset_avx512_no_vzeroupper(%rip), %rax -#endif -2: ret -END(memset) -#endif - -#if IS_IN (libc) -# undef memset -# define memset __memset_sse2 - -# undef __memset_chk -# define __memset_chk __memset_chk_sse2 - -# ifdef SHARED -# undef libc_hidden_builtin_def -/* It doesn't make sense to send libc-internal memset calls through a PLT. - The speedup we get from using GPR instruction is likely eaten away - by the indirect call in the PLT. */ -# define libc_hidden_builtin_def(name) \ - .globl __GI_memset; __GI_memset = __memset_sse2 -# endif - -# undef strong_alias -# define strong_alias(original, alias) -#endif - -#include "../memset.S" |