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author | Ondrej Bilka <neleai@seznam.cz> | 2013-03-11 15:39:08 +0100 |
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committer | Ondrej Bilka <neleai@seznam.cz> | 2013-03-11 15:39:08 +0100 |
commit | 80f844c9d898f97e8c9cf7f2571fa1eca46acd46 (patch) | |
tree | 02322b2c85ac38832ab36b3e439002d13fb06355 /sysdeps/x86_64/multiarch/memset.S | |
parent | fb6b0fcbf13acf4a4a9a91720303d88263f3e4f9 (diff) | |
download | glibc-80f844c9d898f97e8c9cf7f2571fa1eca46acd46.zip glibc-80f844c9d898f97e8c9cf7f2571fa1eca46acd46.tar.gz glibc-80f844c9d898f97e8c9cf7f2571fa1eca46acd46.tar.bz2 |
Remove Prefer_SSE_for_memop on x64
Diffstat (limited to 'sysdeps/x86_64/multiarch/memset.S')
-rw-r--r-- | sysdeps/x86_64/multiarch/memset.S | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/x86_64/multiarch/memset.S b/sysdeps/x86_64/multiarch/memset.S deleted file mode 100644 index 7f673fa..0000000 --- a/sysdeps/x86_64/multiarch/memset.S +++ /dev/null @@ -1,79 +0,0 @@ -/* Multiple versions of memset - All versions must be listed in ifunc-impl-list.c. - Copyright (C) 2010-2013 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 <init-arch.h> - -/* Define multiple versions only for the definition in lib. */ -#ifndef NOT_IN_libc -ENTRY(memset) - .type memset, @gnu_indirect_function - cmpl $0, __cpu_features+KIND_OFFSET(%rip) - jne 1f - call __init_cpu_features -1: leaq __memset_x86_64(%rip), %rax - testl $bit_Prefer_SSE_for_memop, __cpu_features+FEATURE_OFFSET+index_Prefer_SSE_for_memop(%rip) - jz 2f - leaq __memset_sse2(%rip), %rax -2: ret -END(memset) - -/* Define internal IFUNC memset for bzero. */ - .globl __libc_memset - .hidden __libc_memset - __libc_memset = memset - -# define USE_SSE2 1 - -# undef ENTRY -# define ENTRY(name) \ - .type __memset_sse2, @function; \ - .globl __memset_sse2; \ - .p2align 4; \ - __memset_sse2: cfi_startproc; \ - CALL_MCOUNT -# undef END -# define END(name) \ - cfi_endproc; .size __memset_sse2, .-__memset_sse2 - -# undef ENTRY_CHK -# define ENTRY_CHK(name) \ - .type __memset_chk_sse2, @function; \ - .globl __memset_chk_sse2; \ - .p2align 4; \ - __memset_chk_sse2: cfi_startproc; \ - CALL_MCOUNT -# undef END_CHK -# define END_CHK(name) \ - cfi_endproc; .size __memset_chk_sse2, .-__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" |