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authorOndrej Bilka <neleai@seznam.cz>2013-03-11 15:39:08 +0100
committerOndrej Bilka <neleai@seznam.cz>2013-03-11 15:39:08 +0100
commit80f844c9d898f97e8c9cf7f2571fa1eca46acd46 (patch)
tree02322b2c85ac38832ab36b3e439002d13fb06355 /sysdeps/x86_64/multiarch/memset.S
parentfb6b0fcbf13acf4a4a9a91720303d88263f3e4f9 (diff)
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Remove Prefer_SSE_for_memop on x64
Diffstat (limited to 'sysdeps/x86_64/multiarch/memset.S')
-rw-r--r--sysdeps/x86_64/multiarch/memset.S79
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"