diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/strcmp.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strcmp.S | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/sysdeps/x86_64/multiarch/strcmp.S b/sysdeps/x86_64/multiarch/strcmp.S deleted file mode 100644 index 0e4a113f61..0000000000 --- a/sysdeps/x86_64/multiarch/strcmp.S +++ /dev/null @@ -1,209 +0,0 @@ -/* Multiple versions of strcmp - Copyright (C) 2009-2016 Free Software Foundation, Inc. - Contributed by Intel Corporation. - 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> - -#ifdef USE_AS_STRNCMP -/* Since the counter, %r11, is unsigned, we branch to strcmp_exitz - if the new counter > the old one or is 0. */ -# define UPDATE_STRNCMP_COUNTER \ - /* calculate left number to compare */ \ - lea -16(%rcx, %r11), %r9; \ - cmp %r9, %r11; \ - jb LABEL(strcmp_exitz); \ - test %r9, %r9; \ - je LABEL(strcmp_exitz); \ - mov %r9, %r11 - -# define STRCMP_SSE42 __strncmp_sse42 -# define STRCMP_SSSE3 __strncmp_ssse3 -# define STRCMP_SSE2 __strncmp_sse2 -# define __GI_STRCMP __GI_strncmp -#elif defined USE_AS_STRCASECMP_L -# include "locale-defines.h" - -# define UPDATE_STRNCMP_COUNTER - -# define STRCMP_AVX __strcasecmp_l_avx -# define STRCMP_SSE42 __strcasecmp_l_sse42 -# define STRCMP_SSSE3 __strcasecmp_l_ssse3 -# define STRCMP_SSE2 __strcasecmp_l_sse2 -# define __GI_STRCMP __GI___strcasecmp_l -#elif defined USE_AS_STRNCASECMP_L -# include "locale-defines.h" - -/* Since the counter, %r11, is unsigned, we branch to strcmp_exitz - if the new counter > the old one or is 0. */ -# define UPDATE_STRNCMP_COUNTER \ - /* calculate left number to compare */ \ - lea -16(%rcx, %r11), %r9; \ - cmp %r9, %r11; \ - jb LABEL(strcmp_exitz); \ - test %r9, %r9; \ - je LABEL(strcmp_exitz); \ - mov %r9, %r11 - -# define STRCMP_AVX __strncasecmp_l_avx -# define STRCMP_SSE42 __strncasecmp_l_sse42 -# define STRCMP_SSSE3 __strncasecmp_l_ssse3 -# define STRCMP_SSE2 __strncasecmp_l_sse2 -# define __GI_STRCMP __GI___strncasecmp_l -#else -# define USE_AS_STRCMP -# define UPDATE_STRNCMP_COUNTER -# ifndef STRCMP -# define STRCMP strcmp -# define STRCMP_SSE42 __strcmp_sse42 -# define STRCMP_SSSE3 __strcmp_ssse3 -# define STRCMP_SSE2 __strcmp_sse2 -# define __GI_STRCMP __GI_strcmp -# endif -#endif - -/* Define multiple versions only for the definition in libc. Don't - define multiple versions for strncmp in static library since we - need strncmp before the initialization happened. */ -#if (defined SHARED || !defined USE_AS_STRNCMP) && IS_IN (libc) - .text -ENTRY(STRCMP) - .type STRCMP, @gnu_indirect_function - LOAD_RTLD_GLOBAL_RO_RDX -#ifdef USE_AS_STRCMP - leaq __strcmp_sse2_unaligned(%rip), %rax - HAS_ARCH_FEATURE (Fast_Unaligned_Load) - jnz 3f -#else - HAS_ARCH_FEATURE (Slow_SSE4_2) - jnz 2f - leaq STRCMP_SSE42(%rip), %rax - HAS_CPU_FEATURE (SSE4_2) - jnz 3f -#endif -2: leaq STRCMP_SSSE3(%rip), %rax - HAS_CPU_FEATURE (SSSE3) - jnz 3f - leaq STRCMP_SSE2(%rip), %rax -3: ret -END(STRCMP) - -# ifdef USE_AS_STRCASECMP_L -ENTRY(__strcasecmp) - .type __strcasecmp, @gnu_indirect_function - LOAD_RTLD_GLOBAL_RO_RDX - leaq __strcasecmp_avx(%rip), %rax - HAS_ARCH_FEATURE (AVX_Usable) - jnz 3f - HAS_ARCH_FEATURE (Slow_SSE4_2) - jnz 2f - leaq __strcasecmp_sse42(%rip), %rax - HAS_CPU_FEATURE (SSE4_2) - jnz 3f -2: leaq __strcasecmp_ssse3(%rip), %rax - HAS_CPU_FEATURE (SSSE3) - jnz 3f - leaq __strcasecmp_sse2(%rip), %rax -3: ret -END(__strcasecmp) -weak_alias (__strcasecmp, strcasecmp) -# endif -# ifdef USE_AS_STRNCASECMP_L -ENTRY(__strncasecmp) - .type __strncasecmp, @gnu_indirect_function - LOAD_RTLD_GLOBAL_RO_RDX - leaq __strncasecmp_avx(%rip), %rax - HAS_ARCH_FEATURE (AVX_Usable) - jnz 3f - HAS_ARCH_FEATURE (Slow_SSE4_2) - jnz 2f - leaq __strncasecmp_sse42(%rip), %rax - HAS_CPU_FEATURE (SSE4_2) - jnz 3f -2: leaq __strncasecmp_ssse3(%rip), %rax - HAS_CPU_FEATURE (SSSE3) - jnz 3f - leaq __strncasecmp_sse2(%rip), %rax -3: ret -END(__strncasecmp) -weak_alias (__strncasecmp, strncasecmp) -# endif - -# undef LABEL -# define LABEL(l) .L##l##_sse42 -# define GLABEL(l) l##_sse42 -# define SECTION sse4.2 -# include "strcmp-sse42.S" - - -# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L -# define LABEL(l) .L##l##_avx -# define GLABEL(l) l##_avx -# define USE_AVX 1 -# undef STRCMP_SSE42 -# define STRCMP_SSE42 STRCMP_AVX -# define SECTION avx -# include "strcmp-sse42.S" -# endif - - -# undef ENTRY -# define ENTRY(name) \ - .type STRCMP_SSE2, @function; \ - .align 16; \ - .globl STRCMP_SSE2; \ - .hidden STRCMP_SSE2; \ - STRCMP_SSE2: cfi_startproc; \ - CALL_MCOUNT -# undef END -# define END(name) \ - cfi_endproc; .size STRCMP_SSE2, .-STRCMP_SSE2 - -# ifdef USE_AS_STRCASECMP_L -# define ENTRY2(name) \ - .type __strcasecmp_sse2, @function; \ - .align 16; \ - .globl __strcasecmp_sse2; \ - .hidden __strcasecmp_sse2; \ - __strcasecmp_sse2: cfi_startproc; \ - CALL_MCOUNT -# define END2(name) \ - cfi_endproc; .size __strcasecmp_sse2, .-__strcasecmp_sse2 -# endif - -# ifdef USE_AS_STRNCASECMP_L -# define ENTRY2(name) \ - .type __strncasecmp_sse2, @function; \ - .align 16; \ - .globl __strncasecmp_sse2; \ - .hidden __strncasecmp_sse2; \ - __strncasecmp_sse2: cfi_startproc; \ - CALL_MCOUNT -# define END2(name) \ - cfi_endproc; .size __strncasecmp_sse2, .-__strncasecmp_sse2 -# endif - -# undef libc_hidden_builtin_def -/* It doesn't make sense to send libc-internal strcmp calls through a PLT. - The speedup we get from using SSE4.2 instruction is likely eaten away - by the indirect call in the PLT. */ -# define libc_hidden_builtin_def(name) \ - .globl __GI_STRCMP; __GI_STRCMP = STRCMP_SSE2 -#endif - -#include "../strcmp.S" |