diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/strcmp.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strcmp.S | 66 |
1 files changed, 24 insertions, 42 deletions
diff --git a/sysdeps/x86_64/multiarch/strcmp.S b/sysdeps/x86_64/multiarch/strcmp.S index f50f26c393..0e4a113f61 100644 --- a/sysdeps/x86_64/multiarch/strcmp.S +++ b/sysdeps/x86_64/multiarch/strcmp.S @@ -1,5 +1,5 @@ /* Multiple versions of strcmp - Copyright (C) 2009-2015 Free Software Foundation, Inc. + Copyright (C) 2009-2016 Free Software Foundation, Inc. Contributed by Intel Corporation. This file is part of the GNU C Library. @@ -84,24 +84,20 @@ .text ENTRY(STRCMP) .type STRCMP, @gnu_indirect_function - /* Manually inlined call to __get_cpu_features. */ - cmpl $0, __cpu_features+KIND_OFFSET(%rip) - jne 1f - call __init_cpu_features -1: + LOAD_RTLD_GLOBAL_RO_RDX #ifdef USE_AS_STRCMP leaq __strcmp_sse2_unaligned(%rip), %rax - testl $bit_Fast_Unaligned_Load, __cpu_features+FEATURE_OFFSET+index_Fast_Unaligned_Load(%rip) + HAS_ARCH_FEATURE (Fast_Unaligned_Load) jnz 3f #else - testl $bit_Slow_SSE4_2, __cpu_features+FEATURE_OFFSET+index_Slow_SSE4_2(%rip) + HAS_ARCH_FEATURE (Slow_SSE4_2) jnz 2f leaq STRCMP_SSE42(%rip), %rax - testl $bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip) + HAS_CPU_FEATURE (SSE4_2) jnz 3f #endif 2: leaq STRCMP_SSSE3(%rip), %rax - testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip) + HAS_CPU_FEATURE (SSSE3) jnz 3f leaq STRCMP_SSE2(%rip), %rax 3: ret @@ -110,23 +106,17 @@ END(STRCMP) # ifdef USE_AS_STRCASECMP_L ENTRY(__strcasecmp) .type __strcasecmp, @gnu_indirect_function - /* Manually inlined call to __get_cpu_features. */ - cmpl $0, __cpu_features+KIND_OFFSET(%rip) - jne 1f - call __init_cpu_features -1: -# ifdef HAVE_AVX_SUPPORT + LOAD_RTLD_GLOBAL_RO_RDX leaq __strcasecmp_avx(%rip), %rax - testl $bit_AVX_Usable, __cpu_features+FEATURE_OFFSET+index_AVX_Usable(%rip) + HAS_ARCH_FEATURE (AVX_Usable) jnz 3f -# endif - testl $bit_Slow_SSE4_2, __cpu_features+FEATURE_OFFSET+index_Slow_SSE4_2(%rip) + HAS_ARCH_FEATURE (Slow_SSE4_2) jnz 2f leaq __strcasecmp_sse42(%rip), %rax - testl $bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip) + HAS_CPU_FEATURE (SSE4_2) jnz 3f 2: leaq __strcasecmp_ssse3(%rip), %rax - testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip) + HAS_CPU_FEATURE (SSSE3) jnz 3f leaq __strcasecmp_sse2(%rip), %rax 3: ret @@ -136,23 +126,17 @@ weak_alias (__strcasecmp, strcasecmp) # ifdef USE_AS_STRNCASECMP_L ENTRY(__strncasecmp) .type __strncasecmp, @gnu_indirect_function - /* Manually inlined call to __get_cpu_features. */ - cmpl $0, __cpu_features+KIND_OFFSET(%rip) - jne 1f - call __init_cpu_features -1: -# ifdef HAVE_AVX_SUPPORT + LOAD_RTLD_GLOBAL_RO_RDX leaq __strncasecmp_avx(%rip), %rax - testl $bit_AVX_Usable, __cpu_features+FEATURE_OFFSET+index_AVX_Usable(%rip) + HAS_ARCH_FEATURE (AVX_Usable) jnz 3f -# endif - testl $bit_Slow_SSE4_2, __cpu_features+FEATURE_OFFSET+index_Slow_SSE4_2(%rip) + HAS_ARCH_FEATURE (Slow_SSE4_2) jnz 2f leaq __strncasecmp_sse42(%rip), %rax - testl $bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip) + HAS_CPU_FEATURE (SSE4_2) jnz 3f 2: leaq __strncasecmp_ssse3(%rip), %rax - testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip) + HAS_CPU_FEATURE (SSSE3) jnz 3f leaq __strncasecmp_sse2(%rip), %rax 3: ret @@ -167,16 +151,14 @@ weak_alias (__strncasecmp, strncasecmp) # include "strcmp-sse42.S" -# ifdef HAVE_AVX_SUPPORT -# 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 +# 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 |