aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/x86_64/multiarch/memcpy.S
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2015-08-13 03:38:47 -0700
committerH.J. Lu <hjl.tools@gmail.com>2015-08-13 03:41:30 -0700
commit0b5395f052ee09cd7e3d219af4e805c38058afb5 (patch)
tree85b56ebd49e646da04d192468e3ede3a17ed3957 /sysdeps/x86_64/multiarch/memcpy.S
parente2e4f56056adddc3c1efe676b40a4b4f2453103b (diff)
downloadglibc-0b5395f052ee09cd7e3d219af4e805c38058afb5.tar
glibc-0b5395f052ee09cd7e3d219af4e805c38058afb5.tar.gz
glibc-0b5395f052ee09cd7e3d219af4e805c38058afb5.tar.bz2
glibc-0b5395f052ee09cd7e3d219af4e805c38058afb5.zip
Update x86_64 multiarch functions for <cpu-features.h>
This patch updates x86_64 multiarch functions to use the newly defined HAS_CPU_FEATURE, HAS_ARCH_FEATURE and LOAD_RTLD_GLOBAL_RO_RDX from <cpu-features.h>. * sysdeps/x86_64/fpu/multiarch/e_asin.c: Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/x86_64/fpu/multiarch/e_atan2.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise. * sysdeps/x86_64/fpu/multiarch/e_pow.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fma.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fmaf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_ceil.S: Use LOAD_RTLD_GLOBAL_RO_RDX and HAS_CPU_FEATURE (SSE4_1). * sysdeps/x86_64/fpu/multiarch/s_ceilf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floor.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floorf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_nearbyint.S : Likewise. * sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rintf.S: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rintf.S : Likewise. * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Likewise. * sysdeps/x86_64/multiarch/sched_cpucount.c: Likewise. * sysdeps/x86_64/multiarch/strstr.c: Likewise. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/memmove_chk.c: Likewise. * sysdeps/x86_64/multiarch/test-multiarch.c: Likewise. * sysdeps/x86_64/multiarch/memcmp.S: Remove __init_cpu_features call. Add LOAD_RTLD_GLOBAL_RO_RDX. Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/x86_64/multiarch/memcpy.S: Likewise. * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memset.S: Likewise. * sysdeps/x86_64/multiarch/memset_chk.S: Likewise. * sysdeps/x86_64/multiarch/strcat.S: Likewise. * sysdeps/x86_64/multiarch/strchr.S: Likewise. * sysdeps/x86_64/multiarch/strcmp.S: Likewise. * sysdeps/x86_64/multiarch/strcpy.S: Likewise. * sysdeps/x86_64/multiarch/strcspn.S: Likewise. * sysdeps/x86_64/multiarch/strspn.S: Likewise. * sysdeps/x86_64/multiarch/wcscpy.S: Likewise. * sysdeps/x86_64/multiarch/wmemcmp.S: Likewise.
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcpy.S')
-rw-r--r--sysdeps/x86_64/multiarch/memcpy.S12
1 files changed, 5 insertions, 7 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy.S b/sysdeps/x86_64/multiarch/memcpy.S
index 4e18cd3070..7e119d30e5 100644
--- a/sysdeps/x86_64/multiarch/memcpy.S
+++ b/sysdeps/x86_64/multiarch/memcpy.S
@@ -29,19 +29,17 @@
.text
ENTRY(__new_memcpy)
.type __new_memcpy, @gnu_indirect_function
- cmpl $0, KIND_OFFSET+__cpu_features(%rip)
- jne 1f
- call __init_cpu_features
-1: leaq __memcpy_avx_unaligned(%rip), %rax
- testl $bit_AVX_Fast_Unaligned_Load, __cpu_features+FEATURE_OFFSET+index_AVX_Fast_Unaligned_Load(%rip)
+ LOAD_RTLD_GLOBAL_RO_RDX
+ leaq __memcpy_avx_unaligned(%rip), %rax
+ HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
jz 1f
ret
1: leaq __memcpy_sse2(%rip), %rax
- testl $bit_Slow_BSF, __cpu_features+FEATURE_OFFSET+index_Slow_BSF(%rip)
+ HAS_ARCH_FEATURE (Slow_BSF)
jnz 2f
leaq __memcpy_sse2_unaligned(%rip), %rax
ret
-2: testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip)
+2: HAS_CPU_FEATURE (SSSE3)
jz 3f
leaq __memcpy_ssse3(%rip), %rax
3: ret