diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcpy.S | 3 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S | 6 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memmove.S | 3 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/mempcpy.S | 3 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/memset.S | 3 |
5 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy.S b/sysdeps/x86_64/multiarch/memcpy.S index f6771a4696..df7fbacd8a 100644 --- a/sysdeps/x86_64/multiarch/memcpy.S +++ b/sysdeps/x86_64/multiarch/memcpy.S @@ -29,6 +29,9 @@ ENTRY(__new_memcpy) .type __new_memcpy, @gnu_indirect_function LOAD_RTLD_GLOBAL_RO_RDX + lea __memcpy_erms(%rip), %RAX_LP + HAS_ARCH_FEATURE (Prefer_ERMS) + jnz 2f # ifdef HAVE_AVX512_ASM_SUPPORT HAS_ARCH_FEATURE (AVX512F_Usable) jz 1f diff --git a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S index a2cce39a16..4893ea46b4 100644 --- a/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S +++ b/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S @@ -150,13 +150,15 @@ L(nop): #if defined USE_MULTIARCH && IS_IN (libc) END (MEMMOVE_SYMBOL (__memmove, unaligned)) -# if VEC_SIZE == 16 && defined SHARED +# if VEC_SIZE == 16 +# if defined SHARED /* Only used to measure performance of REP MOVSB. */ ENTRY (__mempcpy_erms) movq %rdi, %rax addq %rdx, %rax jmp L(start_movsb) END (__mempcpy_erms) +# endif ENTRY (__memmove_erms) movq %rdi, %rax @@ -181,7 +183,9 @@ L(movsb_backward): cld ret END (__memmove_erms) +# if defined SHARED strong_alias (__memmove_erms, __memcpy_erms) +# endif # endif # ifdef SHARED diff --git a/sysdeps/x86_64/multiarch/memmove.S b/sysdeps/x86_64/multiarch/memmove.S index 25c3586ee9..8e1c6ac8e8 100644 --- a/sysdeps/x86_64/multiarch/memmove.S +++ b/sysdeps/x86_64/multiarch/memmove.S @@ -27,6 +27,9 @@ ENTRY(__libc_memmove) .type __libc_memmove, @gnu_indirect_function LOAD_RTLD_GLOBAL_RO_RDX + lea __memmove_erms(%rip), %RAX_LP + HAS_ARCH_FEATURE (Prefer_ERMS) + jnz 2f # ifdef HAVE_AVX512_ASM_SUPPORT HAS_ARCH_FEATURE (AVX512F_Usable) jz 1f diff --git a/sysdeps/x86_64/multiarch/mempcpy.S b/sysdeps/x86_64/multiarch/mempcpy.S index f9c6df301c..4011a1a4f0 100644 --- a/sysdeps/x86_64/multiarch/mempcpy.S +++ b/sysdeps/x86_64/multiarch/mempcpy.S @@ -29,6 +29,9 @@ ENTRY(__mempcpy) .type __mempcpy, @gnu_indirect_function LOAD_RTLD_GLOBAL_RO_RDX + lea __mempcpy_erms(%rip), %RAX_LP + HAS_ARCH_FEATURE (Prefer_ERMS) + jnz 2f # ifdef HAVE_AVX512_ASM_SUPPORT HAS_ARCH_FEATURE (AVX512F_Usable) jz 1f diff --git a/sysdeps/x86_64/multiarch/memset.S b/sysdeps/x86_64/multiarch/memset.S index 4e52d8f8c4..2b964a0398 100644 --- a/sysdeps/x86_64/multiarch/memset.S +++ b/sysdeps/x86_64/multiarch/memset.S @@ -26,6 +26,9 @@ ENTRY(memset) .type memset, @gnu_indirect_function LOAD_RTLD_GLOBAL_RO_RDX + lea __memset_erms(%rip), %RAX_LP + HAS_ARCH_FEATURE (Prefer_ERMS) + jnz 2f lea __memset_sse2_unaligned_erms(%rip), %RAX_LP HAS_CPU_FEATURE (ERMS) jnz 1f |