diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S b/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S index 704eed9a3f..2eb9e3744e 100644 --- a/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S +++ b/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S @@ -30,6 +30,10 @@ # define MEMSET_CHK_SYMBOL(p,s) MEMSET_SYMBOL(p, s) #endif +#ifndef WMEMSET_CHK_SYMBOL +# define WMEMSET_CHK_SYMBOL(p,s) WMEMSET_SYMBOL(p, s) +#endif + #ifndef VZEROUPPER # if VEC_SIZE > 16 # define VZEROUPPER vzeroupper @@ -79,6 +83,21 @@ END (__bzero) weak_alias (__bzero, bzero) #endif +#if IS_IN (libc) +# if defined SHARED +ENTRY_CHK (WMEMSET_CHK_SYMBOL (__wmemset_chk, unaligned)) + cmpq %rdx, %rcx + jb HIDDEN_JUMPTARGET (__chk_fail) +END_CHK (WMEMSET_CHK_SYMBOL (__wmemset_chk, unaligned)) +# endif + +ENTRY (WMEMSET_SYMBOL (__wmemset, unaligned)) + shlq $2, %rdx + WMEMSET_VDUP_TO_VEC0_AND_SET_RETURN (%esi, %rdi) + jmp L(entry_from_bzero) +END (WMEMSET_SYMBOL (__wmemset, unaligned)) +#endif + #if defined SHARED && IS_IN (libc) ENTRY_CHK (MEMSET_CHK_SYMBOL (__memset_chk, unaligned)) cmpq %rdx, %rcx @@ -87,8 +106,7 @@ END_CHK (MEMSET_CHK_SYMBOL (__memset_chk, unaligned)) #endif ENTRY (MEMSET_SYMBOL (__memset, unaligned)) -L(memset_entry): - VDUP_TO_VEC0_AND_SET_RETURN (%esi, %rdi) + MEMSET_VDUP_TO_VEC0_AND_SET_RETURN (%esi, %rdi) L(entry_from_bzero): cmpq $VEC_SIZE, %rdx jb L(less_vec) @@ -132,7 +150,7 @@ END_CHK (MEMSET_CHK_SYMBOL (__memset_chk, unaligned_erms)) # endif ENTRY (MEMSET_SYMBOL (__memset, unaligned_erms)) - VDUP_TO_VEC0_AND_SET_RETURN (%esi, %rdi) + MEMSET_VDUP_TO_VEC0_AND_SET_RETURN (%esi, %rdi) cmpq $VEC_SIZE, %rdx jb L(less_vec) cmpq $(VEC_SIZE * 2), %rdx |