diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcpy-ssse3.S')
-rw-r--r-- | sysdeps/x86_64/multiarch/memcpy-ssse3.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy-ssse3.S b/sysdeps/x86_64/multiarch/memcpy-ssse3.S index 95de9695f9..1ca88c0758 100644 --- a/sysdeps/x86_64/multiarch/memcpy-ssse3.S +++ b/sysdeps/x86_64/multiarch/memcpy-ssse3.S @@ -29,6 +29,8 @@ #ifndef MEMCPY # define MEMCPY __memcpy_ssse3 # define MEMCPY_CHK __memcpy_chk_ssse3 +# define MEMPCPY __mempcpy_ssse3 +# define MEMPCPY_CHK __mempcpy_chk_ssse3 #endif #define JMPTBL(I, B) I - B @@ -44,6 +46,19 @@ ud2 .section .text.ssse3,"ax",@progbits +#if !defined USE_AS_MEMPCPY && !defined USE_AS_MEMMOVE +ENTRY (MEMPCPY_CHK) + cmpq %rdx, %rcx + jb HIDDEN_JUMPTARGET (__chk_fail) +END (MEMPCPY_CHK) + +ENTRY (MEMPCPY) + movq %rdi, %rax + addq %rdx, %rax + jmp L(start) +END (MEMPCPY) +#endif + #if !defined USE_AS_BCOPY ENTRY (MEMCPY_CHK) cmpq %rdx, %rcx @@ -66,6 +81,7 @@ ENTRY (MEMCPY) jmp L(copy_backward) L(copy_forward): #endif +L(start): cmp $79, %rdx lea L(table_less_80bytes)(%rip), %r11 ja L(80bytesormore) |