diff options
Diffstat (limited to 'src/string/i386/memmove.s')
| -rw-r--r-- | src/string/i386/memmove.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/string/i386/memmove.s b/src/string/i386/memmove.s new file mode 100644 index 00000000..6e6cc8e3 --- /dev/null +++ b/src/string/i386/memmove.s @@ -0,0 +1,21 @@ +.global memmove +.type memmove,@function +memmove: + mov 4(%esp),%eax + sub 8(%esp),%eax + cmp 12(%esp),%eax + jae memcpy + push %esi + push %edi + mov 12(%esp),%edi + mov 16(%esp),%esi + mov 20(%esp),%ecx + lea -1(%edi,%ecx),%edi + lea -1(%esi,%ecx),%esi + std + rep movsb + cld + lea 1(%edi),%eax + pop %edi + pop %esi + ret |