diff options
Diffstat (limited to 'S/str_copy.S')
| -rw-r--r-- | S/str_copy.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/S/str_copy.S b/S/str_copy.S new file mode 100644 index 0000000..c24dbac --- /dev/null +++ b/S/str_copy.S @@ -0,0 +1,18 @@ +.globl str_copy +.type str_copy, @function +str_copy: + pushl %edi + pushl %esi + movl 12(%esp), %edi + movl 16(%esp), %esi +.L1: + lodsb + stosb + testb %al,%al + jne .L1 + + leal -1(%edi), %eax + subl 12(%esp), %eax + popl %esi + popl %edi + ret |