diff options
| author | Klaatu <[email protected]> | 2015-05-17 15:33:21 +1200 |
|---|---|---|
| committer | Klaatu <[email protected]> | 2015-05-17 15:33:21 +1200 |
| commit | b0de699679e8f1e39af847ed172d1ba605b4370c (patch) | |
| tree | 01dac00471d61f727394e508c613b29cff0ceae5 /S/str_diffn.S | |
bulk upload of source
Diffstat (limited to 'S/str_diffn.S')
| -rw-r--r-- | S/str_diffn.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/S/str_diffn.S b/S/str_diffn.S new file mode 100644 index 0000000..954d88f --- /dev/null +++ b/S/str_diffn.S @@ -0,0 +1,26 @@ +.globl str_diffn +.type str_diffn, @function +str_diffn: + pushl %edi + pushl %esi + movl 12(%esp), %esi + movl 16(%esp), %edi + movl 20(%esp), %ecx +.L1: + decl %ecx + js .L2 + lodsb + scasb + jne .L3 + testb %al,%al + jne .L1 +.L2: + xorl %eax,%eax + jmp .L4 +.L3: + sbbl %eax,%eax + orb $1,%al +.L4: + popl %esi + popl %edi + ret |