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/byte_zero.S | |
bulk upload of source
Diffstat (limited to 'S/byte_zero.S')
| -rw-r--r-- | S/byte_zero.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/S/byte_zero.S b/S/byte_zero.S new file mode 100644 index 0000000..01c166b --- /dev/null +++ b/S/byte_zero.S @@ -0,0 +1,16 @@ +.globl byte_zero +.type byte_zero, @function +byte_zero: + xorb %al, %al + +.globl byte_zero_end +byte_zero_end: + pushl %edi + movl 8(%esp), %edi + movl 12(%esp), %ecx + + cld + rep stosb + + popl %edi + ret |