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| 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_copyr.S | |
bulk upload of source
Diffstat (limited to 'S/byte_copyr.S')
| -rw-r--r-- | S/byte_copyr.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/S/byte_copyr.S b/S/byte_copyr.S new file mode 100644 index 0000000..bcc9b21 --- /dev/null +++ b/S/byte_copyr.S @@ -0,0 +1,22 @@ +.text +.globl byte_copyr +.type byte_copyr, @function +byte_copyr: + pushl %edi + pushl %esi + movl 12(%esp), %edi + movl 20(%esp), %esi + movl 16(%esp), %ecx + + decl %edi + decl %esi + addl %ecx, %edi + addl %ecx, %esi + + std + rep movsb + cld + + popl %esi + popl %edi + ret |