diff options
Diffstat (limited to 'S/str_rchr.S')
| -rw-r--r-- | S/str_rchr.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/S/str_rchr.S b/S/str_rchr.S new file mode 100644 index 0000000..032c393 --- /dev/null +++ b/S/str_rchr.S @@ -0,0 +1,24 @@ +.globl str_rchr +.type str_rchr, @function +str_rchr: + pushl %esi + movl 8(%esp), %esi + movb 12(%esp), %ah + xorl %ecx, %ecx +.L1: + lodsb + cmpb %ah,%al + jne .L0 + movl %esi, %ecx +.L0: + testb %al,%al + jne .L1 + + testl %ecx, %ecx + jnz .L3 + movl %esi, %ecx +.L3: + subl 8(%esp), %ecx + leal -1(%ecx), %eax + popl %esi + ret |