1/*	$OpenBSD: rindex.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
2/*
3 * Written by J.T. Conklin <jtc@netbsd.org>.
4 * Public domain.
5 */
6
7#include <machine/asm.h>
8
9	.section .comment
10	.asciz	"$MirOS: src/kern/c/i386/strrchr.S,v 1.1 2011/01/03 19:02:50 tg Exp $"
11
12	.text
13
14NENTRY(strrchr)
15ENTRY(rindex)
16	pushl	%ebx
17	movl	8(%esp),%edx
18	movb	12(%esp),%cl
19	xorl	%eax,%eax		/* init pointer to null */
20	.align 2,0x90
21L1:
22	movb	(%edx),%bl
23	cmpb	%bl,%cl
24	jne	L2
25	movl	%edx,%eax
26L2:
27	incl	%edx
28	testb	%bl,%bl			/* null terminator??? */
29	jnz	L1
30	popl	%ebx
31	ret
32