1/*
2 *  linux/arch/arm/lib/strrchr.S
3 *
4 *  Copyright (C) 1995-2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 *  ASM optimised string functions
11 */
12#include <linux/linkage.h>
13#include <asm/assembler.h>
14
15		.text
16		.align	5
17ENTRY(strrchr)
18		mov	r3, #0
191:		ldrb	r2, [r0], #1
20		teq	r2, r1
21		subeq	r3, r0, #1
22		teq	r2, #0
23		bne	1b
24		mov	r0, r3
25		mov	pc, lr
26