1/*
2 *  linux/arch/arm/lib/strchr.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(strchr)
181:		ldrb	r2, [r0], #1
19		teq	r2, r1
20		teqne	r2, #0
21		bne	1b
22		teq	r2, #0
23		moveq	r0, #0
24		subne	r0, r0, #1
25		RETINSTR(mov,pc,lr)
26