1/*
2 *  linux/arch/arm/lib/memchr.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(memchr)
181:	subs	r2, r2, #1
19	bmi	2f
20	ldrb	r3, [r0], #1
21	teq	r3, r1
22	bne	1b
23	sub	r0, r0, #1
242:	movne	r0, #0
25	mov	pc, lr
26ENDPROC(memchr)
27