1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  linux/arch/arm/lib/memchr.S
4 *
5 *  Copyright (C) 1995-2000 Russell King
6 *
7 *  ASM optimised string functions
8 */
9#include <linux/linkage.h>
10#include <asm/assembler.h>
11
12	.text
13	.align	5
14ENTRY(memchr)
151:	subs	r2, r2, #1
16	bmi	2f
17	ldrb	r3, [r0], #1
18	teq	r3, r1
19	bne	1b
20	sub	r0, r0, #1
212:	movne	r0, #0
22	ret	lr
23ENDPROC(memchr)
24