1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  linux/arch/arm/lib/strrchr.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(strrchr)
15		mov	r3, #0
161:		ldrb	r2, [r0], #1
17		teq	r2, r1
18		subeq	r3, r0, #1
19		teq	r2, #0
20		bne	1b
21		mov	r0, r3
22		ret	lr
23ENDPROC(strrchr)
24