xref: /openbmc/linux/arch/arm/lib/strrchr.S (revision fa7f32422ea1ac276b45b96a540ed5981caaa61f)
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#include <asm/export.h>
15
16		.text
17		.align	5
18ENTRY(strrchr)
19		mov	r3, #0
201:		ldrb	r2, [r0], #1
21		teq	r2, r1
22		subeq	r3, r0, #1
23		teq	r2, #0
24		bne	1b
25		mov	r0, r3
26		ret	lr
27ENDPROC(strrchr)
28EXPORT_SYMBOL(strrchr)
29