swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
Raw File
Tip revision: 9c763584b7c8911106bb77af7e648bef09af9d80 authored by Linus Torvalds on 20 November 2016, 21:52:19 UTC
Linux 4.9-rc6
Tip revision: 9c76358
strrchr.S
/*
 *  linux/arch/arm/lib/strrchr.S
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  ASM optimised string functions
 */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>

		.text
		.align	5
ENTRY(strrchr)
		mov	r3, #0
1:		ldrb	r2, [r0], #1
		teq	r2, r1
		subeq	r3, r0, #1
		teq	r2, #0
		bne	1b
		mov	r0, r3
		ret	lr
ENDPROC(strrchr)
EXPORT_SYMBOL(strrchr)
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