swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
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Tip revision: fcb8ce5cfe30ca9ca5c9a79cdfe26d1993e65e0c authored by Linus Torvalds on 22 August 2011, 18:42:53 UTC
Linux 3.1-rc3
Tip revision: fcb8ce5
memchr.S
/*
 *  linux/arch/arm/lib/memchr.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>

	.text
	.align	5
ENTRY(memchr)
1:	subs	r2, r2, #1
	bmi	2f
	ldrb	r3, [r0], #1
	teq	r3, r1
	bne	1b
	sub	r0, r0, #1
2:	movne	r0, #0
	mov	pc, lr
ENDPROC(memchr)
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