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1/*
2 * linux/arch/arm26/lib/strchr.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
15 .text
16 .align 5
17ENTRY(strchr)
181: ldrb r2, [r0], #1
19 teq r2, r1
20 teqne r2, #0
21 bne 1b
22 teq r2, #0
23 moveq r0, #0
24 subne r0, r0, #1
25 RETINSTR(mov,pc,lr)