blob: e7ab1ea8ebaa5aa5bf5a213c2cefedfe3410b5b1 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/arm/lib/memchr.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(memchr)
181: subs r2, r2, #1
19 bmi 2f
20 ldrb r3, [r0], #1
21 teq r3, r1
22 bne 1b
23 sub r0, r0, #1
242: movne r0, #0
Russell King7999d8d2006-06-25 11:17:23 +010025 mov pc, lr