Merge remote-tracking branch 'iommu/next'
[deliverable/linux.git] / arch / arm / lib / strrchr.S
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
18 ENTRY(strrchr)
19 mov r3, #0
20 1: 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
27 ENDPROC(strrchr)
28 EXPORT_SYMBOL(strrchr)
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