drm/radeon/kms: fix sideport detection on newer rs880 boards
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / lib / strrchr.S
blob302f20cd24237634889ff86218f531d2b30394b1
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>
15                 .text
16                 .align  5
17 ENTRY(strrchr)
18                 mov     r3, #0
19 1:              ldrb    r2, [r0], #1
20                 teq     r2, r1
21                 subeq   r3, r0, #1
22                 teq     r2, #0
23                 bne     1b
24                 mov     r0, r3
25                 mov     pc, lr
26 ENDPROC(strrchr)