diff options
Diffstat (limited to 'arch/arm26/lib/strrchr.S')
-rw-r--r-- | arch/arm26/lib/strrchr.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm26/lib/strrchr.S b/arch/arm26/lib/strrchr.S new file mode 100644 index 000000000000..db43b28e78dc --- /dev/null +++ b/arch/arm26/lib/strrchr.S | |||
@@ -0,0 +1,25 @@ | |||
1 | /* | ||
2 | * linux/arch/arm26/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 | |||
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 | RETINSTR(mov,pc,lr) | ||