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Diffstat (limited to 'arch/arm26/lib/memchr.S')
| -rw-r--r-- | arch/arm26/lib/memchr.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm26/lib/memchr.S b/arch/arm26/lib/memchr.S new file mode 100644 index 000000000000..34e7c14c08ad --- /dev/null +++ b/arch/arm26/lib/memchr.S | |||
| @@ -0,0 +1,25 @@ | |||
| 1 | /* | ||
| 2 | * linux/arch/arm26/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 | ||
| 17 | ENTRY(memchr) | ||
| 18 | 1: subs r2, r2, #1 | ||
| 19 | bmi 2f | ||
| 20 | ldrb r3, [r0], #1 | ||
| 21 | teq r3, r1 | ||
| 22 | bne 1b | ||
| 23 | sub r0, r0, #1 | ||
| 24 | 2: movne r0, #0 | ||
| 25 | RETINSTR(mov,pc,lr) | ||