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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/lib/strrchr.S | |
Initial import
Diffstat (limited to 'arch/arm/lib/strrchr.S')
| -rw-r--r-- | arch/arm/lib/strrchr.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/lib/strrchr.S b/arch/arm/lib/strrchr.S new file mode 100644 index 000000000..3cec1c748 --- /dev/null +++ b/arch/arm/lib/strrchr.S @@ -0,0 +1,26 @@ +/* + * linux/arch/arm/lib/strrchr.S + * + * Copyright (C) 1995-2000 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * ASM optimised string functions + */ +#include <linux/linkage.h> +#include <asm/assembler.h> + + .text + .align 5 +ENTRY(strrchr) + mov r3, #0 +1: ldrb r2, [r0], #1 + teq r2, r1 + subeq r3, r0, #1 + teq r2, #0 + bne 1b + mov r0, r3 + ret lr +ENDPROC(strrchr) |