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26 lines
529 B
26 lines
529 B
/* |
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* linux/arch/arm/lib/strrchr.S |
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* |
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* Copyright (C) 1995-2000 Russell King |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* ASM optimised string functions |
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*/ |
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#include <linux/linkage.h> |
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#include <asm/assembler.h> |
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.text |
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.align 5 |
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ENTRY(strrchr) |
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mov r3, #0 |
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1: ldrb r2, [r0], #1 |
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teq r2, r1 |
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subeq r3, r0, #1 |
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teq r2, #0 |
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bne 1b |
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mov r0, r3 |
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ret lr |
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ENDPROC(strrchr)
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