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kernel_samsung_sm7125/arch/arm26/lib/strchr.S

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
20 years ago
/*
* linux/arch/arm26/lib/strchr.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(strchr)
1: ldrb r2, [r0], #1
teq r2, r1
teqne r2, #0
bne 1b
teq r2, #0
moveq r0, #0
subne r0, r0, #1
RETINSTR(mov,pc,lr)