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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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linux-7.2.3/arch/arm/lib/memchr.S
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/lib/memchr.S
*
* Copyright (C) 1995-2000 Russell King
*
* ASM optimised string functions
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
.text
.align 5
ENTRY(memchr)
1: subs r2, r2, #1
bmi 2f
ldrb r3, [r0], #1
teq r3, r1
bne 1b
sub r0, r0, #1
2: movne r0, #0
ret lr
ENDPROC(memchr)