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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)
|
|
