/* 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)