/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/arch/arm/lib/strrchr.S
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 *  ASM optimised string functions
 */
#include <linux/linkage.h>
#include <asm/assembler.h>

                .text
                .align  5
ENTRY(strrchr)
                mov     r3, #0
1:              ldrb    r2, [r0], #1
                teq     r2, r1
                subeq   r3, r0, #1
                teq     r2, #0
                bne     1b
                mov     r0, r3
                ret     lr
ENDPROC(strrchr)