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/*
 *  linux/arch/arm/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)
                and     r1, r1, #0xff
1:              ldrb    r2, [r0], #1
                teq     r2, r1
                teqne   r2, #0
                bne     1b
                teq     r2, r1
                movne   r0, #0
                subeq   r0, r0, #1
                RETINSTR(mov,pc,lr)