1/* SPDX-License-Identifier: GPL-2.0 */ 2/* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $ 3 * 4 * "memchr" implementation of SuperH 5 * 6 * Copyright (C) 1999 Niibe Yutaka 7 * 8 */ 9 10/* 11 * void *memchr(const void *s, int c, size_t n); 12 */ 13 14#include <linux/linkage.h> 15ENTRY(memchr) 16 tst r6,r6 17 bt/s 2f 18 exts.b r5,r5 191: mov.b @r4,r1 20 cmp/eq r1,r5 21 bt/s 3f 22 dt r6 23 bf/s 1b 24 add #1,r4 252: mov #0,r4 263: rts 27 mov r4,r0 28