[mirror_ubuntu-eoan-kernel.git] / arch / sh / lib / memchr.S

/* SPDX-License-Identifier: GPL-2.0 */
/* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $
 *
 * "memchr" implementation of SuperH
 *
 * Copyright (C) 1999  Niibe Yutaka
 *
 */

/*
 * void *memchr(const void *s, int c, size_t n);
 */

#include <linux/linkage.h>
ENTRY(memchr)
	tst	r6,r6
	bt/s	2f
	 exts.b	r5,r5
1:	mov.b	@r4,r1
	cmp/eq	r1,r5
	bt/s	3f
	 dt	r6
	bf/s	1b
	 add	#1,r4
2:	mov	#0,r4
3:	rts
	 mov	r4,r0
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	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>
	15	ENTRY(memchr)
	16	tst r6,r6
	17	bt/s 2f
	18	exts.b r5,r5
	19	1: mov.b @r4,r1
	20	cmp/eq r1,r5
	21	bt/s 3f
	22	dt r6
	23	bf/s 1b
	24	add #1,r4
	25	2: mov #0,r4
	26	3: rts
	27	mov r4,r0