File: memchr.S

package info (click to toggle)
linux 6.19.10-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,760,156 kB
  • sloc: ansic: 27,015,282; asm: 273,419; sh: 151,386; python: 81,301; makefile: 58,565; perl: 34,311; xml: 21,064; cpp: 5,986; yacc: 4,841; lex: 2,901; awk: 1,707; sed: 30; ruby: 25
file content (27 lines) | stat: -rw-r--r-- 412 bytes parent folder | download | duplicates (49) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
/* 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