1/*	$NetBSD: atomic_or_32.S,v 1.1 2014/09/03 19:34:25 matt Exp $	*/
2/*-
3 * Copyright (c) 2008 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Matt Thomas <matt@3am-software.com>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "atomic_op_asm.h"
32
33ENTRY_NP(_atomic_or_32)
341:	l.lwa	r11, 0(r3)		/* load old value */
35	l.or	r5, r11, r4		/* calculate new value */
36	l.swa	0(r3), r5		/* try to store */
37	l.bnf	1b			/*   succeed? no, try again */
38	l.nop				/* -- delay slot -- */
39	l.jr	lr			/* return old value */
40	l.nop
41END(_atomic_or_32)
42
43ATOMIC_OP_ALIAS(atomic_or_32,_atomic_or_32)
44ATOMIC_OP_ALIAS(atomic_or_uint,_atomic_or_32)
45ATOMIC_OP_ALIAS(atomic_or_ulong,_atomic_or_32)
46CRT_ALIAS(__sync_fetch_and_or_4,_atomic_or_32)
47CRT_ALIAS(__atomic_fetch_or_4,_atomic_or_32)
48STRONG_ALIAS(_atomic_or_uint,_atomic_or_32)
49STRONG_ALIAS(_atomic_or_ulong,_atomic_or_32)
50
51ENTRY_NP(_atomic_or_32_nv)
521:	l.lwa	r5, 0(r3)		/* load old value */
53	l.or	r11, r5, r4		/* calculate new value */
54	l.swa	0(r3), r11		/* try to store */
55	l.bnf	1b			/*   succeed? no, try again */
56	l.nop				/* -- delay slot -- */
57	l.jr	lr			/* return old value */
58	l.nop
59END(_atomic_or_32_nv)
60
61ATOMIC_OP_ALIAS(atomic_or_32_nv,_atomic_or_32_nv)
62ATOMIC_OP_ALIAS(atomic_or_uint_nv,_atomic_or_32_nv)
63ATOMIC_OP_ALIAS(atomic_or_ulong_nv,_atomic_or_32_nv)
64CRT_ALIAS(__sync_or_and_fetch_4,_atomic_or_32_nv)
65STRONG_ALIAS(_atomic_or_uint_nv,_atomic_or_32_nv)
66STRONG_ALIAS(_atomic_or_ulong_nv,_atomic_or_32_nv)
67