atomic_and.S revision 1.6 1 1.6 chs /* $NetBSD: atomic_and.S,v 1.6 2008/05/25 15:56:12 chs Exp $ */
2 1.2 ad
3 1.2 ad /*-
4 1.2 ad * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.2 ad * All rights reserved.
6 1.2 ad *
7 1.2 ad * This code is derived from software contributed to The NetBSD Foundation
8 1.2 ad * by Jason R. Thorpe.
9 1.2 ad *
10 1.2 ad * Redistribution and use in source and binary forms, with or without
11 1.2 ad * modification, are permitted provided that the following conditions
12 1.2 ad * are met:
13 1.2 ad * 1. Redistributions of source code must retain the above copyright
14 1.2 ad * notice, this list of conditions and the following disclaimer.
15 1.2 ad * 2. Redistributions in binary form must reproduce the above copyright
16 1.2 ad * notice, this list of conditions and the following disclaimer in the
17 1.2 ad * documentation and/or other materials provided with the distribution.
18 1.2 ad *
19 1.2 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.2 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.2 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.2 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.2 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.2 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.2 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.2 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.2 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.2 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.2 ad * POSSIBILITY OF SUCH DAMAGE.
30 1.2 ad */
31 1.2 ad
32 1.2 ad #include "atomic_op_asm.h"
33 1.2 ad
34 1.2 ad .text
35 1.2 ad
36 1.6 chs ENTRY(_atomic_and_32)
37 1.2 ad ld [%o0], %o2
38 1.2 ad 1: and %o1, %o2, %o3
39 1.2 ad cas [%o0], %o2, %o3
40 1.2 ad cmp %o2, %o3
41 1.2 ad bne,a,pn %icc, 1b
42 1.2 ad mov %o3, %o2
43 1.2 ad retl
44 1.2 ad and %o1, %o2, %o0
45 1.2 ad ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32)
46 1.2 ad ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32)
47 1.2 ad STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
48 1.2 ad
49 1.2 ad ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32)
50 1.2 ad STRONG_ALIAS(_atomic_and_32_nv,_atomic_and_32)
51 1.2 ad ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32)
52 1.2 ad STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32)
53 1.2 ad
54 1.6 chs ENTRY(_atomic_and_64)
55 1.2 ad ldx [%o0], %o2
56 1.2 ad 1: and %o1, %o2, %o3
57 1.2 ad casx [%o0], %o2, %o3
58 1.2 ad cmp %o2, %o3
59 1.4 nakayama bne,a,pn %xcc, 1b
60 1.2 ad mov %o3, %o2
61 1.2 ad retl
62 1.2 ad and %o1, %o2, %o0
63 1.2 ad ATOMIC_OP_ALIAS(atomic_and_64,_atomic_and_64)
64 1.2 ad
65 1.2 ad ATOMIC_OP_ALIAS(atomic_and_64_nv,_atomic_and_64)
66 1.2 ad STRONG_ALIAS(_atomic_and_64_nv,_atomic_and_64)
67 1.3 mrg
68 1.3 mrg ATOMIC_OP_ALIAS_SIZE(atomic_and_ulong,_atomic_and)
69 1.3 mrg STRONG_ALIAS_SIZE(_atomic_and_ulong,_atomic_and)
70 1.3 mrg
71 1.3 mrg ATOMIC_OP_ALIAS_SIZE(atomic_and_ulong_nv,_atomic_and)
72 1.3 mrg STRONG_ALIAS_SIZE(_atomic_and_ulong_nv,_atomic_and)
73