atomic_or.S revision 1.6.24.1 1 /* $NetBSD: atomic_or.S,v 1.6.24.1 2014/08/19 23:45:13 tls Exp $ */
2
3 /*-
4 * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "atomic_op_asm.h"
33
34 .text
35
36 ENTRY(_atomic_or_32)
37 movl 4(%sp), %a0
38 movl 8(%sp), %d0
39 orl %d0, (%a0)
40 rts
41 END(_atomic_or_32)
42
43 ATOMIC_OP_ALIAS(atomic_or_32,_atomic_or_32)
44 ATOMIC_OP_ALIAS(atomic_or_uint,_atomic_or_32)
45 STRONG_ALIAS(_atomic_or_uint,_atomic_or_32)
46 ATOMIC_OP_ALIAS(atomic_or_ulong,_atomic_or_32)
47 STRONG_ALIAS(_atomic_or_ulong,_atomic_or_32)
48 ATOMIC_OP_ALIAS(atomic_or_ptr,_atomic_or_32)
49 STRONG_ALIAS(_atomic_or_ptr,_atomic_or_32)
50
51 ENTRY(_atomic_or_32_nv)
52 movl 4(%sp), %a0
53 1: movl (%a0), %d0
54 movl %d0, %d1
55 orl 8(%sp), %d0
56 casl %d1, %d0, (%a0)
57 bne 1b
58 movl %d0, %a0
59 rts
60 END(_atomic_or_32_nv)
61
62 ATOMIC_OP_ALIAS(atomic_or_32_nv,_atomic_or_32_nv)
63 ATOMIC_OP_ALIAS(atomic_or_uint_nv,_atomic_or_32_nv)
64 STRONG_ALIAS(_atomic_or_uint_nv,_atomic_or_32_nv)
65 ATOMIC_OP_ALIAS(atomic_or_ulong_nv,_atomic_or_32_nv)
66 STRONG_ALIAS(_atomic_or_ulong_nv,_atomic_or_32_nv)
67 ATOMIC_OP_ALIAS(atomic_or_ptr_nv,_atomic_or_32_nv)
68 STRONG_ALIAS(_atomic_or_ptr_nv,_atomic_or_32_nv)
69 CRT_ALIAS(__sync_or_and_fetch_4, _atomic_or_32_nv)
70
71
72 ENTRY(__sync_fetch_and_or_4)
73 movl 4(%sp), %a0
74 1: movl (%a0), %d0
75 movl %d0, %d1
76 orl 8(%sp), %d1
77 casl %d0, %d1, (%a0)
78 bne 1b
79 movl %d0, %a0
80 rts
81 END(__sync_fetch_and_or_4)
82
83
84 ENTRY(_atomic_or_16_nv)
85 movl 4(%sp), %a0
86 1: movw (%a0), %d0
87 movw %d0, %d1
88 orw 8(%sp), %d0
89 casw %d1, %d0, (%a0)
90 bne 1b
91 rts
92 END(_atomic_or_16_nv)
93 CRT_ALIAS(__sync_or_and_fetch_2, _atomic_or_16_nv)
94
95 ENTRY(__sync_fetch_and_or_2)
96 movl 4(%sp), %a0
97 1: movw (%a0), %d0
98 movw %d0, %d1
99 orw 8(%sp), %d1
100 casw %d0, %d1, (%a0)
101 bne 1b
102 rts
103 END(__sync_fetch_and_or_2)
104
105
106 ENTRY(_atomic_or_8_nv)
107 movl 4(%sp), %a0
108 1: movb (%a0), %d0
109 movb %d0, %d1
110 orb 8(%sp), %d0
111 casb %d1, %d0, (%a0)
112 bne 1b
113 rts
114 END(_atomic_or_8_nv)
115 CRT_ALIAS(__sync_or_and_fetch_1, _atomic_or_8_nv)
116
117 ENTRY(__sync_fetch_and_or_1)
118 movl 4(%sp), %a0
119 1: movb (%a0), %d0
120 movb %d0, %d1
121 orb 8(%sp), %d1
122 casb %d0, %d1, (%a0)
123 bne 1b
124 rts
125 END(__sync_fetch_and_or_1)
126
127 CRT_ALIAS(__atomic_fetch_or_1,__sync_fetch_and_or_1)
128 CRT_ALIAS(__atomic_fetch_or_2,__sync_fetch_and_or_2)
129 CRT_ALIAS(__atomic_fetch_or_4,__sync_fetch_and_or_4)
130