xref: /minix/common/lib/libc/arch/m68k/atomic/atomic_and.S (revision 0a6a1f1d)
1/*	$NetBSD: atomic_and.S,v 1.11 2014/06/23 21:53:45 joerg 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
36ENTRY(_atomic_and_32)
37	movl	4(%sp), %a0
38	movl	8(%sp), %d0
39	andl	%d0, (%a0)
40	rts
41END(_atomic_and_32)
42ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32)
43ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32)
44STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
45ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_32)
46STRONG_ALIAS(_atomic_and_ulong,_atomic_and_32)
47ATOMIC_OP_ALIAS(atomic_and_ptr,_atomic_and_32)
48STRONG_ALIAS(_atomic_and_ptr,_atomic_and_32)
49
50ENTRY(_atomic_and_32_nv)
51	movl	4(%sp), %a0
521:	movl	(%a0), %d0
53	movl	%d0, %d1
54	andl	8(%sp), %d0
55	casl	%d1, %d0, (%a0)
56	bne	1b
57	movl	%d0, %a0
58	rts
59END(_atomic_and_32_nv)
60ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv)
61ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32_nv)
62STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv)
63ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_32_nv)
64STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv)
65ATOMIC_OP_ALIAS(atomic_and_ptr_nv,_atomic_and_32_nv)
66STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_32_nv)
67CRT_ALIAS(__sync_and_and_fetch_4,_atomic_and_32_nv)
68
69ENTRY(__sync_fetch_and_and_4)
70	movl	4(%sp), %a0
711:	movl	(%a0), %d0
72	movl	%d0, %d1
73	andl	8(%sp), %d1
74	casl	%d0, %d1, (%a0)
75	bne	1b
76	movl	%d0, %a0
77	rts
78END(__sync_fetch_and_and_4)
79
80
81ENTRY(_atomic_and_16_nv)
82	movl	4(%sp), %a0
831:	movw	(%a0), %d0
84	movw	%d0, %d1
85	andw	8(%sp), %d0
86	casw	%d1, %d0, (%a0)
87	bne	1b
88	rts
89END(_atomic_and_16_nv)
90
91CRT_ALIAS(__sync_and_and_fetch_2,_atomic_and_16_nv)
92
93ENTRY(__sync_fetch_and_and_2)
94	movl	4(%sp), %a0
951:	movw	(%a0), %d0
96	movw	%d0, %d1
97	andw	8(%sp), %d1
98	casw	%d0, %d1, (%a0)
99	bne	1b
100	rts
101END(__sync_fetch_and_and_2)
102
103
104ENTRY(_atomic_and_8_nv)
105	movl	4(%sp), %a0
1061:	movb	(%a0), %d0
107	movb	%d0, %d1
108	andb	8(%sp), %d0
109	casb	%d1, %d0, (%a0)
110	bne	1b
111	rts
112END(_atomic_and_8_nv)
113
114CRT_ALIAS(__sync_and_and_fetch_1,_atomic_and_8_nv)
115
116ENTRY(__sync_fetch_and_and_1)
117	movl	4(%sp), %a0
1181:	movb	(%a0), %d0
119	movb	%d0, %d1
120	andb	8(%sp), %d1
121	casb	%d0, %d1, (%a0)
122	bne	1b
123	rts
124END(__sync_fetch_and_and_1)
125
126CRT_ALIAS(__atomic_fetch_and_1,__sync_fetch_and_and_1)
127CRT_ALIAS(__atomic_fetch_and_2,__sync_fetch_and_and_2)
128CRT_ALIAS(__atomic_fetch_and_4,__sync_fetch_and_and_4)
129