atomic_and.S revision 1.6 
1/*	$NetBSD: atomic_and.S,v 1.6 2008/05/25 15:56:11 chs 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	%sp@(4), %a0
38	movl	%sp@(8), %d0
39	andl	%d0, %a0@
40	rts
41ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32)
42ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32)
43STRONG_ALIAS(_atomic_and_uint,_atomic_and_32)
44ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_32)
45STRONG_ALIAS(_atomic_and_ulong,_atomic_and_32)
46ATOMIC_OP_ALIAS(atomic_and_ptr,_atomic_and_32)
47STRONG_ALIAS(_atomic_and_ptr,_atomic_and_32)
48
49ENTRY(_atomic_and_32_nv)
50	movl	%sp@(4), %a0
511:	movl	%a0@, %d0
52	movl	%d0, %d1
53	andl	%sp@(8), %d0
54	casl	%d1, %d0, %a0@
55	bne	1b
56	rts
57ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv)
58ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32_nv)
59STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv)
60ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_32_nv)
61STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv)
62ATOMIC_OP_ALIAS(atomic_and_ptr_nv,_atomic_and_32_nv)
63STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_32_nv)
64