Annotation of src/common/lib/libc/arch/alpha/atomic/atomic_add.S, Revision 1.3
1.3 ! martin 1: /* $NetBSD: atomic_add.S,v 1.2 2007/11/28 17:39:06 ad Exp $ */
1.2 ad 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: LEAF_NOPROFILE(_atomic_add_32, 2)
37: 1: ldl_l t1, 0(a0)
38: addl t1, a1, t2
39: stl_c t2, 0(a0)
40: beq t2, 2f
41: RET
42: 2: br 1b
43: END(_atomic_add_32)
44: ATOMIC_OP_ALIAS(atomic_add_32,_atomic_add_32)
45: ATOMIC_OP_ALIAS(atomic_add_int,_atomic_add_32)
46: STRONG_ALIAS(_atomic_add_int,_atomic_add_32)
47:
48: LEAF_NOPROFILE(_atomic_add_32_nv, 2)
49: 1: ldl_l t1, 0(a0)
50: addl t1, a1, t2
51: mov t2, v0
52: stl_c t2, 0(a0)
53: beq t2, 2f
54: RET
55: 2: br 1b
56: END(_atomic_add_32_nv)
57: ATOMIC_OP_ALIAS(atomic_add_32_nv,_atomic_add_32_nv)
58: ATOMIC_OP_ALIAS(atomic_add_int_nv,_atomic_add_32_nv)
59: STRONG_ALIAS(_atomic_add_int_nv,_atomic_add_32_nv)
60:
61: LEAF_NOPROFILE(_atomic_add_64, 2)
62: 1: ldq_l t1, 0(a0)
63: addq t1, a1, t2
64: stq_c t2, 0(a0)
65: beq t2, 2f
66: RET
67: 2: br 1b
68: END(_atomic_add_64)
69: ATOMIC_OP_ALIAS(atomic_add_64,_atomic_add_64)
70: ATOMIC_OP_ALIAS(atomic_add_long,_atomic_add_64)
71: STRONG_ALIAS(_atomic_add_long,_atomic_add_64)
72: ATOMIC_OP_ALIAS(atomic_add_ptr,_atomic_add_64)
73: STRONG_ALIAS(_atomic_add_ptr,_atomic_add_64)
74:
75: LEAF_NOPROFILE(_atomic_add_64_nv, 2)
76: 1: ldq_l t1, 0(a0)
77: addq t1, a1, t2
78: mov t2, v0
79: stq_c t2, 0(a0)
80: beq t2, 2f
81: RET
82: 2: br 1b
83: END(_atomic_add_64_nv)
84: ATOMIC_OP_ALIAS(atomic_add_64_nv,_atomic_add_64_nv)
85: ATOMIC_OP_ALIAS(atomic_add_long_nv,_atomic_add_64_nv)
86: STRONG_ALIAS(_atomic_add_long_nv,_atomic_add_64_nv)
87: ATOMIC_OP_ALIAS(atomic_add_ptr_nv,_atomic_add_64_nv)
88: STRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_64_nv)
CVSweb <webmaster@jp.NetBSD.org>