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comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCAtomicLoadStoreInstruction.java @ 0:a61af66fc99e jdk7-b24

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Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.asm.sparc;
26
27 import sun.jvm.hotspot.asm.*;
28
29 public abstract class SPARCAtomicLoadStoreInstruction extends SPARCInstruction
30 implements LoadInstruction, StoreInstruction {
31 final protected SPARCRegisterIndirectAddress addr;
32 final protected SPARCRegister rd;
33 final protected Register[] regs = new Register[1];
34 final protected String description;
35
36 public SPARCAtomicLoadStoreInstruction(String name, SPARCRegisterIndirectAddress addr, SPARCRegister rd) {
37 super(name);
38 this.addr = addr;
39 this.rd = rd;
40 regs[0] = rd;
41 description = initDescription();
42 }
43
44 private String initDescription() {
45 StringBuffer buf = new StringBuffer();
46 buf.append(getName());
47 buf.append(spaces);
48 buf.append(addr.toString());
49 buf.append(comma);
50 buf.append(rd.toString());
51 return buf.toString();
52 }
53
54 public Address getLoadSource() {
55 return addr;
56 }
57
58 public Address getStoreDestination() {
59 return addr;
60 }
61
62 public Register[] getLoadDestinations() {
63 return regs;
64 }
65
66 public Register[] getStoreSources() {
67 return regs;
68 }
69
70 public boolean isLoad() {
71 return true;
72 }
73
74 public boolean isStore() {
75 return true;
76 }
77
78 public String asString(long currentPc, SymbolFinder symFinder) {
79 return description;
80 }
81 }