1 /* |
|
2 * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 * or visit www.oracle.com if you need additional information or have any |
|
21 * 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 } |
|