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comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCSpecialLoadInstruction.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 import sun.jvm.hotspot.utilities.Assert;
29
30 public class SPARCSpecialLoadInstruction
31 extends SPARCSpecialRegisterInstruction
32 implements /* imports */ SPARCSpecialRegisters {
33 final private int specialReg;
34 final private int cregNum;
35 final private SPARCRegisterIndirectAddress addr;
36
37 public SPARCSpecialLoadInstruction(String name, int specialReg, int cregNum,
38 SPARCRegisterIndirectAddress addr) {
39 super(name);
40 this.specialReg = specialReg;
41 this.cregNum = cregNum;
42 this.addr = addr;
43 }
44
45 public SPARCSpecialLoadInstruction(String name, int specialReg, SPARCRegisterIndirectAddress addr) {
46 this(name, specialReg, -1, addr);
47 }
48
49 public int getSpecialRegister() {
50 return specialReg;
51 }
52
53 public int getCoprocessorRegister() {
54 if (Assert.ASSERTS_ENABLED)
55 Assert.that(specialReg == CREG, "not a coprocesssor register");
56 return cregNum;
57 }
58
59 public Address getSource() {
60 return addr;
61 }
62
63 protected String getDescription() {
64 StringBuffer buf = new StringBuffer();
65 buf.append(getName());
66 buf.append(spaces);
67 buf.append(addr);
68 buf.append(comma);
69 if (specialReg == CREG) {
70 buf.append("creg" + cregNum);
71 } else {
72 buf.append(getSpecialRegisterName(specialReg));
73 }
74 return buf.toString();
75 }
76 }