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

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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.SymbolFinder;
28 import sun.jvm.hotspot.utilities.Assert;
29
30 public class SPARCReadInstruction extends SPARCSpecialRegisterInstruction {
31 final private int specialReg;
32 final private int asrRegNum;
33 final private SPARCRegister rd;
34
35 public SPARCReadInstruction(int specialReg, int asrRegNum, SPARCRegister rd) {
36 super("rd");
37 this.specialReg = specialReg;
38 this.asrRegNum = asrRegNum;
39 this.rd = rd;
40 }
41
42 public int getSpecialRegister() {
43 return specialReg;
44 }
45
46 public int getAncillaryRegister() {
47 if (Assert.ASSERTS_ENABLED)
48 Assert.that(specialReg == ASR, "not an ancillary register");
49 return asrRegNum;
50 }
51
52 protected String getDescription() {
53 StringBuffer buf = new StringBuffer();
54 buf.append(getName());
55 buf.append(spaces);
56 if(specialReg == ASR)
57 buf.append("%asr" + asrRegNum);
58 else
59 buf.append(getSpecialRegisterName(specialReg));
60 buf.append(comma);
61 buf.append(rd.toString());
62 return buf.toString();
63 }
64 }