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comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9BranchInstruction.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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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 class SPARCV9BranchInstruction extends SPARCBranchInstruction
30 implements SPARCV9Instruction {
31 final private boolean predictTaken;
32 final private int conditionFlag; // icc, xcc or fccn - condition bits selected
33
34 public SPARCV9BranchInstruction(String name, PCRelativeAddress addr,
35 boolean isAnnuled, int conditionCode, boolean predictTaken, int conditionFlag) {
36 super((name += (predictTaken)? ",pt" : ",pn"), addr, isAnnuled, conditionCode);
37 this.predictTaken = predictTaken;
38 this.conditionFlag = conditionFlag;
39 }
40
41 public boolean getPredictTaken() {
42 return predictTaken;
43 }
44
45 public String getConditionFlagName() {
46 return SPARCV9ConditionFlags.getFlagName(conditionFlag);
47 }
48
49 public int getConditionFlag() {
50 return conditionFlag;
51 }
52
53 public String asString(long currentPc, SymbolFinder symFinder) {
54 long address = addr.getDisplacement() + currentPc;
55 StringBuffer buf = new StringBuffer();
56 buf.append(getName());
57 buf.append(spaces);
58
59 // add conditionFlag bit used.
60 buf.append(getConditionFlagName());
61 buf.append(comma);
62 buf.append(symFinder.getSymbolFor(address));
63 return buf.toString();
64 }
65 }