Mercurial > hg > graal-jvmci-8

comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9RegisterBranchInstruction.java @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-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 SPARCV9RegisterBranchInstruction extends SPARCInstruction
30 implements SPARCV9Instruction, BranchInstruction {
31 final protected PCRelativeAddress addr;
32 final protected boolean isAnnuled;
33 final protected int regConditionCode;
34 final protected SPARCRegister conditionRegister;
35 final protected boolean predictTaken;
36
37 public SPARCV9RegisterBranchInstruction(String name, PCRelativeAddress addr,
38 boolean isAnnuled, int regConditionCode,
39 SPARCRegister conditionRegister, boolean predictTaken) {
40 super(name);
41 this.addr = addr;
42 this.isAnnuled = isAnnuled;
43 this.regConditionCode = regConditionCode;
44 this.conditionRegister = conditionRegister;
45 this.predictTaken = predictTaken;
46 }
47
48 public String asString(long currentPc, SymbolFinder symFinder) {
49 long address = addr.getDisplacement() + currentPc;
50 StringBuffer buf = new StringBuffer();
51 buf.append(getName());
52 buf.append(spaces);
53 buf.append(symFinder.getSymbolFor(address));
54 return buf.toString();
55 }
56
57 public boolean isBranch() {
58 return true;
59 }
60
61 public Address getBranchDestination() {
62 return addr;
63 }
64
65 public boolean isAnnuledBranch() {
66 return isAnnuled;
67 }
68
69 public boolean isConditional() {
70 return true;
71 }
72
73 public int getRegisterConditionCode() {
74 return regConditionCode;
75 }
76
77 public SPARCRegister getConditionRegister() {
78 return conditionRegister;
79 }
80
81 public boolean getPredictTaken() {
82 return predictTaken;
83 }
84 }