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comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9RegisterBranchInstruction.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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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 } |