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comparison agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86ArithmeticInstruction.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 2002-2003 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.x86;
26
27 import sun.jvm.hotspot.asm.*;
28
29 public class X86ArithmeticInstruction extends X86Instruction
30 implements ArithmeticInstruction {
31 final private int operation; //RTL operation
32 final private Operand operand1;
33 final private Operand operand2;
34 final private Operand operand3;
35 final private String description;
36
37 public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) {
38 super(name, size, prefixes);
39 this.operation = operation;
40 this.operand1 = op1;
41 this.operand2 = op2;
42 this.operand3 = null;
43 description = initDescription();
44 }
45
46 public X86ArithmeticInstruction(String name, int operation, Operand op1, Operand op2, Operand op3, int size, int prefixes) {
47 super(name, size, prefixes);
48 this.operation = operation;
49 this.operand1 = op1;
50 this.operand2 = op2;
51 this.operand3 = op3;
52 description = initDescription();
53 }
54
55 protected String initDescription() {
56 StringBuffer buf = new StringBuffer();
57 buf.append(getPrefixString());
58 buf.append(getName());
59 buf.append(spaces);
60 if (operand1 != null) {
61 buf.append(getOperandAsString(operand1));
62 }
63 if (operand2 != null) {
64 buf.append(comma);
65 buf.append(getOperandAsString(operand2));
66 }
67 if(operand3 != null) {
68 buf.append(comma);
69 buf.append(getOperandAsString(operand3));
70 }
71 return buf.toString();
72 }
73
74 public String asString(long currentPc, SymbolFinder symFinder) {
75 return description;
76 }
77
78 public Operand getArithmeticDestination() {
79 return operand1;
80 }
81
82 public Operand getOperand1() {
83 return operand1;
84 }
85
86 public Operand getOperand2() {
87 return operand2;
88 }
89
90 public Operand getOperand3() {
91 return operand3;
92 }
93
94 public Operand[] getArithmeticSources() {
95 return (new Operand[] { operand1, operand2, operand3 });
96 }
97
98 public int getOperation() {
99 return operation;
100 }
101
102 public boolean isArithmetic() {
103 return true;
104 }
105 }