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1 /*
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2 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.x86;
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26
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27 import sun.jvm.hotspot.asm.*;
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28
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29 public class X86FPArithmeticInstruction extends X86FPInstruction
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30 implements ArithmeticInstruction {
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31 final private int operation; //RTL operation
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32 final private Operand operand1;
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33 final private Operand operand2;
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34 final private String description;
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35
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36 public X86FPArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) {
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37 super(name, size, prefixes);
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38 this.operation = operation;
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39 this.operand1 = op1;
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40 this.operand2 = op2;
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41 description = initDescription();
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42 }
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43
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44 protected String initDescription() {
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45 StringBuffer buf = new StringBuffer();
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46 buf.append(getPrefixString());
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47 buf.append(getName());
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48 buf.append(spaces);
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49 if (operand1 != null) {
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50 buf.append(getOperandAsString(operand1));
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51 }
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52 if (operand2 != null) {
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53 buf.append(comma);
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54 buf.append(getOperandAsString(operand2));
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55 }
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56 return buf.toString();
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57 }
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58
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59 public String asString(long currentPc, SymbolFinder symFinder) {
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60 return description;
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61 }
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62
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63 public Operand getArithmeticDestination() {
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64 return operand1;
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65 }
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66 public Operand getOperand1() {
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67 return operand1;
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68 }
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69
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70 public Operand getOperand2() {
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71 return operand2;
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72 }
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73
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74 public Operand[] getArithmeticSources() {
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75 return (new Operand[] { operand1, operand2});
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76 }
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77
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78 public int getOperation() {
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79 return operation;
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80 }
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81
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82 public boolean isArithmetic() {
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83 return true;
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84 }
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85 }
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