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 X86FPArithmeticInstruction extends X86FPInstruction
  30                                         implements ArithmeticInstruction {
  31    final private int operation; //RTL operation
  32    final private Operand operand1;
  33    final private Operand operand2;
  34    final private String description;
  35 
  36    public X86FPArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) {
  37       super(name, size, prefixes);
  38       this.operation = operation;
  39       this.operand1 = op1;
  40       this.operand2 = op2;
  41       description = initDescription();
  42    }
  43 
  44    protected String initDescription() {
  45       StringBuffer buf = new StringBuffer();
  46       buf.append(getPrefixString());
  47       buf.append(getName());
  48       buf.append(spaces);
  49       if (operand1 != null) {
  50          buf.append(getOperandAsString(operand1));
  51       }
  52       if (operand2 != null) {
  53          buf.append(comma);
  54          buf.append(getOperandAsString(operand2));
  55       }
  56       return buf.toString();
  57    }
  58 
  59    public String asString(long currentPc, SymbolFinder symFinder) {
  60       return description;
  61    }
  62 
  63    public Operand getArithmeticDestination() {
  64       return operand1;
  65    }
  66    public Operand getOperand1() {
  67       return operand1;
  68    }
  69 
  70    public Operand getOperand2() {
  71       return operand2;
  72    }
  73 
  74    public Operand[] getArithmeticSources() {
  75       return (new Operand[] { operand1, operand2});
  76    }
  77 
  78    public int getOperation() {
  79       return operation;
  80    }
  81 
  82    public boolean isArithmetic() {
  83       return true;
  84    }
  85 }