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 }