1 /*
   2  * Copyright 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 X86LogicInstruction extends X86Instruction
  30                                       implements LogicInstruction {
  31    final private Operand operand1;
  32    final private Operand operand2;
  33    final private int operation;
  34 
  35    public X86LogicInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) {
  36       super(name, size, prefixes);
  37       this.operation = operation;
  38       this.operand1 = op1;
  39       this.operand2 = op2;
  40    }
  41 
  42    public String asString(long currentPc, SymbolFinder symFinder) {
  43       StringBuffer buf = new StringBuffer();
  44       buf.append(getPrefixString());
  45       buf.append(getName());
  46       buf.append(spaces);
  47       buf.append(getOperandAsString(operand1));
  48       if(operand2 != null) {
  49          buf.append(comma);
  50          buf.append(getOperandAsString(operand2));
  51       }
  52       return buf.toString();
  53    }
  54 
  55    public Operand getLogicDestination() {
  56       return operand1;
  57    }
  58 
  59    public Operand[] getLogicSources() {
  60       return (new Operand[] { operand2 });
  61    }
  62 
  63    public int getOperation() {
  64       return operation;
  65    }
  66 
  67    public boolean isLogic() {
  68       return true;
  69    }
  70 }