1 /*
   2  * Copyright 2002 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.sparc;
  26 
  27 import sun.jvm.hotspot.asm.*;
  28 
  29 public class SPARCMoveInstruction extends SPARCFormat3AInstruction
  30     implements MoveInstruction, RTLOperations {
  31 
  32     public SPARCMoveInstruction(String name, int opcode, ImmediateOrRegister operand2, SPARCRegister rd) {
  33         super(name, opcode, null, operand2, rd);
  34     }
  35 
  36     protected String getDescription() {
  37         StringBuffer buf = new StringBuffer();
  38         if (operand2 == SPARCRegisters.G0) {
  39             buf.append("clr");
  40             buf.append(spaces);
  41             buf.append(rd.toString());
  42         } else {
  43             buf.append("mov");
  44             buf.append(spaces);
  45             buf.append(getOperand2String());
  46             buf.append(comma);
  47             buf.append(rd.toString());
  48         }
  49 
  50         return buf.toString();
  51     }
  52 
  53     public Register getMoveDestination() {
  54         return getDestinationRegister();
  55     }
  56 
  57     public ImmediateOrRegister getMoveSource() {
  58         return operand2;
  59     }
  60 
  61     public boolean isConditional() {
  62         return false;
  63     }
  64 
  65     public boolean isMove() {
  66         return true;
  67     }
  68 }