/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 *

 */

package sun.jvm.hotspot.asm.x86;

import sun.jvm.hotspot.asm.*;

public class SSEMoveDecoder extends SSEInstructionDecoder {

   public SSEMoveDecoder(String name, int addrMode1, int operandType1, int addrMode2, int operandType2) {

      super(name, addrMode1, operandType1, addrMode2, operandType2);

   }

   protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) {

      Operand op1 = getOperand1(bytesArray, operandSize, addrSize);

      Operand op2 = getOperand2(bytesArray, operandSize, addrSize);

      int size = byteIndex - instrStartIndex;

      if( (op1 instanceof X86Register) && (op2 instanceof ImmediateOrRegister) ) {

         return factory.newMoveInstruction(name, (X86Register)op1, (ImmediateOrRegister)op2, size, 0);

      }

      else if( (op1 instanceof Address) && (op2 instanceof Immediate) ) {

         return factory.newGeneralInstruction(name, op1, op2, size, 0);

      }

      else if( (op1 instanceof Address) && (op2 instanceof X86Register) ) {

         return factory.newMoveStoreInstruction(name, (Address)op1, (X86Register)op2, 0, size, 0);

      }

      else if( (op1 instanceof X86Register) && (op2 instanceof Address) ) {

         return factory.newMoveLoadInstruction(name, (X86Register)op1, (Address)op2, 0, size, 0);

      }

      return null;

   }

}