/*
 * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
 * 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.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

package sun.jvm.hotspot.asm.x86;

import sun.jvm.hotspot.asm.*;
import sun.jvm.hotspot.utilities.*;

public class BranchDecoder extends InstructionDecoder {

   public BranchDecoder(String name) {
      super(name);
   }
   public BranchDecoder(String name, int addrMode1, int operandType1) {
      super(name, addrMode1, operandType1);
   }
   protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) {
      Operand addr = getOperand1(bytesArray, operandSize, addrSize);
      if (Assert.ASSERTS_ENABLED) {
         Assert.that(addr == null || addr instanceof X86PCRelativeAddress, "Address should be PC Relative!");
      }
      int size = byteIndex - instrStartIndex;
      return factory.newBranchInstruction(name, (X86PCRelativeAddress)addr, size, prefixes);
   }
}
