view agent/src/share/classes/sun/jvm/hotspot/asm/amd64/AMD64FloatRegister.java @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents c18cbe5936b8
children
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/*
 * Copyright (c) 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

package sun.jvm.hotspot.asm.amd64;

import sun.jvm.hotspot.asm.Register;
import sun.jvm.hotspot.utilities.Assert;

public class AMD64FloatRegister extends Register {

   public AMD64FloatRegister(int number) {
      super(number);
   }

   public int getNumber() {
      return number;
   }

   public int getNumberOfRegisters() {
      return AMD64FloatRegisters.getNumRegisters();
   }

   public boolean isFloat() {
      return true;
   }

   public boolean isFramePointer() {
      return false;
   }

   public boolean isStackPointer() {
      return false;
   }

   public boolean isValid() {
      return number >= 0 && number < AMD64FloatRegisters.getNumRegisters();
   }

   public String toString() {
      return AMD64FloatRegisters.getRegisterName(number);
   }

}