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.amd64;
  26 
  27 import sun.jvm.hotspot.asm.Register;
  28 import sun.jvm.hotspot.utilities.Assert;
  29 
  30 public class AMD64FloatRegister extends Register {
  31 
  32    public AMD64FloatRegister(int number) {
  33       super(number);
  34    }
  35 
  36    public int getNumber() {
  37       return number;
  38    }
  39 
  40    public int getNumberOfRegisters() {
  41       return AMD64FloatRegisters.getNumRegisters();
  42    }
  43 
  44    public boolean isFloat() {
  45       return true;
  46    }
  47 
  48    public boolean isFramePointer() {
  49       return false;
  50    }
  51 
  52    public boolean isStackPointer() {
  53       return false;
  54    }
  55 
  56    public boolean isValid() {
  57       return number >= 0 && number < AMD64FloatRegisters.getNumRegisters();
  58    }
  59 
  60    public String toString() {
  61       return AMD64FloatRegisters.getRegisterName(number);
  62    }
  63 
  64 }