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 }