hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86FloatRegisters.java

/*
 * Copyright 2002-2003 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.utilities.Assert;

public class X86FloatRegisters {

   public static int getNumRegisters() {
      return NUM_REGISTERS;
   }

   public static X86FloatRegister getRegister(int regNum) {
      if (Assert.ASSERTS_ENABLED) {
         Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid float register number!");
      }
      return registers[regNum];
   }

   public static String getRegisterName(int i) {
      return "ST(" + i + ")";
   }

   public static final X86FloatRegister ST0;
   public static final X86FloatRegister ST1;
   public static final X86FloatRegister ST2;
   public static final X86FloatRegister ST3;
   public static final X86FloatRegister ST4;
   public static final X86FloatRegister ST5;
   public static final X86FloatRegister ST6;
   public static final X86FloatRegister ST7;

   public static final int NUM_REGISTERS = 8;

   private static final X86FloatRegister registers[];

   static {
      ST0 = new X86FloatRegister(0);
      ST1 = new X86FloatRegister(1);
      ST2 = new X86FloatRegister(2);
      ST3 = new X86FloatRegister(3);
      ST4 = new X86FloatRegister(4);
      ST5 = new X86FloatRegister(5);
      ST6 = new X86FloatRegister(6);
      ST7 = new X86FloatRegister(7);
      registers = (new X86FloatRegister[] {
         ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7
      });
   }
}