X86XMMRegisters.java

/*
 * Copyright 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.*;

/* There are 8 128-bit XMM registers*/

public class X86XMMRegisters {

   public static final int NUM_XMM_REGISTERS = 8;

   public static final X86XMMRegister XMM0;
   public static final X86XMMRegister XMM1;
   public static final X86XMMRegister XMM2;
   public static final X86XMMRegister XMM3;
   public static final X86XMMRegister XMM4;
   public static final X86XMMRegister XMM5;
   public static final X86XMMRegister XMM6;
   public static final X86XMMRegister XMM7;

   private static X86XMMRegister xmmRegisters[];

   static {
      //XMM registers
      XMM0 = new X86XMMRegister(0, "%xmm0");
      XMM1 = new X86XMMRegister(1, "%xmm1");
      XMM2 = new X86XMMRegister(2, "%xmm2");
      XMM3 = new X86XMMRegister(3, "%xmm3");
      XMM4 = new X86XMMRegister(4, "%xmm4");
      XMM5 = new X86XMMRegister(5, "%xmm5");
      XMM6 = new X86XMMRegister(6, "%xmm6");
      XMM7 = new X86XMMRegister(7, "%xmm7");

      xmmRegisters = (new X86XMMRegister[] {
            XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7
      });
   }

   public static int getNumberOfRegisters() {
      return NUM_XMM_REGISTERS;
   }

   //Return the register name
   public static String getRegisterName(int regNum) {
      if (Assert.ASSERTS_ENABLED) {
         Assert.that(regNum > -1 && regNum < NUM_XMM_REGISTERS, "invalid XMM register number!");
      }
      return xmmRegisters[regNum].toString();
   }

   public static X86XMMRegister getRegister(int regNum) {
      if (Assert.ASSERTS_ENABLED) {
         Assert.that(regNum > -1 && regNum < NUM_XMM_REGISTERS, "invalid XMM register number!");
      }
     return xmmRegisters[regNum];
   }
}