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.x86;
  26 
  27 import sun.jvm.hotspot.utilities.*;
  28 
  29 /* There are 8 128-bit XMM registers*/
  30 
  31 public class X86XMMRegisters {
  32 
  33    public static final int NUM_XMM_REGISTERS = 8;
  34 
  35    public static final X86XMMRegister XMM0;
  36    public static final X86XMMRegister XMM1;
  37    public static final X86XMMRegister XMM2;
  38    public static final X86XMMRegister XMM3;
  39    public static final X86XMMRegister XMM4;
  40    public static final X86XMMRegister XMM5;
  41    public static final X86XMMRegister XMM6;
  42    public static final X86XMMRegister XMM7;
  43 
  44    private static X86XMMRegister xmmRegisters[];
  45 
  46    static {
  47       //XMM registers
  48       XMM0 = new X86XMMRegister(0, "%xmm0");
  49       XMM1 = new X86XMMRegister(1, "%xmm1");
  50       XMM2 = new X86XMMRegister(2, "%xmm2");
  51       XMM3 = new X86XMMRegister(3, "%xmm3");
  52       XMM4 = new X86XMMRegister(4, "%xmm4");
  53       XMM5 = new X86XMMRegister(5, "%xmm5");
  54       XMM6 = new X86XMMRegister(6, "%xmm6");
  55       XMM7 = new X86XMMRegister(7, "%xmm7");
  56 
  57       xmmRegisters = (new X86XMMRegister[] {
  58             XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7
  59       });
  60    }
  61 
  62    public static int getNumberOfRegisters() {
  63       return NUM_XMM_REGISTERS;
  64    }
  65 
  66    //Return the register name
  67    public static String getRegisterName(int regNum) {
  68       if (Assert.ASSERTS_ENABLED) {
  69          Assert.that(regNum > -1 && regNum < NUM_XMM_REGISTERS, "invalid XMM register number!");
  70       }
  71       return xmmRegisters[regNum].toString();
  72    }
  73 
  74    public static X86XMMRegister getRegister(int regNum) {
  75       if (Assert.ASSERTS_ENABLED) {
  76          Assert.that(regNum > -1 && regNum < NUM_XMM_REGISTERS, "invalid XMM register number!");
  77       }
  78      return xmmRegisters[regNum];
  79    }
  80 }