1 /*

     2  * Copyright (c) 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * 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 }