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comparison agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86MMXRegisters.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
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 /* 8 64-bit registers called MMX registers*/
30
31 public class X86MMXRegisters {
32
33 public static final int NUM_MMX_REGISTERS = 8;
34
35 public static final X86MMXRegister MM0;
36 public static final X86MMXRegister MM1;
37 public static final X86MMXRegister MM2;
38 public static final X86MMXRegister MM3;
39 public static final X86MMXRegister MM4;
40 public static final X86MMXRegister MM5;
41 public static final X86MMXRegister MM6;
42 public static final X86MMXRegister MM7;
43
44 private static X86MMXRegister mmxRegisters[];
45
46 static {
47 //MMX registers
48 MM0 = new X86MMXRegister(0, "%mm0");
49 MM1 = new X86MMXRegister(1, "%mm1");
50 MM2 = new X86MMXRegister(2, "%mm2");
51 MM3 = new X86MMXRegister(3, "%mm3");
52 MM4 = new X86MMXRegister(4, "%mm4");
53 MM5 = new X86MMXRegister(5, "%mm5");
54 MM6 = new X86MMXRegister(6, "%mm6");
55 MM7 = new X86MMXRegister(7, "%mm7");
56
57 mmxRegisters = (new X86MMXRegister[] {
58 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7
59 });
60 }
61
62 public static int getNumberOfRegisters() {
63 return NUM_MMX_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_MMX_REGISTERS, "invalid MMX register number!");
70 }
71 return mmxRegisters[regNum].toString();
72 }
73
74 public static X86MMXRegister getRegister(int regNum) {
75 if (Assert.ASSERTS_ENABLED) {
76 Assert.that(regNum > -1 && regNum < NUM_MMX_REGISTERS, "invalid MMX register number!");
77 }
78 return mmxRegisters[regNum];
79 }
80 }