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comparison agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86FloatRegisters.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 2002-2003 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.Assert;
28
29 public class X86FloatRegisters {
30
31 public static int getNumRegisters() {
32 return NUM_REGISTERS;
33 }
34
35 public static X86FloatRegister getRegister(int regNum) {
36 if (Assert.ASSERTS_ENABLED) {
37 Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid float register number!");
38 }
39 return registers[regNum];
40 }
41
42 public static String getRegisterName(int i) {
43 return "ST(" + i + ")";
44 }
45
46 public static final X86FloatRegister ST0;
47 public static final X86FloatRegister ST1;
48 public static final X86FloatRegister ST2;
49 public static final X86FloatRegister ST3;
50 public static final X86FloatRegister ST4;
51 public static final X86FloatRegister ST5;
52 public static final X86FloatRegister ST6;
53 public static final X86FloatRegister ST7;
54
55 public static final int NUM_REGISTERS = 8;
56
57 private static final X86FloatRegister registers[];
58
59 static {
60 ST0 = new X86FloatRegister(0);
61 ST1 = new X86FloatRegister(1);
62 ST2 = new X86FloatRegister(2);
63 ST3 = new X86FloatRegister(3);
64 ST4 = new X86FloatRegister(4);
65 ST5 = new X86FloatRegister(5);
66 ST6 = new X86FloatRegister(6);
67 ST7 = new X86FloatRegister(7);
68 registers = (new X86FloatRegister[] {
69 ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7
70 });
71 }
72 }