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comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/amd64/AMD64GeneralRegister16.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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children bc8527f3071c
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2007, 2011, 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 package com.sun.max.asm.amd64;
24
25 import com.sun.max.asm.x86.*;
26 import com.sun.max.lang.*;
27 import com.sun.max.util.*;
28
29 /**
30 */
31 public enum AMD64GeneralRegister16 implements GeneralRegister<AMD64GeneralRegister16> {
32
33 // Note: keep the order such that 'value()' can rely on ordinals:
34
35 AX, CX, DX, BX, SP, BP, SI, DI, R8W, R9W, R10W, R11W, R12W, R13W, R14W, R15W;
36
37 public static final Enumerator<AMD64GeneralRegister16> ENUMERATOR = new Enumerator<AMD64GeneralRegister16>(AMD64GeneralRegister16.class);
38
39 public static AMD64GeneralRegister16 from(GeneralRegister generalRegister) {
40 return ENUMERATOR.get(generalRegister.id());
41 }
42
43 public WordWidth width() {
44 return WordWidth.BITS_16;
45 }
46
47 public int value() {
48 return ordinal();
49 }
50
51 public int id() {
52 return ordinal();
53 }
54
55 public long asLong() {
56 return value();
57 }
58
59 public String externalValue() {
60 return "%" + name().toLowerCase();
61 }
62
63 public String disassembledValue() {
64 return name().toLowerCase();
65 }
66
67 public Enumerator<AMD64GeneralRegister16> enumerator() {
68 return ENUMERATOR;
69 }
70
71 public AMD64GeneralRegister16 exampleValue() {
72 return AX;
73 }
74 }