Mercurial > hg > truffle
comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ImmediateArgument.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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3732:3e2e8b8abdaf | 3733:e233f5660da4 |
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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.gen; | |
24 | |
25 import com.sun.max.asm.*; | |
26 import com.sun.max.lang.*; | |
27 import com.sun.max.program.*; | |
28 | |
29 /** | |
30 */ | |
31 public abstract class ImmediateArgument implements Argument { | |
32 | |
33 public static ImmediateArgument create(long value, WordWidth width) { | |
34 switch (width) { | |
35 case BITS_8: | |
36 return new Immediate8Argument((byte) value); | |
37 case BITS_16: | |
38 return new Immediate16Argument((short) value); | |
39 case BITS_32: | |
40 return new Immediate32Argument((int) value); | |
41 case BITS_64: | |
42 return new Immediate64Argument(value); | |
43 default: | |
44 throw ProgramError.unknownCase(); | |
45 } | |
46 } | |
47 | |
48 public ImmediateArgument plus(ImmediateArgument addend) { | |
49 return create(asLong() + addend.asLong(), width()); | |
50 } | |
51 | |
52 public ImmediateArgument plus(long addend) { | |
53 return create(asLong() + addend, width()); | |
54 } | |
55 | |
56 public ImmediateArgument minus(ImmediateArgument addend) { | |
57 return create(asLong() - addend.asLong(), width()); | |
58 } | |
59 | |
60 public ImmediateArgument minus(long addend) { | |
61 return create(asLong() - addend, width()); | |
62 } | |
63 | |
64 public abstract WordWidth width(); | |
65 | |
66 public abstract String signedExternalValue(); | |
67 | |
68 public abstract Object boxedJavaValue(); | |
69 | |
70 @Override | |
71 public final String toString() { | |
72 return "<" + getClass().getSimpleName() + ": " + externalValue() + ">"; | |
73 } | |
74 | |
75 } |