Mercurial > hg > graal-jvmci-8
comparison graal/Compiler/src/com/sun/c1x/ir/UnsafeObjectOp.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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2506:4a3bf8a5bf41 | 2507:9ec15d6914ca |
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1 /* | |
2 * Copyright (c) 2009, 2010, 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.c1x.ir; | |
24 | |
25 import com.sun.cri.ci.*; | |
26 | |
27 /** | |
28 * The {@code UnsafeObjectOp} class is the base of all unsafe object instructions. | |
29 * | |
30 * @author Ben L. Titzer | |
31 */ | |
32 public abstract class UnsafeObjectOp extends UnsafeOp { | |
33 | |
34 Value object; | |
35 Value offset; | |
36 final boolean isVolatile; | |
37 | |
38 /** | |
39 * Creates a new UnsafeObjectOp instruction. | |
40 * @param opKind the kind of the operation | |
41 * @param object the instruction generating the object | |
42 * @param offset the instruction generating the index | |
43 * @param isStore {@code true} if this is a store operation | |
44 * @param isVolatile {@code true} if the operation is volatile | |
45 */ | |
46 public UnsafeObjectOp(CiKind opKind, Value object, Value offset, boolean isStore, boolean isVolatile) { | |
47 super(opKind, isStore); | |
48 this.object = object; | |
49 this.offset = offset; | |
50 this.isVolatile = isVolatile; | |
51 } | |
52 | |
53 /** | |
54 * Gets the instruction that generates the object. | |
55 * @return the instruction that produces the object | |
56 */ | |
57 public Value object() { | |
58 return object; | |
59 } | |
60 | |
61 /** | |
62 * Gets the instruction that generates the offset. | |
63 * @return the instruction generating the offset | |
64 */ | |
65 public Value offset() { | |
66 return offset; | |
67 } | |
68 | |
69 /** | |
70 * Checks whether this is a volatile operation. | |
71 * @return {@code true} if this operation is volatile | |
72 */ | |
73 public boolean isVolatile() { | |
74 return isVolatile; | |
75 } | |
76 | |
77 /** | |
78 * Iterates over the input values of this instruction. | |
79 * @param closure the closure to apply | |
80 */ | |
81 @Override | |
82 public void inputValuesDo(ValueClosure closure) { | |
83 super.inputValuesDo(closure); | |
84 object = closure.apply(object); | |
85 offset = closure.apply(offset); | |
86 } | |
87 } |