Mercurial > hg > graal-compiler
comparison graal/GraalCompiler/src/com/sun/c1x/ir/StoreField.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/ir/StoreField.java@9ec15d6914ca |
children | e1ba5a93e997 |
comparison
equal
deleted
inserted
replaced
2508:fea94949e0a2 | 2509:16b9a8b5ad39 |
---|---|
1 /* | |
2 * Copyright (c) 2009, 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.c1x.ir; | |
24 | |
25 import com.sun.c1x.debug.*; | |
26 import com.sun.c1x.value.*; | |
27 import com.sun.cri.ci.*; | |
28 import com.sun.cri.ri.*; | |
29 | |
30 /** | |
31 * The {@code StoreField} instruction represents a write to a static or instance field. | |
32 * | |
33 * @author Ben L. Titzer | |
34 */ | |
35 public final class StoreField extends AccessField { | |
36 | |
37 /** | |
38 * The value to store. | |
39 */ | |
40 Value value; | |
41 | |
42 /** | |
43 * Creates a new LoadField instance. | |
44 * @param object the receiver object | |
45 * @param field the compiler interface field | |
46 * @param value the instruction representing the value to store to the field | |
47 * @param isStatic indicates if the field is static | |
48 * @param stateBefore the state before the field access | |
49 * @param isLoaded indicates if the class is loaded | |
50 */ | |
51 public StoreField(Value object, RiField field, Value value, boolean isStatic, FrameState stateBefore, boolean isLoaded) { | |
52 super(CiKind.Void, object, field, isStatic, stateBefore, isLoaded); | |
53 this.value = value; | |
54 setFlag(Flag.LiveStore); | |
55 if (value.kind != CiKind.Object) { | |
56 setFlag(Flag.NoWriteBarrier); | |
57 } | |
58 } | |
59 | |
60 /** | |
61 * Gets the value that is written to the field. | |
62 * @return the value | |
63 */ | |
64 public Value value() { | |
65 return value; | |
66 } | |
67 | |
68 /** | |
69 * Checks whether this instruction needs a write barrier. | |
70 * @return {@code true} if this instruction needs a write barrier | |
71 */ | |
72 public boolean needsWriteBarrier() { | |
73 return !checkFlag(Flag.NoWriteBarrier); | |
74 } | |
75 | |
76 @Override | |
77 public void inputValuesDo(ValueClosure closure) { | |
78 super.inputValuesDo(closure); | |
79 value = closure.apply(value); | |
80 } | |
81 | |
82 @Override | |
83 public void accept(ValueVisitor v) { | |
84 v.visitStoreField(this); | |
85 } | |
86 | |
87 @Override | |
88 public void print(LogStream out) { | |
89 out.print(object()). | |
90 print("."). | |
91 print(field().name()). | |
92 print(" := "). | |
93 print(value()). | |
94 print(" [type: ").print(CiUtil.format("%h.%n:%t", field(), false)). | |
95 print(']'); | |
96 } | |
97 } |