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annotate graal/GraalCompiler/src/com/sun/c1x/ir/UnsafeObjectOp.java @ 2509:16b9a8b5ad39

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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/UnsafeObjectOp.java@9ec15d6914ca
children
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1 /*
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2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.c1x.ir;
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24
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25 import com.sun.cri.ci.*;
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26
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27 /**
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28 * The {@code UnsafeObjectOp} class is the base of all unsafe object instructions.
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29 *
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30 * @author Ben L. Titzer
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31 */
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32 public abstract class UnsafeObjectOp extends UnsafeOp {
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33
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34 Value object;
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35 Value offset;
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36 final boolean isVolatile;
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37
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38 /**
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39 * Creates a new UnsafeObjectOp instruction.
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40 * @param opKind the kind of the operation
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41 * @param object the instruction generating the object
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42 * @param offset the instruction generating the index
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43 * @param isStore {@code true} if this is a store operation
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44 * @param isVolatile {@code true} if the operation is volatile
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45 */
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46 public UnsafeObjectOp(CiKind opKind, Value object, Value offset, boolean isStore, boolean isVolatile) {
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47 super(opKind, isStore);
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48 this.object = object;
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49 this.offset = offset;
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50 this.isVolatile = isVolatile;
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51 }
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52
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53 /**
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54 * Gets the instruction that generates the object.
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55 * @return the instruction that produces the object
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56 */
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57 public Value object() {
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58 return object;
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59 }
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60
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61 /**
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62 * Gets the instruction that generates the offset.
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63 * @return the instruction generating the offset
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64 */
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65 public Value offset() {
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66 return offset;
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67 }
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68
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69 /**
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70 * Checks whether this is a volatile operation.
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71 * @return {@code true} if this operation is volatile
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72 */
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73 public boolean isVolatile() {
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74 return isVolatile;
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75 }
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76
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77 /**
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78 * Iterates over the input values of this instruction.
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79 * @param closure the closure to apply
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80 */
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81 @Override
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82 public void inputValuesDo(ValueClosure closure) {
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83 super.inputValuesDo(closure);
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84 object = closure.apply(object);
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85 offset = closure.apply(offset);
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86 }
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87 }