Mercurial > hg > graal-jvmci-8
annotate 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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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 } |