Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/ir/RegisterFinalizer.java @ 2703:42450f536d24
More cleanup towards separation of graphbuilding<>graph<>lirgeneration
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 18 May 2011 17:04:47 +0200 |
parents | d8601d421b96 |
children | bd17ac598c6e |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 2011, 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.oracle.graal.graph.*; |
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26 import com.sun.c1x.debug.*; |
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27 import com.sun.c1x.value.*; |
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28 import com.sun.cri.ci.*; |
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29 |
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30 /** |
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31 * This instruction is used to perform the finalizer registration at the end of the java.lang.Object constructor. |
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32 */ |
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33 public class RegisterFinalizer extends StateSplit { |
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34 |
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35 private static final int INPUT_COUNT = 1; |
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36 private static final int INPUT_OBJECT = 0; |
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37 |
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38 private static final int SUCCESSOR_COUNT = 0; |
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39 |
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40 @Override |
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41 protected int inputCount() { |
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42 return super.inputCount() + INPUT_COUNT; |
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43 } |
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44 |
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45 @Override |
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46 protected int successorCount() { |
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47 return super.successorCount() + SUCCESSOR_COUNT; |
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48 } |
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49 |
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50 /** |
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51 * The instruction that produces the object whose finalizer should be registered. |
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52 */ |
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53 public Value object() { |
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54 return (Value) inputs().get(super.inputCount() + INPUT_OBJECT); |
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55 } |
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56 |
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57 public Value setObject(Value n) { |
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58 return (Value) inputs().set(super.inputCount() + INPUT_OBJECT, n); |
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59 } |
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60 |
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61 public RegisterFinalizer(Value object, FrameState stateBefore, Graph graph) { |
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62 super(CiKind.Void, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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63 setObject(object); |
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64 setStateBefore(stateBefore); |
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65 } |
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66 |
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67 @Override |
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68 public void accept(ValueVisitor v) { |
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69 v.visitRegisterFinalizer(this); |
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70 } |
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71 |
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72 @Override |
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73 public void print(LogStream out) { |
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74 out.print("register finalizer ").print(object()); |
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75 } |
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76 } |