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annotate graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectStoreNode.java @ 8436:10293cbfc2b6

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wrote implementations for node intrinsics so that they can be interpreted when a method substitution is deoptimized and added unit tests to ensure existing method substitutions can run interpreted
author Doug Simon <doug.simon@oracle.com>
date Fri, 22 Mar 2013 11:19:53 +0100
parents 102b5249e97e
children 2ffd472c5d25
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1 /*
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2 * Copyright (c) 2012, 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.oracle.graal.replacements.nodes;
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24
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25 import static com.oracle.graal.graph.UnsafeAccess.*;
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26
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27 import com.oracle.graal.api.meta.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.nodes.extended.*;
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30 import com.oracle.graal.nodes.spi.*;
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31 import com.oracle.graal.nodes.type.*;
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32
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33 /**
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34 * A special purpose store node that differs from {@link UnsafeStoreNode} in that it is not a
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35 * {@link StateSplit} and takes a computed address instead of an object.
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36 */
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37 public class DirectStoreNode extends FixedWithNextNode implements LIRLowerable {
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38
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39 @Input private ValueNode address;
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40 @Input private ValueNode value;
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41 private final Kind kind;
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42
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43 public DirectStoreNode(ValueNode address, ValueNode value, Kind kind) {
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44 super(StampFactory.forVoid());
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45 this.address = address;
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46 this.value = value;
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47 this.kind = kind;
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48 }
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49
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50 @Override
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51 public void generate(LIRGeneratorTool gen) {
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52 Value v = gen.operand(value);
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53 gen.emitStore(kind, gen.operand(address), 0, Value.ILLEGAL, 0, v, false);
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54 }
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55
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56 /*
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57 * The kind of the store is provided explicitly in these intrinsics because it is not always
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58 * possible to determine the kind from the given value during compilation (because stack kinds
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59 * are used).
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60 */
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61
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62 @SuppressWarnings("unused")
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63 @NodeIntrinsic
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64 public static void store(long address, boolean value, @ConstantNodeParameter Kind kind) {
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65 int b = value ? 1 : 0;
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66 unsafe.putByte(address, (byte) b);
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67 }
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68
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69 @SuppressWarnings("unused")
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70 @NodeIntrinsic
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71 public static void store(long address, byte value, @ConstantNodeParameter Kind kind) {
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72 unsafe.putByte(address, value);
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73 }
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74
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75 @SuppressWarnings("unused")
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76 @NodeIntrinsic
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77 public static void store(long address, short value, @ConstantNodeParameter Kind kind) {
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78 unsafe.putShort(address, value);
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79 }
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80
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81 @SuppressWarnings("unused")
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82 @NodeIntrinsic
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83 public static void store(long address, char value, @ConstantNodeParameter Kind kind) {
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84 unsafe.putChar(address, value);
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85 }
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86
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87 @SuppressWarnings("unused")
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88 @NodeIntrinsic
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89 public static void store(long address, int value, @ConstantNodeParameter Kind kind) {
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90 unsafe.putInt(address, value);
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91 }
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92
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93 @SuppressWarnings("unused")
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94 @NodeIntrinsic
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95 public static void store(long address, long value, @ConstantNodeParameter Kind kind) {
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96 unsafe.putLong(address, value);
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97 }
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98
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99 @SuppressWarnings("unused")
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100 @NodeIntrinsic
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101 public static void store(long address, float value, @ConstantNodeParameter Kind kind) {
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102 unsafe.putFloat(address, value);
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103 }
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104
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105 @SuppressWarnings("unused")
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106 @NodeIntrinsic
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107 public static void store(long address, double value, @ConstantNodeParameter Kind kind) {
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108 unsafe.putDouble(address, value);
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109 }
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110 }