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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotSuitesProvider.java @ 21526:1da7aef31a08

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created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 19 May 2015 23:16:07 +0200
parents 0457430979a5
children 93c50cefb9e8
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1 /*
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2 * Copyright (c) 2015, 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.hotspot.meta;
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24
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25 import static com.oracle.graal.compiler.common.GraalOptions.*;
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26
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27 import com.oracle.graal.graphbuilderconf.*;
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28 import com.oracle.graal.graphbuilderconf.GraphBuilderConfiguration.*;
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29 import com.oracle.graal.hotspot.*;
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30 import com.oracle.graal.hotspot.jvmci.*;
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31 import com.oracle.graal.hotspot.phases.*;
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32 import com.oracle.graal.java.*;
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33 import com.oracle.graal.lir.phases.*;
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34 import com.oracle.graal.nodes.*;
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35 import com.oracle.graal.nodes.StructuredGraph.*;
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36 import com.oracle.graal.options.*;
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37 import com.oracle.graal.options.DerivedOptionValue.OptionSupplier;
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38 import com.oracle.graal.phases.*;
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39 import com.oracle.graal.phases.tiers.*;
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40
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41 /**
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42 * HotSpot implementation of {@link SuitesProvider}.
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43 */
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44 public class HotSpotSuitesProvider implements SuitesProvider {
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45
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46 protected final DerivedOptionValue<Suites> defaultSuites;
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47 protected final PhaseSuite<HighTierContext> defaultGraphBuilderSuite;
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48 private final DerivedOptionValue<LIRSuites> defaultLIRSuites;
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49 protected final HotSpotGraalRuntimeProvider runtime;
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50
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51 private class SuitesSupplier implements OptionSupplier<Suites> {
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52
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53 private static final long serialVersionUID = -3444304453553320390L;
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54
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55 public Suites get() {
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56 return createSuites();
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57 }
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58
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59 }
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60
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61 private class LIRSuitesSupplier implements OptionSupplier<LIRSuites> {
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62
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63 private static final long serialVersionUID = -1558586374095874299L;
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64
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65 public LIRSuites get() {
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66 return createLIRSuites();
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67 }
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68
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69 }
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70
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71 public HotSpotSuitesProvider(HotSpotGraalRuntimeProvider runtime, Plugins plugins) {
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72 this.runtime = runtime;
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73 this.defaultGraphBuilderSuite = createGraphBuilderSuite(plugins);
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74 this.defaultSuites = new DerivedOptionValue<>(new SuitesSupplier());
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75 this.defaultLIRSuites = new DerivedOptionValue<>(new LIRSuitesSupplier());
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76 }
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77
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78 public Suites getDefaultSuites() {
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79 return defaultSuites.getValue();
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80 }
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81
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82 public PhaseSuite<HighTierContext> getDefaultGraphBuilderSuite() {
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83 return defaultGraphBuilderSuite;
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84 }
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85
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86 public Suites createSuites() {
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87 Suites ret = Suites.createDefaultSuites();
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88
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89 if (ImmutableCode.getValue()) {
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90 // lowering introduces class constants, therefore it must be after lowering
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91 ret.getHighTier().appendPhase(new LoadJavaMirrorWithKlassPhase(runtime.getConfig().classMirrorOffset, runtime.getConfig().useCompressedOops ? runtime.getConfig().getOopEncoding() : null));
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92 if (VerifyPhases.getValue()) {
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93 ret.getHighTier().appendPhase(new AheadOfTimeVerificationPhase());
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94 }
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95 }
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96
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97 ret.getMidTier().appendPhase(new WriteBarrierAdditionPhase(runtime.getConfig()));
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98 if (VerifyPhases.getValue()) {
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99 ret.getMidTier().appendPhase(new WriteBarrierVerificationPhase());
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100 }
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101
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102 return ret;
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103 }
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104
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105 protected PhaseSuite<HighTierContext> createGraphBuilderSuite(Plugins plugins) {
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106 PhaseSuite<HighTierContext> suite = new PhaseSuite<>();
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107 GraphBuilderConfiguration config = GraphBuilderConfiguration.getDefault(plugins);
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108 suite.appendPhase(new GraphBuilderPhase(config));
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109 assert appendGraphEncoderTest(suite);
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110 return suite;
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111 }
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112
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113 /**
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114 * When assertions are enabled, we encode and decode every parsed graph, to ensure that the
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115 * encoding and decoding process work correctly. The decoding performs canonicalization during
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116 * decoding, so the decoded graph can be different than the encoded graph - we cannot check them
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117 * for equality here. However, the encoder {@link GraphEncoder#verifyEncoding verifies the
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118 * encoding itself}, i.e., performs a decoding without canoncialization and checks the graphs
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119 * for equality.
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120 */
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121 private boolean appendGraphEncoderTest(PhaseSuite<HighTierContext> suite) {
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122 suite.appendPhase(new BasePhase<HighTierContext>("VerifyEncodingDecoding") {
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123 @Override
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124 protected void run(StructuredGraph graph, HighTierContext context) {
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125 EncodedGraph encodedGraph = GraphEncoder.encodeSingleGraph(graph, runtime.getTarget().arch);
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126
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127 SimplifyingGraphDecoder graphDecoder = new SimplifyingGraphDecoder(context.getMetaAccess(), context.getConstantReflection(), context.getStampProvider(), !ImmutableCode.getValue(),
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128 runtime.getTarget().arch);
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129 StructuredGraph targetGraph = new StructuredGraph(graph.method(), AllowAssumptions.YES);
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130 graphDecoder.decode(targetGraph, encodedGraph);
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131 }
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132 });
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133 return true;
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134 }
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135
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136 /**
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137 * Modifies the {@link GraphBuilderConfiguration} to build extra
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138 * {@linkplain DebugInfoMode#Simple debug info} if the VM
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139 * {@linkplain CompilerToVM#shouldDebugNonSafepoints() requests} it.
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140 *
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141 * @param gbs the current graph builder suite
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142 * @return a possibly modified graph builder suite
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143 */
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144 public static PhaseSuite<HighTierContext> withSimpleDebugInfoIfRequested(PhaseSuite<HighTierContext> gbs) {
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145 if (HotSpotGraalRuntime.runtime().getCompilerToVM().shouldDebugNonSafepoints()) {
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146 PhaseSuite<HighTierContext> newGbs = gbs.copy();
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147 GraphBuilderPhase graphBuilderPhase = (GraphBuilderPhase) newGbs.findPhase(GraphBuilderPhase.class).previous();
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148 GraphBuilderConfiguration graphBuilderConfig = graphBuilderPhase.getGraphBuilderConfig();
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149 GraphBuilderPhase newGraphBuilderPhase = new GraphBuilderPhase(graphBuilderConfig.withDebugInfoMode(DebugInfoMode.Simple));
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150 newGbs.findPhase(GraphBuilderPhase.class).set(newGraphBuilderPhase);
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151 return newGbs;
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152 }
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153 return gbs;
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154 }
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155
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156 public LIRSuites getDefaultLIRSuites() {
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157 return defaultLIRSuites.getValue();
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158 }
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159
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160 public LIRSuites createLIRSuites() {
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161 LIRSuites suites = Suites.createDefaultLIRSuites();
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162 String profileInstructions = HotSpotBackend.Options.ASMInstructionProfiling.getValue();
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163 if (profileInstructions != null) {
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164 suites.getPostAllocationOptimizationStage().appendPhase(new HotSpotInstructionProfiling(profileInstructions));
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165 }
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166 return suites;
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167 }
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168 }