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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/DefaultHotSpotLoweringProvider.java @ 18699:08b17b738500

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Add hooks for verifying heap from generated code
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 16 Dec 2014 13:36:16 -0800
parents d138867d61c4
children ab9d3ff6829b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 2014, 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.api.meta.LocationIdentity.*;
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26 import static com.oracle.graal.compiler.common.GraalOptions.*;
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27 import static com.oracle.graal.hotspot.meta.HotSpotForeignCallsProviderImpl.*;
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28 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
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29 import static com.oracle.graal.hotspot.replacements.NewObjectSnippets.*;
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30
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31 import java.lang.ref.*;
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32
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.compiler.common.*;
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36 import com.oracle.graal.compiler.common.type.*;
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37 import com.oracle.graal.graph.*;
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38 import com.oracle.graal.hotspot.*;
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39 import com.oracle.graal.hotspot.debug.*;
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40 import com.oracle.graal.hotspot.nodes.*;
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41 import com.oracle.graal.hotspot.nodes.type.*;
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42 import com.oracle.graal.hotspot.replacements.*;
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43 import com.oracle.graal.hotspot.replacements.arraycopy.*;
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44 import com.oracle.graal.java.*;
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45 import com.oracle.graal.nodes.*;
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46 import com.oracle.graal.nodes.CallTargetNode.InvokeKind;
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47 import com.oracle.graal.nodes.HeapAccess.BarrierType;
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48 import com.oracle.graal.nodes.calc.*;
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49 import com.oracle.graal.nodes.debug.*;
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50 import com.oracle.graal.nodes.extended.*;
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51 import com.oracle.graal.nodes.java.*;
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52 import com.oracle.graal.nodes.spi.*;
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53 import com.oracle.graal.nodes.type.*;
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54 import com.oracle.graal.replacements.*;
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55 import com.oracle.graal.replacements.nodes.*;
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56
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57 /**
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58 * HotSpot implementation of {@link LoweringProvider}.
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59 */
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60 public class DefaultHotSpotLoweringProvider extends DefaultJavaLoweringProvider implements HotSpotLoweringProvider {
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61
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62 protected final HotSpotGraalRuntimeProvider runtime;
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63 protected final ForeignCallsProvider foreignCalls;
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64 protected final HotSpotRegistersProvider registers;
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65
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66 protected CheckCastDynamicSnippets.Templates checkcastDynamicSnippets;
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67 protected InstanceOfSnippets.Templates instanceofSnippets;
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68 protected NewObjectSnippets.Templates newObjectSnippets;
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69 protected MonitorSnippets.Templates monitorSnippets;
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70 protected WriteBarrierSnippets.Templates writeBarrierSnippets;
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71 protected LoadExceptionObjectSnippets.Templates exceptionObjectSnippets;
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72 protected UnsafeLoadSnippets.Templates unsafeLoadSnippets;
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73 protected AssertionSnippets.Templates assertionSnippets;
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74
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75 public DefaultHotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers,
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76 TargetDescription target) {
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77 super(metaAccess, target);
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78 this.runtime = runtime;
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79 this.foreignCalls = foreignCalls;
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80 this.registers = registers;
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81 }
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82
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83 public void initialize(HotSpotProviders providers, HotSpotVMConfig config) {
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84 super.initialize(providers, providers.getSnippetReflection());
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85
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86 assert target == providers.getCodeCache().getTarget();
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87 checkcastDynamicSnippets = new CheckCastDynamicSnippets.Templates(providers, target);
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88 instanceofSnippets = new InstanceOfSnippets.Templates(providers, target, config.compileThreshold);
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89 newObjectSnippets = new NewObjectSnippets.Templates(providers, target);
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90 monitorSnippets = new MonitorSnippets.Templates(providers, target, config.useFastLocking);
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91 writeBarrierSnippets = new WriteBarrierSnippets.Templates(providers, target, config.useCompressedOops ? config.getOopEncoding() : null);
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92 exceptionObjectSnippets = new LoadExceptionObjectSnippets.Templates(providers, target);
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93 unsafeLoadSnippets = new UnsafeLoadSnippets.Templates(providers, target);
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94 assertionSnippets = new AssertionSnippets.Templates(providers, target);
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95 providers.getReplacements().registerSnippetTemplateCache(new UnsafeArrayCopySnippets.Templates(providers, target));
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96 }
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97
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98 @Override
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99 public void lower(Node n, LoweringTool tool) {
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100 StructuredGraph graph = (StructuredGraph) n.graph();
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101
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102 if (n instanceof Invoke) {
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103 lowerInvoke((Invoke) n, tool, graph);
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104 } else if (n instanceof LoadMethodNode) {
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105 lowerLoadMethodNode((LoadMethodNode) n);
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106 } else if (n instanceof StoreHubNode) {
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107 lowerStoreHubNode((StoreHubNode) n, graph);
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108 } else if (n instanceof OSRStartNode) {
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109 lowerOSRStartNode((OSRStartNode) n);
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110 } else if (n instanceof DynamicCounterNode) {
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111 lowerDynamicCounterNode((DynamicCounterNode) n);
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112 } else if (n instanceof BytecodeExceptionNode) {
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113 lowerBytecodeExceptionNode((BytecodeExceptionNode) n);
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114 } else if (n instanceof CheckCastDynamicNode) {
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115 checkcastDynamicSnippets.lower((CheckCastDynamicNode) n, tool);
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116 } else if (n instanceof InstanceOfNode) {
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117 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS) {
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118 instanceofSnippets.lower((InstanceOfNode) n, tool);
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119 }
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120 } else if (n instanceof InstanceOfDynamicNode) {
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121 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS) {
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122 instanceofSnippets.lower((InstanceOfDynamicNode) n, tool);
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123 }
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124 } else if (n instanceof NewInstanceNode) {
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125 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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126 newObjectSnippets.lower((NewInstanceNode) n, registers, tool);
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127 }
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128 } else if (n instanceof DynamicNewInstanceNode) {
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129 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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130 newObjectSnippets.lower((DynamicNewInstanceNode) n, registers, tool);
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131 }
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132 } else if (n instanceof NewArrayNode) {
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diff changeset
133 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
18515
8b87897f5b42 introduced HotSpotGraalRuntimeProvder interface
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diff changeset
134 newObjectSnippets.lower((NewArrayNode) n, registers, runtime, tool);
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135 }
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136 } else if (n instanceof DynamicNewArrayNode) {
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diff changeset
137 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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diff changeset
138 newObjectSnippets.lower((DynamicNewArrayNode) n, registers, tool);
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139 }
18699
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18649
diff changeset
140 } else if (n instanceof VerifyHeapNode) {
08b17b738500 Add hooks for verifying heap from generated code
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diff changeset
141 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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diff changeset
142 newObjectSnippets.lower((VerifyHeapNode) n, registers, runtime, tool);
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143 }
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144 } else if (n instanceof MonitorEnterNode) {
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diff changeset
145 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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diff changeset
146 monitorSnippets.lower((MonitorEnterNode) n, registers, tool);
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147 }
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148 } else if (n instanceof MonitorExitNode) {
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149 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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150 monitorSnippets.lower((MonitorExitNode) n, tool);
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151 }
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152 } else if (n instanceof G1PreWriteBarrier) {
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153 writeBarrierSnippets.lower((G1PreWriteBarrier) n, registers, tool);
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154 } else if (n instanceof G1PostWriteBarrier) {
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diff changeset
155 writeBarrierSnippets.lower((G1PostWriteBarrier) n, registers, tool);
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156 } else if (n instanceof G1ReferentFieldReadBarrier) {
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diff changeset
157 writeBarrierSnippets.lower((G1ReferentFieldReadBarrier) n, registers, tool);
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158 } else if (n instanceof SerialWriteBarrier) {
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diff changeset
159 writeBarrierSnippets.lower((SerialWriteBarrier) n, tool);
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160 } else if (n instanceof SerialArrayRangeWriteBarrier) {
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diff changeset
161 writeBarrierSnippets.lower((SerialArrayRangeWriteBarrier) n, tool);
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162 } else if (n instanceof G1ArrayRangePreWriteBarrier) {
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diff changeset
163 writeBarrierSnippets.lower((G1ArrayRangePreWriteBarrier) n, registers, tool);
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164 } else if (n instanceof G1ArrayRangePostWriteBarrier) {
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diff changeset
165 writeBarrierSnippets.lower((G1ArrayRangePostWriteBarrier) n, registers, tool);
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parents: 16166
diff changeset
166 } else if (n instanceof NewMultiArrayNode) {
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parents: 16166
diff changeset
167 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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diff changeset
168 newObjectSnippets.lower((NewMultiArrayNode) n, tool);
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169 }
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170 } else if (n instanceof LoadExceptionObjectNode) {
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diff changeset
171 exceptionObjectSnippets.lower((LoadExceptionObjectNode) n, registers, tool);
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172 } else if (n instanceof AssertionNode) {
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diff changeset
173 assertionSnippets.lower((AssertionNode) n, tool);
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174 } else if (n instanceof IntegerDivNode || n instanceof IntegerRemNode || n instanceof UnsignedDivNode || n instanceof UnsignedRemNode) {
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175 // Nothing to do for division nodes. The HotSpot signal handler catches divisions by
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diff changeset
176 // zero and the MIN_VALUE / -1 cases.
17200
56458afc02a3 Use common nodes for integer and floating point arithmetic.
Roland Schatz <roland.schatz@oracle.com>
parents: 17129
diff changeset
177 } else if (n instanceof AbstractDeoptimizeNode || n instanceof UnwindNode || n instanceof RemNode) {
16328
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178 /* No lowering, we generate LIR directly for these nodes. */
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179 } else {
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180 super.lower(n, tool);
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181 }
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182 }
14945
b14cb2d9253d Make compression and uncompression explicit in the high level graph.
Roland Schatz <roland.schatz@oracle.com>
parents: 14863
diff changeset
183
16328
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diff changeset
184 private void lowerInvoke(Invoke invoke, LoweringTool tool, StructuredGraph graph) {
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185 if (invoke.callTarget() instanceof MethodCallTargetNode) {
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diff changeset
186 MethodCallTargetNode callTarget = (MethodCallTargetNode) invoke.callTarget();
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187 NodeInputList<ValueNode> parameters = callTarget.arguments();
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188 ValueNode receiver = parameters.size() <= 0 ? null : parameters.get(0);
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189 GuardingNode receiverNullCheck = null;
18490
ca81508f2a19 Generalize NULL handling to work on arbitrary pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 18487
diff changeset
190 if (!callTarget.isStatic() && receiver.stamp() instanceof ObjectStamp && !StampTool.isPointerNonNull(receiver)) {
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diff changeset
191 receiverNullCheck = createNullCheck(receiver, invoke.asNode(), tool);
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192 invoke.setGuard(receiverNullCheck);
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193 }
16484
27f2ee618883 moved signatureToTypes(Signature signature, JavaType receiverType) from MetaUtil to be a default method in Signature
Doug Simon <doug.simon@oracle.com>
parents: 16330
diff changeset
194 JavaType[] signature = callTarget.targetMethod().getSignature().toParameterTypes(callTarget.isStatic() ? null : callTarget.targetMethod().getDeclaringClass());
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195
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196 LoweredCallTargetNode loweredCallTarget = null;
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197 boolean isVirtualOrInterface = callTarget.invokeKind() == InvokeKind.Virtual || callTarget.invokeKind() == InvokeKind.Interface;
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198 if (InlineVTableStubs.getValue() && isVirtualOrInterface && (AlwaysInlineVTableStubs.getValue() || invoke.isPolymorphic())) {
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199 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod();
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200 ResolvedJavaType receiverType = invoke.getReceiverType();
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diff changeset
201 if (hsMethod.isInVirtualMethodTable(receiverType)) {
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202 Kind wordKind = runtime.getTarget().wordKind;
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diff changeset
203 ValueNode hub = createReadHub(graph, receiver, receiverNullCheck);
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diff changeset
204
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
205 ReadNode metaspaceMethod = createReadVirtualMethod(graph, hub, hsMethod, receiverType);
16328
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diff changeset
206 // We use LocationNode.ANY_LOCATION for the reads that access the
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diff changeset
207 // compiled code entry as HotSpot does not guarantee they are final
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Stefan Anzinger <stefan.anzinger@gmail.com>
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diff changeset
208 // values.
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
209 ReadNode compiledEntry = graph.add(ReadNode.create(metaspaceMethod, ConstantLocationNode.create(ANY_LOCATION, runtime.getConfig().methodCompiledEntryOffset, graph),
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diff changeset
210 StampFactory.forKind(wordKind), BarrierType.NONE));
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diff changeset
211
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16565
diff changeset
212 loweredCallTarget = graph.add(HotSpotIndirectCallTargetNode.create(metaspaceMethod, compiledEntry, parameters, invoke.asNode().stamp(), signature, callTarget.targetMethod(),
16565
2b63e51e7789 Move invokeKind into CallTragetNode from its subclasses
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 16563
diff changeset
213 CallingConvention.Type.JavaCall, callTarget.invokeKind()));
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diff changeset
214
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diff changeset
215 graph.addBeforeFixed(invoke.asNode(), metaspaceMethod);
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diff changeset
216 graph.addAfterFixed(metaspaceMethod, compiledEntry);
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
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217 }
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diff changeset
218 }
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diff changeset
219
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parents: 16166
diff changeset
220 if (loweredCallTarget == null) {
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16565
diff changeset
221 loweredCallTarget = graph.add(HotSpotDirectCallTargetNode.create(parameters, invoke.asNode().stamp(), signature, callTarget.targetMethod(), CallingConvention.Type.JavaCall,
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diff changeset
222 callTarget.invokeKind()));
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
223 }
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diff changeset
224 callTarget.replaceAndDelete(loweredCallTarget);
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225 }
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parents: 16166
diff changeset
226 }
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diff changeset
227
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diff changeset
228 @Override
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parents: 16166
diff changeset
229 protected Stamp loadStamp(Stamp stamp, Kind kind, boolean compressible) {
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diff changeset
230 if (kind == Kind.Object && compressible && runtime.getConfig().useCompressedOops) {
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parents: 16166
diff changeset
231 return NarrowOopStamp.compressed((ObjectStamp) stamp, runtime.getConfig().getOopEncoding());
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diff changeset
232 }
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diff changeset
233 return super.loadStamp(stamp, kind, compressible);
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234 }
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diff changeset
235
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diff changeset
236 @Override
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diff changeset
237 protected ValueNode implicitLoadConvert(StructuredGraph graph, Kind kind, ValueNode value, boolean compressible) {
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diff changeset
238 if (kind == Kind.Object && compressible && runtime.getConfig().useCompressedOops) {
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parents: 16166
diff changeset
239 return CompressionNode.uncompress(value, runtime.getConfig().getOopEncoding());
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diff changeset
240 }
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parents: 16166
diff changeset
241 return super.implicitLoadConvert(graph, kind, value, compressible);
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diff changeset
242 }
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diff changeset
243
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diff changeset
244 @Override
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diff changeset
245 protected ValueNode staticFieldBase(StructuredGraph graph, ResolvedJavaField f) {
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diff changeset
246 HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) f;
18361
6ac7e9c85be6 Split getEncoding into two methods.
Roland Schatz <roland.schatz@oracle.com>
parents: 18264
diff changeset
247 JavaConstant base = field.getDeclaringClass().getJavaClass();
18264
e28aa8468d5e converted HotSpotResolvedJavaField to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
248 return ConstantNode.forConstant(base, metaAccess, graph);
16328
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diff changeset
249 }
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diff changeset
250
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diff changeset
251 @Override
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diff changeset
252 protected ValueNode implicitStoreConvert(StructuredGraph graph, Kind kind, ValueNode value, boolean compressible) {
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diff changeset
253 if (kind == Kind.Object && compressible && runtime.getConfig().useCompressedOops) {
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diff changeset
254 return CompressionNode.compress(value, runtime.getConfig().getOopEncoding());
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diff changeset
255 }
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diff changeset
256 return super.implicitStoreConvert(graph, kind, value, compressible);
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257 }
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258
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259 @Override
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260 protected ValueNode createReadArrayComponentHub(StructuredGraph graph, ValueNode arrayHub, FixedNode anchor) {
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261 LocationNode location = ConstantLocationNode.create(OBJ_ARRAY_KLASS_ELEMENT_KLASS_LOCATION, runtime.getConfig().arrayClassElementOffset, graph);
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262 /*
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263 * Anchor the read of the element klass to the cfg, because it is only valid when arrayClass
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264 * is an object class, which might not be the case in other parts of the compiled method.
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265 */
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f38677340519 Add memory operations to MetaspacePointer
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266 return graph.unique(FloatingReadNode.create(arrayHub, location, null, KlassPointerStamp.klassNonNull(), BeginNode.prevBegin(anchor)));
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267 }
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
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parents:
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268
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269 @Override
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270 protected void lowerUnsafeLoadNode(UnsafeLoadNode load, LoweringTool tool) {
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271 StructuredGraph graph = load.graph();
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272 if (load.getGuardingCondition() == null && graph.getGuardsStage().ordinal() > StructuredGraph.GuardsStage.FLOATING_GUARDS.ordinal() && addReadBarrier(load)) {
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273 unsafeLoadSnippets.lower(load, tool);
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274 } else {
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275 super.lowerUnsafeLoadNode(load, tool);
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276 }
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277 }
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278
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279 private static void lowerLoadMethodNode(LoadMethodNode loadMethodNode) {
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280 StructuredGraph graph = loadMethodNode.graph();
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281 HotSpotResolvedJavaMethod method = (HotSpotResolvedJavaMethod) loadMethodNode.getMethod();
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282 ReadNode metaspaceMethod = createReadVirtualMethod(graph, loadMethodNode.getHub(), method, loadMethodNode.getReceiverType());
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283 graph.replaceFixed(loadMethodNode, metaspaceMethod);
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284 }
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285
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286 private void lowerStoreHubNode(StoreHubNode storeHub, StructuredGraph graph) {
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287 WriteNode hub = createWriteHub(graph, storeHub.getObject(), storeHub.getValue());
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288 graph.replaceFixed(storeHub, hub);
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289 }
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290
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291 @Override
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292 protected BarrierType fieldInitializationBarrier(Kind entryKind) {
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293 return (entryKind == Kind.Object && !runtime.getConfig().useDeferredInitBarriers) ? BarrierType.IMPRECISE : BarrierType.NONE;
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294 }
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295
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296 @Override
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297 protected BarrierType arrayInitializationBarrier(Kind entryKind) {
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298 return (entryKind == Kind.Object && !runtime.getConfig().useDeferredInitBarriers) ? BarrierType.PRECISE : BarrierType.NONE;
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299 }
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300
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301 private void lowerOSRStartNode(OSRStartNode osrStart) {
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302 StructuredGraph graph = osrStart.graph();
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303 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS) {
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06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
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304 StartNode newStart = graph.add(StartNode.create());
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
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305 ParameterNode buffer = graph.unique(ParameterNode.create(0, StampFactory.forKind(runtime.getTarget().wordKind)));
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
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306 ForeignCallNode migrationEnd = graph.add(ForeignCallNode.create(foreignCalls, OSR_MIGRATION_END, buffer));
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307 migrationEnd.setStateAfter(osrStart.stateAfter());
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308
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309 newStart.setNext(migrationEnd);
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310 FixedNode next = osrStart.next();
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311 osrStart.setNext(null);
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312 migrationEnd.setNext(next);
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313 graph.setStart(newStart);
15437
a3f5b484b6b5 Add implicitLoad/StoreConvert functions to HotSpotLoweringProvider interface.
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314
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315 // mirroring the calculations in c1_GraphBuilder.cpp (setup_osr_entry_block)
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316 int localsOffset = (graph.method().getMaxLocals() - 1) * 8;
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317 for (OSRLocalNode osrLocal : graph.getNodes(OSRLocalNode.class)) {
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318 int size = HIRFrameStateBuilder.stackSlots(osrLocal.getKind());
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319 int offset = localsOffset - (osrLocal.index() + size - 1) * 8;
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Roland Schatz <roland.schatz@oracle.com>
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320 IndexedLocationNode location = IndexedLocationNode.create(ANY_LOCATION, offset, ConstantNode.forLong(0, graph), graph, 1);
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diff changeset
321 ReadNode load = graph.add(ReadNode.create(buffer, location, osrLocal.stamp(), BarrierType.NONE));
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322 osrLocal.replaceAndDelete(load);
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323 graph.addBeforeFixed(migrationEnd, load);
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324 }
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325 osrStart.replaceAtUsages(newStart);
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326 osrStart.safeDelete();
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327 }
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328 }
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329
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330 private void lowerDynamicCounterNode(DynamicCounterNode n) {
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331 StructuredGraph graph = n.graph();
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332 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.AFTER_FSA) {
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333 BenchmarkCounters.lower(n, registers, runtime.getConfig(), runtime.getTarget().wordKind);
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334 }
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335 }
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336
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337 static final class Exceptions {
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338 protected static final ArrayIndexOutOfBoundsException cachedArrayIndexOutOfBoundsException;
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339 protected static final NullPointerException cachedNullPointerException;
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340
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341 static {
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342 cachedArrayIndexOutOfBoundsException = new ArrayIndexOutOfBoundsException();
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343 cachedArrayIndexOutOfBoundsException.setStackTrace(new StackTraceElement[0]);
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344 cachedNullPointerException = new NullPointerException();
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345 cachedNullPointerException.setStackTrace(new StackTraceElement[0]);
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346 }
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347 }
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348
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349 public static final class RuntimeCalls {
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350 public static final ForeignCallDescriptor CREATE_NULL_POINTER_EXCEPTION = new ForeignCallDescriptor("createNullPointerException", NullPointerException.class);
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351 public static final ForeignCallDescriptor CREATE_OUT_OF_BOUNDS_EXCEPTION = new ForeignCallDescriptor("createOutOfBoundsException", ArrayIndexOutOfBoundsException.class, int.class);
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352 }
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353
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354 private void lowerBytecodeExceptionNode(BytecodeExceptionNode node) {
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355 StructuredGraph graph = node.graph();
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356 if (graph.getGuardsStage() == StructuredGraph.GuardsStage.FLOATING_GUARDS) {
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357 if (OmitHotExceptionStacktrace.getValue()) {
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358 Throwable exception;
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359 if (node.getExceptionClass() == NullPointerException.class) {
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360 exception = Exceptions.cachedNullPointerException;
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361 } else if (node.getExceptionClass() == ArrayIndexOutOfBoundsException.class) {
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362 exception = Exceptions.cachedArrayIndexOutOfBoundsException;
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363 } else {
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364 throw GraalInternalError.shouldNotReachHere();
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365 }
18262
f7d45e2426d4 converted HotSpotObjectConstant to an interface
Doug Simon <doug.simon@oracle.com>
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diff changeset
366 FloatingNode exceptionNode = ConstantNode.forConstant(HotSpotObjectConstantImpl.forObject(exception), metaAccess, graph);
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diff changeset
367 graph.replaceFixedWithFloating(node, exceptionNode);
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diff changeset
368
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369 } else {
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370 ForeignCallDescriptor descriptor;
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371 if (node.getExceptionClass() == NullPointerException.class) {
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diff changeset
372 descriptor = RuntimeCalls.CREATE_NULL_POINTER_EXCEPTION;
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diff changeset
373 } else if (node.getExceptionClass() == ArrayIndexOutOfBoundsException.class) {
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diff changeset
374 descriptor = RuntimeCalls.CREATE_OUT_OF_BOUNDS_EXCEPTION;
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diff changeset
375 } else {
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376 throw GraalInternalError.shouldNotReachHere();
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377 }
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diff changeset
378
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06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
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diff changeset
379 ForeignCallNode foreignCallNode = graph.add(ForeignCallNode.create(foreignCalls, descriptor, node.stamp(), node.getArguments()));
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diff changeset
380 graph.replaceFixedWithFixed(node, foreignCallNode);
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381 }
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382 }
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diff changeset
383 }
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
384
18544
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
385 private boolean addReadBarrier(UnsafeLoadNode load) {
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
386 if (runtime.getConfig().useG1GC && load.graph().getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS && load.object().getKind() == Kind.Object && load.accessKind() == Kind.Object &&
18490
ca81508f2a19 Generalize NULL handling to work on arbitrary pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 18487
diff changeset
387 !StampTool.isPointerAlwaysNull(load.object())) {
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
388 ResolvedJavaType type = StampTool.typeOrNull(load.object());
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
389 if (type != null && !type.isArray()) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
390 return true;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
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391 }
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parents: 16166
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392 }
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
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393 return false;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
394 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
395
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
396 private static ReadNode createReadVirtualMethod(StructuredGraph graph, ValueNode hub, HotSpotResolvedJavaMethod method, ResolvedJavaType receiverType) {
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
397 return createReadVirtualMethod(graph, hub, method.vtableEntryOffset(receiverType));
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parents: 16166
diff changeset
398 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
399
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
400 private static ReadNode createReadVirtualMethod(StructuredGraph graph, ValueNode hub, int vtableEntryOffset) {
16328
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parents: 16166
diff changeset
401 assert vtableEntryOffset > 0;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
402 // We use LocationNode.ANY_LOCATION for the reads that access the vtable
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
403 // entry as HotSpot does not guarantee that this is a final value.
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f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18362
diff changeset
404 Stamp methodStamp = MethodPointerStamp.method();
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
405 ReadNode metaspaceMethod = graph.add(ReadNode.create(hub, ConstantLocationNode.create(ANY_LOCATION, vtableEntryOffset, graph), methodStamp, BarrierType.NONE));
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
406 return metaspaceMethod;
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
407 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
408
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
409 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
410 protected ValueNode createReadHub(StructuredGraph graph, ValueNode object, GuardingNode guard) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
411 HotSpotVMConfig config = runtime.getConfig();
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
412 LocationNode location = ConstantLocationNode.create(HUB_LOCATION, config.hubOffset, graph);
18487
0f4813e0b4a9 Use asConstant() instead of asJavaConstant() where possible.
Roland Schatz <roland.schatz@oracle.com>
parents: 18481
diff changeset
413 assert !object.isConstant() || object.isNullConstant();
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34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
414
18481
f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18362
diff changeset
415 KlassPointerStamp hubStamp = KlassPointerStamp.klassNonNull();
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
416 if (config.useCompressedClassPointers) {
18481
f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18362
diff changeset
417 hubStamp = hubStamp.compressed(config.getKlassEncoding());
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
418 }
15437
a3f5b484b6b5 Add implicitLoad/StoreConvert functions to HotSpotLoweringProvider interface.
Roland Schatz <roland.schatz@oracle.com>
parents: 15436
diff changeset
419
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16565
diff changeset
420 FloatingReadNode memoryRead = graph.unique(FloatingReadNode.create(object, location, null, hubStamp, guard, BarrierType.NONE));
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
421 if (config.useCompressedClassPointers) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
422 return CompressionNode.uncompress(memoryRead, config.getKlassEncoding());
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
423 } else {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
424 return memoryRead;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
425 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
426 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
427
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
428 private WriteNode createWriteHub(StructuredGraph graph, ValueNode object, ValueNode value) {
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
429 HotSpotVMConfig config = runtime.getConfig();
18649
d138867d61c4 Remove getValueKind() from LocationNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 18596
diff changeset
430 LocationNode location = ConstantLocationNode.create(HUB_WRITE_LOCATION, config.hubOffset, graph);
18487
0f4813e0b4a9 Use asConstant() instead of asJavaConstant() where possible.
Roland Schatz <roland.schatz@oracle.com>
parents: 18481
diff changeset
431 assert !object.isConstant() || object.isNullConstant();
16328
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
432
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
433 ValueNode writeValue = value;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
434 if (config.useCompressedClassPointers) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
435 writeValue = CompressionNode.compress(value, config.getKlassEncoding());
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
436 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
437
16895
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
Doug Simon <doug.simon@oracle.com>
parents: 16565
diff changeset
438 return graph.add(WriteNode.create(object, writeValue, location, BarrierType.NONE));
16328
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
439 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
440
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
441 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
442 protected BarrierType fieldLoadBarrierType(ResolvedJavaField f) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
443 HotSpotResolvedJavaField loadField = (HotSpotResolvedJavaField) f;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
444 BarrierType barrierType = BarrierType.NONE;
18544
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
445 if (runtime.getConfig().useG1GC && loadField.getKind() == Kind.Object && metaAccess.lookupJavaType(Reference.class).equals(loadField.getDeclaringClass()) &&
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
446 loadField.getName().equals("referent")) {
16328
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Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
447 barrierType = BarrierType.PRECISE;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
448 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
449 return barrierType;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
450 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
451
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
452 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
453 protected int fieldOffset(ResolvedJavaField f) {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
454 HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) f;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
455 return field.offset();
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
456 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
457
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
458 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
459 public int arrayScalingFactor(Kind kind) {
18544
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
460 if (runtime.getConfig().useCompressedOops && kind == Kind.Object) {
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
461 return this.runtime.getTarget().getSizeInBytes(Kind.Int);
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
462 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
463 return super.arrayScalingFactor(kind);
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
464 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
465
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
466 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
467 protected int arrayBaseOffset(Kind kind) {
18515
8b87897f5b42 introduced HotSpotGraalRuntimeProvder interface
Doug Simon <doug.simon@oracle.com>
parents: 18502
diff changeset
468 return runtime.getArrayBaseOffset(kind);
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
469 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
470
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
471 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
472 protected int arrayLengthOffset() {
18544
7bbc9fc1e7f9 removed static accesses to HotSpotGraalRuntime from DefaultHotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 18540
diff changeset
473 return runtime.getConfig().arrayLengthOffset;
16328
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
474 }
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
475
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
476 @Override
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
477 protected LocationIdentity initLocationIdentity() {
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
478 return INIT_LOCATION;
34ac3ddfd5ac [SPARC] fixing findbug warnings
Stefan Anzinger <stefan.anzinger@gmail.com>
parents: 16166
diff changeset
479 }
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
480 }