Mercurial > hg > truffle
annotate graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java @ 14817:80147dac0d6e
LIRFrameStateBuilder added
| author | Niclas Adlertz <niclas.adlertz@oracle.com> |
|---|---|
| date | Tue, 18 Mar 2014 09:56:20 +0000 |
| parents | c4219e527b83 |
| children | 3d04915a55c6 |
| rev | line source |
|---|---|
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1 /* |
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2 * Copyright (c) 2009, 2013, 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.java; |
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24 |
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25 import static com.oracle.graal.api.code.TypeCheckHints.*; |
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26 import static com.oracle.graal.api.meta.DeoptimizationAction.*; |
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27 import static com.oracle.graal.api.meta.DeoptimizationReason.*; |
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28 import static com.oracle.graal.bytecode.Bytecodes.*; |
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29 import static com.oracle.graal.java.GraphBuilderPhase.RuntimeCalls.*; |
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30 import static com.oracle.graal.phases.GraalOptions.*; |
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31 import static java.lang.reflect.Modifier.*; |
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32 |
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33 import java.lang.reflect.*; |
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34 import java.util.*; |
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35 |
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36 import com.oracle.graal.api.code.*; |
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37 import com.oracle.graal.api.meta.*; |
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38 import com.oracle.graal.api.meta.ProfilingInfo.TriState; |
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39 import com.oracle.graal.api.meta.ResolvedJavaType.Representation; |
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40 import com.oracle.graal.bytecode.*; |
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41 import com.oracle.graal.debug.*; |
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42 import com.oracle.graal.graph.*; |
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43 import com.oracle.graal.java.BciBlockMapping.Block; |
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44 import com.oracle.graal.java.BciBlockMapping.ExceptionDispatchBlock; |
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45 import com.oracle.graal.java.BciBlockMapping.LocalLiveness; |
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46 import com.oracle.graal.nodes.*; |
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47 import com.oracle.graal.nodes.calc.*; |
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48 import com.oracle.graal.nodes.calc.FloatConvertNode.FloatConvert; |
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49 import com.oracle.graal.nodes.extended.*; |
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50 import com.oracle.graal.nodes.java.*; |
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51 import com.oracle.graal.nodes.java.MethodCallTargetNode.InvokeKind; |
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52 import com.oracle.graal.nodes.type.*; |
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53 import com.oracle.graal.nodes.util.*; |
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54 import com.oracle.graal.options.*; |
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55 import com.oracle.graal.phases.*; |
| 13585 | 56 import com.oracle.graal.phases.tiers.*; |
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57 |
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58 /** |
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59 * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph. |
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60 */ |
| 13585 | 61 public class GraphBuilderPhase extends BasePhase<HighTierContext> { |
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62 |
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63 static class Options { |
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64 // @formatter:off |
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65 @Option(help = "The trace level for the bytecode parser used when building a graph from bytecode") |
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66 public static final OptionValue<Integer> TraceBytecodeParserLevel = new OptionValue<>(0); |
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67 // @formatter:on |
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68 } |
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69 |
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70 public static final class RuntimeCalls { |
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71 |
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72 public static final ForeignCallDescriptor CREATE_NULL_POINTER_EXCEPTION = new ForeignCallDescriptor("createNullPointerException", NullPointerException.class); |
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73 public static final ForeignCallDescriptor CREATE_OUT_OF_BOUNDS_EXCEPTION = new ForeignCallDescriptor("createOutOfBoundsException", IndexOutOfBoundsException.class, int.class); |
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74 } |
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75 |
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76 /** |
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77 * The minimum value to which {@link Options#TraceBytecodeParserLevel} must be set to trace the |
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78 * bytecode instructions as they are parsed. |
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79 */ |
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80 public static final int TRACELEVEL_INSTRUCTIONS = 1; |
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81 |
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82 /** |
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83 * The minimum value to which {@link Options#TraceBytecodeParserLevel} must be set to trace the |
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84 * frame state before each bytecode instruction as it is parsed. |
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85 */ |
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86 public static final int TRACELEVEL_STATE = 2; |
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87 |
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88 private final GraphBuilderConfiguration graphBuilderConfig; |
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89 |
| 13585 | 90 public GraphBuilderPhase(GraphBuilderConfiguration graphBuilderConfig) { |
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91 this.graphBuilderConfig = graphBuilderConfig; |
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92 } |
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93 |
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94 @Override |
| 13585 | 95 protected void run(StructuredGraph graph, HighTierContext context) { |
| 96 new Instance(context.getMetaAccess(), graphBuilderConfig, context.getOptimisticOptimizations()).run(graph); | |
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97 } |
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98 |
| 13585 | 99 public static class Instance extends Phase { |
| 100 | |
| 101 private LineNumberTable lnt; | |
| 102 private int previousLineNumber; | |
| 103 private int currentLineNumber; | |
| 104 | |
| 105 protected StructuredGraph currentGraph; | |
| 106 | |
| 107 /** | |
| 108 * Head of placeholder list. | |
| 109 */ | |
| 110 protected BlockPlaceholderNode placeholders; | |
| 111 | |
| 112 private final MetaAccessProvider metaAccess; | |
| 113 private ConstantPool constantPool; | |
| 114 private ResolvedJavaMethod method; | |
| 115 private int entryBCI; | |
| 116 private ProfilingInfo profilingInfo; | |
| 117 | |
| 118 private BytecodeStream stream; // the bytecode stream | |
| 119 | |
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120 protected HIRFrameStateBuilder frameState; // the current execution state |
| 13585 | 121 private Block currentBlock; |
| 122 | |
| 123 private ValueNode methodSynchronizedObject; | |
| 124 private ExceptionDispatchBlock unwindBlock; | |
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125 |
| 13585 | 126 private FixedWithNextNode lastInstr; // the last instruction added |
| 127 | |
| 128 private final GraphBuilderConfiguration graphBuilderConfig; | |
| 129 private final OptimisticOptimizations optimisticOpts; | |
| 130 | |
| 131 /** | |
| 132 * Meters the number of actual bytecodes parsed. | |
| 133 */ | |
| 134 public static final DebugMetric BytecodesParsed = Debug.metric("BytecodesParsed"); | |
| 135 | |
| 136 /** | |
| 137 * Node that marks the begin of block during bytecode parsing. When a block is identified | |
| 138 * the first time as a jump target, the placeholder is created and used as the successor for | |
| 139 * the jump. When the block is seen the second time, a {@link MergeNode} is created to | |
| 140 * correctly merge the now two different predecessor states. | |
| 141 */ | |
| 142 private static class BlockPlaceholderNode extends FixedWithNextNode { | |
| 143 | |
| 144 /* | |
| 145 * Cannot be explicitly declared as a Node type since it is not an input; would cause | |
| 146 * the !NODE_CLASS.isAssignableFrom(type) guarantee in | |
| 147 * NodeClass.FieldScanner.scanField() to fail. | |
| 148 */ | |
| 149 private final Object nextPlaceholder; | |
| 150 | |
| 151 public BlockPlaceholderNode(Instance builder) { | |
| 152 super(StampFactory.forVoid()); | |
| 153 nextPlaceholder = builder.placeholders; | |
| 154 builder.placeholders = this; | |
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155 } |
| 13585 | 156 |
| 157 BlockPlaceholderNode nextPlaceholder() { | |
| 158 return (BlockPlaceholderNode) nextPlaceholder; | |
| 159 } | |
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160 } |
| 13585 | 161 |
| 162 private Block[] loopHeaders; | |
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163 private LocalLiveness liveness; |
| 13585 | 164 |
| 165 /** | |
| 166 * Gets the current frame state being processed by this builder. | |
| 167 */ | |
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168 protected HIRFrameStateBuilder getCurrentFrameState() { |
| 13585 | 169 return frameState; |
| 170 } | |
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171 |
| 13585 | 172 /** |
| 173 * Gets the graph being processed by this builder. | |
| 174 */ | |
| 175 protected StructuredGraph getGraph() { | |
| 176 return currentGraph; | |
| 177 } | |
| 178 | |
| 179 protected ResolvedJavaMethod getMethod() { | |
| 180 return method; | |
| 181 } | |
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182 |
| 13585 | 183 public Instance(MetaAccessProvider metaAccess, GraphBuilderConfiguration graphBuilderConfig, OptimisticOptimizations optimisticOpts) { |
| 184 this.graphBuilderConfig = graphBuilderConfig; | |
| 185 this.optimisticOpts = optimisticOpts; | |
| 186 this.metaAccess = metaAccess; | |
| 187 assert metaAccess != null; | |
| 188 } | |
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189 |
| 13585 | 190 @Override |
| 191 protected void run(StructuredGraph graph) { | |
| 192 method = graph.method(); | |
| 193 if (graphBuilderConfig.eagerInfopointMode()) { | |
| 194 lnt = method.getLineNumberTable(); | |
| 195 previousLineNumber = -1; | |
| 196 } | |
| 197 entryBCI = graph.getEntryBCI(); | |
| 198 profilingInfo = method.getProfilingInfo(); | |
| 199 assert method.getCode() != null : "method must contain bytecodes: " + method; | |
| 200 this.stream = new BytecodeStream(method.getCode()); | |
| 201 this.constantPool = method.getConstantPool(); | |
| 202 unwindBlock = null; | |
| 203 methodSynchronizedObject = null; | |
| 204 this.currentGraph = graph; | |
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205 this.frameState = new HIRFrameStateBuilder(method, graph, graphBuilderConfig.eagerResolving()); |
| 13585 | 206 TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); |
| 207 try { | |
| 208 build(); | |
| 209 } finally { | |
| 210 filter.remove(); | |
| 211 } | |
| 212 } | |
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213 |
| 13585 | 214 @Override |
| 215 protected String getDetailedName() { | |
| 216 return getName() + " " + MetaUtil.format("%H.%n(%p):%r", method); | |
| 217 } | |
| 218 | |
| 219 protected void build() { | |
| 220 if (PrintProfilingInformation.getValue()) { | |
| 221 TTY.println("Profiling info for " + MetaUtil.format("%H.%n(%p)", method)); | |
| 222 TTY.println(MetaUtil.indent(MetaUtil.profileToString(profilingInfo, method, CodeUtil.NEW_LINE), " ")); | |
| 223 } | |
| 224 | |
| 225 Indent indent = Debug.logAndIndent("build graph for %s", method); | |
| 226 | |
| 227 // compute the block map, setup exception handlers and get the entrypoint(s) | |
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228 BciBlockMapping blockMap = BciBlockMapping.create(method); |
| 13585 | 229 loopHeaders = blockMap.loopHeaders; |
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230 liveness = blockMap.liveness; |
| 13585 | 231 |
| 232 lastInstr = currentGraph.start(); | |
| 233 if (isSynchronized(method.getModifiers())) { | |
| 234 // add a monitor enter to the start block | |
| 235 currentGraph.start().setStateAfter(frameState.create(FrameState.BEFORE_BCI)); | |
| 236 methodSynchronizedObject = synchronizedObject(frameState, method); | |
| 237 lastInstr = genMonitorEnter(methodSynchronizedObject); | |
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238 } |
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239 frameState.clearNonLiveLocals(blockMap.startBlock, liveness, true); |
| 13585 | 240 ((StateSplit) lastInstr).setStateAfter(frameState.create(0)); |
| 241 | |
| 242 if (graphBuilderConfig.eagerInfopointMode()) { | |
| 243 InfopointNode ipn = currentGraph.add(new InfopointNode(InfopointReason.METHOD_START, frameState.create(0))); | |
| 244 lastInstr.setNext(ipn); | |
| 245 lastInstr = ipn; | |
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246 } |
| 13585 | 247 |
| 248 currentBlock = blockMap.startBlock; | |
| 249 blockMap.startBlock.entryState = frameState; | |
| 250 if (blockMap.startBlock.isLoopHeader) { | |
| 251 /* | |
| 252 * TODO(lstadler,gduboscq) createTarget might not be safe at this position, since it | |
| 253 * expects currentBlock, etc. to be set up correctly. A better solution to this | |
| 254 * problem of start blocks that are loop headers would be to create a dummy block in | |
| 255 * BciBlockMapping. | |
| 256 */ | |
| 257 appendGoto(createTarget(blockMap.startBlock, frameState)); | |
| 258 } else { | |
| 259 blockMap.startBlock.firstInstruction = lastInstr; | |
| 260 } | |
| 261 | |
| 262 for (Block block : blockMap.blocks) { | |
| 263 processBlock(block); | |
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264 } |
| 13585 | 265 processBlock(unwindBlock); |
| 266 | |
| 267 Debug.dump(currentGraph, "After bytecode parsing"); | |
| 268 | |
| 269 connectLoopEndToBegin(); | |
| 270 | |
| 271 // remove Placeholders | |
| 272 for (BlockPlaceholderNode n = placeholders; n != null; n = n.nextPlaceholder()) { | |
| 273 if (!n.isDeleted()) { | |
| 274 currentGraph.removeFixed(n); | |
| 275 } | |
| 276 } | |
| 277 placeholders = null; | |
| 278 | |
| 279 // remove dead FrameStates | |
| 280 for (Node n : currentGraph.getNodes(FrameState.class)) { | |
| 281 if (n.usages().isEmpty() && n.predecessor() == null) { | |
| 282 n.safeDelete(); | |
| 283 } | |
| 284 } | |
| 285 indent.outdent(); | |
| 286 } | |
| 287 | |
| 288 private Block unwindBlock(int bci) { | |
| 289 if (unwindBlock == null) { | |
| 290 unwindBlock = new ExceptionDispatchBlock(); | |
| 291 unwindBlock.startBci = -1; | |
| 292 unwindBlock.endBci = -1; | |
| 293 unwindBlock.deoptBci = bci; | |
| 294 unwindBlock.blockID = Integer.MAX_VALUE; | |
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295 } |
| 13585 | 296 return unwindBlock; |
| 297 } | |
| 298 | |
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299 protected BytecodeStream stream() { |
| 13585 | 300 return stream; |
| 301 } | |
| 302 | |
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303 protected int bci() { |
| 13585 | 304 return stream.currentBCI(); |
| 305 } | |
| 306 | |
| 307 private void loadLocal(int index, Kind kind) { | |
| 308 frameState.push(kind, frameState.loadLocal(index)); | |
| 309 } | |
| 310 | |
| 311 private void storeLocal(Kind kind, int index) { | |
| 312 ValueNode value; | |
| 313 if (kind == Kind.Object) { | |
| 314 value = frameState.xpop(); | |
| 315 // astore and astore_<n> may be used to store a returnAddress (jsr) | |
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316 assert value.getKind() == Kind.Object || value.getKind() == Kind.Int; |
| 13585 | 317 } else { |
| 318 value = frameState.pop(kind); | |
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319 } |
| 13585 | 320 frameState.storeLocal(index, value); |
| 321 } | |
| 322 | |
| 323 /** | |
| 324 * @param type the unresolved type of the constant | |
| 325 */ | |
| 326 protected void handleUnresolvedLoadConstant(JavaType type) { | |
| 327 assert !graphBuilderConfig.eagerResolving(); | |
| 328 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 329 frameState.push(Kind.Object, appendConstant(Constant.NULL_OBJECT)); | |
| 330 } | |
| 331 | |
| 332 /** | |
| 333 * @param type the unresolved type of the type check | |
| 334 * @param object the object value whose type is being checked against {@code type} | |
| 335 */ | |
| 336 protected void handleUnresolvedCheckCast(JavaType type, ValueNode object) { | |
| 337 assert !graphBuilderConfig.eagerResolving(); | |
| 338 append(new FixedGuardNode(currentGraph.unique(new IsNullNode(object)), Unresolved, InvalidateRecompile)); | |
| 339 frameState.apush(appendConstant(Constant.NULL_OBJECT)); | |
| 340 } | |
| 341 | |
| 342 /** | |
| 343 * @param type the unresolved type of the type check | |
| 344 * @param object the object value whose type is being checked against {@code type} | |
| 345 */ | |
| 346 protected void handleUnresolvedInstanceOf(JavaType type, ValueNode object) { | |
| 347 assert !graphBuilderConfig.eagerResolving(); | |
| 348 BlockPlaceholderNode successor = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 349 DeoptimizeNode deopt = currentGraph.add(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 350 append(new IfNode(currentGraph.unique(new IsNullNode(object)), successor, deopt, 1)); | |
| 351 lastInstr = successor; | |
| 352 frameState.ipush(appendConstant(Constant.INT_0)); | |
| 353 } | |
| 354 | |
| 355 /** | |
| 356 * @param type the type being instantiated | |
| 357 */ | |
| 358 protected void handleUnresolvedNewInstance(JavaType type) { | |
| 359 assert !graphBuilderConfig.eagerResolving(); | |
| 360 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 361 frameState.apush(appendConstant(Constant.NULL_OBJECT)); | |
| 362 } | |
| 363 | |
| 364 /** | |
| 365 * @param type the type of the array being instantiated | |
| 366 * @param length the length of the array | |
| 367 */ | |
| 368 protected void handleUnresolvedNewObjectArray(JavaType type, ValueNode length) { | |
| 369 assert !graphBuilderConfig.eagerResolving(); | |
| 370 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 371 frameState.apush(appendConstant(Constant.NULL_OBJECT)); | |
| 372 } | |
| 373 | |
| 374 /** | |
| 375 * @param type the type being instantiated | |
| 376 * @param dims the dimensions for the multi-array | |
| 377 */ | |
| 378 protected void handleUnresolvedNewMultiArray(JavaType type, ValueNode[] dims) { | |
| 379 assert !graphBuilderConfig.eagerResolving(); | |
| 380 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 381 frameState.apush(appendConstant(Constant.NULL_OBJECT)); | |
| 382 } | |
| 383 | |
| 384 /** | |
| 385 * @param field the unresolved field | |
| 386 * @param receiver the object containing the field or {@code null} if {@code field} is | |
| 387 * static | |
| 388 */ | |
| 389 protected void handleUnresolvedLoadField(JavaField field, ValueNode receiver) { | |
| 390 assert !graphBuilderConfig.eagerResolving(); | |
| 391 Kind kind = field.getKind(); | |
| 392 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 393 frameState.push(kind.getStackKind(), appendConstant(Constant.defaultForKind(kind))); | |
| 394 } | |
| 395 | |
| 396 /** | |
| 397 * @param field the unresolved field | |
| 398 * @param value the value being stored to the field | |
| 399 * @param receiver the object containing the field or {@code null} if {@code field} is | |
| 400 * static | |
| 401 */ | |
| 402 protected void handleUnresolvedStoreField(JavaField field, ValueNode value, ValueNode receiver) { | |
| 403 assert !graphBuilderConfig.eagerResolving(); | |
| 404 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 405 } | |
| 406 | |
| 407 /** | |
| 408 * @param representation | |
| 409 * @param type | |
| 410 */ | |
| 411 protected void handleUnresolvedExceptionType(Representation representation, JavaType type) { | |
| 412 assert !graphBuilderConfig.eagerResolving(); | |
| 413 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 414 } | |
| 415 | |
| 416 protected void handleUnresolvedInvoke(JavaMethod javaMethod, InvokeKind invokeKind) { | |
| 417 assert !graphBuilderConfig.eagerResolving(); | |
| 418 boolean withReceiver = invokeKind != InvokeKind.Static; | |
| 419 append(new DeoptimizeNode(InvalidateRecompile, Unresolved)); | |
| 420 frameState.popArguments(javaMethod.getSignature().getParameterSlots(withReceiver), javaMethod.getSignature().getParameterCount(withReceiver)); | |
| 421 Kind kind = javaMethod.getSignature().getReturnKind(); | |
| 422 if (kind != Kind.Void) { | |
| 423 frameState.push(kind.getStackKind(), appendConstant(Constant.defaultForKind(kind))); | |
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424 } |
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425 } |
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426 |
| 13585 | 427 private DispatchBeginNode handleException(ValueNode exceptionObject, int bci) { |
| 428 assert bci == FrameState.BEFORE_BCI || bci == bci() : "invalid bci"; | |
| 429 Debug.log("Creating exception dispatch edges at %d, exception object=%s, exception seen=%s", bci, exceptionObject, profilingInfo.getExceptionSeen(bci)); | |
| 430 | |
| 431 Block dispatchBlock = currentBlock.exceptionDispatchBlock(); | |
| 432 /* | |
| 433 * The exception dispatch block is always for the last bytecode of a block, so if we are | |
| 434 * not at the endBci yet, there is no exception handler for this bci and we can unwind | |
| 435 * immediately. | |
| 436 */ | |
| 437 if (bci != currentBlock.endBci || dispatchBlock == null) { | |
| 438 dispatchBlock = unwindBlock(bci); | |
| 439 } | |
| 440 | |
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441 HIRFrameStateBuilder dispatchState = frameState.copy(); |
| 13585 | 442 dispatchState.clearStack(); |
| 443 | |
| 444 DispatchBeginNode dispatchBegin; | |
| 445 if (exceptionObject == null) { | |
| 446 dispatchBegin = currentGraph.add(new ExceptionObjectNode(metaAccess)); | |
| 447 dispatchState.apush(dispatchBegin); | |
| 448 dispatchState.setRethrowException(true); | |
| 449 dispatchBegin.setStateAfter(dispatchState.create(bci)); | |
| 450 } else { | |
| 451 dispatchBegin = currentGraph.add(new DispatchBeginNode()); | |
| 452 dispatchBegin.setStateAfter(dispatchState.create(bci)); | |
| 453 dispatchState.apush(exceptionObject); | |
| 454 dispatchState.setRethrowException(true); | |
| 455 } | |
| 456 FixedNode target = createTarget(dispatchBlock, dispatchState); | |
| 457 dispatchBegin.setNext(target); | |
| 458 return dispatchBegin; | |
| 459 } | |
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460 |
| 13585 | 461 private void genLoadConstant(int cpi, int opcode) { |
| 462 Object con = lookupConstant(cpi, opcode); | |
| 463 | |
| 464 if (con instanceof JavaType) { | |
| 465 // this is a load of class constant which might be unresolved | |
| 466 JavaType type = (JavaType) con; | |
| 467 if (type instanceof ResolvedJavaType) { | |
| 468 frameState.push(Kind.Object, appendConstant(((ResolvedJavaType) type).getEncoding(Representation.JavaClass))); | |
| 469 } else { | |
| 470 handleUnresolvedLoadConstant(type); | |
| 471 } | |
| 472 } else if (con instanceof Constant) { | |
| 473 Constant constant = (Constant) con; | |
| 474 frameState.push(constant.getKind().getStackKind(), appendConstant(constant)); | |
| 475 } else { | |
| 476 throw new Error("lookupConstant returned an object of incorrect type"); | |
| 477 } | |
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478 } |
| 13585 | 479 |
| 480 private void genLoadIndexed(Kind kind) { | |
| 481 emitExplicitExceptions(frameState.peek(1), frameState.peek(0)); | |
| 482 | |
| 483 ValueNode index = frameState.ipop(); | |
| 484 ValueNode array = frameState.apop(); | |
| 485 frameState.push(kind.getStackKind(), append(new LoadIndexedNode(array, index, kind))); | |
| 486 } | |
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487 |
| 13585 | 488 private void genStoreIndexed(Kind kind) { |
| 489 emitExplicitExceptions(frameState.peek(2), frameState.peek(1)); | |
| 490 | |
| 491 ValueNode value = frameState.pop(kind.getStackKind()); | |
| 492 ValueNode index = frameState.ipop(); | |
| 493 ValueNode array = frameState.apop(); | |
| 494 append(new StoreIndexedNode(array, index, kind, value)); | |
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495 } |
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496 |
| 13585 | 497 private void stackOp(int opcode) { |
| 498 switch (opcode) { | |
| 499 case POP: { | |
| 500 frameState.xpop(); | |
| 501 break; | |
| 502 } | |
| 503 case POP2: { | |
| 504 frameState.xpop(); | |
| 505 frameState.xpop(); | |
| 506 break; | |
| 507 } | |
| 508 case DUP: { | |
| 509 ValueNode w = frameState.xpop(); | |
| 510 frameState.xpush(w); | |
| 511 frameState.xpush(w); | |
| 512 break; | |
| 513 } | |
| 514 case DUP_X1: { | |
| 515 ValueNode w1 = frameState.xpop(); | |
| 516 ValueNode w2 = frameState.xpop(); | |
| 517 frameState.xpush(w1); | |
| 518 frameState.xpush(w2); | |
| 519 frameState.xpush(w1); | |
| 520 break; | |
| 521 } | |
| 522 case DUP_X2: { | |
| 523 ValueNode w1 = frameState.xpop(); | |
| 524 ValueNode w2 = frameState.xpop(); | |
| 525 ValueNode w3 = frameState.xpop(); | |
| 526 frameState.xpush(w1); | |
| 527 frameState.xpush(w3); | |
| 528 frameState.xpush(w2); | |
| 529 frameState.xpush(w1); | |
| 530 break; | |
| 531 } | |
| 532 case DUP2: { | |
| 533 ValueNode w1 = frameState.xpop(); | |
| 534 ValueNode w2 = frameState.xpop(); | |
| 535 frameState.xpush(w2); | |
| 536 frameState.xpush(w1); | |
| 537 frameState.xpush(w2); | |
| 538 frameState.xpush(w1); | |
| 539 break; | |
| 540 } | |
| 541 case DUP2_X1: { | |
| 542 ValueNode w1 = frameState.xpop(); | |
| 543 ValueNode w2 = frameState.xpop(); | |
| 544 ValueNode w3 = frameState.xpop(); | |
| 545 frameState.xpush(w2); | |
| 546 frameState.xpush(w1); | |
| 547 frameState.xpush(w3); | |
| 548 frameState.xpush(w2); | |
| 549 frameState.xpush(w1); | |
| 550 break; | |
| 551 } | |
| 552 case DUP2_X2: { | |
| 553 ValueNode w1 = frameState.xpop(); | |
| 554 ValueNode w2 = frameState.xpop(); | |
| 555 ValueNode w3 = frameState.xpop(); | |
| 556 ValueNode w4 = frameState.xpop(); | |
| 557 frameState.xpush(w2); | |
| 558 frameState.xpush(w1); | |
| 559 frameState.xpush(w4); | |
| 560 frameState.xpush(w3); | |
| 561 frameState.xpush(w2); | |
| 562 frameState.xpush(w1); | |
| 563 break; | |
| 564 } | |
| 565 case SWAP: { | |
| 566 ValueNode w1 = frameState.xpop(); | |
| 567 ValueNode w2 = frameState.xpop(); | |
| 568 frameState.xpush(w1); | |
| 569 frameState.xpush(w2); | |
| 570 break; | |
| 571 } | |
| 572 default: | |
| 573 throw GraalInternalError.shouldNotReachHere(); | |
| 574 } | |
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575 |
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576 } |
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577 |
| 13585 | 578 private void genArithmeticOp(Kind result, int opcode) { |
| 579 ValueNode y = frameState.pop(result); | |
| 580 ValueNode x = frameState.pop(result); | |
| 581 boolean isStrictFP = isStrict(method.getModifiers()); | |
| 582 BinaryNode v; | |
| 583 switch (opcode) { | |
| 584 case IADD: | |
| 585 case LADD: | |
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586 v = new IntegerAddNode(StampFactory.forKind(result), x, y); |
| 13585 | 587 break; |
| 588 case FADD: | |
| 589 case DADD: | |
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changeset
|
590 v = new FloatAddNode(StampFactory.forKind(result), x, y, isStrictFP); |
| 13585 | 591 break; |
| 592 case ISUB: | |
| 593 case LSUB: | |
|
14024
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Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
594 v = new IntegerSubNode(StampFactory.forKind(result), x, y); |
| 13585 | 595 break; |
| 596 case FSUB: | |
| 597 case DSUB: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
598 v = new FloatSubNode(StampFactory.forKind(result), x, y, isStrictFP); |
| 13585 | 599 break; |
| 600 case IMUL: | |
| 601 case LMUL: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
602 v = new IntegerMulNode(StampFactory.forKind(result), x, y); |
| 13585 | 603 break; |
| 604 case FMUL: | |
| 605 case DMUL: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
606 v = new FloatMulNode(StampFactory.forKind(result), x, y, isStrictFP); |
| 13585 | 607 break; |
| 608 case FDIV: | |
| 609 case DDIV: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
610 v = new FloatDivNode(StampFactory.forKind(result), x, y, isStrictFP); |
| 13585 | 611 break; |
| 612 case FREM: | |
| 613 case DREM: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
614 v = new FloatRemNode(StampFactory.forKind(result), x, y, isStrictFP); |
| 13585 | 615 break; |
| 616 default: | |
| 617 throw new GraalInternalError("should not reach"); | |
| 618 } | |
| 619 frameState.push(result, append(v)); | |
|
5029
74f47ef37394
Fix and enable liveness analysis to prune unnecessary frame state entries
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5026
diff
changeset
|
620 } |
|
74f47ef37394
Fix and enable liveness analysis to prune unnecessary frame state entries
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5026
diff
changeset
|
621 |
| 13585 | 622 private void genIntegerDivOp(Kind result, int opcode) { |
| 623 ValueNode y = frameState.pop(result); | |
| 624 ValueNode x = frameState.pop(result); | |
| 625 FixedWithNextNode v; | |
| 626 switch (opcode) { | |
| 627 case IDIV: | |
| 628 case LDIV: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
629 v = new IntegerDivNode(StampFactory.forKind(result), x, y); |
| 13585 | 630 break; |
| 631 case IREM: | |
| 632 case LREM: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
633 v = new IntegerRemNode(StampFactory.forKind(result), x, y); |
| 13585 | 634 break; |
| 635 default: | |
| 636 throw new GraalInternalError("should not reach"); | |
| 637 } | |
| 638 frameState.push(result, append(v)); | |
| 639 } | |
| 640 | |
| 641 private void genNegateOp(Kind kind) { | |
| 642 frameState.push(kind, append(new NegateNode(frameState.pop(kind)))); | |
| 643 } | |
| 644 | |
| 645 private void genShiftOp(Kind kind, int opcode) { | |
| 646 ValueNode s = frameState.ipop(); | |
| 647 ValueNode x = frameState.pop(kind); | |
| 648 ShiftNode v; | |
| 649 switch (opcode) { | |
| 650 case ISHL: | |
| 651 case LSHL: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
652 v = new LeftShiftNode(StampFactory.forKind(kind), x, s); |
| 13585 | 653 break; |
| 654 case ISHR: | |
| 655 case LSHR: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
656 v = new RightShiftNode(StampFactory.forKind(kind), x, s); |
| 13585 | 657 break; |
| 658 case IUSHR: | |
| 659 case LUSHR: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
660 v = new UnsignedRightShiftNode(StampFactory.forKind(kind), x, s); |
| 13585 | 661 break; |
| 662 default: | |
| 663 throw new GraalInternalError("should not reach"); | |
| 664 } | |
| 665 frameState.push(kind, append(v)); | |
| 666 } | |
| 667 | |
| 668 private void genLogicOp(Kind kind, int opcode) { | |
| 669 ValueNode y = frameState.pop(kind); | |
| 670 ValueNode x = frameState.pop(kind); | |
|
14024
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Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
671 Stamp stamp = StampFactory.forKind(kind); |
| 13585 | 672 BitLogicNode v; |
| 673 switch (opcode) { | |
| 674 case IAND: | |
| 675 case LAND: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
676 v = new AndNode(stamp, x, y); |
| 13585 | 677 break; |
| 678 case IOR: | |
| 679 case LOR: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
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diff
changeset
|
680 v = new OrNode(stamp, x, y); |
| 13585 | 681 break; |
| 682 case IXOR: | |
| 683 case LXOR: | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
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diff
changeset
|
684 v = new XorNode(stamp, x, y); |
| 13585 | 685 break; |
| 686 default: | |
| 687 throw new GraalInternalError("should not reach"); | |
| 688 } | |
| 689 frameState.push(kind, append(v)); | |
| 690 } | |
| 691 | |
| 692 private void genCompareOp(Kind kind, boolean isUnorderedLess) { | |
| 693 ValueNode y = frameState.pop(kind); | |
| 694 ValueNode x = frameState.pop(kind); | |
| 695 frameState.ipush(append(new NormalizeCompareNode(x, y, isUnorderedLess))); | |
| 696 } | |
| 697 | |
|
14000
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
698 private void genFloatConvert(FloatConvert op, Kind from, Kind to) { |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
699 ValueNode input = frameState.pop(from.getStackKind()); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
700 frameState.push(to.getStackKind(), append(new FloatConvertNode(op, input))); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
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diff
changeset
|
701 } |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
702 |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
703 private void genSignExtend(Kind from, Kind to) { |
| 13585 | 704 ValueNode input = frameState.pop(from.getStackKind()); |
|
14000
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Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
705 if (from != from.getStackKind()) { |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
706 input = append(new NarrowNode(input, from.getBitCount())); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
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diff
changeset
|
707 } |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
708 frameState.push(to.getStackKind(), append(new SignExtendNode(input, to.getBitCount()))); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
709 } |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
710 |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
711 private void genZeroExtend(Kind from, Kind to) { |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
712 ValueNode input = frameState.pop(from.getStackKind()); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
713 if (from != from.getStackKind()) { |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
714 input = append(new NarrowNode(input, from.getBitCount())); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
715 } |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
716 frameState.push(to.getStackKind(), append(new ZeroExtendNode(input, to.getBitCount()))); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
717 } |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
718 |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
719 private void genNarrow(Kind from, Kind to) { |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
720 ValueNode input = frameState.pop(from.getStackKind()); |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
721 frameState.push(to.getStackKind(), append(new NarrowNode(input, to.getBitCount()))); |
| 13585 | 722 } |
| 723 | |
| 724 private void genIncrement() { | |
| 725 int index = stream().readLocalIndex(); | |
| 726 int delta = stream().readIncrement(); | |
| 727 ValueNode x = frameState.loadLocal(index); | |
| 728 ValueNode y = appendConstant(Constant.forInt(delta)); | |
|
14024
34c07ef28bc9
Support integer arithmetic for arbitrary types.
Roland Schatz <roland.schatz@oracle.com>
parents:
14016
diff
changeset
|
729 frameState.storeLocal(index, append(new IntegerAddNode(StampFactory.forKind(Kind.Int), x, y))); |
| 13585 | 730 } |
| 731 | |
| 732 private void genGoto() { | |
| 733 appendGoto(createTarget(currentBlock.successors.get(0), frameState)); | |
| 734 assert currentBlock.numNormalSuccessors() == 1; | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
735 } |
|
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
736 |
| 13585 | 737 private void ifNode(ValueNode x, Condition cond, ValueNode y) { |
| 738 assert !x.isDeleted() && !y.isDeleted(); | |
| 739 assert currentBlock.numNormalSuccessors() == 2; | |
| 740 Block trueBlock = currentBlock.successors.get(0); | |
| 741 Block falseBlock = currentBlock.successors.get(1); | |
| 742 if (trueBlock == falseBlock) { | |
| 743 appendGoto(createTarget(trueBlock, frameState)); | |
| 744 return; | |
| 745 } | |
| 746 | |
| 747 double probability = profilingInfo.getBranchTakenProbability(bci()); | |
| 748 if (probability < 0) { | |
| 749 assert probability == -1 : "invalid probability"; | |
| 750 Debug.log("missing probability in %s at bci %d", method, bci()); | |
| 751 probability = 0.5; | |
| 752 } | |
| 753 | |
| 754 if (!optimisticOpts.removeNeverExecutedCode()) { | |
| 755 if (probability == 0) { | |
| 756 probability = 0.0000001; | |
| 757 } else if (probability == 1) { | |
| 758 probability = 0.999999; | |
| 759 } | |
| 760 } | |
| 761 | |
| 762 // the mirroring and negation operations get the condition into canonical form | |
| 763 boolean mirror = cond.canonicalMirror(); | |
| 764 boolean negate = cond.canonicalNegate(); | |
| 765 | |
| 766 ValueNode a = mirror ? y : x; | |
| 767 ValueNode b = mirror ? x : y; | |
| 768 | |
| 769 CompareNode condition; | |
|
14817
80147dac0d6e
LIRFrameStateBuilder added
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
770 assert !a.getKind().isNumericFloat(); |
| 13585 | 771 if (cond == Condition.EQ || cond == Condition.NE) { |
|
14817
80147dac0d6e
LIRFrameStateBuilder added
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
772 if (a.getKind() == Kind.Object) { |
| 13585 | 773 condition = new ObjectEqualsNode(a, b); |
| 774 } else { | |
| 775 condition = new IntegerEqualsNode(a, b); | |
| 776 } | |
| 777 } else { | |
|
14817
80147dac0d6e
LIRFrameStateBuilder added
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
778 assert a.getKind() != Kind.Object && !cond.isUnsigned(); |
| 13585 | 779 condition = new IntegerLessThanNode(a, b); |
| 780 } | |
| 781 condition = currentGraph.unique(condition); | |
| 782 | |
| 783 AbstractBeginNode trueSuccessor = createBlockTarget(probability, trueBlock, frameState); | |
| 784 AbstractBeginNode falseSuccessor = createBlockTarget(1 - probability, falseBlock, frameState); | |
| 785 | |
| 786 IfNode ifNode = negate ? new IfNode(condition, falseSuccessor, trueSuccessor, 1 - probability) : new IfNode(condition, trueSuccessor, falseSuccessor, probability); | |
| 787 append(ifNode); | |
| 788 } | |
| 789 | |
| 790 private void genIfZero(Condition cond) { | |
| 791 ValueNode y = appendConstant(Constant.INT_0); | |
| 792 ValueNode x = frameState.ipop(); | |
| 793 ifNode(x, cond, y); | |
| 794 } | |
| 795 | |
| 796 private void genIfNull(Condition cond) { | |
| 797 ValueNode y = appendConstant(Constant.NULL_OBJECT); | |
| 798 ValueNode x = frameState.apop(); | |
| 799 ifNode(x, cond, y); | |
| 800 } | |
| 801 | |
| 802 private void genIfSame(Kind kind, Condition cond) { | |
| 803 ValueNode y = frameState.pop(kind); | |
| 804 ValueNode x = frameState.pop(kind); | |
| 805 assert !x.isDeleted() && !y.isDeleted(); | |
| 806 ifNode(x, cond, y); | |
| 807 } | |
| 808 | |
| 809 private void genThrow() { | |
| 810 ValueNode exception = frameState.apop(); | |
| 811 append(new FixedGuardNode(currentGraph.unique(new IsNullNode(exception)), NullCheckException, InvalidateReprofile, true)); | |
| 812 lastInstr.setNext(handleException(exception, bci())); | |
| 813 } | |
| 814 | |
| 815 private JavaType lookupType(int cpi, int bytecode) { | |
| 816 eagerResolvingForSnippets(cpi, bytecode); | |
| 817 JavaType result = constantPool.lookupType(cpi, bytecode); | |
| 818 assert !graphBuilderConfig.unresolvedIsError() || result instanceof ResolvedJavaType; | |
| 819 return result; | |
| 820 } | |
| 821 | |
| 822 private JavaMethod lookupMethod(int cpi, int opcode) { | |
| 823 eagerResolvingForSnippets(cpi, opcode); | |
| 824 JavaMethod result = constantPool.lookupMethod(cpi, opcode); | |
| 825 /* | |
|
14068
73f5ddd8414d
clean up snippet-related assertion in GraphBuilderPhase
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14066
diff
changeset
|
826 * In general, one cannot assume that the declaring class being initialized is useful, |
|
73f5ddd8414d
clean up snippet-related assertion in GraphBuilderPhase
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14066
diff
changeset
|
827 * since the actual concrete receiver may be a different class (except for static |
|
73f5ddd8414d
clean up snippet-related assertion in GraphBuilderPhase
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14066
diff
changeset
|
828 * calls). Also, interfaces are initialized only under special circumstances, so that |
|
73f5ddd8414d
clean up snippet-related assertion in GraphBuilderPhase
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14066
diff
changeset
|
829 * this assertion would often fail for interface calls. |
| 13585 | 830 */ |
|
14518
d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
twisti
parents:
14068
diff
changeset
|
831 assert !graphBuilderConfig.unresolvedIsError() || (result instanceof ResolvedJavaMethod && (opcode != INVOKESTATIC || ((ResolvedJavaMethod) result).getDeclaringClass().isInitialized())) : result; |
| 13585 | 832 return result; |
| 833 } | |
| 834 | |
| 835 private JavaField lookupField(int cpi, int opcode) { | |
| 836 eagerResolvingForSnippets(cpi, opcode); | |
| 837 JavaField result = constantPool.lookupField(cpi, opcode); | |
| 838 assert !graphBuilderConfig.unresolvedIsError() || (result instanceof ResolvedJavaField && ((ResolvedJavaField) result).getDeclaringClass().isInitialized()) : result; | |
| 839 return result; | |
| 840 } | |
| 841 | |
| 842 private Object lookupConstant(int cpi, int opcode) { | |
| 843 eagerResolvingForSnippets(cpi, opcode); | |
| 844 Object result = constantPool.lookupConstant(cpi); | |
|
14518
d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
twisti
parents:
14068
diff
changeset
|
845 assert !graphBuilderConfig.eagerResolving() || !(result instanceof JavaType) || (result instanceof ResolvedJavaType) : result; |
| 13585 | 846 return result; |
| 847 } | |
| 848 | |
| 849 private void eagerResolvingForSnippets(int cpi, int bytecode) { | |
| 850 if (graphBuilderConfig.eagerResolving()) { | |
| 851 constantPool.loadReferencedType(cpi, bytecode); | |
| 852 } | |
| 853 } | |
| 854 | |
| 855 private JavaTypeProfile getProfileForTypeCheck(ResolvedJavaType type) { | |
| 856 if (!optimisticOpts.useTypeCheckHints() || !canHaveSubtype(type)) { | |
| 857 return null; | |
| 858 } else { | |
| 859 return profilingInfo.getTypeProfile(bci()); | |
|
11336
e99a5d7c3deb
Adjust profiling information in case it is 0.0 or 1.0 for a branch.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
11319
diff
changeset
|
860 } |
|
e99a5d7c3deb
Adjust profiling information in case it is 0.0 or 1.0 for a branch.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
11319
diff
changeset
|
861 } |
|
e99a5d7c3deb
Adjust profiling information in case it is 0.0 or 1.0 for a branch.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
11319
diff
changeset
|
862 |
| 13585 | 863 private void genCheckCast() { |
| 864 int cpi = stream().readCPI(); | |
| 865 JavaType type = lookupType(cpi, CHECKCAST); | |
| 866 ValueNode object = frameState.apop(); | |
| 867 if (type instanceof ResolvedJavaType) { | |
| 868 JavaTypeProfile profileForTypeCheck = getProfileForTypeCheck((ResolvedJavaType) type); | |
| 869 CheckCastNode checkCastNode = append(new CheckCastNode((ResolvedJavaType) type, object, profileForTypeCheck, false)); | |
| 870 frameState.apush(checkCastNode); | |
|
5425
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5401
diff
changeset
|
871 } else { |
| 13585 | 872 handleUnresolvedCheckCast(type, object); |
|
5425
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5401
diff
changeset
|
873 } |
|
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5401
diff
changeset
|
874 } |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
875 |
| 13585 | 876 private void genInstanceOf() { |
| 877 int cpi = stream().readCPI(); | |
| 878 JavaType type = lookupType(cpi, INSTANCEOF); | |
| 879 ValueNode object = frameState.apop(); | |
| 880 if (type instanceof ResolvedJavaType) { | |
| 881 ResolvedJavaType resolvedType = (ResolvedJavaType) type; | |
| 882 InstanceOfNode instanceOfNode = new InstanceOfNode((ResolvedJavaType) type, object, getProfileForTypeCheck(resolvedType)); | |
| 883 frameState.ipush(append(new ConditionalNode(currentGraph.unique(instanceOfNode)))); | |
| 884 } else { | |
| 885 handleUnresolvedInstanceOf(type, object); | |
| 886 } | |
| 887 } | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
888 |
| 13585 | 889 void genNewInstance(int cpi) { |
| 890 JavaType type = lookupType(cpi, NEW); | |
| 891 if (type instanceof ResolvedJavaType && ((ResolvedJavaType) type).isInitialized()) { | |
| 892 frameState.apush(append(createNewInstance((ResolvedJavaType) type, true))); | |
| 893 } else { | |
| 894 handleUnresolvedNewInstance(type); | |
| 895 } | |
| 896 } | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
897 |
| 13585 | 898 protected NewInstanceNode createNewInstance(ResolvedJavaType type, boolean fillContents) { |
| 899 return new NewInstanceNode(type, fillContents); | |
|
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parents:
diff
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|
900 } |
|
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parents:
diff
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|
901 |
| 13585 | 902 /** |
| 903 * Gets the kind of array elements for the array type code that appears in a | |
| 904 * {@link Bytecodes#NEWARRAY} bytecode. | |
| 905 * | |
| 906 * @param code the array type code | |
| 907 * @return the kind from the array type code | |
| 908 */ | |
| 909 public static Class<?> arrayTypeCodeToClass(int code) { | |
| 910 // Checkstyle: stop | |
| 911 switch (code) { | |
| 912 case 4: | |
| 913 return boolean.class; | |
| 914 case 5: | |
| 915 return char.class; | |
| 916 case 6: | |
| 917 return float.class; | |
| 918 case 7: | |
| 919 return double.class; | |
| 920 case 8: | |
| 921 return byte.class; | |
| 922 case 9: | |
| 923 return short.class; | |
| 924 case 10: | |
| 925 return int.class; | |
| 926 case 11: | |
| 927 return long.class; | |
| 928 default: | |
| 929 throw new IllegalArgumentException("unknown array type code: " + code); | |
| 930 } | |
| 931 // Checkstyle: resume | |
|
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|
932 } |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
933 |
| 13585 | 934 private void genNewPrimitiveArray(int typeCode) { |
| 935 Class<?> clazz = arrayTypeCodeToClass(typeCode); | |
| 936 ResolvedJavaType elementType = metaAccess.lookupJavaType(clazz); | |
| 937 frameState.apush(append(createNewArray(elementType, frameState.ipop(), true))); | |
| 938 } | |
|
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Make graph builder more extensible by subclasses
Christian Wimmer <christian.wimmer@oracle.com>
parents:
12695
diff
changeset
|
939 |
| 13585 | 940 private void genNewObjectArray(int cpi) { |
| 941 JavaType type = lookupType(cpi, ANEWARRAY); | |
| 942 ValueNode length = frameState.ipop(); | |
| 943 if (type instanceof ResolvedJavaType) { | |
| 944 frameState.apush(append(createNewArray((ResolvedJavaType) type, length, true))); | |
| 945 } else { | |
| 946 handleUnresolvedNewObjectArray(type, length); | |
| 947 } | |
| 948 | |
|
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|
949 } |
|
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|
950 |
| 13585 | 951 protected NewArrayNode createNewArray(ResolvedJavaType elementType, ValueNode length, boolean fillContents) { |
| 952 return new NewArrayNode(elementType, length, fillContents); | |
|
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|
953 } |
|
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|
954 |
| 13585 | 955 private void genNewMultiArray(int cpi) { |
| 956 JavaType type = lookupType(cpi, MULTIANEWARRAY); | |
| 957 int rank = stream().readUByte(bci() + 3); | |
| 958 ValueNode[] dims = new ValueNode[rank]; | |
| 959 for (int i = rank - 1; i >= 0; i--) { | |
| 960 dims[i] = frameState.ipop(); | |
| 961 } | |
| 962 if (type instanceof ResolvedJavaType) { | |
|
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Christian Wimmer <christian.wimmer@oracle.com>
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|
963 frameState.apush(append(createNewMultiArray((ResolvedJavaType) type, dims))); |
| 13585 | 964 } else { |
| 965 handleUnresolvedNewMultiArray(type, dims); | |
| 966 } | |
| 967 } | |
|
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|
968 |
|
13938
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parents:
13798
diff
changeset
|
969 protected NewMultiArrayNode createNewMultiArray(ResolvedJavaType type, ValueNode[] dimensions) { |
|
aa8fb1cb16d1
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parents:
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diff
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|
970 return new NewMultiArrayNode(type, dimensions); |
|
aa8fb1cb16d1
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parents:
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diff
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|
971 } |
|
aa8fb1cb16d1
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Christian Wimmer <christian.wimmer@oracle.com>
parents:
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diff
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|
972 |
| 13585 | 973 private void genGetField(JavaField field) { |
| 974 emitExplicitExceptions(frameState.peek(0), null); | |
|
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parents:
diff
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|
975 |
| 13585 | 976 Kind kind = field.getKind(); |
| 977 ValueNode receiver = frameState.apop(); | |
| 978 if ((field instanceof ResolvedJavaField) && ((ResolvedJavaField) field).getDeclaringClass().isInitialized()) { | |
| 979 appendOptimizedLoadField(kind, new LoadFieldNode(receiver, (ResolvedJavaField) field)); | |
| 980 } else { | |
| 981 handleUnresolvedLoadField(field, receiver); | |
| 982 } | |
|
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parents:
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changeset
|
983 } |
| 13585 | 984 |
| 985 public static class ExceptionInfo { | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
986 |
| 13585 | 987 public final FixedWithNextNode exceptionEdge; |
| 988 public final ValueNode exception; | |
|
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parents:
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changeset
|
989 |
| 13585 | 990 public ExceptionInfo(FixedWithNextNode exceptionEdge, ValueNode exception) { |
| 991 this.exceptionEdge = exceptionEdge; | |
| 992 this.exception = exception; | |
| 993 } | |
| 994 } | |
|
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|
995 |
| 13585 | 996 private void emitNullCheck(ValueNode receiver) { |
| 997 if (ObjectStamp.isObjectNonNull(receiver.stamp())) { | |
| 998 return; | |
| 999 } | |
| 1000 BlockPlaceholderNode trueSucc = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 1001 BlockPlaceholderNode falseSucc = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 1002 append(new IfNode(currentGraph.unique(new IsNullNode(receiver)), trueSucc, falseSucc, 0.01)); | |
| 1003 lastInstr = falseSucc; | |
|
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changeset
|
1004 |
| 13585 | 1005 if (OmitHotExceptionStacktrace.getValue()) { |
| 1006 ValueNode exception = ConstantNode.forObject(cachedNullPointerException, metaAccess, currentGraph); | |
| 1007 trueSucc.setNext(handleException(exception, bci())); | |
| 1008 } else { | |
| 1009 DeferredForeignCallNode call = currentGraph.add(new DeferredForeignCallNode(CREATE_NULL_POINTER_EXCEPTION)); | |
|
14045
7b5269608cb3
put tighter types on some builtin operations
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14024
diff
changeset
|
1010 call.setStamp(StampFactory.exactNonNull(metaAccess.lookupJavaType(CREATE_NULL_POINTER_EXCEPTION.getResultType()))); |
| 13585 | 1011 call.setStateAfter(frameState.create(bci())); |
| 1012 trueSucc.setNext(call); | |
| 1013 call.setNext(handleException(call, bci())); | |
| 1014 } | |
|
6552
3cd6c6743a6a
Do not generate null check for values already proven to be non-null.
Christian Wimmer <christian.wimmer@oracle.com>
parents:
6539
diff
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|
1015 } |
|
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|
1016 |
| 13585 | 1017 private static final ArrayIndexOutOfBoundsException cachedArrayIndexOutOfBoundsException = new ArrayIndexOutOfBoundsException(); |
| 1018 private static final NullPointerException cachedNullPointerException = new NullPointerException(); | |
| 1019 static { | |
| 1020 cachedArrayIndexOutOfBoundsException.setStackTrace(new StackTraceElement[0]); | |
| 1021 cachedNullPointerException.setStackTrace(new StackTraceElement[0]); | |
|
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parents:
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|
1022 } |
| 13585 | 1023 |
| 1024 private void emitBoundsCheck(ValueNode index, ValueNode length) { | |
| 1025 BlockPlaceholderNode trueSucc = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 1026 BlockPlaceholderNode falseSucc = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 1027 append(new IfNode(currentGraph.unique(new IntegerBelowThanNode(index, length)), trueSucc, falseSucc, 0.99)); | |
| 1028 lastInstr = trueSucc; | |
|
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parents:
diff
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|
1029 |
| 13585 | 1030 if (OmitHotExceptionStacktrace.getValue()) { |
| 1031 ValueNode exception = ConstantNode.forObject(cachedArrayIndexOutOfBoundsException, metaAccess, currentGraph); | |
| 1032 falseSucc.setNext(handleException(exception, bci())); | |
| 1033 } else { | |
| 1034 DeferredForeignCallNode call = currentGraph.add(new DeferredForeignCallNode(CREATE_OUT_OF_BOUNDS_EXCEPTION, index)); | |
|
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Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
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diff
changeset
|
1035 call.setStamp(StampFactory.exactNonNull(metaAccess.lookupJavaType(CREATE_OUT_OF_BOUNDS_EXCEPTION.getResultType()))); |
| 13585 | 1036 call.setStateAfter(frameState.create(bci())); |
| 1037 falseSucc.setNext(call); | |
| 1038 call.setNext(handleException(call, bci())); | |
| 1039 } | |
| 1040 } | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1041 |
|
14016
555867401850
Make Debug.metric objects static
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14000
diff
changeset
|
1042 private static final DebugMetric EXPLICIT_EXCEPTIONS = Debug.metric("ExplicitExceptions"); |
|
555867401850
Make Debug.metric objects static
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14000
diff
changeset
|
1043 |
| 13585 | 1044 protected void emitExplicitExceptions(ValueNode receiver, ValueNode outOfBoundsIndex) { |
| 1045 assert receiver != null; | |
| 1046 if (graphBuilderConfig.omitAllExceptionEdges() || (optimisticOpts.useExceptionProbabilityForOperations() && profilingInfo.getExceptionSeen(bci()) == TriState.FALSE)) { | |
| 1047 return; | |
| 1048 } | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1049 |
| 13585 | 1050 emitNullCheck(receiver); |
| 1051 if (outOfBoundsIndex != null) { | |
| 1052 ValueNode length = append(new ArrayLengthNode(receiver)); | |
| 1053 emitBoundsCheck(outOfBoundsIndex, length); | |
| 1054 } | |
|
14016
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Make Debug.metric objects static
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
14000
diff
changeset
|
1055 EXPLICIT_EXCEPTIONS.increment(); |
|
5256
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Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
1056 } |
|
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
1057 |
| 13585 | 1058 private void genPutField(JavaField field) { |
| 1059 emitExplicitExceptions(frameState.peek(1), null); | |
|
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diff
changeset
|
1060 |
| 13585 | 1061 ValueNode value = frameState.pop(field.getKind().getStackKind()); |
| 1062 ValueNode receiver = frameState.apop(); | |
| 1063 if (field instanceof ResolvedJavaField && ((ResolvedJavaField) field).getDeclaringClass().isInitialized()) { | |
| 1064 appendOptimizedStoreField(new StoreFieldNode(receiver, (ResolvedJavaField) field, value)); | |
| 1065 } else { | |
| 1066 handleUnresolvedStoreField(field, value, receiver); | |
| 1067 } | |
|
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diff
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|
1068 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
1069 |
| 13585 | 1070 private void genGetStatic(JavaField field) { |
| 1071 Kind kind = field.getKind(); | |
| 1072 if (field instanceof ResolvedJavaField && ((ResolvedJavaType) field.getDeclaringClass()).isInitialized()) { | |
| 1073 appendOptimizedLoadField(kind, new LoadFieldNode(null, (ResolvedJavaField) field)); | |
|
3733
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parents:
diff
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|
1074 } else { |
| 13585 | 1075 handleUnresolvedLoadField(field, null); |
|
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parents:
diff
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|
1076 } |
|
e233f5660da4
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parents:
diff
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|
1077 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
1078 |
| 13585 | 1079 private void genPutStatic(JavaField field) { |
| 1080 ValueNode value = frameState.pop(field.getKind().getStackKind()); | |
| 1081 if (field instanceof ResolvedJavaField && ((ResolvedJavaType) field.getDeclaringClass()).isInitialized()) { | |
| 1082 appendOptimizedStoreField(new StoreFieldNode(null, (ResolvedJavaField) field, value)); | |
| 1083 } else { | |
| 1084 handleUnresolvedStoreField(field, value, null); | |
|
8945
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
8660
diff
changeset
|
1085 } |
|
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
8660
diff
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|
1086 } |
|
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
8660
diff
changeset
|
1087 |
| 13585 | 1088 private void appendOptimizedStoreField(StoreFieldNode store) { |
| 1089 append(store); | |
| 1090 } | |
|
3733
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parents:
diff
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|
1091 |
| 13585 | 1092 private void appendOptimizedLoadField(Kind kind, LoadFieldNode load) { |
| 1093 // append the load to the instruction | |
| 1094 ValueNode optimized = append(load); | |
| 1095 frameState.push(kind.getStackKind(), optimized); | |
|
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parents:
diff
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|
1096 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1097 |
| 13585 | 1098 private void genInvokeStatic(JavaMethod target) { |
| 1099 if (target instanceof ResolvedJavaMethod) { | |
| 1100 ResolvedJavaMethod resolvedTarget = (ResolvedJavaMethod) target; | |
| 1101 ResolvedJavaType holder = resolvedTarget.getDeclaringClass(); | |
| 1102 if (!holder.isInitialized() && ResolveClassBeforeStaticInvoke.getValue()) { | |
| 1103 handleUnresolvedInvoke(target, InvokeKind.Static); | |
| 1104 } else { | |
| 1105 ValueNode[] args = frameState.popArguments(resolvedTarget.getSignature().getParameterSlots(false), resolvedTarget.getSignature().getParameterCount(false)); | |
| 1106 appendInvoke(InvokeKind.Static, resolvedTarget, args); | |
| 1107 } | |
| 1108 } else { | |
| 1109 handleUnresolvedInvoke(target, InvokeKind.Static); | |
| 11265 | 1110 } |
|
5443
141817e206d4
changes to the dependencies and stamp system:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5425
diff
changeset
|
1111 } |
| 13585 | 1112 |
| 1113 private void genInvokeInterface(JavaMethod target) { | |
| 1114 if (target instanceof ResolvedJavaMethod) { | |
| 1115 ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(true), target.getSignature().getParameterCount(true)); | |
| 1116 genInvokeIndirect(InvokeKind.Interface, (ResolvedJavaMethod) target, args); | |
| 1117 } else { | |
| 1118 handleUnresolvedInvoke(target, InvokeKind.Interface); | |
| 1119 } | |
| 1120 } | |
| 1121 | |
| 1122 private void genInvokeDynamic(JavaMethod target) { | |
| 1123 if (target instanceof ResolvedJavaMethod) { | |
| 1124 Object appendix = constantPool.lookupAppendix(stream.readCPI4(), Bytecodes.INVOKEDYNAMIC); | |
| 1125 if (appendix != null) { | |
| 1126 frameState.apush(ConstantNode.forObject(appendix, metaAccess, currentGraph)); | |
| 1127 } | |
| 1128 ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(false), target.getSignature().getParameterCount(false)); | |
| 1129 appendInvoke(InvokeKind.Static, (ResolvedJavaMethod) target, args); | |
| 1130 } else { | |
| 1131 handleUnresolvedInvoke(target, InvokeKind.Static); | |
|
9837
59d799c965c9
Allow ResolvedJavaType.resolveMethod to return null
Christian Wimmer <christian.wimmer@oracle.com>
parents:
9793
diff
changeset
|
1132 } |
|
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
1133 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
1134 |
| 13585 | 1135 private void genInvokeVirtual(JavaMethod target) { |
| 1136 if (target instanceof ResolvedJavaMethod) { | |
| 1137 /* | |
| 1138 * Special handling for runtimes that rewrite an invocation of | |
| 1139 * MethodHandle.invoke(...) or MethodHandle.invokeExact(...) to a static adapter. | |
| 1140 * HotSpot does this - see | |
| 1141 * https://wikis.oracle.com/display/HotSpotInternals/Method+handles | |
| 1142 * +and+invokedynamic | |
| 1143 */ | |
| 1144 boolean hasReceiver = !isStatic(((ResolvedJavaMethod) target).getModifiers()); | |
| 1145 Object appendix = constantPool.lookupAppendix(stream.readCPI(), Bytecodes.INVOKEVIRTUAL); | |
| 1146 if (appendix != null) { | |
| 1147 frameState.apush(ConstantNode.forObject(appendix, metaAccess, currentGraph)); | |
| 1148 } | |
| 1149 ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(hasReceiver), target.getSignature().getParameterCount(hasReceiver)); | |
| 1150 if (hasReceiver) { | |
| 1151 genInvokeIndirect(InvokeKind.Virtual, (ResolvedJavaMethod) target, args); | |
| 1152 } else { | |
| 1153 appendInvoke(InvokeKind.Static, (ResolvedJavaMethod) target, args); | |
| 1154 } | |
| 1155 } else { | |
| 1156 handleUnresolvedInvoke(target, InvokeKind.Virtual); | |
| 1157 } | |
|
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parents:
diff
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|
1158 |
|
5256
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Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
1159 } |
|
1e153fdac9fb
Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
1160 |
| 13585 | 1161 private void genInvokeSpecial(JavaMethod target) { |
| 1162 if (target instanceof ResolvedJavaMethod) { | |
| 1163 assert target != null; | |
| 1164 assert target.getSignature() != null; | |
| 1165 ValueNode[] args = frameState.popArguments(target.getSignature().getParameterSlots(true), target.getSignature().getParameterCount(true)); | |
| 1166 invokeDirect((ResolvedJavaMethod) target, args); | |
| 1167 } else { | |
| 1168 handleUnresolvedInvoke(target, InvokeKind.Special); | |
|
11319
602a25aade24
GraphBuilderPhase: Insert explicit null checks for invokes if an exception has been seen
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
11314
diff
changeset
|
1169 } |
|
9389
708aea0e5a25
Introduce proxy nodes for propagating profiling information.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9322
diff
changeset
|
1170 } |
|
13496
a245e3585ad4
Make invoke node creation overrideable by subclasses
Christian Wimmer <christian.wimmer@oracle.com>
parents:
13342
diff
changeset
|
1171 |
| 13585 | 1172 private void genInvokeIndirect(InvokeKind invokeKind, ResolvedJavaMethod target, ValueNode[] args) { |
| 1173 ValueNode receiver = args[0]; | |
| 1174 // attempt to devirtualize the call | |
| 1175 ResolvedJavaType klass = target.getDeclaringClass(); | |
|
13221
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Erik Eckstein <erik.eckstein@oracle.com>
parents:
13148
diff
changeset
|
1176 |
| 13585 | 1177 // 0. check for trivial cases |
| 1178 if (target.canBeStaticallyBound()) { | |
| 1179 // check for trivial cases (e.g. final methods, nonvirtual methods) | |
| 1180 invokeDirect(target, args); | |
| 1181 return; | |
| 1182 } | |
| 1183 // 1. check if the exact type of the receiver can be determined | |
| 1184 ResolvedJavaType exact = klass.asExactType(); | |
| 1185 if (exact == null && receiver.stamp() instanceof ObjectStamp) { | |
| 1186 ObjectStamp receiverStamp = (ObjectStamp) receiver.stamp(); | |
| 1187 if (receiverStamp.isExactType()) { | |
| 1188 exact = receiverStamp.type(); | |
| 1189 } | |
| 1190 } | |
| 1191 if (exact != null) { | |
| 1192 // either the holder class is exact, or the receiver object has an exact type | |
| 1193 ResolvedJavaMethod exactMethod = exact.resolveMethod(target); | |
| 1194 if (exactMethod != null) { | |
| 1195 invokeDirect(exactMethod, args); | |
| 1196 return; | |
| 1197 } | |
| 1198 } | |
| 1199 // devirtualization failed, produce an actual invokevirtual | |
| 1200 appendInvoke(invokeKind, target, args); | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1201 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1202 |
| 13585 | 1203 private void invokeDirect(ResolvedJavaMethod target, ValueNode[] args) { |
| 1204 appendInvoke(InvokeKind.Special, target, args); | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1205 } |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1206 |
| 13585 | 1207 private void appendInvoke(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] args) { |
| 1208 Kind resultType = targetMethod.getSignature().getReturnKind(); | |
| 1209 if (DeoptALot.getValue()) { | |
| 1210 append(new DeoptimizeNode(DeoptimizationAction.None, RuntimeConstraint)); | |
| 1211 frameState.pushReturn(resultType, ConstantNode.defaultForKind(resultType, currentGraph)); | |
| 1212 return; | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1213 } |
|
e233f5660da4
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parents:
diff
changeset
|
1214 |
| 13585 | 1215 JavaType returnType = targetMethod.getSignature().getReturnType(method.getDeclaringClass()); |
| 1216 if (graphBuilderConfig.eagerResolving()) { | |
| 1217 returnType = returnType.resolve(targetMethod.getDeclaringClass()); | |
|
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25903e52af48
Add assertion around probabilities, and fix potential problem in ComputeProbabilityPhase
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5130
diff
changeset
|
1218 } |
| 13585 | 1219 if (invokeKind != InvokeKind.Static) { |
| 1220 emitExplicitExceptions(args[0], null); | |
| 1221 if (invokeKind != InvokeKind.Special && this.optimisticOpts.useTypeCheckHints()) { | |
| 1222 JavaTypeProfile profile = profilingInfo.getTypeProfile(bci()); | |
| 1223 args[0] = TypeProfileProxyNode.create(args[0], profile); | |
| 1224 } | |
| 1225 } | |
| 1226 MethodCallTargetNode callTarget = currentGraph.add(createMethodCallTarget(invokeKind, targetMethod, args, returnType)); | |
|
5146
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Add assertion around probabilities, and fix potential problem in ComputeProbabilityPhase
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5130
diff
changeset
|
1227 |
| 13585 | 1228 // be conservative if information was not recorded (could result in endless recompiles |
| 1229 // otherwise) | |
| 1230 if (graphBuilderConfig.omitAllExceptionEdges() || (optimisticOpts.useExceptionProbability() && profilingInfo.getExceptionSeen(bci()) == TriState.FALSE)) { | |
| 1231 createInvoke(callTarget, resultType); | |
| 1232 } else { | |
| 1233 assert bci() == currentBlock.endBci; | |
|
14533
e5235120893c
split BciBlockMapping liveness calculation into fast and slow path
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14521
diff
changeset
|
1234 frameState.clearNonLiveLocals(currentBlock, liveness, false); |
|
7705
96a596d751ab
remove successorProbabilities from SwitchNode
Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1235 |
| 13585 | 1236 InvokeWithExceptionNode invoke = createInvokeWithException(callTarget, resultType); |
|
5698
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Lukas Stadler <lukas.stadler@jku.at>
parents:
5695
diff
changeset
|
1237 |
| 13585 | 1238 Block nextBlock = currentBlock.successors.get(0); |
| 1239 invoke.setNext(createTarget(nextBlock, frameState)); | |
|
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1240 } |
|
764db9ada24f
rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
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parents:
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diff
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|
1241 } |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1242 |
| 13585 | 1243 protected MethodCallTargetNode createMethodCallTarget(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] args, JavaType returnType) { |
| 1244 return new MethodCallTargetNode(invokeKind, targetMethod, args, returnType); | |
| 1245 } | |
| 1246 | |
| 1247 protected InvokeNode createInvoke(CallTargetNode callTarget, Kind resultType) { | |
| 1248 InvokeNode invoke = append(new InvokeNode(callTarget, bci())); | |
| 1249 frameState.pushReturn(resultType, invoke); | |
| 1250 return invoke; | |
| 1251 } | |
| 1252 | |
| 1253 protected InvokeWithExceptionNode createInvokeWithException(CallTargetNode callTarget, Kind resultType) { | |
| 1254 DispatchBeginNode exceptionEdge = handleException(null, bci()); | |
| 1255 InvokeWithExceptionNode invoke = append(new InvokeWithExceptionNode(callTarget, exceptionEdge, bci())); | |
| 1256 frameState.pushReturn(resultType, invoke); | |
| 1257 Block nextBlock = currentBlock.successors.get(0); | |
| 1258 invoke.setStateAfter(frameState.create(nextBlock.startBci)); | |
| 1259 return invoke; | |
| 1260 } | |
| 1261 | |
| 1262 private void genReturn(ValueNode x) { | |
|
13692
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1263 frameState.setRethrowException(false); |
| 13585 | 1264 frameState.clearStack(); |
|
13692
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Lukas Stadler <lukas.stadler@jku.at>
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diff
changeset
|
1265 if (graphBuilderConfig.eagerInfopointMode()) { |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
parents:
13585
diff
changeset
|
1266 append(new InfopointNode(InfopointReason.METHOD_END, frameState.create(bci()))); |
| 13585 | 1267 } |
|
13692
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
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|
1268 |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
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diff
changeset
|
1269 synchronizedEpilogue(FrameState.AFTER_BCI, x); |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1270 if (frameState.lockDepth() != 0) { |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1271 throw new BailoutException("unbalanced monitors"); |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1272 } |
|
c215dec9d3cf
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parents:
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diff
changeset
|
1273 |
|
c215dec9d3cf
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Lukas Stadler <lukas.stadler@jku.at>
parents:
13585
diff
changeset
|
1274 append(new ReturnNode(x)); |
| 13585 | 1275 } |
| 1276 | |
| 1277 private MonitorEnterNode genMonitorEnter(ValueNode x) { | |
| 1278 MonitorIdNode monitorId = currentGraph.add(new MonitorIdNode(frameState.lockDepth())); | |
| 1279 MonitorEnterNode monitorEnter = append(new MonitorEnterNode(x, monitorId)); | |
| 1280 frameState.pushLock(x, monitorId); | |
| 1281 return monitorEnter; | |
| 1282 } | |
| 1283 | |
| 1284 private MonitorExitNode genMonitorExit(ValueNode x, ValueNode returnValue) { | |
| 1285 MonitorIdNode monitorId = frameState.peekMonitorId(); | |
| 1286 ValueNode lockedObject = frameState.popLock(); | |
| 1287 if (GraphUtil.originalValue(lockedObject) != GraphUtil.originalValue(x)) { | |
| 1288 throw new BailoutException("unbalanced monitors: mismatch at monitorexit, %s != %s", GraphUtil.originalValue(x), GraphUtil.originalValue(lockedObject)); | |
| 1289 } | |
| 1290 MonitorExitNode monitorExit = append(new MonitorExitNode(x, monitorId, returnValue)); | |
| 1291 return monitorExit; | |
| 1292 } | |
| 1293 | |
| 1294 private void genJsr(int dest) { | |
| 1295 Block successor = currentBlock.jsrSuccessor; | |
| 1296 assert successor.startBci == dest : successor.startBci + " != " + dest + " @" + bci(); | |
| 1297 JsrScope scope = currentBlock.jsrScope; | |
| 1298 if (!successor.jsrScope.pop().equals(scope)) { | |
| 1299 throw new JsrNotSupportedBailout("unstructured control flow (internal limitation)"); | |
| 1300 } | |
| 1301 if (successor.jsrScope.nextReturnAddress() != stream().nextBCI()) { | |
| 1302 throw new JsrNotSupportedBailout("unstructured control flow (internal limitation)"); | |
| 1303 } | |
| 1304 frameState.push(Kind.Int, ConstantNode.forInt(stream().nextBCI(), currentGraph)); | |
| 1305 appendGoto(createTarget(successor, frameState)); | |
| 1306 } | |
| 1307 | |
| 1308 private void genRet(int localIndex) { | |
| 1309 Block successor = currentBlock.retSuccessor; | |
| 1310 ValueNode local = frameState.loadLocal(localIndex); | |
| 1311 JsrScope scope = currentBlock.jsrScope; | |
| 1312 int retAddress = scope.nextReturnAddress(); | |
| 1313 append(new FixedGuardNode(currentGraph.unique(new IntegerEqualsNode(local, ConstantNode.forInt(retAddress, currentGraph))), JavaSubroutineMismatch, InvalidateReprofile)); | |
| 1314 if (!successor.jsrScope.equals(scope.pop())) { | |
| 1315 throw new JsrNotSupportedBailout("unstructured control flow (ret leaves more than one scope)"); | |
| 1316 } | |
| 1317 appendGoto(createTarget(successor, frameState)); | |
| 1318 } | |
| 1319 | |
| 1320 private double[] switchProbability(int numberOfCases, int bci) { | |
| 1321 double[] prob = profilingInfo.getSwitchProbabilities(bci); | |
| 1322 if (prob != null) { | |
| 1323 assert prob.length == numberOfCases; | |
| 1324 } else { | |
| 1325 Debug.log("Missing probability (switch) in %s at bci %d", method, bci); | |
| 1326 prob = new double[numberOfCases]; | |
| 1327 for (int i = 0; i < numberOfCases; i++) { | |
| 1328 prob[i] = 1.0d / numberOfCases; | |
| 1329 } | |
| 1330 } | |
| 1331 assert allPositive(prob); | |
| 1332 return prob; | |
| 1333 } | |
| 1334 | |
| 1335 private static boolean allPositive(double[] a) { | |
| 1336 for (double d : a) { | |
| 1337 if (d < 0) { | |
| 1338 return false; | |
| 1339 } | |
| 1340 } | |
| 1341 return true; | |
| 1342 } | |
| 1343 | |
| 1344 /** | |
| 1345 * Helper function that sums up the probabilities of all keys that lead to a specific | |
| 1346 * successor. | |
| 1347 * | |
| 1348 * @return an array of size successorCount with the accumulated probability for each | |
| 1349 * successor. | |
| 1350 */ | |
| 1351 private static double[] successorProbabilites(int successorCount, int[] keySuccessors, double[] keyProbabilities) { | |
| 1352 double[] probability = new double[successorCount]; | |
| 1353 for (int i = 0; i < keySuccessors.length; i++) { | |
| 1354 probability[keySuccessors[i]] += keyProbabilities[i]; | |
| 1355 } | |
| 1356 return probability; | |
| 1357 } | |
| 1358 | |
| 1359 private void genSwitch(BytecodeSwitch bs) { | |
| 1360 int bci = bci(); | |
| 1361 ValueNode value = frameState.ipop(); | |
| 1362 | |
| 1363 int nofCases = bs.numberOfCases(); | |
| 1364 double[] keyProbabilities = switchProbability(nofCases + 1, bci); | |
| 1365 | |
| 1366 Map<Integer, SuccessorInfo> bciToBlockSuccessorIndex = new HashMap<>(); | |
| 1367 for (int i = 0; i < currentBlock.successors.size(); i++) { | |
| 1368 assert !bciToBlockSuccessorIndex.containsKey(currentBlock.successors.get(i).startBci); | |
| 1369 if (!bciToBlockSuccessorIndex.containsKey(currentBlock.successors.get(i).startBci)) { | |
| 1370 bciToBlockSuccessorIndex.put(currentBlock.successors.get(i).startBci, new SuccessorInfo(i)); | |
| 1371 } | |
|
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diff
changeset
|
1372 } |
|
5698
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Lukas Stadler <lukas.stadler@jku.at>
parents:
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diff
changeset
|
1373 |
| 13585 | 1374 ArrayList<Block> actualSuccessors = new ArrayList<>(); |
| 1375 int[] keys = new int[nofCases]; | |
| 1376 int[] keySuccessors = new int[nofCases + 1]; | |
| 1377 int deoptSuccessorIndex = -1; | |
| 1378 int nextSuccessorIndex = 0; | |
| 1379 for (int i = 0; i < nofCases + 1; i++) { | |
| 1380 if (i < nofCases) { | |
| 1381 keys[i] = bs.keyAt(i); | |
|
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
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diff
changeset
|
1382 } |
| 13585 | 1383 |
| 1384 if (isNeverExecutedCode(keyProbabilities[i])) { | |
| 1385 if (deoptSuccessorIndex < 0) { | |
| 1386 deoptSuccessorIndex = nextSuccessorIndex++; | |
| 1387 actualSuccessors.add(null); | |
| 1388 } | |
| 1389 keySuccessors[i] = deoptSuccessorIndex; | |
| 1390 } else { | |
| 1391 int targetBci = i >= nofCases ? bs.defaultTarget() : bs.targetAt(i); | |
| 1392 SuccessorInfo info = bciToBlockSuccessorIndex.get(targetBci); | |
| 1393 if (info.actualIndex < 0) { | |
| 1394 info.actualIndex = nextSuccessorIndex++; | |
| 1395 actualSuccessors.add(currentBlock.successors.get(info.blockIndex)); | |
| 1396 } | |
| 1397 keySuccessors[i] = info.actualIndex; | |
|
7063
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parents:
6699
diff
changeset
|
1398 } |
| 13585 | 1399 } |
| 1400 | |
| 1401 double[] successorProbabilities = successorProbabilites(actualSuccessors.size(), keySuccessors, keyProbabilities); | |
| 1402 IntegerSwitchNode switchNode = append(new IntegerSwitchNode(value, actualSuccessors.size(), keys, keyProbabilities, keySuccessors)); | |
| 1403 for (int i = 0; i < actualSuccessors.size(); i++) { | |
| 1404 switchNode.setBlockSuccessor(i, createBlockTarget(successorProbabilities[i], actualSuccessors.get(i), frameState)); | |
| 1405 } | |
| 1406 | |
| 1407 } | |
| 1408 | |
| 1409 private static class SuccessorInfo { | |
| 1410 | |
| 1411 int blockIndex; | |
| 1412 int actualIndex; | |
| 1413 | |
| 1414 public SuccessorInfo(int blockSuccessorIndex) { | |
| 1415 this.blockIndex = blockSuccessorIndex; | |
| 1416 actualIndex = -1; | |
|
7063
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Christian Haeubl <haeubl@ssw.jku.at>
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diff
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|
1417 } |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
1418 } |
|
7063
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diff
changeset
|
1419 |
| 13585 | 1420 protected ConstantNode appendConstant(Constant constant) { |
| 1421 assert constant != null; | |
| 1422 return ConstantNode.forConstant(constant, metaAccess, currentGraph); | |
| 1423 } | |
| 1424 | |
| 1425 private <T extends ControlSinkNode> T append(T fixed) { | |
| 1426 assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; | |
| 1427 assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; | |
| 1428 T added = currentGraph.add(fixed); | |
| 1429 lastInstr.setNext(added); | |
| 1430 lastInstr = null; | |
| 1431 return added; | |
| 1432 } | |
| 1433 | |
| 1434 private <T extends ControlSplitNode> T append(T fixed) { | |
| 1435 assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; | |
| 1436 assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; | |
| 1437 T added = currentGraph.add(fixed); | |
| 1438 lastInstr.setNext(added); | |
| 1439 lastInstr = null; | |
| 1440 return added; | |
| 1441 } | |
| 1442 | |
| 1443 protected <T extends FixedWithNextNode> T append(T fixed) { | |
| 1444 assert !fixed.isAlive() && !fixed.isDeleted() : "instruction should not have been appended yet"; | |
| 1445 assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")"; | |
| 1446 T added = currentGraph.add(fixed); | |
| 1447 lastInstr.setNext(added); | |
| 1448 lastInstr = added; | |
| 1449 return added; | |
| 1450 } | |
| 1451 | |
| 1452 private <T extends FloatingNode> T append(T v) { | |
| 1453 assert !(v instanceof ConstantNode); | |
| 1454 T added = currentGraph.unique(v); | |
| 1455 return added; | |
| 1456 } | |
| 1457 | |
| 1458 private static class Target { | |
| 1459 | |
| 1460 FixedNode fixed; | |
|
14792
b9805a622546
Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
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diff
changeset
|
1461 HIRFrameStateBuilder state; |
| 13585 | 1462 |
|
14792
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Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
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14068
diff
changeset
|
1463 public Target(FixedNode fixed, HIRFrameStateBuilder state) { |
| 13585 | 1464 this.fixed = fixed; |
| 1465 this.state = state; | |
| 1466 } | |
|
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|
1467 } |
|
0d7dfa5b79e8
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diff
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|
1468 |
|
14792
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diff
changeset
|
1469 private Target checkLoopExit(FixedNode target, Block targetBlock, HIRFrameStateBuilder state) { |
| 13585 | 1470 if (currentBlock != null) { |
| 1471 long exits = currentBlock.loops & ~targetBlock.loops; | |
| 1472 if (exits != 0) { | |
| 1473 LoopExitNode firstLoopExit = null; | |
| 1474 LoopExitNode lastLoopExit = null; | |
|
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parents:
diff
changeset
|
1475 |
| 13585 | 1476 int pos = 0; |
| 1477 ArrayList<Block> exitLoops = new ArrayList<>(Long.bitCount(exits)); | |
| 1478 do { | |
| 1479 long lMask = 1L << pos; | |
| 1480 if ((exits & lMask) != 0) { | |
| 1481 exitLoops.add(loopHeaders[pos]); | |
| 1482 exits &= ~lMask; | |
| 1483 } | |
| 1484 pos++; | |
| 1485 } while (exits != 0); | |
|
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parents:
diff
changeset
|
1486 |
| 13585 | 1487 Collections.sort(exitLoops, new Comparator<Block>() { |
|
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parents:
diff
changeset
|
1488 |
| 13585 | 1489 @Override |
| 1490 public int compare(Block o1, Block o2) { | |
| 1491 return Long.bitCount(o2.loops) - Long.bitCount(o1.loops); | |
| 1492 } | |
| 1493 }); | |
|
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7522
diff
changeset
|
1494 |
| 13585 | 1495 int bci = targetBlock.startBci; |
| 1496 if (targetBlock instanceof ExceptionDispatchBlock) { | |
| 1497 bci = ((ExceptionDispatchBlock) targetBlock).deoptBci; | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
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parents:
5160
diff
changeset
|
1498 } |
|
14792
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diff
changeset
|
1499 HIRFrameStateBuilder newState = state.copy(); |
| 13585 | 1500 for (Block loop : exitLoops) { |
| 1501 LoopBeginNode loopBegin = (LoopBeginNode) loop.firstInstruction; | |
| 1502 LoopExitNode loopExit = currentGraph.add(new LoopExitNode(loopBegin)); | |
| 1503 if (lastLoopExit != null) { | |
| 1504 lastLoopExit.setNext(loopExit); | |
| 1505 } | |
| 1506 if (firstLoopExit == null) { | |
| 1507 firstLoopExit = loopExit; | |
| 1508 } | |
| 1509 lastLoopExit = loopExit; | |
| 1510 Debug.log("Target %s (%s) Exits %s, scanning framestates...", targetBlock, target, loop); | |
| 1511 newState.insertLoopProxies(loopExit, loop.entryState); | |
| 1512 loopExit.setStateAfter(newState.create(bci)); | |
| 1513 } | |
|
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7522
diff
changeset
|
1514 |
| 13585 | 1515 lastLoopExit.setNext(target); |
| 1516 return new Target(firstLoopExit, newState); | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1517 } |
| 13585 | 1518 } |
| 1519 return new Target(target, state); | |
| 1520 } | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1521 |
|
14792
b9805a622546
Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14068
diff
changeset
|
1522 private FixedNode createTarget(double probability, Block block, HIRFrameStateBuilder stateAfter) { |
| 13585 | 1523 assert probability >= 0 && probability <= 1.01 : probability; |
| 1524 if (isNeverExecutedCode(probability)) { | |
| 1525 return currentGraph.add(new DeoptimizeNode(InvalidateReprofile, UnreachedCode)); | |
| 1526 } else { | |
| 1527 assert block != null; | |
| 1528 return createTarget(block, stateAfter); | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1529 } |
|
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1530 } |
| 13585 | 1531 |
| 1532 private boolean isNeverExecutedCode(double probability) { | |
| 1533 return probability == 0 && optimisticOpts.removeNeverExecutedCode() && entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI; | |
| 1534 } | |
| 1535 | |
|
14792
b9805a622546
Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14068
diff
changeset
|
1536 private FixedNode createTarget(Block block, HIRFrameStateBuilder state) { |
| 13585 | 1537 assert block != null && state != null; |
| 1538 assert !block.isExceptionEntry || state.stackSize() == 1; | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1539 |
| 13585 | 1540 if (block.firstInstruction == null) { |
| 1541 /* | |
| 1542 * This is the first time we see this block as a branch target. Create and return a | |
| 1543 * placeholder that later can be replaced with a MergeNode when we see this block | |
| 1544 * again. | |
| 1545 */ | |
| 1546 block.firstInstruction = currentGraph.add(new BlockPlaceholderNode(this)); | |
| 1547 Target target = checkLoopExit(block.firstInstruction, block, state); | |
| 1548 FixedNode result = target.fixed; | |
| 1549 block.entryState = target.state == state ? state.copy() : target.state; | |
|
14533
e5235120893c
split BciBlockMapping liveness calculation into fast and slow path
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14521
diff
changeset
|
1550 block.entryState.clearNonLiveLocals(block, liveness, true); |
| 13585 | 1551 |
| 1552 Debug.log("createTarget %s: first visit, result: %s", block, block.firstInstruction); | |
| 1553 return result; | |
| 1554 } | |
| 1555 | |
| 1556 // We already saw this block before, so we have to merge states. | |
| 1557 if (!block.entryState.isCompatibleWith(state)) { | |
| 1558 throw new BailoutException("stacks do not match; bytecodes would not verify"); | |
| 1559 } | |
|
5051
2ab527c53dba
another fix for goto's deopt case
Christian Haeubl <christian.haeubl@oracle.com>
parents:
5050
diff
changeset
|
1560 |
| 13585 | 1561 if (block.firstInstruction instanceof LoopBeginNode) { |
| 1562 assert block.isLoopHeader && currentBlock.blockID >= block.blockID : "must be backward branch"; | |
| 1563 /* | |
| 1564 * Backward loop edge. We need to create a special LoopEndNode and merge with the | |
| 1565 * loop begin node created before. | |
| 1566 */ | |
| 1567 LoopBeginNode loopBegin = (LoopBeginNode) block.firstInstruction; | |
| 1568 Target target = checkLoopExit(currentGraph.add(new LoopEndNode(loopBegin)), block, state); | |
| 1569 FixedNode result = target.fixed; | |
| 1570 block.entryState.merge(loopBegin, target.state); | |
|
7063
0d7dfa5b79e8
merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6699
diff
changeset
|
1571 |
| 13585 | 1572 Debug.log("createTarget %s: merging backward branch to loop header %s, result: %s", block, loopBegin, result); |
| 1573 return result; | |
| 1574 } | |
| 1575 assert currentBlock == null || currentBlock.blockID < block.blockID : "must not be backward branch"; | |
| 1576 assert block.firstInstruction.next() == null : "bytecodes already parsed for block"; | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1577 |
| 13585 | 1578 if (block.firstInstruction instanceof BlockPlaceholderNode) { |
| 1579 /* | |
| 1580 * This is the second time we see this block. Create the actual MergeNode and the | |
| 1581 * End Node for the already existing edge. For simplicity, we leave the placeholder | |
| 1582 * in the graph and just append the new nodes after the placeholder. | |
| 1583 */ | |
| 1584 BlockPlaceholderNode placeholder = (BlockPlaceholderNode) block.firstInstruction; | |
| 1585 | |
| 1586 // The EndNode for the already existing edge. | |
| 1587 AbstractEndNode end = currentGraph.add(new EndNode()); | |
| 1588 // The MergeNode that replaces the placeholder. | |
| 1589 MergeNode mergeNode = currentGraph.add(new MergeNode()); | |
| 1590 FixedNode next = placeholder.next(); | |
| 1591 | |
| 1592 placeholder.setNext(end); | |
| 1593 mergeNode.addForwardEnd(end); | |
| 1594 mergeNode.setNext(next); | |
| 1595 | |
| 1596 block.firstInstruction = mergeNode; | |
| 1597 } | |
| 1598 | |
| 1599 MergeNode mergeNode = (MergeNode) block.firstInstruction; | |
| 1600 | |
| 1601 // The EndNode for the newly merged edge. | |
| 1602 AbstractEndNode newEnd = currentGraph.add(new EndNode()); | |
| 1603 Target target = checkLoopExit(newEnd, block, state); | |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1604 FixedNode result = target.fixed; |
| 13585 | 1605 block.entryState.merge(mergeNode, target.state); |
| 1606 mergeNode.addForwardEnd(newEnd); | |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1607 |
| 13585 | 1608 Debug.log("createTarget %s: merging state, result: %s", block, result); |
|
5210
e3e7542d78b7
Loop-closed form GraphBuidling
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
5160
diff
changeset
|
1609 return result; |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1610 } |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1611 |
| 13585 | 1612 /** |
| 1613 * Returns a block begin node with the specified state. If the specified probability is 0, | |
| 1614 * the block deoptimizes immediately. | |
| 1615 */ | |
|
14792
b9805a622546
Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14068
diff
changeset
|
1616 private AbstractBeginNode createBlockTarget(double probability, Block block, HIRFrameStateBuilder stateAfter) { |
| 13585 | 1617 FixedNode target = createTarget(probability, block, stateAfter); |
| 1618 AbstractBeginNode begin = AbstractBeginNode.begin(target); | |
| 1619 | |
| 1620 assert !(target instanceof DeoptimizeNode && begin.stateAfter() != null) : "We are not allowed to set the stateAfter of the begin node, because we have to deoptimize " | |
| 1621 + "to a bci _before_ the actual if, so that the interpreter can update the profiling information."; | |
| 1622 return begin; | |
|
4614
a3882fd1ae61
Make it possible to have multiple LoopEnds per LoopBegin
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4554
diff
changeset
|
1623 } |
|
a3882fd1ae61
Make it possible to have multiple LoopEnds per LoopBegin
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4554
diff
changeset
|
1624 |
|
14792
b9805a622546
Created abstract class FrameStateBuilder
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14068
diff
changeset
|
1625 private ValueNode synchronizedObject(HIRFrameStateBuilder state, ResolvedJavaMethod target) { |
| 13585 | 1626 if (isStatic(target.getModifiers())) { |
| 1627 return appendConstant(target.getDeclaringClass().getEncoding(Representation.JavaClass)); | |
| 1628 } else { | |
| 1629 return state.loadLocal(0); | |
| 1630 } | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1631 } |
|
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1632 |
| 13585 | 1633 private void processBlock(Block block) { |
| 1634 // Ignore blocks that have no predecessors by the time their bytecodes are parsed | |
| 1635 if (block == null || block.firstInstruction == null) { | |
| 1636 Debug.log("Ignoring block %s", block); | |
| 1637 return; | |
| 1638 } | |
| 1639 Indent indent = Debug.logAndIndent("Parsing block %s firstInstruction: %s loopHeader: %b", block, block.firstInstruction, block.isLoopHeader); | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1640 |
| 13585 | 1641 lastInstr = block.firstInstruction; |
| 1642 frameState = block.entryState; | |
| 1643 currentBlock = block; | |
|
5029
74f47ef37394
Fix and enable liveness analysis to prune unnecessary frame state entries
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5026
diff
changeset
|
1644 |
| 13585 | 1645 frameState.cleanupDeletedPhis(); |
| 1646 if (lastInstr instanceof MergeNode) { | |
| 1647 int bci = block.startBci; | |
| 1648 if (block instanceof ExceptionDispatchBlock) { | |
| 1649 bci = ((ExceptionDispatchBlock) block).deoptBci; | |
| 1650 } | |
| 1651 ((MergeNode) lastInstr).setStateAfter(frameState.create(bci)); | |
| 1652 } | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1653 |
|
13692
c215dec9d3cf
allow multiple ReturnNodes per graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
13585
diff
changeset
|
1654 if (block == unwindBlock) { |
| 13585 | 1655 frameState.setRethrowException(false); |
| 1656 createUnwind(); | |
| 1657 } else if (block instanceof ExceptionDispatchBlock) { | |
| 1658 createExceptionDispatch((ExceptionDispatchBlock) block); | |
| 1659 } else { | |
| 1660 frameState.setRethrowException(false); | |
| 1661 iterateBytecodesForBlock(block); | |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1662 } |
| 13585 | 1663 indent.outdent(); |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1664 } |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1665 |
| 13585 | 1666 private void connectLoopEndToBegin() { |
| 1667 for (LoopBeginNode begin : currentGraph.getNodes(LoopBeginNode.class)) { | |
| 1668 if (begin.loopEnds().isEmpty()) { | |
| 1669 // @formatter:off | |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1670 // Remove loop header without loop ends. |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1671 // This can happen with degenerated loops like this one: |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1672 // for (;;) { |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1673 // try { |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1674 // break; |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1675 // } catch (UnresolvedException iioe) { |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1676 // } |
|
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1677 // } |
|
7522
4cc0efe5cffe
disabled auto-formatting of manually formatted code
Doug Simon <doug.simon@oracle.com>
parents:
7305
diff
changeset
|
1678 // @formatter:on |
| 13585 | 1679 assert begin.forwardEndCount() == 1; |
| 1680 currentGraph.reduceDegenerateLoopBegin(begin); | |
| 1681 } else { | |
| 1682 GraphUtil.normalizeLoopBegin(begin); | |
|
4548
f55914bc1d67
Added experimental ConvertDeoptimizeToGuardPhase.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4541
diff
changeset
|
1683 } |
|
f55914bc1d67
Added experimental ConvertDeoptimizeToGuardPhase.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4541
diff
changeset
|
1684 } |
|
5256
1e153fdac9fb
Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
1685 } |
|
4548
f55914bc1d67
Added experimental ConvertDeoptimizeToGuardPhase.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4541
diff
changeset
|
1686 |
| 13585 | 1687 private void createUnwind() { |
| 1688 assert frameState.stackSize() == 1 : frameState; | |
| 1689 ValueNode exception = frameState.apop(); | |
| 1690 append(new FixedGuardNode(currentGraph.unique(new IsNullNode(exception)), NullCheckException, InvalidateReprofile, true)); | |
| 1691 synchronizedEpilogue(FrameState.AFTER_EXCEPTION_BCI, null); | |
| 1692 append(new UnwindNode(exception)); | |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1693 } |
| 13585 | 1694 |
| 1695 private void synchronizedEpilogue(int bci, ValueNode returnValue) { | |
| 1696 if (Modifier.isSynchronized(method.getModifiers())) { | |
| 1697 MonitorExitNode monitorExit = genMonitorExit(methodSynchronizedObject, returnValue); | |
|
13692
c215dec9d3cf
allow multiple ReturnNodes per graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
13585
diff
changeset
|
1698 if (returnValue != null) { |
|
14817
80147dac0d6e
LIRFrameStateBuilder added
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
1699 frameState.push(returnValue.getKind(), returnValue); |
|
13692
c215dec9d3cf
allow multiple ReturnNodes per graph
Lukas Stadler <lukas.stadler@jku.at>
parents:
13585
diff
changeset
|
1700 } |
| 13585 | 1701 monitorExit.setStateAfter(frameState.create(bci)); |
| 1702 assert !frameState.rethrowException(); | |
| 1703 } | |
| 1704 } | |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1705 |
| 13585 | 1706 private void createExceptionDispatch(ExceptionDispatchBlock block) { |
| 1707 assert frameState.stackSize() == 1 : frameState; | |
| 1708 if (block.handler.isCatchAll()) { | |
| 1709 assert block.successors.size() == 1; | |
| 1710 appendGoto(createTarget(block.successors.get(0), frameState)); | |
| 1711 return; | |
| 1712 } | |
|
5026
b11561111585
Remove FrameStateAccess: Make FrameState immutable and move all modification logic into FrameStateBuilder
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4997
diff
changeset
|
1713 |
| 13585 | 1714 JavaType catchType = block.handler.getCatchType(); |
| 1715 if (graphBuilderConfig.eagerResolving()) { | |
| 1716 catchType = lookupType(block.handler.catchTypeCPI(), INSTANCEOF); | |
| 1717 } | |
| 1718 boolean initialized = (catchType instanceof ResolvedJavaType); | |
| 1719 if (initialized && graphBuilderConfig.getSkippedExceptionTypes() != null) { | |
| 1720 ResolvedJavaType resolvedCatchType = (ResolvedJavaType) catchType; | |
| 1721 for (ResolvedJavaType skippedType : graphBuilderConfig.getSkippedExceptionTypes()) { | |
| 1722 if (skippedType.isAssignableFrom(resolvedCatchType)) { | |
|
13791
2a43fba3d039
fix handling of skipped exceptions (must not cut off other exception types or unwind)
Andreas Woess <andreas.woess@jku.at>
parents:
13692
diff
changeset
|
1723 Block nextBlock = block.successors.size() == 1 ? unwindBlock(block.deoptBci) : block.successors.get(1); |
|
2a43fba3d039
fix handling of skipped exceptions (must not cut off other exception types or unwind)
Andreas Woess <andreas.woess@jku.at>
parents:
13692
diff
changeset
|
1724 ValueNode exception = frameState.stackAt(0); |
|
2a43fba3d039
fix handling of skipped exceptions (must not cut off other exception types or unwind)
Andreas Woess <andreas.woess@jku.at>
parents:
13692
diff
changeset
|
1725 FixedNode trueSuccessor = currentGraph.add(new DeoptimizeNode(InvalidateReprofile, UnreachedCode)); |
|
2a43fba3d039
fix handling of skipped exceptions (must not cut off other exception types or unwind)
Andreas Woess <andreas.woess@jku.at>
parents:
13692
diff
changeset
|
1726 FixedNode nextDispatch = createTarget(nextBlock, frameState); |
|
2a43fba3d039
fix handling of skipped exceptions (must not cut off other exception types or unwind)
Andreas Woess <andreas.woess@jku.at>
parents:
13692
diff
changeset
|
1727 append(new IfNode(currentGraph.unique(new InstanceOfNode((ResolvedJavaType) catchType, exception, null)), trueSuccessor, nextDispatch, 0)); |
| 13585 | 1728 return; |
| 1729 } | |
|
9003
a8fea2979e63
eager infopoint mode (fka debug mode)
Michael Haupt <michael.haupt@oracle.com>
parents:
8660
diff
changeset
|
1730 } |
|
a8fea2979e63
eager infopoint mode (fka debug mode)
Michael Haupt <michael.haupt@oracle.com>
parents:
8660
diff
changeset
|
1731 } |
|
a8fea2979e63
eager infopoint mode (fka debug mode)
Michael Haupt <michael.haupt@oracle.com>
parents:
8660
diff
changeset
|
1732 |
|
13798
5318db77ec76
GraphBuilderPhase: remove unused constant added by createExceptionDispatch
Andreas Woess <andreas.woess@jku.at>
parents:
13791
diff
changeset
|
1733 if (initialized) { |
| 13585 | 1734 Block nextBlock = block.successors.size() == 1 ? unwindBlock(block.deoptBci) : block.successors.get(1); |
| 1735 ValueNode exception = frameState.stackAt(0); | |
| 1736 CheckCastNode checkCast = currentGraph.add(new CheckCastNode((ResolvedJavaType) catchType, exception, null, false)); | |
| 1737 frameState.apop(); | |
| 1738 frameState.push(Kind.Object, checkCast); | |
| 1739 FixedNode catchSuccessor = createTarget(block.successors.get(0), frameState); | |
| 1740 frameState.apop(); | |
| 1741 frameState.push(Kind.Object, exception); | |
| 1742 FixedNode nextDispatch = createTarget(nextBlock, frameState); | |
| 1743 checkCast.setNext(catchSuccessor); | |
| 1744 append(new IfNode(currentGraph.unique(new InstanceOfNode((ResolvedJavaType) catchType, exception, null)), checkCast, nextDispatch, 0.5)); | |
|
13798
5318db77ec76
GraphBuilderPhase: remove unused constant added by createExceptionDispatch
Andreas Woess <andreas.woess@jku.at>
parents:
13791
diff
changeset
|
1745 } else { |
|
5318db77ec76
GraphBuilderPhase: remove unused constant added by createExceptionDispatch
Andreas Woess <andreas.woess@jku.at>
parents:
13791
diff
changeset
|
1746 handleUnresolvedExceptionType(Representation.ObjectHub, catchType); |
| 13585 | 1747 } |
| 1748 } | |
| 1749 | |
| 1750 private void appendGoto(FixedNode target) { | |
| 1751 if (lastInstr != null) { | |
| 1752 lastInstr.setNext(target); | |
|
6676
090868cbcda6
Graal infrastructure for OnStackReplacement
Lukas Stadler <lukas.stadler@jku.at>
parents:
6648
diff
changeset
|
1753 } |
| 13585 | 1754 } |
| 1755 | |
| 1756 private static boolean isBlockEnd(Node n) { | |
| 1757 return n instanceof ControlSplitNode || n instanceof ControlSinkNode; | |
| 1758 } | |
| 1759 | |
| 1760 private void iterateBytecodesForBlock(Block block) { | |
| 1761 if (block.isLoopHeader) { | |
| 1762 // Create the loop header block, which later will merge the backward branches of the | |
| 1763 // loop. | |
| 1764 AbstractEndNode preLoopEnd = currentGraph.add(new EndNode()); | |
| 1765 LoopBeginNode loopBegin = currentGraph.add(new LoopBeginNode()); | |
| 1766 lastInstr.setNext(preLoopEnd); | |
| 1767 // Add the single non-loop predecessor of the loop header. | |
| 1768 loopBegin.addForwardEnd(preLoopEnd); | |
| 1769 lastInstr = loopBegin; | |
| 1770 | |
| 1771 // Create phi functions for all local variables and operand stack slots. | |
| 1772 frameState.insertLoopPhis(loopBegin); | |
| 1773 loopBegin.setStateAfter(frameState.create(block.startBci)); | |
| 1774 | |
| 1775 /* | |
| 1776 * We have seen all forward branches. All subsequent backward branches will merge to | |
| 1777 * the loop header. This ensures that the loop header has exactly one non-loop | |
| 1778 * predecessor. | |
| 1779 */ | |
| 1780 block.firstInstruction = loopBegin; | |
| 1781 /* | |
| 1782 * We need to preserve the frame state builder of the loop header so that we can | |
| 1783 * merge values for phi functions, so make a copy of it. | |
| 1784 */ | |
| 1785 block.entryState = frameState.copy(); | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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changeset
|
1786 |
| 13585 | 1787 Debug.log(" created loop header %s", loopBegin); |
|
3733
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1788 } |
| 13585 | 1789 assert lastInstr.next() == null : "instructions already appended at block " + block; |
| 1790 Debug.log(" frameState: %s", frameState); | |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1791 |
| 13585 | 1792 int endBCI = stream.endBCI(); |
| 1793 | |
| 1794 stream.setBCI(block.startBci); | |
| 1795 int bci = block.startBci; | |
| 1796 BytecodesParsed.add(block.endBci - bci); | |
| 1797 | |
| 1798 while (bci < endBCI) { | |
| 1799 if (graphBuilderConfig.eagerInfopointMode() && lnt != null) { | |
| 1800 currentLineNumber = lnt.getLineNumber(bci); | |
| 1801 if (currentLineNumber != previousLineNumber) { | |
| 1802 append(new InfopointNode(InfopointReason.LINE_NUMBER, frameState.create(bci))); | |
| 1803 previousLineNumber = currentLineNumber; | |
| 1804 } | |
| 1805 } | |
|
5256
1e153fdac9fb
Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
1806 |
| 13585 | 1807 // read the opcode |
| 1808 int opcode = stream.currentBC(); | |
| 1809 traceState(); | |
| 1810 traceInstruction(bci, opcode, bci == block.startBci); | |
| 1811 if (bci == entryBCI) { | |
| 1812 if (block.jsrScope != JsrScope.EMPTY_SCOPE) { | |
| 1813 throw new BailoutException("OSR into a JSR scope is not supported"); | |
| 1814 } | |
| 1815 EntryMarkerNode x = append(new EntryMarkerNode()); | |
| 1816 frameState.insertProxies(x); | |
| 1817 x.setStateAfter(frameState.create(bci)); | |
| 1818 } | |
| 1819 processBytecode(bci, opcode); | |
| 1820 | |
| 1821 if (lastInstr == null || isBlockEnd(lastInstr) || lastInstr.next() != null) { | |
| 1822 break; | |
| 1823 } | |
| 1824 | |
| 1825 stream.next(); | |
| 1826 bci = stream.currentBCI(); | |
| 1827 | |
| 1828 if (bci > block.endBci) { | |
|
14533
e5235120893c
split BciBlockMapping liveness calculation into fast and slow path
Lukas Stadler <lukas.stadler@oracle.com>
parents:
14521
diff
changeset
|
1829 frameState.clearNonLiveLocals(currentBlock, liveness, false); |
| 13585 | 1830 } |
| 1831 if (lastInstr instanceof StateSplit) { | |
| 1832 if (lastInstr.getClass() == AbstractBeginNode.class) { | |
| 1833 // BeginNodes do not need a frame state | |
| 1834 } else { | |
| 1835 StateSplit stateSplit = (StateSplit) lastInstr; | |
| 1836 if (stateSplit.stateAfter() == null) { | |
| 1837 stateSplit.setStateAfter(frameState.create(bci)); | |
| 1838 } | |
| 1839 } | |
| 1840 } | |
| 1841 if (bci < endBCI) { | |
| 1842 if (bci > block.endBci) { | |
| 1843 assert !block.successors.get(0).isExceptionEntry; | |
| 1844 assert block.numNormalSuccessors() == 1; | |
| 1845 // we fell through to the next block, add a goto and break | |
| 1846 appendGoto(createTarget(block.successors.get(0), frameState)); | |
| 1847 break; | |
|
5375
3035b6b881d9
removed stateAfter field from FixedWithNextNode - now only StateSplit implementations have this field
Doug Simon <doug.simon@oracle.com>
parents:
5373
diff
changeset
|
1848 } |
|
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|
1849 } |
|
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diff
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|
1850 } |
| 13585 | 1851 } |
| 1852 | |
| 1853 private final int traceLevel = Options.TraceBytecodeParserLevel.getValue(); | |
| 1854 | |
| 1855 private void traceState() { | |
| 1856 if (traceLevel >= TRACELEVEL_STATE && Debug.isLogEnabled()) { | |
| 1857 Debug.log(String.format("| state [nr locals = %d, stack depth = %d, method = %s]", frameState.localsSize(), frameState.stackSize(), method)); | |
| 1858 for (int i = 0; i < frameState.localsSize(); ++i) { | |
| 1859 ValueNode value = frameState.localAt(i); | |
|
14817
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LIRFrameStateBuilder added
Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
1860 Debug.log(String.format("| local[%d] = %-8s : %s", i, value == null ? "bogus" : value.getKind().getJavaName(), value)); |
| 13585 | 1861 } |
| 1862 for (int i = 0; i < frameState.stackSize(); ++i) { | |
| 1863 ValueNode value = frameState.stackAt(i); | |
|
14817
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Niclas Adlertz <niclas.adlertz@oracle.com>
parents:
14803
diff
changeset
|
1864 Debug.log(String.format("| stack[%d] = %-8s : %s", i, value == null ? "bogus" : value.getKind().getJavaName(), value)); |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
1865 } |
|
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diff
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|
1866 } |
|
e233f5660da4
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diff
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|
1867 } |
|
12683
5c5b02a165d4
moved a number of options to be declared closer to usage and cached some heavily accessed options in fields
Doug Simon <doug.simon@oracle.com>
parents:
12656
diff
changeset
|
1868 |
| 13585 | 1869 private void processBytecode(int bci, int opcode) { |
| 1870 int cpi; | |
|
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|
1871 |
| 13585 | 1872 // Checkstyle: stop |
| 1873 // @formatter:off | |
|
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
1874 switch (opcode) { |
|
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
1875 case NOP : /* nothing to do */ break; |
|
5538
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1876 case ACONST_NULL : frameState.apush(appendConstant(Constant.NULL_OBJECT)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
1877 case ICONST_M1 : frameState.ipush(appendConstant(Constant.INT_MINUS_1)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1878 case ICONST_0 : frameState.ipush(appendConstant(Constant.INT_0)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1879 case ICONST_1 : frameState.ipush(appendConstant(Constant.INT_1)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
1880 case ICONST_2 : frameState.ipush(appendConstant(Constant.INT_2)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1881 case ICONST_3 : frameState.ipush(appendConstant(Constant.INT_3)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1882 case ICONST_4 : frameState.ipush(appendConstant(Constant.INT_4)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1883 case ICONST_5 : frameState.ipush(appendConstant(Constant.INT_5)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1884 case LCONST_0 : frameState.lpush(appendConstant(Constant.LONG_0)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5531
diff
changeset
|
1885 case LCONST_1 : frameState.lpush(appendConstant(Constant.LONG_1)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
1886 case FCONST_0 : frameState.fpush(appendConstant(Constant.FLOAT_0)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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5531
diff
changeset
|
1887 case FCONST_1 : frameState.fpush(appendConstant(Constant.FLOAT_1)); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
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changeset
|
1888 case FCONST_2 : frameState.fpush(appendConstant(Constant.FLOAT_2)); break; |
|
e18ba36bfebc
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diff
changeset
|
1889 case DCONST_0 : frameState.dpush(appendConstant(Constant.DOUBLE_0)); break; |
|
e18ba36bfebc
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diff
changeset
|
1890 case DCONST_1 : frameState.dpush(appendConstant(Constant.DOUBLE_1)); break; |
|
e18ba36bfebc
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diff
changeset
|
1891 case BIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readByte()))); break; |
|
e18ba36bfebc
Renamed RiConstant => Constant.
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diff
changeset
|
1892 case SIPUSH : frameState.ipush(appendConstant(Constant.forInt(stream.readShort()))); break; |
|
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|
1893 case LDC : // fall through |
|
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diff
changeset
|
1894 case LDC_W : // fall through |
|
4315
4c223446c28e
Replace the eagerResolving option of GraphBuilderConfiguration with three resolve policies: Default, EagerForSnippets (previously eagerResolving), and Eager (resolves exceptions and types of constants as well)
Peter Hofer <peter.hofer@jku.at>
parents:
4310
diff
changeset
|
1895 case LDC2_W : genLoadConstant(stream.readCPI(), opcode); break; |
|
5540
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diff
changeset
|
1896 case ILOAD : loadLocal(stream.readLocalIndex(), Kind.Int); break; |
|
a891c53a295b
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diff
changeset
|
1897 case LLOAD : loadLocal(stream.readLocalIndex(), Kind.Long); break; |
|
a891c53a295b
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diff
changeset
|
1898 case FLOAD : loadLocal(stream.readLocalIndex(), Kind.Float); break; |
|
a891c53a295b
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diff
changeset
|
1899 case DLOAD : loadLocal(stream.readLocalIndex(), Kind.Double); break; |
|
a891c53a295b
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|
1900 case ALOAD : loadLocal(stream.readLocalIndex(), Kind.Object); break; |
|
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|
1901 case ILOAD_0 : // fall through |
|
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|
1902 case ILOAD_1 : // fall through |
|
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|
1903 case ILOAD_2 : // fall through |
|
5540
a891c53a295b
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diff
changeset
|
1904 case ILOAD_3 : loadLocal(opcode - ILOAD_0, Kind.Int); break; |
|
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|
1905 case LLOAD_0 : // fall through |
|
e233f5660da4
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|
1906 case LLOAD_1 : // fall through |
|
e233f5660da4
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|
1907 case LLOAD_2 : // fall through |
|
5540
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changeset
|
1908 case LLOAD_3 : loadLocal(opcode - LLOAD_0, Kind.Long); break; |
|
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changeset
|
1909 case FLOAD_0 : // fall through |
|
e233f5660da4
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parents:
diff
changeset
|
1910 case FLOAD_1 : // fall through |
|
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|
1911 case FLOAD_2 : // fall through |
|
5540
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diff
changeset
|
1912 case FLOAD_3 : loadLocal(opcode - FLOAD_0, Kind.Float); break; |
|
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|
1913 case DLOAD_0 : // fall through |
|
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|
1914 case DLOAD_1 : // fall through |
|
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changeset
|
1915 case DLOAD_2 : // fall through |
|
5540
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diff
changeset
|
1916 case DLOAD_3 : loadLocal(opcode - DLOAD_0, Kind.Double); break; |
|
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changeset
|
1917 case ALOAD_0 : // fall through |
|
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|
1918 case ALOAD_1 : // fall through |
|
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|
1919 case ALOAD_2 : // fall through |
|
5540
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changeset
|
1920 case ALOAD_3 : loadLocal(opcode - ALOAD_0, Kind.Object); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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parents:
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diff
changeset
|
1921 case IALOAD : genLoadIndexed(Kind.Int ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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parents:
5538
diff
changeset
|
1922 case LALOAD : genLoadIndexed(Kind.Long ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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5538
diff
changeset
|
1923 case FALOAD : genLoadIndexed(Kind.Float ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
1924 case DALOAD : genLoadIndexed(Kind.Double); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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parents:
5538
diff
changeset
|
1925 case AALOAD : genLoadIndexed(Kind.Object); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
1926 case BALOAD : genLoadIndexed(Kind.Byte ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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parents:
5538
diff
changeset
|
1927 case CALOAD : genLoadIndexed(Kind.Char ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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parents:
5538
diff
changeset
|
1928 case SALOAD : genLoadIndexed(Kind.Short ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
1929 case ISTORE : storeLocal(Kind.Int, stream.readLocalIndex()); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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diff
changeset
|
1930 case LSTORE : storeLocal(Kind.Long, stream.readLocalIndex()); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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diff
changeset
|
1931 case FSTORE : storeLocal(Kind.Float, stream.readLocalIndex()); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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diff
changeset
|
1932 case DSTORE : storeLocal(Kind.Double, stream.readLocalIndex()); break; |
|
a891c53a295b
Renaming RiKind => Kind.
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diff
changeset
|
1933 case ASTORE : storeLocal(Kind.Object, stream.readLocalIndex()); break; |
|
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changeset
|
1934 case ISTORE_0 : // fall through |
|
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diff
changeset
|
1935 case ISTORE_1 : // fall through |
|
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diff
changeset
|
1936 case ISTORE_2 : // fall through |
|
5540
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5538
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changeset
|
1937 case ISTORE_3 : storeLocal(Kind.Int, opcode - ISTORE_0); break; |
|
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changeset
|
1938 case LSTORE_0 : // fall through |
|
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diff
changeset
|
1939 case LSTORE_1 : // fall through |
|
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1940 case LSTORE_2 : // fall through |
|
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1941 case LSTORE_3 : storeLocal(Kind.Long, opcode - LSTORE_0); break; |
|
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1942 case FSTORE_0 : // fall through |
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1943 case FSTORE_1 : // fall through |
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1944 case FSTORE_2 : // fall through |
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1945 case FSTORE_3 : storeLocal(Kind.Float, opcode - FSTORE_0); break; |
|
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1946 case DSTORE_0 : // fall through |
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1947 case DSTORE_1 : // fall through |
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1948 case DSTORE_2 : // fall through |
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1949 case DSTORE_3 : storeLocal(Kind.Double, opcode - DSTORE_0); break; |
|
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1950 case ASTORE_0 : // fall through |
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1951 case ASTORE_1 : // fall through |
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1952 case ASTORE_2 : // fall through |
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1953 case ASTORE_3 : storeLocal(Kind.Object, opcode - ASTORE_0); break; |
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1954 case IASTORE : genStoreIndexed(Kind.Int ); break; |
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1955 case LASTORE : genStoreIndexed(Kind.Long ); break; |
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1956 case FASTORE : genStoreIndexed(Kind.Float ); break; |
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1957 case DASTORE : genStoreIndexed(Kind.Double); break; |
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1958 case AASTORE : genStoreIndexed(Kind.Object); break; |
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1959 case BASTORE : genStoreIndexed(Kind.Byte ); break; |
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1960 case CASTORE : genStoreIndexed(Kind.Char ); break; |
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1961 case SASTORE : genStoreIndexed(Kind.Short ); break; |
|
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1962 case POP : // fall through |
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|
1963 case POP2 : // fall through |
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|
1964 case DUP : // fall through |
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|
1965 case DUP_X1 : // fall through |
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|
1966 case DUP_X2 : // fall through |
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|
1967 case DUP2 : // fall through |
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|
1968 case DUP2_X1 : // fall through |
|
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|
1969 case DUP2_X2 : // fall through |
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parents:
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|
1970 case SWAP : stackOp(opcode); break; |
|
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parents:
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|
1971 case IADD : // fall through |
|
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parents:
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|
1972 case ISUB : // fall through |
|
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parents:
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|
1973 case IMUL : genArithmeticOp(Kind.Int, opcode); break; |
|
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parents:
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|
1974 case IDIV : // fall through |
|
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|
1975 case IREM : genIntegerDivOp(Kind.Int, opcode); break; |
|
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parents:
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|
1976 case LADD : // fall through |
|
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parents:
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|
1977 case LSUB : // fall through |
|
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parents:
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|
1978 case LMUL : genArithmeticOp(Kind.Long, opcode); break; |
|
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parents:
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|
1979 case LDIV : // fall through |
|
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parents:
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|
1980 case LREM : genIntegerDivOp(Kind.Long, opcode); break; |
|
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parents:
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|
1981 case FADD : // fall through |
|
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parents:
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|
1982 case FSUB : // fall through |
|
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parents:
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changeset
|
1983 case FMUL : // fall through |
|
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parents:
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changeset
|
1984 case FDIV : // fall through |
|
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|
1985 case FREM : genArithmeticOp(Kind.Float, opcode); break; |
|
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parents:
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|
1986 case DADD : // fall through |
|
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parents:
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changeset
|
1987 case DSUB : // fall through |
|
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parents:
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changeset
|
1988 case DMUL : // fall through |
|
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parents:
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changeset
|
1989 case DDIV : // fall through |
|
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parents:
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diff
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|
1990 case DREM : genArithmeticOp(Kind.Double, opcode); break; |
|
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parents:
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changeset
|
1991 case INEG : genNegateOp(Kind.Int); break; |
|
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parents:
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changeset
|
1992 case LNEG : genNegateOp(Kind.Long); break; |
|
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changeset
|
1993 case FNEG : genNegateOp(Kind.Float); break; |
|
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|
1994 case DNEG : genNegateOp(Kind.Double); break; |
|
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parents:
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|
1995 case ISHL : // fall through |
|
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parents:
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changeset
|
1996 case ISHR : // fall through |
|
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|
1997 case IUSHR : genShiftOp(Kind.Int, opcode); break; |
|
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parents:
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changeset
|
1998 case IAND : // fall through |
|
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parents:
diff
changeset
|
1999 case IOR : // fall through |
|
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parents:
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changeset
|
2000 case IXOR : genLogicOp(Kind.Int, opcode); break; |
|
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parents:
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changeset
|
2001 case LSHL : // fall through |
|
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parents:
diff
changeset
|
2002 case LSHR : // fall through |
|
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parents:
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changeset
|
2003 case LUSHR : genShiftOp(Kind.Long, opcode); break; |
|
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parents:
diff
changeset
|
2004 case LAND : // fall through |
|
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parents:
diff
changeset
|
2005 case LOR : // fall through |
|
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parents:
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diff
changeset
|
2006 case LXOR : genLogicOp(Kind.Long, opcode); break; |
|
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parents:
diff
changeset
|
2007 case IINC : genIncrement(); break; |
|
14000
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
2008 case I2F : genFloatConvert(FloatConvert.I2F, Kind.Int, Kind.Float); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2009 case I2D : genFloatConvert(FloatConvert.I2D, Kind.Int, Kind.Double); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2010 case L2F : genFloatConvert(FloatConvert.L2F, Kind.Long, Kind.Float); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
2011 case L2D : genFloatConvert(FloatConvert.L2D, Kind.Long, Kind.Double); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2012 case F2I : genFloatConvert(FloatConvert.F2I, Kind.Float, Kind.Int); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2013 case F2L : genFloatConvert(FloatConvert.F2L, Kind.Float, Kind.Long); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2014 case F2D : genFloatConvert(FloatConvert.F2D, Kind.Float, Kind.Double); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
2015 case D2I : genFloatConvert(FloatConvert.D2I, Kind.Double, Kind.Int); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
2016 case D2L : genFloatConvert(FloatConvert.D2L, Kind.Double, Kind.Long); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2017 case D2F : genFloatConvert(FloatConvert.D2F, Kind.Double, Kind.Float); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2018 case L2I : genNarrow(Kind.Long, Kind.Int); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2019 case I2L : genSignExtend(Kind.Int, Kind.Long); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2020 case I2B : genSignExtend(Kind.Byte, Kind.Int); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
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parents:
13938
diff
changeset
|
2021 case I2S : genSignExtend(Kind.Short, Kind.Int); break; |
|
958c99d0790c
Split convert node into separate nodes for different conversions.
Roland Schatz <roland.schatz@oracle.com>
parents:
13938
diff
changeset
|
2022 case I2C : genZeroExtend(Kind.Char, Kind.Int); break; |
|
5540
a891c53a295b
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parents:
5538
diff
changeset
|
2023 case LCMP : genCompareOp(Kind.Long, false); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2024 case FCMPL : genCompareOp(Kind.Float, true); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2025 case FCMPG : genCompareOp(Kind.Float, false); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2026 case DCMPL : genCompareOp(Kind.Double, true); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2027 case DCMPG : genCompareOp(Kind.Double, false); break; |
|
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2028 case IFEQ : genIfZero(Condition.EQ); break; |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2029 case IFNE : genIfZero(Condition.NE); break; |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2030 case IFLT : genIfZero(Condition.LT); break; |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2031 case IFGE : genIfZero(Condition.GE); break; |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2032 case IFGT : genIfZero(Condition.GT); break; |
|
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2033 case IFLE : genIfZero(Condition.LE); break; |
|
5540
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parents:
5538
diff
changeset
|
2034 case IF_ICMPEQ : genIfSame(Kind.Int, Condition.EQ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2035 case IF_ICMPNE : genIfSame(Kind.Int, Condition.NE); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2036 case IF_ICMPLT : genIfSame(Kind.Int, Condition.LT); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2037 case IF_ICMPGE : genIfSame(Kind.Int, Condition.GE); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2038 case IF_ICMPGT : genIfSame(Kind.Int, Condition.GT); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2039 case IF_ICMPLE : genIfSame(Kind.Int, Condition.LE); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2040 case IF_ACMPEQ : genIfSame(Kind.Object, Condition.EQ); break; |
|
a891c53a295b
Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5538
diff
changeset
|
2041 case IF_ACMPNE : genIfSame(Kind.Object, Condition.NE); break; |
|
4142
bc8527f3071c
Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
changeset
|
2042 case GOTO : genGoto(); break; |
|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
2043 case JSR : genJsr(stream.readBranchDest()); break; |
|
e233f5660da4
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parents:
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changeset
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2044 case RET : genRet(stream.readLocalIndex()); break; |
|
5698
764db9ada24f
rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
5695
diff
changeset
|
2045 case TABLESWITCH : genSwitch(new BytecodeTableSwitch(stream(), bci())); break; |
|
764db9ada24f
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Lukas Stadler <lukas.stadler@jku.at>
parents:
5695
diff
changeset
|
2046 case LOOKUPSWITCH : genSwitch(new BytecodeLookupSwitch(stream(), bci())); break; |
|
3733
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changeset
|
2047 case IRETURN : genReturn(frameState.ipop()); break; |
|
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
2048 case LRETURN : genReturn(frameState.lpop()); break; |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
2049 case FRETURN : genReturn(frameState.fpop()); break; |
|
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
2050 case DRETURN : genReturn(frameState.dpop()); break; |
|
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
2051 case ARETURN : genReturn(frameState.apop()); break; |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
2052 case RETURN : genReturn(null); break; |
|
4142
bc8527f3071c
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3733
diff
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|
2053 case GETSTATIC : cpi = stream.readCPI(); genGetStatic(lookupField(cpi, opcode)); break; |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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2054 case PUTSTATIC : cpi = stream.readCPI(); genPutStatic(lookupField(cpi, opcode)); break; |
|
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diff
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|
2055 case GETFIELD : cpi = stream.readCPI(); genGetField(lookupField(cpi, opcode)); break; |
|
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parents:
3733
diff
changeset
|
2056 case PUTFIELD : cpi = stream.readCPI(); genPutField(lookupField(cpi, opcode)); break; |
|
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parents:
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2057 case INVOKEVIRTUAL : cpi = stream.readCPI(); genInvokeVirtual(lookupMethod(cpi, opcode)); break; |
|
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diff
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|
2058 case INVOKESPECIAL : cpi = stream.readCPI(); genInvokeSpecial(lookupMethod(cpi, opcode)); break; |
|
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changeset
|
2059 case INVOKESTATIC : cpi = stream.readCPI(); genInvokeStatic(lookupMethod(cpi, opcode)); break; |
|
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3733
diff
changeset
|
2060 case INVOKEINTERFACE: cpi = stream.readCPI(); genInvokeInterface(lookupMethod(cpi, opcode)); break; |
|
8945
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
8660
diff
changeset
|
2061 case INVOKEDYNAMIC : cpi = stream.readCPI4(); genInvokeDynamic(lookupMethod(cpi, opcode)); break; |
|
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changeset
|
2062 case NEW : genNewInstance(stream.readCPI()); break; |
|
5760
87e8baf5447c
added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents:
5719
diff
changeset
|
2063 case NEWARRAY : genNewPrimitiveArray(stream.readLocalIndex()); break; |
|
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|
2064 case ANEWARRAY : genNewObjectArray(stream.readCPI()); break; |
|
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|
2065 case ARRAYLENGTH : genArrayLength(); break; |
|
5256
1e153fdac9fb
Fix and simplify exception handling in the bytecode parser
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5255
diff
changeset
|
2066 case ATHROW : genThrow(); break; |
|
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|
2067 case CHECKCAST : genCheckCast(); break; |
|
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|
2068 case INSTANCEOF : genInstanceOf(); break; |
|
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|
2069 case MONITORENTER : genMonitorEnter(frameState.apop()); break; |
|
12417
0b71e8b6418c
preliminary fix for MonitorExitNodes with AFTER_BCI
Lukas Stadler <lukas.stadler@jku.at>
parents:
12362
diff
changeset
|
2070 case MONITOREXIT : genMonitorExit(frameState.apop(), null); break; |
|
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|
2071 case MULTIANEWARRAY : genNewMultiArray(stream.readCPI()); break; |
|
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|
2072 case IFNULL : genIfNull(Condition.EQ); break; |
|
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|
2073 case IFNONNULL : genIfNull(Condition.NE); break; |
|
4142
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|
2074 case GOTO_W : genGoto(); break; |
|
5031
4d152e5e34ba
Use BytecodeStream in BciBlockMapping instead of hand-crafted byte-array accesses
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
5030
diff
changeset
|
2075 case JSR_W : genJsr(stream.readBranchDest()); break; |
|
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|
2076 case BREAKPOINT: |
|
5547
b6617d13ea44
Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5541
diff
changeset
|
2077 throw new BailoutException("concurrent setting of breakpoint"); |
|
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|
2078 default: |
|
5547
b6617d13ea44
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5541
diff
changeset
|
2079 throw new BailoutException("Unsupported opcode " + opcode + " (" + nameOf(opcode) + ") [bci=" + bci + "]"); |
|
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changeset
|
2080 } |
|
7522
4cc0efe5cffe
disabled auto-formatting of manually formatted code
Doug Simon <doug.simon@oracle.com>
parents:
7305
diff
changeset
|
2081 // @formatter:on |
| 13585 | 2082 // Checkstyle: resume |
| 2083 } | |
|
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2084 |
| 13585 | 2085 private void traceInstruction(int bci, int opcode, boolean blockStart) { |
| 2086 if (traceLevel >= TRACELEVEL_INSTRUCTIONS && Debug.isLogEnabled()) { | |
| 2087 StringBuilder sb = new StringBuilder(40); | |
| 2088 sb.append(blockStart ? '+' : '|'); | |
| 2089 if (bci < 10) { | |
| 2090 sb.append(" "); | |
| 2091 } else if (bci < 100) { | |
| 2092 sb.append(' '); | |
| 2093 } | |
| 2094 sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode)); | |
| 2095 for (int i = bci + 1; i < stream.nextBCI(); ++i) { | |
| 2096 sb.append(' ').append(stream.readUByte(i)); | |
| 2097 } | |
| 2098 if (!currentBlock.jsrScope.isEmpty()) { | |
| 2099 sb.append(' ').append(currentBlock.jsrScope); | |
| 2100 } | |
| 2101 Debug.log(sb.toString()); | |
|
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|
2102 } |
| 13585 | 2103 } |
| 2104 | |
| 2105 private void genArrayLength() { | |
| 2106 frameState.ipush(append(new ArrayLengthNode(frameState.apop()))); | |
|
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2107 } |
|
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|
2108 } |
|
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|
2109 } |