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annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/GraalOptions.java @ 5760:87e8baf5447c

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added snippets for lowering array creation and initialization (in NewObjectSnippets) made it possible to use node intrinsics with arguments that may only be constant when a snippet template is created rename: NewTypeArrayNode -> NewPrimitiveArrayNode removed HotSpotVMConfig.getArrayOffset() - Kind.arrayBaseOffset() is used instead renamed field prototypeHeader to initialMarkWord in HotSpotResolvedJavaType rename: NewInstanceSnippets -> NewObjectSnippets renamed node intrinsics in DirectObjectStoreNode to include the type of the value being stored (to avoid accidental misuse) extended WordTypeRewriterPhase such that ObjectEqualsNodes are replaced with IntegerEqualsNodes when the values being compared are words (which allows '==' and '!=' to be used between Word values in Java source code)
author Doug Simon <doug.simon@oracle.com>
date Tue, 03 Jul 2012 23:49:01 +0200
parents 11ef22975bba
children 2f7a03583a32
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1 /*
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2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.compiler;
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24
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25
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26 /**
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27 * This class encapsulates options that control the behavior of the Graal compiler.
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28 *
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29 * (thomaswue) WARNING: Fields of this class are treated as final by Graal.
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30 */
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31 public final class GraalOptions {
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32
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33 // Checkstyle: stop
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34 private static final boolean ____ = false;
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35 // Checkstyle: resume
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36
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37 public static int Threads = 4;
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38
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39 // inlining settings
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40 public static boolean Inline = true;
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41 public static boolean Intrinsify = true;
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42 static boolean InlineMonomorphicCalls = true;
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43 static boolean InlinePolymorphicCalls = true;
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44 static boolean InlineMegamorphicCalls = ____;
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45 public static int InliningPolicy = 4;
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46 public static int WeightComputationPolicy = 2;
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47 public static int MaximumTrivialSize = 10;
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48 public static int MaximumInlineLevel = 30;
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49 public static int MaximumDesiredSize = 3000;
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50 public static int MaximumRecursiveInlining = 1;
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51 public static int SmallCompiledCodeSize = 2000;
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52 public static boolean LimitInlinedProbability = ____;
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53 // WeightBasedInliningPolicy (0)
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54 public static boolean ParseBeforeInlining = ____;
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55 public static float InliningSizePenaltyExp = 20;
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56 public static float MaximumInlineWeight = 1.25f;
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57 public static float InliningSizePenalty = 1;
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58 // StaticSizeBasedInliningPolicy (1), MinimumCodeSizeBasedInlining (2),
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59 // DynamicSizeBasedInliningPolicy (3)
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60 public static int MaximumInlineSize = 35;
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61 // GreedySizeBasedInlining (4)
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62 public static int MaximumGreedyInlineSize = 100;
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63 public static int InliningBonusPerTransferredValue = 10;
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64 // Common options for inlining policies 1 to 4
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65 public static float NestedInliningSizeRatio = 1f;
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66 public static float BoostInliningForEscapeAnalysis = 2f;
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67 public static float ProbabilityCapForInlining = 1f;
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68
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69 // escape analysis settings
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70 public static boolean EscapeAnalysis = true;
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71 public static int ForcedInlineEscapeWeight = 10;
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72 public static boolean PrintEscapeAnalysis = ____;
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73
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74 // absolute probability analysis
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75 public static boolean ProbabilityAnalysis = true;
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76 public static int LoopFrequencyPropagationPolicy = -2;
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77
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78 // profiling information
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79 public static int DeoptsToDisableOptimisticOptimization = 40;
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80 public static boolean PrintDisabledOptimisticOptimizations = true;
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81 public static int MatureExecutionsBranch = 1;
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82 public static int MatureExecutionsPerSwitchCase = 1;
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83 public static int MatureExecutionsTypeProfile = 1;
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84
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85 // comilation queue
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86 public static int TimedBootstrap = -1;
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87 public static boolean PriorityCompileQueue = true;
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88 public static int SlowQueueCutoff = 100000;
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89 public static boolean SlowCompileThreads = ____;
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90 public static boolean DynamicCompilePriority = ____;
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91
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92 // graph caching
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93 public static boolean CacheGraphs = true;
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94 public static int GraphCacheSize = 1000;
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95 public static boolean PrintGraphCache = ____;
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96
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97 //rematerialize settings
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98 public static float MinimumUsageProbability = 0.95f;
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99
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100 //loop transform settings TODO (gd) tune
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101 public static boolean LoopPeeling = true;
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102 public static boolean ReassociateInvariants = true;
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103 public static boolean FullUnroll = true;
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104 public static boolean LoopUnswitch = ____;
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105 public static int FullUnrollMaxNodes = 150;
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106 public static float MinimumPeelProbability = 0.35f;
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107 public static int LoopUnswitchMaxIncrease = 50;
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108 public static int LoopUnswitchUncertaintyBoost = 5;
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109
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110 // debugging settings
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111 public static int MethodEndBreakpointGuards = 0;
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112 public static boolean ZapStackOnMethodEntry = ____;
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113 public static boolean StressLinearScan = ____;
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114 public static boolean DeoptALot = ____;
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115 public static boolean VerifyPhases = true;
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116 public static boolean CreateDeoptInfo = ____;
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117
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118 public static String PrintFilter = null;
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119
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120 // printing settings
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121 public static boolean PrintLIR = ____;
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122 public static boolean PrintCFGToFile = ____;
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123
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124 // Debug settings:
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125 public static boolean Debug = true;
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126 public static boolean PerThreadDebugValues = ____;
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127 public static boolean SummarizeDebugValues = ____;
5134
4eb9895d9afe Refactoring of the debug framework. Move compiler thread implementation to its own file.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5087
diff changeset
128 public static boolean SummarizePerPhase = ____;
4357
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
129 public static String Dump = null;
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
130 public static String Meter = null;
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
131 public static String Time = null;
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
132 public static String Log = null;
5268
b59e32ea3761 enable graph caching and priority compilation queue
Lukas Stadler <lukas.stadler@jku.at>
parents: 5216
diff changeset
133 public static String LogFile = null;
4357
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
134 public static String MethodFilter = null;
5145
19a3ae027c56 Use DumpOnError flag, false by default
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5138
diff changeset
135 public static boolean DumpOnError = ____;
4357
719ac1d92a52 More work on debug framework.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4353
diff changeset
136
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
137 // Ideal graph visualizer output settings
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
138 public static int PlotLevel = 3;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
139 public static int PrintIdealGraphLevel = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
140 public static boolean PrintIdealGraphFile = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
141 public static String PrintIdealGraphAddress = "127.0.0.1";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
142 public static int PrintIdealGraphPort = 4444;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
143
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
144 // Other printing settings
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
145 public static boolean PrintQueue = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
146 public static boolean PrintCompilation = ____;
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
147 public static boolean PrintProfilingInformation = ____;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
148 public static boolean PrintXirTemplates = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
149 public static boolean PrintIRWithLIR = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
150 public static boolean PrintAssembly = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 public static boolean PrintCodeBytes = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
152 public static int PrintAssemblyBytesPerLine = 16;
5201
891399c54706 Add a PrintBailout option
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5184
diff changeset
153 public static boolean PrintBailout = ____;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
154 public static int TraceLinearScanLevel = 0;
4255
1e62f742f0b3 Test how trace-code wrapped into an assert looks like.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 4213
diff changeset
155 public static boolean TraceRegisterAllocation = false;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156 public static int TraceLIRGeneratorLevel = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
157 public static boolean TraceEscapeAnalysis = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
158 public static int TraceBytecodeParserLevel = 0;
5105
95b8a32a7cc3 preparations to avoid endless recompilations because of not updated profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5061
diff changeset
159 public static boolean PrintBailouts = true;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
160 public static boolean ExitVMOnBailout = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 public static boolean ExitVMOnException = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
162
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
163 // state merging settings
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 public static boolean AssumeVerifiedBytecode = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
165
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166 // Code generator settings
5087
0c968a6e0ca0 disable PropagateTypes option
Lukas Stadler <lukas.stadler@jku.at>
parents: 5085
diff changeset
167 public static boolean PropagateTypes = ____;
5391
5097f21f6c2b add a new simple CheckCast elimination phase
Lukas Stadler <lukas.stadler@jku.at>
parents: 5389
diff changeset
168 public static boolean CheckCastElimination = true;
5389
612b4f099362 disable frame state culling
Lukas Stadler <lukas.stadler@jku.at>
parents: 5385
diff changeset
169 public static boolean CullFrameStates = ____;
5105
95b8a32a7cc3 preparations to avoid endless recompilations because of not updated profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5061
diff changeset
170 public static boolean UseProfilingInformation = true;
5114
dad1ac9dba7d finished first implementation of disabling runtime feedback selectively based on deoptimization history
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5105
diff changeset
171 static boolean RemoveNeverExecutedCode = true;
dad1ac9dba7d finished first implementation of disabling runtime feedback selectively based on deoptimization history
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5105
diff changeset
172 static boolean UseExceptionProbability = true;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 public static boolean AllowExplicitExceptionChecks = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 public static boolean OmitHotExceptionStacktrace = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 public static boolean GenSafepoints = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 public static boolean GenLoopSafepoints = true;
5114
dad1ac9dba7d finished first implementation of disabling runtime feedback selectively based on deoptimization history
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5105
diff changeset
177 static boolean UseTypeCheckHints = true;
5004
2792bcd9a0ce disable vtable stub inlining
Lukas Stadler <lukas.stadler@jku.at>
parents: 5003
diff changeset
178 public static boolean InlineVTableStubs = ____;
2792bcd9a0ce disable vtable stub inlining
Lukas Stadler <lukas.stadler@jku.at>
parents: 5003
diff changeset
179 public static boolean AlwaysInlineVTableStubs = ____;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
180
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 public static boolean GenAssertionCode = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 public static boolean AlignCallsForPatching = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 public static boolean ResolveClassBeforeStaticInvoke = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 // Translating tableswitch instructions
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 public static int SequentialSwitchLimit = 4;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187 public static int RangeTestsSwitchDensity = 5;
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents: 5696
diff changeset
188 public static double MinTableSwitchDensity = 0.5;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 public static boolean DetailedAsserts = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 // Runtime settings
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 public static int ReadPrefetchInstr = 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 public static int StackShadowPages = 2;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 // Assembler settings
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 public static boolean CommentedAssembly = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 public static boolean PrintLIRWithAssembly = ____;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 public static boolean SupportJsrBytecodes = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 public static boolean OptAssumptions = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 public static boolean OptReadElimination = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 public static boolean OptGVN = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 public static boolean OptCanonicalizer = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 public static boolean ScheduleOutOfLoops = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207 public static boolean OptReorderLoops = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 public static boolean OptEliminateGuards = true;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209 public static boolean OptImplicitNullChecks = true;
5029
74f47ef37394 Fix and enable liveness analysis to prune unnecessary frame state entries
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5026
diff changeset
210 public static boolean OptLivenessAnalysis = true;
5215
ae367987a18c Add options for OptLoopTransform and OptSafepointElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5201
diff changeset
211 public static boolean OptLoopTransform = true;
ae367987a18c Add options for OptLoopTransform and OptSafepointElimination
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5201
diff changeset
212 public static boolean OptSafepointElimination = true;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 /**
5318
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
215 * Insert a counter in the method prologue to track the most frequently called methods that were compiled by Graal.
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
216 */
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
217 public static boolean MethodEntryCounters = false;
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
218 /**
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
219 * Number of caller program counters to distinguish when counting methods.
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
220 */
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
221 public static int MethodEntryCountersCallers = 20;
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
222
b5cd7bc05695 Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5268
diff changeset
223 /**
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
224 * Flag to turn on SSA-based register allocation, which is currently under development.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 public static boolean AllocSSA = false;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227
5156
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5145
diff changeset
228 /**
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5145
diff changeset
229 * Prints all the available GraalOptions.
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5145
diff changeset
230 */
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5145
diff changeset
231 public static boolean PrintFlags = false;
482265e41a1a added -G:+PrintFlags flag for printing the Graal flags; tightened format checking of Graal options to be consistent with HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 5145
diff changeset
232
5330
678f31e9724e added -G:+CheckcastCounters to profile the paths taken through a compiled checkcast
Doug Simon <doug.simon@oracle.com>
parents: 5319
diff changeset
233 /**
678f31e9724e added -G:+CheckcastCounters to profile the paths taken through a compiled checkcast
Doug Simon <doug.simon@oracle.com>
parents: 5319
diff changeset
234 * Counts the various paths taken through a compiled checkcast.
678f31e9724e added -G:+CheckcastCounters to profile the paths taken through a compiled checkcast
Doug Simon <doug.simon@oracle.com>
parents: 5319
diff changeset
235 */
678f31e9724e added -G:+CheckcastCounters to profile the paths taken through a compiled checkcast
Doug Simon <doug.simon@oracle.com>
parents: 5319
diff changeset
236 public static boolean CheckcastCounters = false;
678f31e9724e added -G:+CheckcastCounters to profile the paths taken through a compiled checkcast
Doug Simon <doug.simon@oracle.com>
parents: 5319
diff changeset
237
5343
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
238 /**
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
239 * If the probability that a checkcast will hit one the profiled types (up to {@link #CheckcastMaxHints})
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
240 * is below this value, the checkcast will be compiled without hints.
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
241 */
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
242 public static double CheckcastMinHintHitProbability = 0.5;
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
243
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
244 /**
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
245 * The maximum number of hint types that will be used when compiling a checkcast for which
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
246 * profiling information is available. Note that {@link #CheckcastMinHintHitProbability}
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
247 * also influences whether hints are used.
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
248 */
5331
6e346160f104 replaced magic constants with GraalOptions.CheckcastMaxHints and GraalOptions.InstanceOfMaxHints
Doug Simon <doug.simon@oracle.com>
parents: 5330
diff changeset
249 public static int CheckcastMaxHints = 2;
5343
20c14eb46238 added GraalOptions.CheckcastMinHintHitProbability to better guide use of hints for checkcasts
Doug Simon <doug.simon@oracle.com>
parents: 5336
diff changeset
250
5369
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
Doug Simon <doug.simon@oracle.com>
parents: 5346
diff changeset
251 /**
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
Doug Simon <doug.simon@oracle.com>
parents: 5346
diff changeset
252 * @see #CheckcastMinHintHitProbability
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
Doug Simon <doug.simon@oracle.com>
parents: 5346
diff changeset
253 */
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
Doug Simon <doug.simon@oracle.com>
parents: 5346
diff changeset
254 public static double InstanceOfMinHintHitProbability = 0.5;
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
Doug Simon <doug.simon@oracle.com>
parents: 5346
diff changeset
255
2e9a5365dfb0 moved conversion of type profiles into hints for type check instructions from front end to lowering phase
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256 /**
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257 * @see #CheckcastMaxHints
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258 */
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6e346160f104 replaced magic constants with GraalOptions.CheckcastMaxHints and GraalOptions.InstanceOfMaxHints
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259 public static int InstanceOfMaxHints = 1;
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260
5346
4c3d953f8131 added mechanism (enabled by -G:PICache and -G:PiFilter) for saving/loading method profiling info to/from disk
Doug Simon <doug.simon@oracle.com>
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261 /**
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
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262 * Use HIR lowering instead of LIR lowering for certain instructions.
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263 * Only instructions in methods whose fully qualified name contains this option will be HIR lowered.
5379
c862951e769d moved checkcast lowering into LoweringPhase and added -G:HIRLowerCheckcast option to enable it (disabled by default) as it is not yet stable
Doug Simon <doug.simon@oracle.com>
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264 */
5398
17cddac1f2da fixed bug in compiled call to slow typecheck stub in VM
Doug Simon <doug.simon@oracle.com>
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265 public static String HIRLowerCheckcast = "";
5656
c06ee31464c0 Re-enabled NewInstanceSnippets by default for all methods.
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266 public static String HIRLowerNewInstance = "";
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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267 public static String HIRLowerNewArray = "";
5379
c862951e769d moved checkcast lowering into LoweringPhase and added -G:HIRLowerCheckcast option to enable it (disabled by default) as it is not yet stable
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268
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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269 static {
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270 // turn detailed assertions on when the general assertions are on (misusing the assert keyword for this)
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271 assert (DetailedAsserts = true) == true;
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015c53fefd3a Use HexCodeFile for disassembly to avoid loading slow disassembler.
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272 assert (CommentedAssembly = true) == true;
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273 }
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274 }