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annotate graal/GraalCompiler/src/com/sun/c1x/C1XOptions.java @ 2674:6ab73784566a

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* BlockBegin.predecessors changed to List<BlockEnd> * Node: add input/successor with given back edge index, allows for explicit ordering of predecessors/usages * Graphviz: PDF output, option to omit FrameStates * runscimark.sh: forward additional options to JVM
author Lukas Stadler <lukas.stadler@jku.at>
date Fri, 13 May 2011 15:18:41 +0200
parents 35453d725a2a
children e0e89714e2f1
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2507
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1 /*
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2 * Copyright (c) 2009, 2011, 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.sun.c1x;
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24
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25 import com.sun.c1x.debug.TTY.*;
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26
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27 /**
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28 * This class encapsulates options that control the behavior of the C1X compiler.
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29 * The help message for each option is specified by a {@linkplain #helpMap help map}.
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30 *
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31 * (tw) WARNING: Fields of this class are treated as final by Graal.
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32 *
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33 * @author Ben L. Titzer
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34 */
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35 public final class C1XOptions {
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36
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37 // Checkstyle: stop
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38 private static final boolean ____ = false;
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39 // Checkstyle: resume
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40
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41 // inlining settings
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42 public static boolean OptInline = ____;
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43
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44 public static int MaximumInstructionCount = 37000;
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45 public static float MaximumInlineRatio = 0.90f;
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46 public static int MaximumInlineSize = 35;
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47 public static int MaximumTrivialSize = 6;
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48 public static int MaximumInlineLevel = 9;
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49 public static int MaximumRecursiveInlineLevel = 1;
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50 public static int MaximumDesiredSize = 8000;
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51 public static int MaximumShortLoopSize = 5;
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52
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53 // debugging settings
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54 public static boolean VerifyPointerMaps = ____;
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55 public static int MethodEndBreakpointGuards = 0;
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56 public static boolean ZapStackOnMethodEntry = ____;
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57 public static boolean StressLinearScan = ____;
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58 public static boolean BailoutOnException = ____;
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59
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60 /**
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61 * See {@link Filter#Filter(String, Object)}.
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62 */
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63 public static String PrintFilter = null;
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64
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65 // printing settings
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66 public static boolean PrintHIR = ____;
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67 public static boolean PrintInliningFailures = ____;
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68 public static boolean PrintLIR = ____;
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69 public static boolean PrintCFGToFile = ____;
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70 public static boolean PrintDOTGraphToFile = ____;
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71 public static boolean PrintDOTGraphToPdf = ____;
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72 public static boolean OmitDOTFrameStates = true;
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73 public static boolean PrintMetrics = ____;
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74 public static boolean PrintTimers = ____;
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75 public static boolean PrintCompilation = ____;
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76 public static boolean PrintXirTemplates = ____;
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77 public static boolean PrintIRWithLIR = ____;
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78 public static boolean PrintAssembly = ____;
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79 public static boolean PrintCodeBytes = ____;
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80 public static int PrintAssemblyBytesPerLine = 16;
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81 public static int TraceLinearScanLevel = 0;
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82 public static int TraceLIRGeneratorLevel = 0;
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83 public static boolean TraceRelocation = ____;
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84 public static boolean TraceLIRVisit = ____;
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85 public static boolean TraceAssembler = ____;
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86 public static int TraceBytecodeParserLevel = 0;
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87 public static boolean PrintAssumptions = ____;
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88 public static boolean QuietBailout = ____;
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89
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90 // all optimization settings
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91 public static boolean OptBlockSkipping;
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92 public static boolean OptControlFlow;
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93
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94 // optimistic optimization settings
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95 public static boolean UseAssumptions = true;
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96
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97 // state merging settings
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98 public static boolean AssumeVerifiedBytecode = ____;
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99 public static boolean PhiLoopStores = true;
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100
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101 // miscellaneous settings
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102 public static boolean SupportObjectConstants = true;
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103
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104 // Linear scan settings
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105 public static boolean CopyPointerStackArguments = true;
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106
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107 // Code generator settings
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108 public static boolean GenLIR = true;
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109 public static boolean GenCode = true;
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110
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111 public static boolean UseConstDirectCall = false;
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112
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113 public static boolean GenSpecialDivChecks = ____;
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114 public static boolean GenAssertionCode = ____;
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115 public static boolean AlignCallsForPatching = true;
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116 public static boolean NullCheckUniquePc = ____;
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117 public static boolean InvokeSnippetAfterArguments = ____;
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118 public static boolean ResolveClassBeforeStaticInvoke = true;
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119
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120 // Translating tableswitch instructions
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121 public static int SequentialSwitchLimit = 4;
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122 public static int RangeTestsSwitchDensity = 5;
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123
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124 public static int InitialCodeBufferSize = 232;
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125 public static boolean DetailedAsserts = true;
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126
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127 // Runtime settings
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128 public static int ReadPrefetchInstr = 0;
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129 public static boolean UseStackMapTableLiveness = ____;
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130 public static int StackShadowPages = 2;
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131
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132 // Assembler settings
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133 public static boolean CommentedAssembly = ____;
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134 public static boolean PrintLIRWithAssembly = ____;
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135 public static int Atomics = 0;
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136 public static boolean UseNormalNop = true;
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137 public static boolean UseAddressNop = true;
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138 public static boolean UseIncDec = ____;
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139 public static boolean UseXmmLoadAndClearUpper = ____;
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140 public static boolean UseXmmRegToRegMoveAll = ____;
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141
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142 static {
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143 setOptimizationLevel(1);
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144 }
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145
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146 public static void setOptimizationLevel(int level) {
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147 final boolean l = (level >= 1);
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148 final boolean ll = (level >= 2);
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149 final boolean lll = (level >= 3);
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150
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151 // Level 1 optimizations
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152 PhiLoopStores = l;
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153 OptControlFlow = l;
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154
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155 // Level 2 optimizations
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156 OptInline = ll;
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157
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158 // Level 3 optimizations
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159 UseStackMapTableLiveness = lll;
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160 UseAssumptions = lll;
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161 OptBlockSkipping = lll;
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162 }
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163 }