annotate src/share/vm/opto/c2_globals.hpp @ 2008:2f644f85485d

6961690: load oops from constant table on SPARC Summary: oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence. Reviewed-by: never, kvn
author twisti
date Fri, 03 Dec 2010 01:34:31 -0800
parents f95d63e2154a
children b92c45f2bc75
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1 /*
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2 * Copyright (c) 2000, 2010, 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 */
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24
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25 #ifndef SHARE_VM_OPTO_C2_GLOBALS_HPP
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26 #define SHARE_VM_OPTO_C2_GLOBALS_HPP
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27
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28 #include "runtime/globals.hpp"
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29 #ifdef TARGET_ARCH_x86
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30 # include "c2_globals_x86.hpp"
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31 #endif
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32 #ifdef TARGET_ARCH_sparc
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33 # include "c2_globals_sparc.hpp"
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34 #endif
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35 #ifdef TARGET_OS_FAMILY_linux
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36 # include "c2_globals_linux.hpp"
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37 #endif
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38 #ifdef TARGET_OS_FAMILY_solaris
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39 # include "c2_globals_solaris.hpp"
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40 #endif
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41 #ifdef TARGET_OS_FAMILY_windows
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42 # include "c2_globals_windows.hpp"
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43 #endif
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44
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45 //
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46 // Defines all globals flags used by the server compiler.
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47 //
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48
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49 #define C2_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct) \
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50 \
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51 notproduct(intx, CompileZapFirst, 0, \
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52 "If +ZapDeadCompiledLocals, " \
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53 "skip this many before compiling in zap calls") \
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54 \
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55 notproduct(intx, CompileZapLast, -1, \
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56 "If +ZapDeadCompiledLocals, " \
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57 "compile this many after skipping (incl. skip count, -1 = all)") \
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58 \
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59 notproduct(intx, ZapDeadCompiledLocalsFirst, 0, \
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60 "If +ZapDeadCompiledLocals, " \
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61 "skip this many before really doing it") \
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62 \
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63 notproduct(intx, ZapDeadCompiledLocalsLast, -1, \
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64 "If +ZapDeadCompiledLocals, " \
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65 "do this many after skipping (incl. skip count, -1 = all)") \
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66 \
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67 develop(intx, OptoPrologueNops, 0, \
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68 "Insert this many extra nop instructions " \
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69 "in the prologue of every nmethod") \
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70 \
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71 product_pd(intx, InteriorEntryAlignment, \
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72 "Code alignment for interior entry points " \
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73 "in generated code (in bytes)") \
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74 \
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75 product(intx, MaxLoopPad, (OptoLoopAlignment-1), \
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76 "Align a loop if padding size in bytes is less or equal to this value") \
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77 \
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78 product(intx, NumberOfLoopInstrToAlign, 4, \
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79 "Number of first instructions in a loop to align") \
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80 \
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81 notproduct(intx, IndexSetWatch, 0, \
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82 "Trace all operations on this IndexSet (-1 means all, 0 none)") \
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83 \
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84 develop(intx, OptoNodeListSize, 4, \
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85 "Starting allocation size of Node_List data structures") \
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86 \
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87 develop(intx, OptoBlockListSize, 8, \
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88 "Starting allocation size of Block_List data structures") \
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89 \
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90 develop(intx, OptoPeepholeAt, -1, \
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91 "Apply peephole optimizations to this peephole rule") \
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92 \
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93 notproduct(bool, PrintIdeal, false, \
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94 "Print ideal graph before code generation") \
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95 \
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96 notproduct(bool, PrintOpto, false, \
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97 "Print compiler2 attempts") \
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98 \
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99 notproduct(bool, PrintOptoInlining, false, \
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100 "Print compiler2 inlining decisions") \
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101 \
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102 notproduct(bool, VerifyOpto, false, \
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103 "Apply more time consuming verification during compilation") \
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104 \
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105 notproduct(bool, VerifyOptoOopOffsets, false, \
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106 "Check types of base addresses in field references") \
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107 \
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108 develop(bool, IdealizedNumerics, false, \
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109 "Check performance difference allowing FP " \
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110 "associativity and commutativity...") \
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111 \
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112 develop(bool, OptoBreakpoint, false, \
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113 "insert breakpoint at method entry") \
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114 \
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115 notproduct(bool, OptoBreakpointOSR, false, \
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116 "insert breakpoint at osr method entry") \
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117 \
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118 notproduct(intx, BreakAtNode, 0, \
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119 "Break at construction of this Node (either _idx or _debug_idx)") \
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120 \
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121 notproduct(bool, OptoBreakpointC2R, false, \
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122 "insert breakpoint at runtime stub entry") \
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123 \
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124 notproduct(bool, OptoNoExecute, false, \
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125 "Attempt to parse and compile but do not execute generated code") \
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126 \
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127 notproduct(bool, PrintOptoStatistics, false, \
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128 "Print New compiler statistics") \
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129 \
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130 notproduct(bool, PrintOptoAssembly, false, \
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131 "Print New compiler assembly output") \
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132 \
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133 develop_pd(bool, OptoPeephole, \
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134 "Apply peephole optimizations after register allocation") \
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135 \
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136 develop(bool, OptoRemoveUseless, true, \
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137 "Remove useless nodes after parsing") \
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138 \
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139 notproduct(bool, PrintFrameConverterAssembly, false, \
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140 "Print New compiler assembly output for frame converters") \
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141 \
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142 notproduct(bool, PrintParseStatistics, false, \
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143 "Print nodes, transforms and new values made per bytecode parsed")\
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144 \
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145 notproduct(bool, PrintOptoPeephole, false, \
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146 "Print New compiler peephole replacements") \
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147 \
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148 develop(bool, PrintCFGBlockFreq, false, \
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149 "Print CFG block freqencies") \
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150 \
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151 develop(bool, TraceOptoParse, false, \
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152 "Trace bytecode parse and control-flow merge") \
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153 \
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154 product_pd(intx, LoopUnrollLimit, \
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155 "Unroll loop bodies with node count less than this") \
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156 \
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157 product(intx, LoopUnrollMin, 4, \
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158 "Minimum number of unroll loop bodies before checking progress" \
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159 "of rounds of unroll,optimize,..") \
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160 \
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161 develop(intx, UnrollLimitForProfileCheck, 1, \
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162 "Don't use profile_trip_cnt() to restrict unrolling until " \
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163 "unrolling would push the number of unrolled iterations above " \
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164 "UnrollLimitForProfileCheck. A higher value allows more " \
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165 "unrolling. Zero acts as a very large value." ) \
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166 \
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167 product(intx, MultiArrayExpandLimit, 6, \
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168 "Maximum number of individual allocations in an inline-expanded " \
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169 "multianewarray instruction") \
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170 \
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171 notproduct(bool, TraceProfileTripCount, false, \
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172 "Trace profile loop trip count information") \
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173 \
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174 product(bool, UseLoopPredicate, true, \
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175 "Generate a predicate to select fast/slow loop versions") \
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176 \
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177 develop(bool, TraceLoopPredicate, false, \
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178 "Trace generation of loop predicates") \
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179 \
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180 product(bool, OptimizeFill, false, \
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181 "convert fill/copy loops into intrinsic") \
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182 \
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183 develop(bool, TraceOptimizeFill, false, \
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184 "print detailed information about fill conversion") \
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185 \
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186 develop(bool, OptoCoalesce, true, \
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187 "Use Conservative Copy Coalescing in the Register Allocator") \
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188 \
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189 develop(bool, UseUniqueSubclasses, true, \
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190 "Narrow an abstract reference to the unique concrete subclass") \
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191 \
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192 develop(bool, UseExactTypes, true, \
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193 "Use exact types to eliminate array store checks and v-calls") \
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194 \
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195 product(intx, TrackedInitializationLimit, 50, \
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196 "When initializing fields, track up to this many words") \
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197 \
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198 product(bool, ReduceFieldZeroing, true, \
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199 "When initializing fields, try to avoid needless zeroing") \
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200 \
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201 product(bool, ReduceInitialCardMarks, true, \
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202 "When initializing fields, try to avoid needless card marks") \
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203 \
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204 product(bool, ReduceBulkZeroing, true, \
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205 "When bulk-initializing, try to avoid needless zeroing") \
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206 \
1730
f55c4f82ab9d 6978249: spill between cpu and fpu registers when those moves are fast
never
parents: 1685
diff changeset
207 product(bool, UseFPUForSpilling, false, \
f55c4f82ab9d 6978249: spill between cpu and fpu registers when those moves are fast
never
parents: 1685
diff changeset
208 "Spill integer registers to FPU instead of stack when possible") \
f55c4f82ab9d 6978249: spill between cpu and fpu registers when those moves are fast
never
parents: 1685
diff changeset
209 \
0
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210 develop_pd(intx, RegisterCostAreaRatio, \
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parents:
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211 "Spill selection in reg allocator: scale area by (X/64K) before " \
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parents:
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212 "adding cost") \
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parents:
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213 \
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parents:
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214 develop_pd(bool, UseCISCSpill, \
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parents:
diff changeset
215 "Use ADLC supplied cisc instructions during allocation") \
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parents:
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216 \
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217 notproduct(bool, VerifyGraphEdges , false, \
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parents:
diff changeset
218 "Verify Bi-directional Edges") \
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parents:
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219 \
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220 notproduct(bool, VerifyDUIterators, true, \
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parents:
diff changeset
221 "Verify the safety of all iterations of Bi-directional Edges") \
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222 \
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223 notproduct(bool, VerifyHashTableKeys, true, \
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parents:
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224 "Verify the immutability of keys in the VN hash tables") \
a61af66fc99e Initial load
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225 \
550
96964ebdb154 6782232: assert("CreateEx must be first instruction in block" )
kvn
parents: 434
diff changeset
226 notproduct(bool, VerifyRegisterAllocator , false, \
96964ebdb154 6782232: assert("CreateEx must be first instruction in block" )
kvn
parents: 434
diff changeset
227 "Verify Register Allocator") \
96964ebdb154 6782232: assert("CreateEx must be first instruction in block" )
kvn
parents: 434
diff changeset
228 \
0
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229 develop_pd(intx, FLOATPRESSURE, \
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parents:
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230 "Number of float LRG's that constitute high register pressure") \
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231 \
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232 develop_pd(intx, INTPRESSURE, \
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parents:
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233 "Number of integer LRG's that constitute high register pressure") \
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234 \
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parents:
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235 notproduct(bool, TraceOptoPipelining, false, \
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parents:
diff changeset
236 "Trace pipelining information") \
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237 \
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238 notproduct(bool, TraceOptoOutput, false, \
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parents:
diff changeset
239 "Trace pipelining information") \
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240 \
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parents:
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241 product_pd(bool, OptoScheduling, \
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parents:
diff changeset
242 "Instruction Scheduling after register allocation") \
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parents:
diff changeset
243 \
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244 product(bool, PartialPeelLoop, true, \
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parents:
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245 "Partial peel (rotate) loops") \
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parents:
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246 \
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247 product(intx, PartialPeelNewPhiDelta, 0, \
a61af66fc99e Initial load
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parents:
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248 "Additional phis that can be created by partial peeling") \
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249 \
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250 notproduct(bool, TracePartialPeeling, false, \
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parents:
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251 "Trace partial peeling (loop rotation) information") \
a61af66fc99e Initial load
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252 \
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253 product(bool, PartialPeelAtUnsignedTests, true, \
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parents:
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254 "Partial peel at unsigned tests if no signed test exists") \
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255 \
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256 product(bool, ReassociateInvariants, true, \
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257 "Enable reassociation of expressions with loop invariants.") \
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parents:
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258 \
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parents:
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259 product(bool, LoopUnswitching, true, \
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parents:
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260 "Enable loop unswitching (a form of invariant test hoisting)") \
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parents:
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261 \
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parents:
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262 notproduct(bool, TraceLoopUnswitching, false, \
a61af66fc99e Initial load
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parents:
diff changeset
263 "Trace loop unswitching") \
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parents:
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264 \
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diff changeset
265 product(bool, UseSuperWord, true, \
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parents:
diff changeset
266 "Transform scalar operations into superword operations") \
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parents:
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267 \
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268 develop(bool, SuperWordRTDepCheck, false, \
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parents:
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269 "Enable runtime dependency checks.") \
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270 \
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parents:
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271 product(bool, TraceSuperWord, false, \
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parents:
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272 "Trace superword transforms") \
a61af66fc99e Initial load
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parents:
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273 \
a61af66fc99e Initial load
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parents:
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274 product_pd(bool, OptoBundling, \
a61af66fc99e Initial load
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parents:
diff changeset
275 "Generate nops to fill i-cache lines") \
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parents:
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276 \
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277 product_pd(intx, ConditionalMoveLimit, \
a61af66fc99e Initial load
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parents:
diff changeset
278 "Limit of ops to make speculative when using CMOVE") \
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parents:
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279 \
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parents:
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280 /* Set BranchOnRegister == false. See 4965987. */ \
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parents:
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281 product(bool, BranchOnRegister, false, \
a61af66fc99e Initial load
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parents:
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282 "Use Sparc V9 branch-on-register opcodes") \
a61af66fc99e Initial load
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parents:
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283 \
a61af66fc99e Initial load
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parents:
diff changeset
284 develop(bool, SparcV9RegsHiBitsZero, true, \
a61af66fc99e Initial load
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parents:
diff changeset
285 "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \
a61af66fc99e Initial load
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parents:
diff changeset
286 \
2008
2f644f85485d 6961690: load oops from constant table on SPARC
twisti
parents: 1972
diff changeset
287 product(bool, UseRDPCForConstantTableBase, false, \
2f644f85485d 6961690: load oops from constant table on SPARC
twisti
parents: 1972
diff changeset
288 "Use Sparc RDPC instruction for the constant table base.") \
2f644f85485d 6961690: load oops from constant table on SPARC
twisti
parents: 1972
diff changeset
289 \
0
a61af66fc99e Initial load
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parents:
diff changeset
290 develop(intx, PrintIdealGraphLevel, 0, \
a61af66fc99e Initial load
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parents:
diff changeset
291 "Print ideal graph to XML file / network interface. " \
a61af66fc99e Initial load
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parents:
diff changeset
292 "By default attempts to connect to the visualizer on a socket.") \
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parents:
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293 \
a61af66fc99e Initial load
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parents:
diff changeset
294 develop(intx, PrintIdealGraphPort, 4444, \
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parents:
diff changeset
295 "Ideal graph printer to network port") \
a61af66fc99e Initial load
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parents:
diff changeset
296 \
434
de78b80cedec 6772413: code cleanup
kvn
parents: 420
diff changeset
297 notproduct(ccstr, PrintIdealGraphAddress, "127.0.0.1", \
0
a61af66fc99e Initial load
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parents:
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298 "IP address to connect to visualizer") \
a61af66fc99e Initial load
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parents:
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299 \
434
de78b80cedec 6772413: code cleanup
kvn
parents: 420
diff changeset
300 notproduct(ccstr, PrintIdealGraphFile, NULL, \
0
a61af66fc99e Initial load
duke
parents:
diff changeset
301 "File to dump ideal graph to. If set overrides the " \
a61af66fc99e Initial load
duke
parents:
diff changeset
302 "use of the network") \
a61af66fc99e Initial load
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parents:
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303 \
a61af66fc99e Initial load
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parents:
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304 product(bool, UseOldInlining, true, \
a61af66fc99e Initial load
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parents:
diff changeset
305 "Enable the 1.3 inlining strategy") \
a61af66fc99e Initial load
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parents:
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306 \
a61af66fc99e Initial load
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parents:
diff changeset
307 product(bool, UseBimorphicInlining, true, \
a61af66fc99e Initial load
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parents:
diff changeset
308 "Profiling based inlining for two receivers") \
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parents:
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309 \
a61af66fc99e Initial load
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parents:
diff changeset
310 product(bool, UseOnlyInlinedBimorphic, true, \
a61af66fc99e Initial load
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parents:
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311 "Don't use BimorphicInlining if can't inline a second method") \
a61af66fc99e Initial load
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parents:
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312 \
a61af66fc99e Initial load
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parents:
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313 product(bool, InsertMemBarAfterArraycopy, true, \
a61af66fc99e Initial load
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parents:
diff changeset
314 "Insert memory barrier after arraycopy call") \
a61af66fc99e Initial load
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parents:
diff changeset
315 \
1685
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
316 develop(bool, SubsumeLoads, true, \
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
317 "Attempt to compile while subsuming loads into machine instructions.") \
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
318 \
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
319 develop(bool, StressRecompilation, false, \
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
320 "Recompile each compiled method without subsuming loads or escape analysis.") \
0e35fa8ebccd 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 1552
diff changeset
321 \
0
a61af66fc99e Initial load
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parents:
diff changeset
322 /* controls for tier 1 compilations */ \
a61af66fc99e Initial load
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parents:
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323 \
a61af66fc99e Initial load
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parents:
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324 develop(bool, Tier1CountInvocations, true, \
a61af66fc99e Initial load
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parents:
diff changeset
325 "Generate code, during tier 1, to update invocation counter") \
a61af66fc99e Initial load
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parents:
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326 \
a61af66fc99e Initial load
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parents:
diff changeset
327 product(intx, Tier1Inline, false, \
a61af66fc99e Initial load
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parents:
diff changeset
328 "enable inlining during tier 1") \
a61af66fc99e Initial load
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parents:
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329 \
a61af66fc99e Initial load
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parents:
diff changeset
330 product(intx, Tier1MaxInlineSize, 8, \
a61af66fc99e Initial load
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parents:
diff changeset
331 "maximum bytecode size of a method to be inlined, during tier 1") \
a61af66fc99e Initial load
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parents:
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332 \
a61af66fc99e Initial load
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parents:
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333 product(intx, Tier1FreqInlineSize, 35, \
a61af66fc99e Initial load
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parents:
diff changeset
334 "max bytecode size of a frequent method to be inlined, tier 1") \
a61af66fc99e Initial load
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parents:
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335 \
a61af66fc99e Initial load
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parents:
diff changeset
336 develop(intx, ImplicitNullCheckThreshold, 3, \
a61af66fc99e Initial load
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parents:
diff changeset
337 "Don't do implicit null checks if NPE's in a method exceeds limit") \
a61af66fc99e Initial load
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parents:
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338 \
a61af66fc99e Initial load
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parents:
diff changeset
339 /* controls for loop optimization */ \
a61af66fc99e Initial load
duke
parents:
diff changeset
340 product(intx, Tier1LoopOptsCount, 0, \
a61af66fc99e Initial load
duke
parents:
diff changeset
341 "Set level of loop optimization for tier 1 compiles") \
a61af66fc99e Initial load
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parents:
diff changeset
342 \
a61af66fc99e Initial load
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parents:
diff changeset
343 product(intx, LoopOptsCount, 43, \
a61af66fc99e Initial load
duke
parents:
diff changeset
344 "Set level of loop optimization for tier 1 compiles") \
a61af66fc99e Initial load
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parents:
diff changeset
345 \
a61af66fc99e Initial load
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parents:
diff changeset
346 /* controls for heat-based inlining */ \
a61af66fc99e Initial load
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parents:
diff changeset
347 \
a61af66fc99e Initial load
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parents:
diff changeset
348 develop(intx, NodeCountInliningCutoff, 18000, \
a61af66fc99e Initial load
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parents:
diff changeset
349 "If parser node generation exceeds limit stop inlining") \
a61af66fc99e Initial load
duke
parents:
diff changeset
350 \
a61af66fc99e Initial load
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parents:
diff changeset
351 develop(intx, NodeCountInliningStep, 1000, \
a61af66fc99e Initial load
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parents:
diff changeset
352 "Target size of warm calls inlined between optimization passes") \
a61af66fc99e Initial load
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parents:
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353 \
a61af66fc99e Initial load
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parents:
diff changeset
354 develop(bool, InlineWarmCalls, false, \
a61af66fc99e Initial load
duke
parents:
diff changeset
355 "Use a heat-based priority queue to govern inlining") \
a61af66fc99e Initial load
duke
parents:
diff changeset
356 \
a61af66fc99e Initial load
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parents:
diff changeset
357 develop(intx, HotCallCountThreshold, 999999, \
a61af66fc99e Initial load
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parents:
diff changeset
358 "large numbers of calls (per method invocation) force hotness") \
a61af66fc99e Initial load
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parents:
diff changeset
359 \
a61af66fc99e Initial load
duke
parents:
diff changeset
360 develop(intx, HotCallProfitThreshold, 999999, \
a61af66fc99e Initial load
duke
parents:
diff changeset
361 "highly profitable inlining opportunities force hotness") \
a61af66fc99e Initial load
duke
parents:
diff changeset
362 \
a61af66fc99e Initial load
duke
parents:
diff changeset
363 develop(intx, HotCallTrivialWork, -1, \
a61af66fc99e Initial load
duke
parents:
diff changeset
364 "trivial execution time (no larger than this) forces hotness") \
a61af66fc99e Initial load
duke
parents:
diff changeset
365 \
a61af66fc99e Initial load
duke
parents:
diff changeset
366 develop(intx, HotCallTrivialSize, -1, \
a61af66fc99e Initial load
duke
parents:
diff changeset
367 "trivial methods (no larger than this) force calls to be hot") \
a61af66fc99e Initial load
duke
parents:
diff changeset
368 \
a61af66fc99e Initial load
duke
parents:
diff changeset
369 develop(intx, WarmCallMinCount, -1, \
a61af66fc99e Initial load
duke
parents:
diff changeset
370 "number of calls (per method invocation) to enable inlining") \
a61af66fc99e Initial load
duke
parents:
diff changeset
371 \
a61af66fc99e Initial load
duke
parents:
diff changeset
372 develop(intx, WarmCallMinProfit, -1, \
a61af66fc99e Initial load
duke
parents:
diff changeset
373 "number of calls (per method invocation) to enable inlining") \
a61af66fc99e Initial load
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parents:
diff changeset
374 \
a61af66fc99e Initial load
duke
parents:
diff changeset
375 develop(intx, WarmCallMaxWork, 999999, \
a61af66fc99e Initial load
duke
parents:
diff changeset
376 "execution time of the largest inlinable method") \
a61af66fc99e Initial load
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parents:
diff changeset
377 \
a61af66fc99e Initial load
duke
parents:
diff changeset
378 develop(intx, WarmCallMaxSize, 999999, \
a61af66fc99e Initial load
duke
parents:
diff changeset
379 "size of the largest inlinable method") \
a61af66fc99e Initial load
duke
parents:
diff changeset
380 \
a61af66fc99e Initial load
duke
parents:
diff changeset
381 product(intx, MaxNodeLimit, 65000, \
a61af66fc99e Initial load
duke
parents:
diff changeset
382 "Maximum number of nodes") \
a61af66fc99e Initial load
duke
parents:
diff changeset
383 \
a61af66fc99e Initial load
duke
parents:
diff changeset
384 product(intx, NodeLimitFudgeFactor, 1000, \
a61af66fc99e Initial load
duke
parents:
diff changeset
385 "Fudge Factor for certain optimizations") \
a61af66fc99e Initial load
duke
parents:
diff changeset
386 \
a61af66fc99e Initial load
duke
parents:
diff changeset
387 product(bool, UseJumpTables, true, \
a61af66fc99e Initial load
duke
parents:
diff changeset
388 "Use JumpTables instead of a binary search tree for switches") \
a61af66fc99e Initial load
duke
parents:
diff changeset
389 \
a61af66fc99e Initial load
duke
parents:
diff changeset
390 product(bool, UseDivMod, true, \
a61af66fc99e Initial load
duke
parents:
diff changeset
391 "Use combined DivMod instruction if available") \
a61af66fc99e Initial load
duke
parents:
diff changeset
392 \
a61af66fc99e Initial load
duke
parents:
diff changeset
393 product(intx, MinJumpTableSize, 18, \
a61af66fc99e Initial load
duke
parents:
diff changeset
394 "Minimum number of targets in a generated jump table") \
a61af66fc99e Initial load
duke
parents:
diff changeset
395 \
a61af66fc99e Initial load
duke
parents:
diff changeset
396 product(intx, MaxJumpTableSize, 65000, \
a61af66fc99e Initial load
duke
parents:
diff changeset
397 "Maximum number of targets in a generated jump table") \
a61af66fc99e Initial load
duke
parents:
diff changeset
398 \
a61af66fc99e Initial load
duke
parents:
diff changeset
399 product(intx, MaxJumpTableSparseness, 5, \
a61af66fc99e Initial load
duke
parents:
diff changeset
400 "Maximum sparseness for jumptables") \
a61af66fc99e Initial load
duke
parents:
diff changeset
401 \
a61af66fc99e Initial load
duke
parents:
diff changeset
402 product(bool, EliminateLocks, true, \
a61af66fc99e Initial load
duke
parents:
diff changeset
403 "Coarsen locks when possible") \
a61af66fc99e Initial load
duke
parents:
diff changeset
404 \
a61af66fc99e Initial load
duke
parents:
diff changeset
405 notproduct(bool, PrintLockStatistics, false, \
a61af66fc99e Initial load
duke
parents:
diff changeset
406 "Print precise statistics on the dynamic lock usage") \
a61af66fc99e Initial load
duke
parents:
diff changeset
407 \
a61af66fc99e Initial load
duke
parents:
diff changeset
408 diagnostic(bool, PrintPreciseBiasedLockingStatistics, false, \
a61af66fc99e Initial load
duke
parents:
diff changeset
409 "Print per-lock-site statistics of biased locking in JVM") \
a61af66fc99e Initial load
duke
parents:
diff changeset
410 \
a61af66fc99e Initial load
duke
parents:
diff changeset
411 notproduct(bool, PrintEliminateLocks, false, \
a61af66fc99e Initial load
duke
parents:
diff changeset
412 "Print out when locks are eliminated") \
a61af66fc99e Initial load
duke
parents:
diff changeset
413 \
17
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
414 diagnostic(bool, EliminateAutoBox, false, \
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
415 "Private flag to control optimizations for autobox elimination") \
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
416 \
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
417 product(intx, AutoBoxCacheMax, 128, \
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
418 "Sets max value cached by the java.lang.Integer autobox cache") \
ff5961f4c095 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 0
diff changeset
419 \
930
357d4e2eb4dd 6873799: enable escape analysis by default
kvn
parents: 673
diff changeset
420 product(bool, DoEscapeAnalysis, true, \
0
a61af66fc99e Initial load
duke
parents:
diff changeset
421 "Perform escape analysis") \
a61af66fc99e Initial load
duke
parents:
diff changeset
422 \
a61af66fc99e Initial load
duke
parents:
diff changeset
423 notproduct(bool, PrintEscapeAnalysis, false, \
a61af66fc99e Initial load
duke
parents:
diff changeset
424 "Print the results of escape analysis") \
a61af66fc99e Initial load
duke
parents:
diff changeset
425 \
a61af66fc99e Initial load
duke
parents:
diff changeset
426 product(bool, EliminateAllocations, true, \
a61af66fc99e Initial load
duke
parents:
diff changeset
427 "Use escape analysis to eliminate allocations") \
a61af66fc99e Initial load
duke
parents:
diff changeset
428 \
65
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
429 notproduct(bool, PrintEliminateAllocations, false, \
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
430 "Print out when allocations are eliminated") \
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
431 \
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
432 product(intx, EliminateAllocationArraySizeLimit, 64, \
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
433 "Array size (number of elements) limit for scalar replacement") \
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 17
diff changeset
434 \
673
fbc12e71c476 6810845: Performance regression in mpegaudio on x64
kvn
parents: 579
diff changeset
435 product(bool, UseOptoBiasInlining, true, \
420
a1980da045cc 6462850: generate biased locking code in C2 ideal graph
kvn
parents: 418
diff changeset
436 "Generate biased locking code in C2 ideal graph") \
a1980da045cc 6462850: generate biased locking code in C2 ideal graph
kvn
parents: 418
diff changeset
437 \
1081
bd12fff78df5 6904191: OptimizeStringConcat should be product instead of experimental
cfang
parents: 1080
diff changeset
438 product(bool, OptimizeStringConcat, false, \
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
439 "Optimize the construction of Strings by StringBuilder") \
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
440 \
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
441 notproduct(bool, PrintOptimizeStringConcat, false, \
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
442 "Print information about transformations performed on Strings") \
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
443 \
253
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 245
diff changeset
444 product(intx, ValueSearchLimit, 1000, \
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 245
diff changeset
445 "Recursion limit in PhaseMacroExpand::value_from_mem_phi") \
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 245
diff changeset
446 \
0
a61af66fc99e Initial load
duke
parents:
diff changeset
447 product(intx, MaxLabelRootDepth, 1100, \
a61af66fc99e Initial load
duke
parents:
diff changeset
448 "Maximum times call Label_Root to prevent stack overflow") \
155
723be81c1212 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 65
diff changeset
449 \
723be81c1212 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 65
diff changeset
450 diagnostic(intx, DominatorSearchLimit, 1000, \
723be81c1212 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 65
diff changeset
451 "Iterations limit in Node::dominates") \
418
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
452 \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
453 product(bool, BlockLayoutByFrequency, true, \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
454 "Use edge frequencies to drive block ordering") \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
455 \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
456 product(intx, BlockLayoutMinDiamondPercentage, 20, \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
457 "Miniumum %% of a successor (predecessor) for which block layout "\
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
458 "a will allow a fork (join) in a single chain") \
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
459 \
673
fbc12e71c476 6810845: Performance regression in mpegaudio on x64
kvn
parents: 579
diff changeset
460 product(bool, BlockLayoutRotateLoops, true, \
418
72c5366e5d86 6743900: frequency based block layout
rasbold
parents: 257
diff changeset
461 "Allow back branches to be fall throughs in the block layour") \
0
a61af66fc99e Initial load
duke
parents:
diff changeset
462
1080
7c57aead6d3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 930
diff changeset
463 C2_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG)
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1763
diff changeset
464
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1763
diff changeset
465 #endif // SHARE_VM_OPTO_C2_GLOBALS_HPP