1 /* 2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_C1_C1_GLOBALS_HPP 26 #define SHARE_VM_C1_C1_GLOBALS_HPP 27 28 #include "runtime/globals.hpp" 29 #ifdef TARGET_ARCH_x86 30 # include "c1_globals_x86.hpp" 31 #endif 32 #ifdef TARGET_ARCH_sparc 33 # include "c1_globals_sparc.hpp" 34 #endif 35 #ifdef TARGET_ARCH_arm 36 # include "c1_globals_arm.hpp" 37 #endif 38 #ifdef TARGET_ARCH_ppc 39 # include "c1_globals_ppc.hpp" 40 #endif 41 #ifdef TARGET_OS_FAMILY_linux 42 # include "c1_globals_linux.hpp" 43 #endif 44 #ifdef TARGET_OS_FAMILY_solaris 45 # include "c1_globals_solaris.hpp" 46 #endif 47 #ifdef TARGET_OS_FAMILY_windows 48 # include "c1_globals_windows.hpp" 49 #endif 50 #ifdef TARGET_OS_FAMILY_bsd 51 # include "c1_globals_bsd.hpp" 52 #endif 53 54 // 55 // Defines all global flags used by the client compiler. 56 // 57 #define C1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \ 58 \ 59 /* Printing */ \ 60 notproduct(bool, PrintC1Statistics, false, \ 61 "Print Compiler1 statistics" ) \ 62 \ 63 notproduct(bool, PrintInitialBlockList, false, \ 64 "Print block list of BlockListBuilder") \ 65 \ 66 notproduct(bool, PrintCFG, false, \ 67 "Print control flow graph after each change") \ 68 \ 69 notproduct(bool, PrintCFG0, false, \ 70 "Print control flow graph after construction") \ 71 \ 72 notproduct(bool, PrintCFG1, false, \ 73 "Print control flow graph after optimizations") \ 74 \ 75 notproduct(bool, PrintCFG2, false, \ 76 "Print control flow graph before code generation") \ 77 \ 78 notproduct(bool, PrintIRDuringConstruction, false, \ 79 "Print IR as it's being constructed (helpful for debugging frontend)")\ 80 \ 81 notproduct(bool, PrintPhiFunctions, false, \ 82 "Print phi functions when they are created and simplified") \ 83 \ 84 notproduct(bool, PrintIR, false, \ 85 "Print full intermediate representation after each change") \ 86 \ 87 notproduct(bool, PrintIR0, false, \ 88 "Print full intermediate representation after construction") \ 89 \ 90 notproduct(bool, PrintIR1, false, \ 91 "Print full intermediate representation after optimizations") \ 92 \ 93 notproduct(bool, PrintIR2, false, \ 94 "Print full intermediate representation before code generation") \ 95 \ 96 notproduct(bool, PrintSimpleStubs, false, \ 97 "Print SimpleStubs") \ 98 \ 99 /* C1 optimizations */ \ 100 \ 101 develop(bool, UseC1Optimizations, true, \ 102 "Turn on C1 optimizations") \ 103 \ 104 develop(bool, SelectivePhiFunctions, true, \ 105 "create phi functions at loop headers only when necessary") \ 106 \ 107 develop(bool, OptimizeIfOps, true, \ 108 "Optimize multiple IfOps") \ 109 \ 110 develop(bool, DoCEE, true, \ 111 "Do Conditional Expression Elimination to simplify CFG") \ 112 \ 113 develop(bool, PrintCEE, false, \ 114 "Print Conditional Expression Elimination") \ 115 \ 116 develop(bool, UseLocalValueNumbering, true, \ 117 "Use Local Value Numbering (embedded in GraphBuilder)") \ 118 \ 119 develop(bool, UseGlobalValueNumbering, true, \ 120 "Use Global Value Numbering (separate phase)") \ 121 \ 122 product(bool, UseLoopInvariantCodeMotion, true, \ 123 "Simple loop invariant code motion for short loops during GVN") \ 124 \ 125 develop(bool, TracePredicateFailedTraps, false, \ 126 "trace runtime traps caused by predicate failure") \ 127 \ 128 develop(bool, StressLoopInvariantCodeMotion, false, \ 129 "stress loop invariant code motion") \ 130 \ 131 develop(bool, TraceRangeCheckElimination, false, \ 132 "Trace Range Check Elimination") \ 133 \ 134 develop(bool, AssertRangeCheckElimination, false, \ 135 "Assert Range Check Elimination") \ 136 \ 137 develop(bool, StressRangeCheckElimination, false, \ 138 "stress Range Check Elimination") \ 139 \ 140 develop(bool, PrintValueNumbering, false, \ 141 "Print Value Numbering") \ 142 \ 143 product(intx, ValueMapInitialSize, 11, \ 144 "Initial size of a value map") \ 145 \ 146 product(intx, ValueMapMaxLoopSize, 8, \ 147 "maximum size of a loop optimized by global value numbering") \ 148 \ 149 develop(bool, EliminateBlocks, true, \ 150 "Eliminate unneccessary basic blocks") \ 151 \ 152 develop(bool, PrintBlockElimination, false, \ 153 "Print basic block elimination") \ 154 \ 155 develop(bool, EliminateNullChecks, true, \ 156 "Eliminate unneccessary null checks") \ 157 \ 158 develop(bool, PrintNullCheckElimination, false, \ 159 "Print null check elimination") \ 160 \ 161 develop(bool, EliminateFieldAccess, true, \ 162 "Optimize field loads and stores") \ 163 \ 164 develop(bool, InlineMethodsWithExceptionHandlers, true, \ 165 "Inline methods containing exception handlers " \ 166 "(NOTE: does not work with current backend)") \ 167 \ 168 product(bool, InlineSynchronizedMethods, true, \ 169 "Inline synchronized methods") \ 170 \ 171 develop(bool, InlineNIOCheckIndex, true, \ 172 "Intrinsify java.nio.Buffer.checkIndex") \ 173 \ 174 develop(bool, CanonicalizeNodes, true, \ 175 "Canonicalize graph nodes") \ 176 \ 177 develop(bool, PrintCanonicalization, false, \ 178 "Print graph node canonicalization") \ 179 \ 180 develop(bool, UseTableRanges, true, \ 181 "Faster versions of lookup table using ranges") \ 182 \ 183 develop_pd(bool, RoundFPResults, \ 184 "Indicates whether rounding is needed for floating point results")\ 185 \ 186 develop(intx, NestedInliningSizeRatio, 90, \ 187 "Percentage of prev. allowed inline size in recursive inlining") \ 188 \ 189 notproduct(bool, PrintIRWithLIR, false, \ 190 "Print IR instructions with generated LIR") \ 191 \ 192 notproduct(bool, PrintLIRWithAssembly, false, \ 193 "Show LIR instruction with generated assembly") \ 194 \ 195 develop(bool, CommentedAssembly, trueInDebug, \ 196 "Show extra info in PrintNMethods output") \ 197 \ 198 develop(bool, LIRTracePeephole, false, \ 199 "Trace peephole optimizer") \ 200 \ 201 develop(bool, LIRTraceExecution, false, \ 202 "add LIR code which logs the execution of blocks") \ 203 \ 204 product_pd(bool, LIRFillDelaySlots, \ 205 "fill delays on on SPARC with LIR") \ 206 \ 207 develop_pd(bool, CSEArrayLength, \ 208 "Create separate nodes for length in array accesses") \ 209 \ 210 develop_pd(bool, TwoOperandLIRForm, \ 211 "true if LIR requires src1 and dst to match in binary LIR ops") \ 212 \ 213 develop(intx, TraceLinearScanLevel, 0, \ 214 "Debug levels for the linear scan allocator") \ 215 \ 216 develop(bool, StressLinearScan, false, \ 217 "scramble block order used by LinearScan (stress test)") \ 218 \ 219 product(bool, TimeLinearScan, false, \ 220 "detailed timing of LinearScan phases") \ 221 \ 222 develop(bool, TimeEachLinearScan, false, \ 223 "print detailed timing of each LinearScan run") \ 224 \ 225 develop(bool, CountLinearScan, false, \ 226 "collect statistic counters during LinearScan") \ 227 \ 228 /* C1 variable */ \ 229 \ 230 develop(bool, C1Breakpoint, false, \ 231 "Sets a breakpoint at entry of each compiled method") \ 232 \ 233 develop(bool, ImplicitDiv0Checks, true, \ 234 "Use implicit division by zero checks") \ 235 \ 236 develop(bool, PinAllInstructions, false, \ 237 "All instructions are pinned") \ 238 \ 239 develop(bool, UseFastNewInstance, true, \ 240 "Use fast inlined instance allocation") \ 241 \ 242 develop(bool, UseFastNewTypeArray, true, \ 243 "Use fast inlined type array allocation") \ 244 \ 245 develop(bool, UseFastNewObjectArray, true, \ 246 "Use fast inlined object array allocation") \ 247 \ 248 develop(bool, UseFastLocking, true, \ 249 "Use fast inlined locking code") \ 250 \ 251 develop(bool, UseSlowPath, false, \ 252 "For debugging: test slow cases by always using them") \ 253 \ 254 develop(bool, GenerateArrayStoreCheck, true, \ 255 "Generates code for array store checks") \ 256 \ 257 develop(bool, DeoptC1, true, \ 258 "Use deoptimization in C1") \ 259 \ 260 develop(bool, PrintBailouts, false, \ 261 "Print bailout and its reason") \ 262 \ 263 develop(bool, TracePatching, false, \ 264 "Trace patching of field access on uninitialized classes") \ 265 \ 266 develop(bool, PatchALot, false, \ 267 "Marks all fields as having unloaded classes") \ 268 \ 269 develop(bool, PrintNotLoaded, false, \ 270 "Prints where classes are not loaded during code generation") \ 271 \ 272 notproduct(bool, VerifyOopMaps, false, \ 273 "Adds oopmap verification code to the generated code") \ 274 \ 275 develop(bool, PrintLIR, false, \ 276 "print low-level IR") \ 277 \ 278 develop(bool, BailoutAfterHIR, false, \ 279 "bailout of compilation after building of HIR") \ 280 \ 281 develop(bool, BailoutAfterLIR, false, \ 282 "bailout of compilation after building of LIR") \ 283 \ 284 develop(bool, BailoutOnExceptionHandlers, false, \ 285 "bailout of compilation for methods with exception handlers") \ 286 \ 287 develop(bool, InstallMethods, true, \ 288 "Install methods at the end of successful compilations") \ 289 \ 290 product(intx, CompilationRepeat, 0, \ 291 "Number of times to recompile method before returning result") \ 292 \ 293 develop(intx, NMethodSizeLimit, (64*K)*wordSize, \ 294 "Maximum size of a compiled method.") \ 295 \ 296 develop(bool, TraceFPUStack, false, \ 297 "Trace emulation of the FPU stack (intel only)") \ 298 \ 299 develop(bool, TraceFPURegisterUsage, false, \ 300 "Trace usage of FPU registers at start of blocks (intel only)") \ 301 \ 302 develop(bool, OptimizeUnsafes, true, \ 303 "Optimize raw unsafe ops") \ 304 \ 305 develop(bool, PrintUnsafeOptimization, false, \ 306 "Print optimization of raw unsafe ops") \ 307 \ 308 develop(intx, InstructionCountCutoff, 37000, \ 309 "If GraphBuilder adds this many instructions, bails out") \ 310 \ 311 product_pd(intx, SafepointPollOffset, \ 312 "Offset added to polling address (Intel only)") \ 313 \ 314 develop(bool, ComputeExactFPURegisterUsage, true, \ 315 "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \ 316 \ 317 product(bool, C1ProfileCalls, true, \ 318 "Profile calls when generating code for updating MDOs") \ 319 \ 320 product(bool, C1ProfileVirtualCalls, true, \ 321 "Profile virtual calls when generating code for updating MDOs") \ 322 \ 323 product(bool, C1ProfileInlinedCalls, true, \ 324 "Profile inlined calls when generating code for updating MDOs") \ 325 \ 326 product(bool, C1ProfileBranches, true, \ 327 "Profile branches when generating code for updating MDOs") \ 328 \ 329 product(bool, C1ProfileCheckcasts, true, \ 330 "Profile checkcasts when generating code for updating MDOs") \ 331 \ 332 product(bool, C1OptimizeVirtualCallProfiling, true, \ 333 "Use CHA and exact type results at call sites when updating MDOs")\ 334 \ 335 product(bool, C1UpdateMethodData, trueInTiered, \ 336 "Update MethodData*s in Tier1-generated code") \ 337 \ 338 develop(bool, PrintCFGToFile, false, \ 339 "print control flow graph to a separate file during compilation") \ 340 \ 341 diagnostic(bool, C1PatchInvokeDynamic, true, \ 342 "Patch invokedynamic appendix not known at compile time") \ 343 \ 344 \ 345 346 347 // Read default values for c1 globals 348 349 C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) 350 351 #endif // SHARE_VM_C1_C1_GLOBALS_HPP