1/* 2 * Copyright (c) 2000, 2016, 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#include "utilities/macros.hpp" 30 31#include CPU_HEADER(c1_globals) 32#include OS_HEADER(c1_globals) 33 34// 35// Defines all global flags used by the client compiler. 36// 37#define C1_FLAGS(develop, \ 38 develop_pd, \ 39 product, \ 40 product_pd, \ 41 diagnostic, \ 42 diagnostic_pd, \ 43 notproduct, \ 44 range, \ 45 constraint, \ 46 writeable) \ 47 \ 48 /* Printing */ \ 49 notproduct(bool, PrintC1Statistics, false, \ 50 "Print Compiler1 statistics" ) \ 51 \ 52 notproduct(bool, PrintInitialBlockList, false, \ 53 "Print block list of BlockListBuilder") \ 54 \ 55 notproduct(bool, PrintCFG, false, \ 56 "Print control flow graph after each change") \ 57 \ 58 notproduct(bool, PrintCFG0, false, \ 59 "Print control flow graph after construction") \ 60 \ 61 notproduct(bool, PrintCFG1, false, \ 62 "Print control flow graph after optimizations") \ 63 \ 64 notproduct(bool, PrintCFG2, false, \ 65 "Print control flow graph before code generation") \ 66 \ 67 notproduct(bool, PrintIRDuringConstruction, false, \ 68 "Print IR as it's being constructed (helpful for debugging frontend)")\ 69 \ 70 notproduct(bool, PrintPhiFunctions, false, \ 71 "Print phi functions when they are created and simplified") \ 72 \ 73 notproduct(bool, PrintIR, false, \ 74 "Print full intermediate representation after each change") \ 75 \ 76 notproduct(bool, PrintIR0, false, \ 77 "Print full intermediate representation after construction") \ 78 \ 79 notproduct(bool, PrintIR1, false, \ 80 "Print full intermediate representation after optimizations") \ 81 \ 82 notproduct(bool, PrintIR2, false, \ 83 "Print full intermediate representation before code generation") \ 84 \ 85 notproduct(bool, PrintSimpleStubs, false, \ 86 "Print SimpleStubs") \ 87 \ 88 /* C1 optimizations */ \ 89 \ 90 develop(bool, UseC1Optimizations, true, \ 91 "Turn on C1 optimizations") \ 92 \ 93 develop(bool, SelectivePhiFunctions, true, \ 94 "create phi functions at loop headers only when necessary") \ 95 \ 96 develop(bool, OptimizeIfOps, true, \ 97 "Optimize multiple IfOps") \ 98 \ 99 develop(bool, DoCEE, true, \ 100 "Do Conditional Expression Elimination to simplify CFG") \ 101 \ 102 develop(bool, PrintCEE, false, \ 103 "Print Conditional Expression Elimination") \ 104 \ 105 develop(bool, UseLocalValueNumbering, true, \ 106 "Use Local Value Numbering (embedded in GraphBuilder)") \ 107 \ 108 develop(bool, UseGlobalValueNumbering, true, \ 109 "Use Global Value Numbering (separate phase)") \ 110 \ 111 product(bool, UseLoopInvariantCodeMotion, true, \ 112 "Simple loop invariant code motion for short loops during GVN") \ 113 \ 114 develop(bool, TracePredicateFailedTraps, false, \ 115 "trace runtime traps caused by predicate failure") \ 116 \ 117 develop(bool, StressLoopInvariantCodeMotion, false, \ 118 "stress loop invariant code motion") \ 119 \ 120 develop(bool, TraceRangeCheckElimination, false, \ 121 "Trace Range Check Elimination") \ 122 \ 123 develop(bool, AssertRangeCheckElimination, false, \ 124 "Assert Range Check Elimination") \ 125 \ 126 develop(bool, StressRangeCheckElimination, false, \ 127 "stress Range Check Elimination") \ 128 \ 129 develop(bool, PrintValueNumbering, false, \ 130 "Print Value Numbering") \ 131 \ 132 product(intx, ValueMapInitialSize, 11, \ 133 "Initial size of a value map") \ 134 range(1, NOT_LP64(1*K) LP64_ONLY(32*K)) \ 135 \ 136 product(intx, ValueMapMaxLoopSize, 8, \ 137 "maximum size of a loop optimized by global value numbering") \ 138 range(0, 128) \ 139 \ 140 develop(bool, EliminateBlocks, true, \ 141 "Eliminate unneccessary basic blocks") \ 142 \ 143 develop(bool, PrintBlockElimination, false, \ 144 "Print basic block elimination") \ 145 \ 146 develop(bool, EliminateNullChecks, true, \ 147 "Eliminate unneccessary null checks") \ 148 \ 149 develop(bool, PrintNullCheckElimination, false, \ 150 "Print null check elimination") \ 151 \ 152 develop(bool, EliminateFieldAccess, true, \ 153 "Optimize field loads and stores") \ 154 \ 155 develop(bool, InlineMethodsWithExceptionHandlers, true, \ 156 "Inline methods containing exception handlers " \ 157 "(NOTE: does not work with current backend)") \ 158 \ 159 product(bool, InlineSynchronizedMethods, true, \ 160 "Inline synchronized methods") \ 161 \ 162 diagnostic(bool, InlineNIOCheckIndex, true, \ 163 "Intrinsify java.nio.Buffer.checkIndex") \ 164 \ 165 develop(bool, CanonicalizeNodes, true, \ 166 "Canonicalize graph nodes") \ 167 \ 168 develop(bool, PrintCanonicalization, false, \ 169 "Print graph node canonicalization") \ 170 \ 171 develop(bool, UseTableRanges, true, \ 172 "Faster versions of lookup table using ranges") \ 173 \ 174 develop_pd(bool, RoundFPResults, \ 175 "Indicates whether rounding is needed for floating point results")\ 176 \ 177 develop(intx, NestedInliningSizeRatio, 90, \ 178 "Percentage of prev. allowed inline size in recursive inlining") \ 179 range(0, 100) \ 180 \ 181 notproduct(bool, PrintIRWithLIR, false, \ 182 "Print IR instructions with generated LIR") \ 183 \ 184 notproduct(bool, PrintLIRWithAssembly, false, \ 185 "Show LIR instruction with generated assembly") \ 186 \ 187 develop(bool, CommentedAssembly, trueInDebug, \ 188 "Show extra info in PrintNMethods output") \ 189 \ 190 develop(bool, LIRTracePeephole, false, \ 191 "Trace peephole optimizer") \ 192 \ 193 develop(bool, LIRTraceExecution, false, \ 194 "add LIR code which logs the execution of blocks") \ 195 \ 196 product_pd(bool, LIRFillDelaySlots, \ 197 "fill delays on on SPARC with LIR") \ 198 \ 199 develop_pd(bool, CSEArrayLength, \ 200 "Create separate nodes for length in array accesses") \ 201 \ 202 develop_pd(bool, TwoOperandLIRForm, \ 203 "true if LIR requires src1 and dst to match in binary LIR ops") \ 204 \ 205 develop(intx, TraceLinearScanLevel, 0, \ 206 "Debug levels for the linear scan allocator") \ 207 range(0, 4) \ 208 \ 209 develop(bool, StressLinearScan, false, \ 210 "scramble block order used by LinearScan (stress test)") \ 211 \ 212 product(bool, TimeLinearScan, false, \ 213 "detailed timing of LinearScan phases") \ 214 \ 215 develop(bool, TimeEachLinearScan, false, \ 216 "print detailed timing of each LinearScan run") \ 217 \ 218 develop(bool, CountLinearScan, false, \ 219 "collect statistic counters during LinearScan") \ 220 \ 221 /* C1 variable */ \ 222 \ 223 develop(bool, C1Breakpoint, false, \ 224 "Sets a breakpoint at entry of each compiled method") \ 225 \ 226 develop(bool, ImplicitDiv0Checks, true, \ 227 "Use implicit division by zero checks") \ 228 \ 229 develop(bool, PinAllInstructions, false, \ 230 "All instructions are pinned") \ 231 \ 232 develop(bool, UseFastNewInstance, true, \ 233 "Use fast inlined instance allocation") \ 234 \ 235 develop(bool, UseFastNewTypeArray, true, \ 236 "Use fast inlined type array allocation") \ 237 \ 238 develop(bool, UseFastNewObjectArray, true, \ 239 "Use fast inlined object array allocation") \ 240 \ 241 develop(bool, UseFastLocking, true, \ 242 "Use fast inlined locking code") \ 243 \ 244 develop(bool, UseSlowPath, false, \ 245 "For debugging: test slow cases by always using them") \ 246 \ 247 develop(bool, GenerateArrayStoreCheck, true, \ 248 "Generates code for array store checks") \ 249 \ 250 develop(bool, DeoptC1, true, \ 251 "Use deoptimization in C1") \ 252 \ 253 develop(bool, PrintBailouts, false, \ 254 "Print bailout and its reason") \ 255 \ 256 develop(bool, TracePatching, false, \ 257 "Trace patching of field access on uninitialized classes") \ 258 \ 259 develop(bool, PatchALot, false, \ 260 "Marks all fields as having unloaded classes") \ 261 \ 262 develop(bool, PrintNotLoaded, false, \ 263 "Prints where classes are not loaded during code generation") \ 264 \ 265 develop(bool, PrintLIR, false, \ 266 "print low-level IR") \ 267 \ 268 develop(bool, BailoutAfterHIR, false, \ 269 "bailout of compilation after building of HIR") \ 270 \ 271 develop(bool, BailoutAfterLIR, false, \ 272 "bailout of compilation after building of LIR") \ 273 \ 274 develop(bool, BailoutOnExceptionHandlers, false, \ 275 "bailout of compilation for methods with exception handlers") \ 276 \ 277 develop(bool, InstallMethods, true, \ 278 "Install methods at the end of successful compilations") \ 279 \ 280 develop(intx, NMethodSizeLimit, (64*K)*wordSize, \ 281 "Maximum size of a compiled method.") \ 282 range(0, max_jint) \ 283 \ 284 develop(bool, TraceFPUStack, false, \ 285 "Trace emulation of the FPU stack (intel only)") \ 286 \ 287 develop(bool, TraceFPURegisterUsage, false, \ 288 "Trace usage of FPU registers at start of blocks (intel only)") \ 289 \ 290 develop(bool, OptimizeUnsafes, true, \ 291 "Optimize raw unsafe ops") \ 292 \ 293 develop(bool, PrintUnsafeOptimization, false, \ 294 "Print optimization of raw unsafe ops") \ 295 \ 296 develop(intx, InstructionCountCutoff, 37000, \ 297 "If GraphBuilder adds this many instructions, bails out") \ 298 range(0, max_jint) \ 299 \ 300 develop(bool, ComputeExactFPURegisterUsage, true, \ 301 "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \ 302 \ 303 product(bool, C1ProfileCalls, true, \ 304 "Profile calls when generating code for updating MDOs") \ 305 \ 306 product(bool, C1ProfileVirtualCalls, true, \ 307 "Profile virtual calls when generating code for updating MDOs") \ 308 \ 309 product(bool, C1ProfileInlinedCalls, true, \ 310 "Profile inlined calls when generating code for updating MDOs") \ 311 \ 312 product(bool, C1ProfileBranches, true, \ 313 "Profile branches when generating code for updating MDOs") \ 314 \ 315 product(bool, C1ProfileCheckcasts, true, \ 316 "Profile checkcasts when generating code for updating MDOs") \ 317 \ 318 product(bool, C1OptimizeVirtualCallProfiling, true, \ 319 "Use CHA and exact type results at call sites when updating MDOs")\ 320 \ 321 product(bool, C1UpdateMethodData, trueInTiered, \ 322 "Update MethodData*s in Tier1-generated code") \ 323 \ 324 develop(bool, PrintCFGToFile, false, \ 325 "print control flow graph to a separate file during compilation") \ 326 \ 327// Read default values for c1 globals 328 329C1_FLAGS(DECLARE_DEVELOPER_FLAG, \ 330 DECLARE_PD_DEVELOPER_FLAG, \ 331 DECLARE_PRODUCT_FLAG, \ 332 DECLARE_PD_PRODUCT_FLAG, \ 333 DECLARE_DIAGNOSTIC_FLAG, \ 334 DECLARE_PD_DIAGNOSTIC_FLAG, \ 335 DECLARE_NOTPRODUCT_FLAG, \ 336 IGNORE_RANGE, \ 337 IGNORE_CONSTRAINT, \ 338 IGNORE_WRITEABLE) 339 340#endif // SHARE_VM_C1_C1_GLOBALS_HPP 341