1 /* 2 * Copyright (c) 2000, 2020, 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_C1_C1_GLOBALS_HPP 26 #define SHARE_C1_C1_GLOBALS_HPP 27 28 #include "runtime/globals_shared.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 \ 47 /* Printing */ \ 48 notproduct(bool, PrintC1Statistics, false, \ 49 "Print Compiler1 statistics" ) \ 50 \ 51 notproduct(bool, PrintInitialBlockList, false, \ 52 "Print block list of BlockListBuilder") \ 53 \ 54 notproduct(bool, PrintCFG, false, \ 55 "Print control flow graph after each change") \ 56 \ 57 notproduct(bool, PrintCFG0, false, \ 58 "Print control flow graph after construction") \ 59 \ 60 notproduct(bool, PrintCFG1, false, \ 61 "Print control flow graph after optimizations") \ 62 \ 63 notproduct(bool, PrintCFG2, false, \ 64 "Print control flow graph before code generation") \ 65 \ 66 notproduct(bool, PrintIRDuringConstruction, false, \ 67 "Print IR as it's being constructed (helpful for debugging frontend)")\ 68 \ 69 notproduct(bool, PrintPhiFunctions, false, \ 70 "Print phi functions when they are created and simplified") \ 71 \ 72 notproduct(bool, PrintIR, false, \ 73 "Print full intermediate representation after each change") \ 74 \ 75 notproduct(bool, PrintIR0, false, \ 76 "Print full intermediate representation after construction") \ 77 \ 78 notproduct(bool, PrintIR1, false, \ 79 "Print full intermediate representation after optimizations") \ 80 \ 81 notproduct(bool, PrintIR2, false, \ 82 "Print full intermediate representation before code generation") \ 83 \ 84 notproduct(bool, PrintSimpleStubs, false, \ 85 "Print SimpleStubs") \ 86 \ 87 /* C1 optimizations */ \ 88 \ 89 develop(bool, UseC1Optimizations, true, \ 90 "Turn on C1 optimizations") \ 91 \ 92 develop(bool, SelectivePhiFunctions, true, \ 93 "create phi functions at loop headers only when necessary") \ 94 \ 95 develop(bool, OptimizeIfOps, true, \ 96 "Optimize multiple IfOps") \ 97 \ 98 develop(bool, DoCEE, true, \ 99 "Do Conditional Expression Elimination to simplify CFG") \ 100 \ 101 develop(bool, PrintCEE, false, \ 102 "Print Conditional Expression Elimination") \ 103 \ 104 develop(bool, UseLocalValueNumbering, true, \ 105 "Use Local Value Numbering (embedded in GraphBuilder)") \ 106 \ 107 develop(bool, UseGlobalValueNumbering, true, \ 108 "Use Global Value Numbering (separate phase)") \ 109 \ 110 product(bool, UseLoopInvariantCodeMotion, true, \ 111 "Simple loop invariant code motion for short loops during GVN") \ 112 \ 113 develop(bool, TracePredicateFailedTraps, false, \ 114 "trace runtime traps caused by predicate failure") \ 115 \ 116 develop(bool, StressLoopInvariantCodeMotion, false, \ 117 "stress loop invariant code motion") \ 118 \ 119 develop(bool, TraceRangeCheckElimination, false, \ 120 "Trace Range Check Elimination") \ 121 \ 122 develop(bool, AssertRangeCheckElimination, false, \ 123 "Assert Range Check Elimination") \ 124 \ 125 develop(bool, StressRangeCheckElimination, false, \ 126 "stress Range Check Elimination") \ 127 \ 128 develop(bool, PrintValueNumbering, false, \ 129 "Print Value Numbering") \ 130 \ 131 product(intx, ValueMapInitialSize, 11, \ 132 "Initial size of a value map") \ 133 range(1, NOT_LP64(1*K) LP64_ONLY(32*K)) \ 134 \ 135 product(intx, ValueMapMaxLoopSize, 8, \ 136 "maximum size of a loop optimized by global value numbering") \ 137 range(0, 128) \ 138 \ 139 develop(bool, EliminateBlocks, true, \ 140 "Eliminate unneccessary basic blocks") \ 141 \ 142 develop(bool, PrintBlockElimination, false, \ 143 "Print basic block elimination") \ 144 \ 145 develop(bool, EliminateNullChecks, true, \ 146 "Eliminate unneccessary null checks") \ 147 \ 148 develop(bool, PrintNullCheckElimination, false, \ 149 "Print null check elimination") \ 150 \ 151 develop(bool, EliminateFieldAccess, true, \ 152 "Optimize field loads and stores") \ 153 \ 154 develop(bool, InlineMethodsWithExceptionHandlers, true, \ 155 "Inline methods containing exception handlers " \ 156 "(NOTE: does not work with current backend)") \ 157 \ 158 product(bool, InlineSynchronizedMethods, true, \ 159 "Inline synchronized methods") \ 160 \ 161 diagnostic(bool, InlineNIOCheckIndex, true, \ 162 "Intrinsify java.nio.Buffer.checkIndex") \ 163 \ 164 develop(bool, CanonicalizeNodes, true, \ 165 "Canonicalize graph nodes") \ 166 \ 167 develop(bool, PrintCanonicalization, false, \ 168 "Print graph node canonicalization") \ 169 \ 170 develop(bool, UseTableRanges, true, \ 171 "Faster versions of lookup table using ranges") \ 172 \ 173 develop_pd(bool, RoundFPResults, \ 174 "Indicates whether rounding is needed for floating point results")\ 175 \ 176 develop(intx, NestedInliningSizeRatio, 90, \ 177 "Percentage of prev. allowed inline size in recursive inlining") \ 178 range(0, 100) \ 179 \ 180 notproduct(bool, PrintIRWithLIR, false, \ 181 "Print IR instructions with generated LIR") \ 182 \ 183 notproduct(bool, PrintLIRWithAssembly, false, \ 184 "Show LIR instruction with generated assembly") \ 185 \ 186 develop(bool, CommentedAssembly, trueInDebug, \ 187 "Show extra info in PrintNMethods output") \ 188 \ 189 develop(bool, LIRTracePeephole, false, \ 190 "Trace peephole optimizer") \ 191 \ 192 develop(bool, LIRTraceExecution, false, \ 193 "add LIR code which logs the execution of blocks") \ 194 \ 195 product_pd(bool, LIRFillDelaySlots, \ 196 "fill delays on on SPARC with LIR") \ 197 \ 198 develop_pd(bool, CSEArrayLength, \ 199 "Create separate nodes for length in array accesses") \ 200 \ 201 develop_pd(bool, TwoOperandLIRForm, \ 202 "true if LIR requires src1 and dst to match in binary LIR ops") \ 203 \ 204 develop(intx, TraceLinearScanLevel, 0, \ 205 "Debug levels for the linear scan allocator") \ 206 range(0, 4) \ 207 \ 208 develop(bool, StressLinearScan, false, \ 209 "scramble block order used by LinearScan (stress test)") \ 210 \ 211 product(bool, TimeLinearScan, false, \ 212 "detailed timing of LinearScan phases") \ 213 \ 214 develop(bool, TimeEachLinearScan, false, \ 215 "print detailed timing of each LinearScan run") \ 216 \ 217 develop(bool, CountLinearScan, false, \ 218 "collect statistic counters during LinearScan") \ 219 \ 220 /* C1 variable */ \ 221 \ 222 develop(bool, C1Breakpoint, false, \ 223 "Sets a breakpoint at entry of each compiled method") \ 224 \ 225 develop(bool, ImplicitDiv0Checks, true, \ 226 "Use implicit division by zero checks") \ 227 \ 228 develop(bool, PinAllInstructions, false, \ 229 "All instructions are pinned") \ 230 \ 231 develop(bool, UseFastNewInstance, true, \ 232 "Use fast inlined instance allocation") \ 233 \ 234 develop(bool, UseFastNewTypeArray, true, \ 235 "Use fast inlined type array allocation") \ 236 \ 237 develop(bool, UseFastNewObjectArray, true, \ 238 "Use fast inlined object array allocation") \ 239 \ 240 develop(bool, UseFastLocking, true, \ 241 "Use fast inlined locking code") \ 242 \ 243 develop(bool, UseSlowPath, false, \ 244 "For debugging: test slow cases by always using them") \ 245 \ 246 develop(bool, GenerateArrayStoreCheck, true, \ 247 "Generates code for array store checks") \ 248 \ 249 develop(bool, DeoptC1, true, \ 250 "Use deoptimization in C1") \ 251 \ 252 develop(bool, PrintBailouts, false, \ 253 "Print bailout and its reason") \ 254 \ 255 develop(bool, TracePatching, false, \ 256 "Trace patching of field access on uninitialized classes") \ 257 \ 258 develop(bool, PatchALot, false, \ 259 "Marks all fields as having unloaded classes") \ 260 \ 261 develop(bool, PrintNotLoaded, false, \ 262 "Prints where classes are not loaded during code generation") \ 263 \ 264 develop(bool, PrintLIR, false, \ 265 "print low-level IR") \ 266 \ 267 develop(bool, BailoutAfterHIR, false, \ 268 "bailout of compilation after building of HIR") \ 269 \ 270 develop(bool, BailoutAfterLIR, false, \ 271 "bailout of compilation after building of LIR") \ 272 \ 273 develop(bool, BailoutOnExceptionHandlers, false, \ 274 "bailout of compilation for methods with exception handlers") \ 275 \ 276 develop(bool, InstallMethods, true, \ 277 "Install methods at the end of successful compilations") \ 278 \ 279 develop(intx, NMethodSizeLimit, (64*K)*wordSize, \ 280 "Maximum size of a compiled method.") \ 281 range(0, max_jint) \ 282 \ 283 develop(bool, TraceFPUStack, false, \ 284 "Trace emulation of the FPU stack (intel only)") \ 285 \ 286 develop(bool, TraceFPURegisterUsage, false, \ 287 "Trace usage of FPU registers at start of blocks (intel only)") \ 288 \ 289 develop(bool, OptimizeUnsafes, true, \ 290 "Optimize raw unsafe ops") \ 291 \ 292 develop(bool, PrintUnsafeOptimization, false, \ 293 "Print optimization of raw unsafe ops") \ 294 \ 295 develop(intx, InstructionCountCutoff, 37000, \ 296 "If GraphBuilder adds this many instructions, bails out") \ 297 range(0, max_jint) \ 298 \ 299 develop(bool, ComputeExactFPURegisterUsage, true, \ 300 "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \ 301 \ 302 product(bool, C1ProfileCalls, true, \ 303 "Profile calls when generating code for updating MDOs") \ 304 \ 305 product(bool, C1ProfileVirtualCalls, true, \ 306 "Profile virtual calls when generating code for updating MDOs") \ 307 \ 308 product(bool, C1ProfileInlinedCalls, true, \ 309 "Profile inlined calls when generating code for updating MDOs") \ 310 \ 311 product(bool, C1ProfileBranches, true, \ 312 "Profile branches when generating code for updating MDOs") \ 313 \ 314 product(bool, C1ProfileCheckcasts, true, \ 315 "Profile checkcasts when generating code for updating MDOs") \ 316 \ 317 product(bool, C1OptimizeVirtualCallProfiling, true, \ 318 "Use CHA and exact type results at call sites when updating MDOs")\ 319 \ 320 product(bool, C1UpdateMethodData, trueInTiered, \ 321 "Update MethodData*s in Tier1-generated code") \ 322 \ 323 develop(bool, PrintCFGToFile, false, \ 324 "print control flow graph to a separate file during compilation") \ 325 \ 326 327 #endif // SHARE_C1_C1_GLOBALS_HPP