/* * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_C1_C1_GLOBALS_HPP #define SHARE_VM_C1_C1_GLOBALS_HPP #include "runtime/globals.hpp" #ifdef TARGET_ARCH_x86 # include "c1_globals_x86.hpp" #endif #ifdef TARGET_ARCH_sparc # include "c1_globals_sparc.hpp" #endif #ifdef TARGET_OS_FAMILY_linux # include "c1_globals_linux.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "c1_globals_solaris.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "c1_globals_windows.hpp" #endif // // Defines all global flags used by the client compiler. // #define C1_FLAGS(develop, develop_pd, product, product_pd, notproduct) \ \ /* Printing */ \ notproduct(bool, PrintC1Statistics, false, \ "Print Compiler1 statistics" ) \ \ notproduct(bool, PrintInitialBlockList, false, \ "Print block list of BlockListBuilder") \ \ notproduct(bool, PrintCFG, false, \ "Print control flow graph after each change") \ \ notproduct(bool, PrintCFG0, false, \ "Print control flow graph after construction") \ \ notproduct(bool, PrintCFG1, false, \ "Print control flow graph after optimizations") \ \ notproduct(bool, PrintCFG2, false, \ "Print control flow graph before code generation") \ \ notproduct(bool, PrintIRDuringConstruction, false, \ "Print IR as it's being constructed (helpful for debugging frontend)")\ \ notproduct(bool, PrintPhiFunctions, false, \ "Print phi functions when they are created and simplified") \ \ notproduct(bool, PrintIR, false, \ "Print full intermediate representation after each change") \ \ notproduct(bool, PrintIR0, false, \ "Print full intermediate representation after construction") \ \ notproduct(bool, PrintIR1, false, \ "Print full intermediate representation after optimizations") \ \ notproduct(bool, PrintIR2, false, \ "Print full intermediate representation before code generation") \ \ notproduct(bool, PrintSimpleStubs, false, \ "Print SimpleStubs") \ \ /* C1 optimizations */ \ \ develop(bool, UseC1Optimizations, true, \ "Turn on C1 optimizations") \ \ develop(bool, SelectivePhiFunctions, true, \ "create phi functions at loop headers only when necessary") \ \ develop(bool, OptimizeIfOps, true, \ "Optimize multiple IfOps") \ \ develop(bool, DoCEE, true, \ "Do Conditional Expression Elimination to simplify CFG") \ \ develop(bool, PrintCEE, false, \ "Print Conditional Expression Elimination") \ \ develop(bool, UseLocalValueNumbering, true, \ "Use Local Value Numbering (embedded in GraphBuilder)") \ \ develop(bool, UseGlobalValueNumbering, true, \ "Use Global Value Numbering (separate phase)") \ \ develop(bool, PrintValueNumbering, false, \ "Print Value Numbering") \ \ product(intx, ValueMapInitialSize, 11, \ "Initial size of a value map") \ \ product(intx, ValueMapMaxLoopSize, 8, \ "maximum size of a loop optimized by global value numbering") \ \ develop(bool, EliminateBlocks, true, \ "Eliminate unneccessary basic blocks") \ \ develop(bool, PrintBlockElimination, false, \ "Print basic block elimination") \ \ develop(bool, EliminateNullChecks, true, \ "Eliminate unneccessary null checks") \ \ develop(bool, PrintNullCheckElimination, false, \ "Print null check elimination") \ \ develop(bool, EliminateFieldAccess, true, \ "Optimize field loads and stores") \ \ develop(bool, InlineMethodsWithExceptionHandlers, true, \ "Inline methods containing exception handlers " \ "(NOTE: does not work with current backend)") \ \ develop(bool, InlineSynchronizedMethods, true, \ "Inline synchronized methods") \ \ develop(bool, InlineNIOCheckIndex, true, \ "Intrinsify java.nio.Buffer.checkIndex") \ \ develop(bool, CanonicalizeNodes, true, \ "Canonicalize graph nodes") \ \ develop(bool, CanonicalizeExperimental, false, \ "Canonicalize graph nodes, experimental code") \ \ develop(bool, PrintCanonicalization, false, \ "Print graph node canonicalization") \ \ develop(bool, UseTableRanges, true, \ "Faster versions of lookup table using ranges") \ \ develop(bool, UseFastExceptionHandling, true, \ "Faster handling of exceptions") \ \ develop_pd(bool, RoundFPResults, \ "Indicates whether rounding is needed for floating point results")\ \ develop(intx, NestedInliningSizeRatio, 90, \ "Percentage of prev. allowed inline size in recursive inlining") \ \ notproduct(bool, PrintIRWithLIR, false, \ "Print IR instructions with generated LIR") \ \ notproduct(bool, PrintLIRWithAssembly, false, \ "Show LIR instruction with generated assembly") \ \ develop(bool, CommentedAssembly, trueInDebug, \ "Show extra info in PrintNMethods output") \ \ develop(bool, LIRTracePeephole, false, \ "Trace peephole optimizer") \ \ develop(bool, LIRTraceExecution, false, \ "add LIR code which logs the execution of blocks") \ \ product_pd(bool, LIRFillDelaySlots, \ "fill delays on on SPARC with LIR") \ \ develop_pd(bool, CSEArrayLength, \ "Create separate nodes for length in array accesses") \ \ develop_pd(bool, TwoOperandLIRForm, \ "true if LIR requires src1 and dst to match in binary LIR ops") \ \ develop(intx, TraceLinearScanLevel, 0, \ "Debug levels for the linear scan allocator") \ \ develop(bool, StressLinearScan, false, \ "scramble block order used by LinearScan (stress test)") \ \ product(bool, TimeLinearScan, false, \ "detailed timing of LinearScan phases") \ \ develop(bool, TimeEachLinearScan, false, \ "print detailed timing of each LinearScan run") \ \ develop(bool, CountLinearScan, false, \ "collect statistic counters during LinearScan") \ \ /* C1 variable */ \ \ develop(bool, C1Breakpoint, false, \ "Sets a breakpoint at entry of each compiled method") \ \ develop(bool, ImplicitDiv0Checks, true, \ "Use implicit division by zero checks") \ \ develop(bool, PinAllInstructions, false, \ "All instructions are pinned") \ \ develop(bool, ValueStackPinStackAll, true, \ "Pinning in ValueStack pin everything") \ \ develop(bool, UseFastNewInstance, true, \ "Use fast inlined instance allocation") \ \ develop(bool, UseFastNewTypeArray, true, \ "Use fast inlined type array allocation") \ \ develop(bool, UseFastNewObjectArray, true, \ "Use fast inlined object array allocation") \ \ develop(bool, UseFastLocking, true, \ "Use fast inlined locking code") \ \ develop(bool, UseSlowPath, false, \ "For debugging: test slow cases by always using them") \ \ develop(bool, GenerateArrayStoreCheck, true, \ "Generates code for array store checks") \ \ develop(bool, DeoptC1, true, \ "Use deoptimization in C1") \ \ develop(bool, PrintBailouts, false, \ "Print bailout and its reason") \ \ develop(bool, TracePatching, false, \ "Trace patching of field access on uninitialized classes") \ \ develop(bool, PatchALot, false, \ "Marks all fields as having unloaded classes") \ \ develop(bool, PrintNotLoaded, false, \ "Prints where classes are not loaded during code generation") \ \ notproduct(bool, VerifyOopMaps, false, \ "Adds oopmap verification code to the generated code") \ \ develop(bool, PrintLIR, false, \ "print low-level IR") \ \ develop(bool, BailoutAfterHIR, false, \ "bailout of compilation after building of HIR") \ \ develop(bool, BailoutAfterLIR, false, \ "bailout of compilation after building of LIR") \ \ develop(bool, BailoutOnExceptionHandlers, false, \ "bailout of compilation for methods with exception handlers") \ \ develop(bool, InstallMethods, true, \ "Install methods at the end of successful compilations") \ \ product(intx, CompilationRepeat, 0, \ "Number of times to recompile method before returning result") \ \ develop(intx, NMethodSizeLimit, (32*K)*wordSize, \ "Maximum size of a compiled method.") \ \ develop(bool, TraceFPUStack, false, \ "Trace emulation of the FPU stack (intel only)") \ \ develop(bool, TraceFPURegisterUsage, false, \ "Trace usage of FPU registers at start of blocks (intel only)") \ \ develop(bool, OptimizeUnsafes, true, \ "Optimize raw unsafe ops") \ \ develop(bool, PrintUnsafeOptimization, false, \ "Print optimization of raw unsafe ops") \ \ develop(intx, InstructionCountCutoff, 37000, \ "If GraphBuilder adds this many instructions, bails out") \ \ product_pd(intx, SafepointPollOffset, \ "Offset added to polling address (Intel only)") \ \ develop(bool, ComputeExactFPURegisterUsage, true, \ "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \ \ product(bool, C1ProfileCalls, true, \ "Profile calls when generating code for updating MDOs") \ \ product(bool, C1ProfileVirtualCalls, true, \ "Profile virtual calls when generating code for updating MDOs") \ \ product(bool, C1ProfileInlinedCalls, true, \ "Profile inlined calls when generating code for updating MDOs") \ \ product(bool, C1ProfileBranches, true, \ "Profile branches when generating code for updating MDOs") \ \ product(bool, C1ProfileCheckcasts, true, \ "Profile checkcasts when generating code for updating MDOs") \ \ product(bool, C1OptimizeVirtualCallProfiling, true, \ "Use CHA and exact type results at call sites when updating MDOs")\ \ product(bool, C1UpdateMethodData, trueInTiered, \ "Update methodDataOops in Tier1-generated code") \ \ develop(bool, PrintCFGToFile, false, \ "print control flow graph to a separate file during compilation") \ \ // Read default values for c1 globals C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_NOTPRODUCT_FLAG) #endif // SHARE_VM_C1_C1_GLOBALS_HPP