JDK14/Java14源码在线阅读
/*
* Copyright (c) 2000, 2019, 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_C1_C1_GLOBALS_HPP
#define SHARE_C1_C1_GLOBALS_HPP
#include "runtime/globals_shared.hpp"
#include "utilities/macros.hpp"
#include CPU_HEADER(c1_globals)
#include OS_HEADER(c1_globals)
//
// Defines all global flags used by the client compiler.
//
#define C1_FLAGS(develop, \
develop_pd, \
product, \
product_pd, \
diagnostic, \
diagnostic_pd, \
notproduct, \
range, \
constraint, \
writeable) \
\
/* 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)") \
\
product(bool, UseLoopInvariantCodeMotion, true, \
"Simple loop invariant code motion for short loops during GVN") \
\
develop(bool, TracePredicateFailedTraps, false, \
"trace runtime traps caused by predicate failure") \
\
develop(bool, StressLoopInvariantCodeMotion, false, \
"stress loop invariant code motion") \
\
develop(bool, TraceRangeCheckElimination, false, \
"Trace Range Check Elimination") \
\
develop(bool, AssertRangeCheckElimination, false, \
"Assert Range Check Elimination") \
\
develop(bool, StressRangeCheckElimination, false, \
"stress Range Check Elimination") \
\
develop(bool, PrintValueNumbering, false, \
"Print Value Numbering") \
\
product(intx, ValueMapInitialSize, 11, \
"Initial size of a value map") \
range(1, NOT_LP64(1*K) LP64_ONLY(32*K)) \
\
product(intx, ValueMapMaxLoopSize, 8, \
"maximum size of a loop optimized by global value numbering") \
range(0, 128) \
\
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)") \
\
product(bool, InlineSynchronizedMethods, true, \
"Inline synchronized methods") \
\
diagnostic(bool, InlineNIOCheckIndex, true, \
"Intrinsify java.nio.Buffer.checkIndex") \
\
develop(bool, CanonicalizeNodes, true, \
"Canonicalize graph nodes") \
\
develop(bool, PrintCanonicalization, false, \
"Print graph node canonicalization") \
\
develop(bool, UseTableRanges, true, \
"Faster versions of lookup table using ranges") \
\
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") \
range(0, 100) \
\
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") \
range(0, 4) \
\
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, 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") \
\
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") \
\
develop(intx, NMethodSizeLimit, (64*K)*wordSize, \
"Maximum size of a compiled method.") \
range(0, max_jint) \
\
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, \
/**代码未完, 请加载全部代码(NowJava.com).**/
关注时代Java
关注时代Java