CoCalc -- c1_globals.hpp

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Path: blob/aarch64-shenandoah-jdk8u272-b10/hotspot/src/share/vm/c1/c1_globals.hpp
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/*
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 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_C1_C1_GLOBALS_HPP
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#define SHARE_VM_C1_C1_GLOBALS_HPP
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#include "runtime/globals.hpp"
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#ifdef TARGET_ARCH_x86
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# include "c1_globals_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_aarch32
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# include "c1_globals_aarch32.hpp"
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#endif
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#ifdef TARGET_ARCH_aarch64
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# include "c1_globals_aarch64.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "c1_globals_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "c1_globals_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "c1_globals_ppc.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_linux
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# include "c1_globals_linux.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "c1_globals_solaris.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "c1_globals_windows.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_aix
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# include "c1_globals_aix.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "c1_globals_bsd.hpp"
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#endif
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//
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// Defines all global flags used by the client compiler.
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//
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#define C1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
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                                                                            \
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  /* Printing */                                                            \
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  notproduct(bool, PrintC1Statistics, false,                                \
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          "Print Compiler1 statistics" )                                    \
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                                                                            \
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  notproduct(bool, PrintInitialBlockList, false,                            \
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          "Print block list of BlockListBuilder")                           \
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                                                                            \
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  notproduct(bool, PrintCFG, false,                                         \
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          "Print control flow graph after each change")                     \
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                                                                            \
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  notproduct(bool, PrintCFG0, false,                                        \
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          "Print control flow graph after construction")                    \
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                                                                            \
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  notproduct(bool, PrintCFG1, false,                                        \
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          "Print control flow graph after optimizations")                   \
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                                                                            \
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  notproduct(bool, PrintCFG2, false,                                        \
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          "Print control flow graph before code generation")                \
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                                                                            \
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  notproduct(bool, PrintIRDuringConstruction, false,                        \
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          "Print IR as it's being constructed (helpful for debugging frontend)")\
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                                                                            \
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  notproduct(bool, PrintPhiFunctions, false,                                \
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          "Print phi functions when they are created and simplified")       \
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                                                                            \
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  notproduct(bool, PrintIR, false,                                          \
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          "Print full intermediate representation after each change")       \
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                                                                            \
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  notproduct(bool, PrintIR0, false,                                         \
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          "Print full intermediate representation after construction")      \
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                                                                            \
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  notproduct(bool, PrintIR1, false,                                         \
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          "Print full intermediate representation after optimizations")     \
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                                                                            \
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  notproduct(bool, PrintIR2, false,                                         \
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          "Print full intermediate representation before code generation")  \
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                                                                            \
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  notproduct(bool, PrintSimpleStubs, false,                                 \
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          "Print SimpleStubs")                                              \
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                                                                            \
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  /* C1 optimizations */                                                    \
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                                                                            \
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  develop(bool, UseC1Optimizations, true,                                   \
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          "Turn on C1 optimizations")                                       \
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                                                                            \
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  develop(bool, SelectivePhiFunctions, true,                                \
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          "create phi functions at loop headers only when necessary")       \
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                                                                            \
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  develop(bool, OptimizeIfOps, true,                                        \
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          "Optimize multiple IfOps")                                        \
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                                                                            \
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  develop(bool, DoCEE, true,                                                \
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          "Do Conditional Expression Elimination to simplify CFG")          \
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                                                                            \
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  develop(bool, PrintCEE, false,                                            \
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          "Print Conditional Expression Elimination")                       \
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                                                                            \
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  develop(bool, UseLocalValueNumbering, true,                               \
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          "Use Local Value Numbering (embedded in GraphBuilder)")           \
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                                                                            \
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  develop(bool, UseGlobalValueNumbering, true,                              \
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          "Use Global Value Numbering (separate phase)")                    \
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                                                                            \
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  product(bool, UseLoopInvariantCodeMotion, true,                           \
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          "Simple loop invariant code motion for short loops during GVN")   \
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                                                                            \
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  develop(bool, TracePredicateFailedTraps, false,                           \
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          "trace runtime traps caused by predicate failure")                \
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                                                                            \
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  develop(bool, StressLoopInvariantCodeMotion, false,                       \
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          "stress loop invariant code motion")                              \
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                                                                            \
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  develop(bool, TraceRangeCheckElimination, false,                          \
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          "Trace Range Check Elimination")                                  \
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                                                                            \
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  develop(bool, AssertRangeCheckElimination, false,                         \
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          "Assert Range Check Elimination")                                 \
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                                                                            \
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  develop(bool, StressRangeCheckElimination, false,                         \
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          "stress Range Check Elimination")                                 \
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                                                                            \
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  develop(bool, PrintValueNumbering, false,                                 \
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          "Print Value Numbering")                                          \
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                                                                            \
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  product(intx, ValueMapInitialSize, 11,                                    \
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          "Initial size of a value map")                                    \
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                                                                            \
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  product(intx, ValueMapMaxLoopSize, 8,                                     \
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          "maximum size of a loop optimized by global value numbering")     \
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                                                                            \
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  develop(bool, EliminateBlocks, true,                                      \
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          "Eliminate unneccessary basic blocks")                            \
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                                                                            \
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  develop(bool, PrintBlockElimination, false,                               \
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          "Print basic block elimination")                                  \
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                                                                            \
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  develop(bool, EliminateNullChecks, true,                                  \
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          "Eliminate unneccessary null checks")                             \
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                                                                            \
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  develop(bool, PrintNullCheckElimination, false,                           \
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          "Print null check elimination")                                   \
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                                                                            \
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  develop(bool, EliminateFieldAccess, true,                                 \
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          "Optimize field loads and stores")                                \
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                                                                            \
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  develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
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          "Inline methods containing exception handlers "                   \
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          "(NOTE: does not work with current backend)")                     \
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                                                                            \
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  product(bool, InlineSynchronizedMethods, true,                            \
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          "Inline synchronized methods")                                    \
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                                                                            \
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  develop(bool, InlineNIOCheckIndex, true,                                  \
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          "Intrinsify java.nio.Buffer.checkIndex")                          \
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                                                                            \
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  develop(bool, CanonicalizeNodes, true,                                    \
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          "Canonicalize graph nodes")                                       \
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                                                                            \
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  develop(bool, PrintCanonicalization, false,                               \
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          "Print graph node canonicalization")                              \
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                                                                            \
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  develop(bool, UseTableRanges, true,                                       \
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          "Faster versions of lookup table using ranges")                   \
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                                                                            \
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  develop_pd(bool, RoundFPResults,                                          \
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          "Indicates whether rounding is needed for floating point results")\
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                                                                            \
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  develop(intx, NestedInliningSizeRatio, 90,                                \
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          "Percentage of prev. allowed inline size in recursive inlining")  \
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                                                                            \
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  notproduct(bool, PrintIRWithLIR, false,                                   \
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          "Print IR instructions with generated LIR")                       \
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                                                                            \
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  notproduct(bool, PrintLIRWithAssembly, false,                             \
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          "Show LIR instruction with generated assembly")                   \
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                                                                            \
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  develop(bool, CommentedAssembly, trueInDebug,                             \
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          "Show extra info in PrintNMethods output")                        \
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                                                                            \
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  develop(bool, LIRTracePeephole, false,                                    \
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          "Trace peephole optimizer")                                       \
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                                                                            \
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  develop(bool, LIRTraceExecution, false,                                   \
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          "add LIR code which logs the execution of blocks")                \
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                                                                            \
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  product_pd(bool, LIRFillDelaySlots,                                       \
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             "fill delays on on SPARC with LIR")                            \
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                                                                            \
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  develop_pd(bool, CSEArrayLength,                                          \
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          "Create separate nodes for length in array accesses")             \
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                                                                            \
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  develop_pd(bool, TwoOperandLIRForm,                                       \
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          "true if LIR requires src1 and dst to match in binary LIR ops")   \
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                                                                            \
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  develop(intx, TraceLinearScanLevel, 0,                                    \
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          "Debug levels for the linear scan allocator")                     \
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                                                                            \
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  develop(bool, StressLinearScan, false,                                    \
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          "scramble block order used by LinearScan (stress test)")          \
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                                                                            \
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  product(bool, TimeLinearScan, false,                                      \
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          "detailed timing of LinearScan phases")                           \
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                                                                            \
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  develop(bool, TimeEachLinearScan, false,                                  \
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          "print detailed timing of each LinearScan run")                   \
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                                                                            \
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  develop(bool, CountLinearScan, false,                                     \
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          "collect statistic counters during LinearScan")                   \
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                                                                            \
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  /* C1 variable */                                                         \
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                                                                            \
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  develop(bool, C1Breakpoint, false,                                        \
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          "Sets a breakpoint at entry of each compiled method")             \
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                                                                            \
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  develop(bool, ImplicitDiv0Checks, true,                                   \
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          "Use implicit division by zero checks")                           \
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                                                                            \
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  develop(bool, PinAllInstructions, false,                                  \
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          "All instructions are pinned")                                    \
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                                                                            \
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  develop(bool, UseFastNewInstance, true,                                   \
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          "Use fast inlined instance allocation")                           \
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                                                                            \
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  develop(bool, UseFastNewTypeArray, true,                                  \
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          "Use fast inlined type array allocation")                         \
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                                                                            \
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  develop(bool, UseFastNewObjectArray, true,                                \
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          "Use fast inlined object array allocation")                       \
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                                                                            \
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  develop(bool, UseFastLocking, true,                                       \
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          "Use fast inlined locking code")                                  \
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                                                                            \
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  develop(bool, UseSlowPath, false,                                         \
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          "For debugging: test slow cases by always using them")            \
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                                                                            \
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  develop(bool, GenerateArrayStoreCheck, true,                              \
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          "Generates code for array store checks")                          \
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                                                                            \
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  develop(bool, DeoptC1, true,                                              \
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          "Use deoptimization in C1")                                       \
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                                                                            \
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  develop(bool, PrintBailouts, false,                                       \
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          "Print bailout and its reason")                                   \
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                                                                            \
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  develop(bool, TracePatching, false,                                       \
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         "Trace patching of field access on uninitialized classes")         \
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                                                                            \
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  develop(bool, PatchALot, false,                                           \
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          "Marks all fields as having unloaded classes")                    \
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                                                                            \
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  develop(bool, PrintNotLoaded, false,                                      \
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          "Prints where classes are not loaded during code generation")     \
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                                                                            \
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  develop(bool, PrintLIR, false,                                            \
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          "print low-level IR")                                             \
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                                                                            \
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  develop(bool, BailoutAfterHIR, false,                                     \
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          "bailout of compilation after building of HIR")                   \
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                                                                            \
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  develop(bool, BailoutAfterLIR, false,                                     \
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          "bailout of compilation after building of LIR")                   \
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                                                                            \
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  develop(bool, BailoutOnExceptionHandlers, false,                          \
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          "bailout of compilation for methods with exception handlers")     \
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                                                                            \
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  develop(bool, InstallMethods, true,                                       \
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          "Install methods at the end of successful compilations")          \
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                                                                            \
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  develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
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          "Maximum size of a compiled method.")                             \
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                                                                            \
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  develop(bool, TraceFPUStack, false,                                       \
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          "Trace emulation of the FPU stack (intel only)")                  \
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                                                                            \
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  develop(bool, TraceFPURegisterUsage, false,                               \
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          "Trace usage of FPU registers at start of blocks (intel only)")   \
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                                                                            \
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  develop(bool, OptimizeUnsafes, true,                                      \
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          "Optimize raw unsafe ops")                                        \
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                                                                            \
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  develop(bool, PrintUnsafeOptimization, false,                             \
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          "Print optimization of raw unsafe ops")                           \
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                                                                            \
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  develop(intx, InstructionCountCutoff, 37000,                              \
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          "If GraphBuilder adds this many instructions, bails out")         \
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                                                                            \
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  product_pd(intx, SafepointPollOffset,                                     \
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          "Offset added to polling address (Intel only)")                   \
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                                                                            \
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  develop(bool, ComputeExactFPURegisterUsage, true,                         \
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          "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
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                                                                            \
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  product(bool, C1ProfileCalls, true,                                       \
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          "Profile calls when generating code for updating MDOs")           \
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                                                                            \
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  product(bool, C1ProfileVirtualCalls, true,                                \
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          "Profile virtual calls when generating code for updating MDOs")   \
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                                                                            \
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  product(bool, C1ProfileInlinedCalls, true,                                \
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          "Profile inlined calls when generating code for updating MDOs")   \
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                                                                            \
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  product(bool, C1ProfileBranches, true,                                    \
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          "Profile branches when generating code for updating MDOs")        \
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                                                                            \
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  product(bool, C1ProfileCheckcasts, true,                                  \
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          "Profile checkcasts when generating code for updating MDOs")      \
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                                                                            \
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  product(bool, C1OptimizeVirtualCallProfiling, true,                       \
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          "Use CHA and exact type results at call sites when updating MDOs")\
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                                                                            \
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  product(bool, C1UpdateMethodData, trueInTiered,                           \
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          "Update MethodData*s in Tier1-generated code")                    \
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                                                                            \
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  develop(bool, PrintCFGToFile, false,                                      \
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          "print control flow graph to a separate file during compilation") \
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                                                                            \
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  diagnostic(bool, C1PatchInvokeDynamic, true,                              \
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             "Patch invokedynamic appendix not known at compile time")      \
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                                                                            \
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// Read default values for c1 globals
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C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)
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#endif // SHARE_VM_C1_C1_GLOBALS_HPP
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