src/share/vm/c1/c1_globals.hpp

Thu, 24 May 2018 18:41:44 +0800

author
aoqi
date
Thu, 24 May 2018 18:41:44 +0800
changeset 8856
ac27a9c85bea
parent 7535
7ae4e26cb1e0
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 2000, 2013, 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  */
    25 /*
    26  * This file has been modified by Loongson Technology in 2015. These
    27  * modifications are Copyright (c) 2015 Loongson Technology, and are made
    28  * available on the same license terms set forth above.
    29  */
    31 #ifndef SHARE_VM_C1_C1_GLOBALS_HPP
    32 #define SHARE_VM_C1_C1_GLOBALS_HPP
    34 #include "runtime/globals.hpp"
    35 #ifdef TARGET_ARCH_x86
    36 # include "c1_globals_x86.hpp"
    37 #endif
    38 #ifdef TARGET_ARCH_mips
    39 # include "c1_globals_mips.hpp"
    40 #endif
    41 #ifdef TARGET_ARCH_sparc
    42 # include "c1_globals_sparc.hpp"
    43 #endif
    44 #ifdef TARGET_ARCH_arm
    45 # include "c1_globals_arm.hpp"
    46 #endif
    47 #ifdef TARGET_ARCH_ppc
    48 # include "c1_globals_ppc.hpp"
    49 #endif
    50 #ifdef TARGET_OS_FAMILY_linux
    51 # include "c1_globals_linux.hpp"
    52 #endif
    53 #ifdef TARGET_OS_FAMILY_solaris
    54 # include "c1_globals_solaris.hpp"
    55 #endif
    56 #ifdef TARGET_OS_FAMILY_windows
    57 # include "c1_globals_windows.hpp"
    58 #endif
    59 #ifdef TARGET_OS_FAMILY_aix
    60 # include "c1_globals_aix.hpp"
    61 #endif
    62 #ifdef TARGET_OS_FAMILY_bsd
    63 # include "c1_globals_bsd.hpp"
    64 #endif
    66 //
    67 // Defines all global flags used by the client compiler.
    68 //
    69 #define C1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
    70                                                                             \
    71   /* Printing */                                                            \
    72   notproduct(bool, PrintC1Statistics, false,                                \
    73           "Print Compiler1 statistics" )                                    \
    74                                                                             \
    75   notproduct(bool, PrintInitialBlockList, false,                            \
    76           "Print block list of BlockListBuilder")                           \
    77                                                                             \
    78   notproduct(bool, PrintCFG, false,                                         \
    79           "Print control flow graph after each change")                     \
    80                                                                             \
    81   notproduct(bool, PrintCFG0, false,                                        \
    82           "Print control flow graph after construction")                    \
    83                                                                             \
    84   notproduct(bool, PrintCFG1, false,                                        \
    85           "Print control flow graph after optimizations")                   \
    86                                                                             \
    87   notproduct(bool, PrintCFG2, false,                                        \
    88           "Print control flow graph before code generation")                \
    89                                                                             \
    90   notproduct(bool, PrintIRDuringConstruction, false,                        \
    91           "Print IR as it's being constructed (helpful for debugging frontend)")\
    92                                                                             \
    93   notproduct(bool, PrintPhiFunctions, false,                                \
    94           "Print phi functions when they are created and simplified")       \
    95                                                                             \
    96   notproduct(bool, PrintIR, false,                                          \
    97           "Print full intermediate representation after each change")       \
    98                                                                             \
    99   notproduct(bool, PrintIR0, false,                                         \
   100           "Print full intermediate representation after construction")      \
   101                                                                             \
   102   notproduct(bool, PrintIR1, false,                                         \
   103           "Print full intermediate representation after optimizations")     \
   104                                                                             \
   105   notproduct(bool, PrintIR2, false,                                         \
   106           "Print full intermediate representation before code generation")  \
   107                                                                             \
   108   notproduct(bool, PrintSimpleStubs, false,                                 \
   109           "Print SimpleStubs")                                              \
   110                                                                             \
   111   /* C1 optimizations */                                                    \
   112                                                                             \
   113   develop(bool, UseC1Optimizations, true,                                   \
   114           "Turn on C1 optimizations")                                       \
   115                                                                             \
   116   develop(bool, SelectivePhiFunctions, true,                                \
   117           "create phi functions at loop headers only when necessary")       \
   118                                                                             \
   119   develop(bool, OptimizeIfOps, true,                                        \
   120           "Optimize multiple IfOps")                                        \
   121                                                                             \
   122   develop(bool, DoCEE, true,                                                \
   123           "Do Conditional Expression Elimination to simplify CFG")          \
   124                                                                             \
   125   develop(bool, PrintCEE, false,                                            \
   126           "Print Conditional Expression Elimination")                       \
   127                                                                             \
   128   develop(bool, UseLocalValueNumbering, true,                               \
   129           "Use Local Value Numbering (embedded in GraphBuilder)")           \
   130                                                                             \
   131   develop(bool, UseGlobalValueNumbering, true,                              \
   132           "Use Global Value Numbering (separate phase)")                    \
   133                                                                             \
   134   product(bool, UseLoopInvariantCodeMotion, true,                           \
   135           "Simple loop invariant code motion for short loops during GVN")   \
   136                                                                             \
   137   develop(bool, TracePredicateFailedTraps, false,                           \
   138           "trace runtime traps caused by predicate failure")                \
   139                                                                             \
   140   develop(bool, StressLoopInvariantCodeMotion, false,                       \
   141           "stress loop invariant code motion")                              \
   142                                                                             \
   143   develop(bool, TraceRangeCheckElimination, false,                          \
   144           "Trace Range Check Elimination")                                  \
   145                                                                             \
   146   develop(bool, AssertRangeCheckElimination, false,                         \
   147           "Assert Range Check Elimination")                                 \
   148                                                                             \
   149   develop(bool, StressRangeCheckElimination, false,                         \
   150           "stress Range Check Elimination")                                 \
   151                                                                             \
   152   develop(bool, PrintValueNumbering, false,                                 \
   153           "Print Value Numbering")                                          \
   154                                                                             \
   155   product(intx, ValueMapInitialSize, 11,                                    \
   156           "Initial size of a value map")                                    \
   157                                                                             \
   158   product(intx, ValueMapMaxLoopSize, 8,                                     \
   159           "maximum size of a loop optimized by global value numbering")     \
   160                                                                             \
   161   develop(bool, EliminateBlocks, true,                                      \
   162           "Eliminate unneccessary basic blocks")                            \
   163                                                                             \
   164   develop(bool, PrintBlockElimination, false,                               \
   165           "Print basic block elimination")                                  \
   166                                                                             \
   167   develop(bool, EliminateNullChecks, true,                                  \
   168           "Eliminate unneccessary null checks")                             \
   169                                                                             \
   170   develop(bool, PrintNullCheckElimination, false,                           \
   171           "Print null check elimination")                                   \
   172                                                                             \
   173   develop(bool, EliminateFieldAccess, true,                                 \
   174           "Optimize field loads and stores")                                \
   175                                                                             \
   176   develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
   177           "Inline methods containing exception handlers "                   \
   178           "(NOTE: does not work with current backend)")                     \
   179                                                                             \
   180   product(bool, InlineSynchronizedMethods, true,                            \
   181           "Inline synchronized methods")                                    \
   182                                                                             \
   183   develop(bool, InlineNIOCheckIndex, true,                                  \
   184           "Intrinsify java.nio.Buffer.checkIndex")                          \
   185                                                                             \
   186   develop(bool, CanonicalizeNodes, true,                                    \
   187           "Canonicalize graph nodes")                                       \
   188                                                                             \
   189   develop(bool, PrintCanonicalization, false,                               \
   190           "Print graph node canonicalization")                              \
   191                                                                             \
   192   develop(bool, UseTableRanges, true,                                       \
   193           "Faster versions of lookup table using ranges")                   \
   194                                                                             \
   195   develop_pd(bool, RoundFPResults,                                          \
   196           "Indicates whether rounding is needed for floating point results")\
   197                                                                             \
   198   develop(intx, NestedInliningSizeRatio, 90,                                \
   199           "Percentage of prev. allowed inline size in recursive inlining")  \
   200                                                                             \
   201   notproduct(bool, PrintIRWithLIR, false,                                   \
   202           "Print IR instructions with generated LIR")                       \
   203                                                                             \
   204   notproduct(bool, PrintLIRWithAssembly, false,                             \
   205           "Show LIR instruction with generated assembly")                   \
   206                                                                             \
   207   develop(bool, CommentedAssembly, trueInDebug,                             \
   208           "Show extra info in PrintNMethods output")                        \
   209                                                                             \
   210   develop(bool, LIRTracePeephole, false,                                    \
   211           "Trace peephole optimizer")                                       \
   212                                                                             \
   213   develop(bool, LIRTraceExecution, false,                                   \
   214           "add LIR code which logs the execution of blocks")                \
   215                                                                             \
   216   product_pd(bool, LIRFillDelaySlots,                                       \
   217              "fill delays on on SPARC with LIR")                            \
   218                                                                             \
   219   develop_pd(bool, CSEArrayLength,                                          \
   220           "Create separate nodes for length in array accesses")             \
   221                                                                             \
   222   develop_pd(bool, TwoOperandLIRForm,                                       \
   223           "true if LIR requires src1 and dst to match in binary LIR ops")   \
   224                                                                             \
   225   develop(intx, TraceLinearScanLevel, 0,                                    \
   226           "Debug levels for the linear scan allocator")                     \
   227                                                                             \
   228   develop(bool, StressLinearScan, false,                                    \
   229           "scramble block order used by LinearScan (stress test)")          \
   230                                                                             \
   231   product(bool, TimeLinearScan, false,                                      \
   232           "detailed timing of LinearScan phases")                           \
   233                                                                             \
   234   develop(bool, TimeEachLinearScan, false,                                  \
   235           "print detailed timing of each LinearScan run")                   \
   236                                                                             \
   237   develop(bool, CountLinearScan, false,                                     \
   238           "collect statistic counters during LinearScan")                   \
   239                                                                             \
   240   /* C1 variable */                                                         \
   241                                                                             \
   242   develop(bool, C1Breakpoint, false,                                        \
   243           "Sets a breakpoint at entry of each compiled method")             \
   244                                                                             \
   245   develop(bool, ImplicitDiv0Checks, true,                                   \
   246           "Use implicit division by zero checks")                           \
   247                                                                             \
   248   develop(bool, PinAllInstructions, false,                                  \
   249           "All instructions are pinned")                                    \
   250                                                                             \
   251   develop(bool, UseFastNewInstance, true,                                   \
   252           "Use fast inlined instance allocation")                           \
   253                                                                             \
   254   develop(bool, UseFastNewTypeArray, true,                                  \
   255           "Use fast inlined type array allocation")                         \
   256                                                                             \
   257   develop(bool, UseFastNewObjectArray, true,                                \
   258           "Use fast inlined object array allocation")                       \
   259                                                                             \
   260   develop(bool, UseFastLocking, true,                                       \
   261           "Use fast inlined locking code")                                  \
   262                                                                             \
   263   develop(bool, UseSlowPath, false,                                         \
   264           "For debugging: test slow cases by always using them")            \
   265                                                                             \
   266   develop(bool, GenerateArrayStoreCheck, true,                              \
   267           "Generates code for array store checks")                          \
   268                                                                             \
   269   develop(bool, DeoptC1, true,                                              \
   270           "Use deoptimization in C1")                                       \
   271                                                                             \
   272   develop(bool, PrintBailouts, false,                                       \
   273           "Print bailout and its reason")                                   \
   274                                                                             \
   275   develop(bool, TracePatching, false,                                       \
   276          "Trace patching of field access on uninitialized classes")         \
   277                                                                             \
   278   develop(bool, PatchALot, false,                                           \
   279           "Marks all fields as having unloaded classes")                    \
   280                                                                             \
   281   develop(bool, PrintNotLoaded, false,                                      \
   282           "Prints where classes are not loaded during code generation")     \
   283                                                                             \
   284   develop(bool, PrintLIR, false,                                            \
   285           "print low-level IR")                                             \
   286                                                                             \
   287   develop(bool, BailoutAfterHIR, false,                                     \
   288           "bailout of compilation after building of HIR")                   \
   289                                                                             \
   290   develop(bool, BailoutAfterLIR, false,                                     \
   291           "bailout of compilation after building of LIR")                   \
   292                                                                             \
   293   develop(bool, BailoutOnExceptionHandlers, false,                          \
   294           "bailout of compilation for methods with exception handlers")     \
   295                                                                             \
   296   develop(bool, InstallMethods, true,                                       \
   297           "Install methods at the end of successful compilations")          \
   298                                                                             \
   299   develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
   300           "Maximum size of a compiled method.")                             \
   301                                                                             \
   302   develop(bool, TraceFPUStack, false,                                       \
   303           "Trace emulation of the FPU stack (intel only)")                  \
   304                                                                             \
   305   develop(bool, TraceFPURegisterUsage, false,                               \
   306           "Trace usage of FPU registers at start of blocks (intel only)")   \
   307                                                                             \
   308   develop(bool, OptimizeUnsafes, true,                                      \
   309           "Optimize raw unsafe ops")                                        \
   310                                                                             \
   311   develop(bool, PrintUnsafeOptimization, false,                             \
   312           "Print optimization of raw unsafe ops")                           \
   313                                                                             \
   314   develop(intx, InstructionCountCutoff, 37000,                              \
   315           "If GraphBuilder adds this many instructions, bails out")         \
   316                                                                             \
   317   product_pd(intx, SafepointPollOffset,                                     \
   318           "Offset added to polling address (Intel only)")                   \
   319                                                                             \
   320   develop(bool, ComputeExactFPURegisterUsage, true,                         \
   321           "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
   322                                                                             \
   323   product(bool, C1ProfileCalls, true,                                       \
   324           "Profile calls when generating code for updating MDOs")           \
   325                                                                             \
   326   product(bool, C1ProfileVirtualCalls, true,                                \
   327           "Profile virtual calls when generating code for updating MDOs")   \
   328                                                                             \
   329   product(bool, C1ProfileInlinedCalls, true,                                \
   330           "Profile inlined calls when generating code for updating MDOs")   \
   331                                                                             \
   332   product(bool, C1ProfileBranches, true,                                    \
   333           "Profile branches when generating code for updating MDOs")        \
   334                                                                             \
   335   product(bool, C1ProfileCheckcasts, true,                                  \
   336           "Profile checkcasts when generating code for updating MDOs")      \
   337                                                                             \
   338   product(bool, C1OptimizeVirtualCallProfiling, true,                       \
   339           "Use CHA and exact type results at call sites when updating MDOs")\
   340                                                                             \
   341   product(bool, C1UpdateMethodData, trueInTiered,                           \
   342           "Update MethodData*s in Tier1-generated code")                    \
   343                                                                             \
   344   develop(bool, PrintCFGToFile, false,                                      \
   345           "print control flow graph to a separate file during compilation") \
   346                                                                             \
   347   diagnostic(bool, C1PatchInvokeDynamic, true,                              \
   348              "Patch invokedynamic appendix not known at compile time")      \
   349                                                                             \
   352 // Read default values for c1 globals
   354 C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)
   356 #endif // SHARE_VM_C1_C1_GLOBALS_HPP

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