src/hotspot/share/c1/c1_globals.hpp
changeset 47216 71c04702a3d5
parent 40010 e32d5e545789
child 53244 9807daeb47c4
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 /*
       
     2  * Copyright (c) 2000, 2016, 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_VM_C1_C1_GLOBALS_HPP
       
    26 #define SHARE_VM_C1_C1_GLOBALS_HPP
       
    27 
       
    28 #include "runtime/globals.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                  writeable) \
       
    47                                                                             \
       
    48   /* Printing */                                                            \
       
    49   notproduct(bool, PrintC1Statistics, false,                                \
       
    50           "Print Compiler1 statistics" )                                    \
       
    51                                                                             \
       
    52   notproduct(bool, PrintInitialBlockList, false,                            \
       
    53           "Print block list of BlockListBuilder")                           \
       
    54                                                                             \
       
    55   notproduct(bool, PrintCFG, false,                                         \
       
    56           "Print control flow graph after each change")                     \
       
    57                                                                             \
       
    58   notproduct(bool, PrintCFG0, false,                                        \
       
    59           "Print control flow graph after construction")                    \
       
    60                                                                             \
       
    61   notproduct(bool, PrintCFG1, false,                                        \
       
    62           "Print control flow graph after optimizations")                   \
       
    63                                                                             \
       
    64   notproduct(bool, PrintCFG2, false,                                        \
       
    65           "Print control flow graph before code generation")                \
       
    66                                                                             \
       
    67   notproduct(bool, PrintIRDuringConstruction, false,                        \
       
    68           "Print IR as it's being constructed (helpful for debugging frontend)")\
       
    69                                                                             \
       
    70   notproduct(bool, PrintPhiFunctions, false,                                \
       
    71           "Print phi functions when they are created and simplified")       \
       
    72                                                                             \
       
    73   notproduct(bool, PrintIR, false,                                          \
       
    74           "Print full intermediate representation after each change")       \
       
    75                                                                             \
       
    76   notproduct(bool, PrintIR0, false,                                         \
       
    77           "Print full intermediate representation after construction")      \
       
    78                                                                             \
       
    79   notproduct(bool, PrintIR1, false,                                         \
       
    80           "Print full intermediate representation after optimizations")     \
       
    81                                                                             \
       
    82   notproduct(bool, PrintIR2, false,                                         \
       
    83           "Print full intermediate representation before code generation")  \
       
    84                                                                             \
       
    85   notproduct(bool, PrintSimpleStubs, false,                                 \
       
    86           "Print SimpleStubs")                                              \
       
    87                                                                             \
       
    88   /* C1 optimizations */                                                    \
       
    89                                                                             \
       
    90   develop(bool, UseC1Optimizations, true,                                   \
       
    91           "Turn on C1 optimizations")                                       \
       
    92                                                                             \
       
    93   develop(bool, SelectivePhiFunctions, true,                                \
       
    94           "create phi functions at loop headers only when necessary")       \
       
    95                                                                             \
       
    96   develop(bool, OptimizeIfOps, true,                                        \
       
    97           "Optimize multiple IfOps")                                        \
       
    98                                                                             \
       
    99   develop(bool, DoCEE, true,                                                \
       
   100           "Do Conditional Expression Elimination to simplify CFG")          \
       
   101                                                                             \
       
   102   develop(bool, PrintCEE, false,                                            \
       
   103           "Print Conditional Expression Elimination")                       \
       
   104                                                                             \
       
   105   develop(bool, UseLocalValueNumbering, true,                               \
       
   106           "Use Local Value Numbering (embedded in GraphBuilder)")           \
       
   107                                                                             \
       
   108   develop(bool, UseGlobalValueNumbering, true,                              \
       
   109           "Use Global Value Numbering (separate phase)")                    \
       
   110                                                                             \
       
   111   product(bool, UseLoopInvariantCodeMotion, true,                           \
       
   112           "Simple loop invariant code motion for short loops during GVN")   \
       
   113                                                                             \
       
   114   develop(bool, TracePredicateFailedTraps, false,                           \
       
   115           "trace runtime traps caused by predicate failure")                \
       
   116                                                                             \
       
   117   develop(bool, StressLoopInvariantCodeMotion, false,                       \
       
   118           "stress loop invariant code motion")                              \
       
   119                                                                             \
       
   120   develop(bool, TraceRangeCheckElimination, false,                          \
       
   121           "Trace Range Check Elimination")                                  \
       
   122                                                                             \
       
   123   develop(bool, AssertRangeCheckElimination, false,                         \
       
   124           "Assert Range Check Elimination")                                 \
       
   125                                                                             \
       
   126   develop(bool, StressRangeCheckElimination, false,                         \
       
   127           "stress Range Check Elimination")                                 \
       
   128                                                                             \
       
   129   develop(bool, PrintValueNumbering, false,                                 \
       
   130           "Print Value Numbering")                                          \
       
   131                                                                             \
       
   132   product(intx, ValueMapInitialSize, 11,                                    \
       
   133           "Initial size of a value map")                                    \
       
   134           range(1, NOT_LP64(1*K) LP64_ONLY(32*K))                           \
       
   135                                                                             \
       
   136   product(intx, ValueMapMaxLoopSize, 8,                                     \
       
   137           "maximum size of a loop optimized by global value numbering")     \
       
   138           range(0, 128)                                                     \
       
   139                                                                             \
       
   140   develop(bool, EliminateBlocks, true,                                      \
       
   141           "Eliminate unneccessary basic blocks")                            \
       
   142                                                                             \
       
   143   develop(bool, PrintBlockElimination, false,                               \
       
   144           "Print basic block elimination")                                  \
       
   145                                                                             \
       
   146   develop(bool, EliminateNullChecks, true,                                  \
       
   147           "Eliminate unneccessary null checks")                             \
       
   148                                                                             \
       
   149   develop(bool, PrintNullCheckElimination, false,                           \
       
   150           "Print null check elimination")                                   \
       
   151                                                                             \
       
   152   develop(bool, EliminateFieldAccess, true,                                 \
       
   153           "Optimize field loads and stores")                                \
       
   154                                                                             \
       
   155   develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
       
   156           "Inline methods containing exception handlers "                   \
       
   157           "(NOTE: does not work with current backend)")                     \
       
   158                                                                             \
       
   159   product(bool, InlineSynchronizedMethods, true,                            \
       
   160           "Inline synchronized methods")                                    \
       
   161                                                                             \
       
   162   diagnostic(bool, InlineNIOCheckIndex, true,                               \
       
   163           "Intrinsify java.nio.Buffer.checkIndex")                          \
       
   164                                                                             \
       
   165   develop(bool, CanonicalizeNodes, true,                                    \
       
   166           "Canonicalize graph nodes")                                       \
       
   167                                                                             \
       
   168   develop(bool, PrintCanonicalization, false,                               \
       
   169           "Print graph node canonicalization")                              \
       
   170                                                                             \
       
   171   develop(bool, UseTableRanges, true,                                       \
       
   172           "Faster versions of lookup table using ranges")                   \
       
   173                                                                             \
       
   174   develop_pd(bool, RoundFPResults,                                          \
       
   175           "Indicates whether rounding is needed for floating point results")\
       
   176                                                                             \
       
   177   develop(intx, NestedInliningSizeRatio, 90,                                \
       
   178           "Percentage of prev. allowed inline size in recursive inlining")  \
       
   179           range(0, 100)                                                     \
       
   180                                                                             \
       
   181   notproduct(bool, PrintIRWithLIR, false,                                   \
       
   182           "Print IR instructions with generated LIR")                       \
       
   183                                                                             \
       
   184   notproduct(bool, PrintLIRWithAssembly, false,                             \
       
   185           "Show LIR instruction with generated assembly")                   \
       
   186                                                                             \
       
   187   develop(bool, CommentedAssembly, trueInDebug,                             \
       
   188           "Show extra info in PrintNMethods output")                        \
       
   189                                                                             \
       
   190   develop(bool, LIRTracePeephole, false,                                    \
       
   191           "Trace peephole optimizer")                                       \
       
   192                                                                             \
       
   193   develop(bool, LIRTraceExecution, false,                                   \
       
   194           "add LIR code which logs the execution of blocks")                \
       
   195                                                                             \
       
   196   product_pd(bool, LIRFillDelaySlots,                                       \
       
   197              "fill delays on on SPARC with LIR")                            \
       
   198                                                                             \
       
   199   develop_pd(bool, CSEArrayLength,                                          \
       
   200           "Create separate nodes for length in array accesses")             \
       
   201                                                                             \
       
   202   develop_pd(bool, TwoOperandLIRForm,                                       \
       
   203           "true if LIR requires src1 and dst to match in binary LIR ops")   \
       
   204                                                                             \
       
   205   develop(intx, TraceLinearScanLevel, 0,                                    \
       
   206           "Debug levels for the linear scan allocator")                     \
       
   207           range(0, 4)                                                       \
       
   208                                                                             \
       
   209   develop(bool, StressLinearScan, false,                                    \
       
   210           "scramble block order used by LinearScan (stress test)")          \
       
   211                                                                             \
       
   212   product(bool, TimeLinearScan, false,                                      \
       
   213           "detailed timing of LinearScan phases")                           \
       
   214                                                                             \
       
   215   develop(bool, TimeEachLinearScan, false,                                  \
       
   216           "print detailed timing of each LinearScan run")                   \
       
   217                                                                             \
       
   218   develop(bool, CountLinearScan, false,                                     \
       
   219           "collect statistic counters during LinearScan")                   \
       
   220                                                                             \
       
   221   /* C1 variable */                                                         \
       
   222                                                                             \
       
   223   develop(bool, C1Breakpoint, false,                                        \
       
   224           "Sets a breakpoint at entry of each compiled method")             \
       
   225                                                                             \
       
   226   develop(bool, ImplicitDiv0Checks, true,                                   \
       
   227           "Use implicit division by zero checks")                           \
       
   228                                                                             \
       
   229   develop(bool, PinAllInstructions, false,                                  \
       
   230           "All instructions are pinned")                                    \
       
   231                                                                             \
       
   232   develop(bool, UseFastNewInstance, true,                                   \
       
   233           "Use fast inlined instance allocation")                           \
       
   234                                                                             \
       
   235   develop(bool, UseFastNewTypeArray, true,                                  \
       
   236           "Use fast inlined type array allocation")                         \
       
   237                                                                             \
       
   238   develop(bool, UseFastNewObjectArray, true,                                \
       
   239           "Use fast inlined object array allocation")                       \
       
   240                                                                             \
       
   241   develop(bool, UseFastLocking, true,                                       \
       
   242           "Use fast inlined locking code")                                  \
       
   243                                                                             \
       
   244   develop(bool, UseSlowPath, false,                                         \
       
   245           "For debugging: test slow cases by always using them")            \
       
   246                                                                             \
       
   247   develop(bool, GenerateArrayStoreCheck, true,                              \
       
   248           "Generates code for array store checks")                          \
       
   249                                                                             \
       
   250   develop(bool, DeoptC1, true,                                              \
       
   251           "Use deoptimization in C1")                                       \
       
   252                                                                             \
       
   253   develop(bool, PrintBailouts, false,                                       \
       
   254           "Print bailout and its reason")                                   \
       
   255                                                                             \
       
   256   develop(bool, TracePatching, false,                                       \
       
   257          "Trace patching of field access on uninitialized classes")         \
       
   258                                                                             \
       
   259   develop(bool, PatchALot, false,                                           \
       
   260           "Marks all fields as having unloaded classes")                    \
       
   261                                                                             \
       
   262   develop(bool, PrintNotLoaded, false,                                      \
       
   263           "Prints where classes are not loaded during code generation")     \
       
   264                                                                             \
       
   265   develop(bool, PrintLIR, false,                                            \
       
   266           "print low-level IR")                                             \
       
   267                                                                             \
       
   268   develop(bool, BailoutAfterHIR, false,                                     \
       
   269           "bailout of compilation after building of HIR")                   \
       
   270                                                                             \
       
   271   develop(bool, BailoutAfterLIR, false,                                     \
       
   272           "bailout of compilation after building of LIR")                   \
       
   273                                                                             \
       
   274   develop(bool, BailoutOnExceptionHandlers, false,                          \
       
   275           "bailout of compilation for methods with exception handlers")     \
       
   276                                                                             \
       
   277   develop(bool, InstallMethods, true,                                       \
       
   278           "Install methods at the end of successful compilations")          \
       
   279                                                                             \
       
   280   develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
       
   281           "Maximum size of a compiled method.")                             \
       
   282           range(0, max_jint)                                                \
       
   283                                                                             \
       
   284   develop(bool, TraceFPUStack, false,                                       \
       
   285           "Trace emulation of the FPU stack (intel only)")                  \
       
   286                                                                             \
       
   287   develop(bool, TraceFPURegisterUsage, false,                               \
       
   288           "Trace usage of FPU registers at start of blocks (intel only)")   \
       
   289                                                                             \
       
   290   develop(bool, OptimizeUnsafes, true,                                      \
       
   291           "Optimize raw unsafe ops")                                        \
       
   292                                                                             \
       
   293   develop(bool, PrintUnsafeOptimization, false,                             \
       
   294           "Print optimization of raw unsafe ops")                           \
       
   295                                                                             \
       
   296   develop(intx, InstructionCountCutoff, 37000,                              \
       
   297           "If GraphBuilder adds this many instructions, bails out")         \
       
   298           range(0, max_jint)                                                \
       
   299                                                                             \
       
   300   develop(bool, ComputeExactFPURegisterUsage, true,                         \
       
   301           "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
       
   302                                                                             \
       
   303   product(bool, C1ProfileCalls, true,                                       \
       
   304           "Profile calls when generating code for updating MDOs")           \
       
   305                                                                             \
       
   306   product(bool, C1ProfileVirtualCalls, true,                                \
       
   307           "Profile virtual calls when generating code for updating MDOs")   \
       
   308                                                                             \
       
   309   product(bool, C1ProfileInlinedCalls, true,                                \
       
   310           "Profile inlined calls when generating code for updating MDOs")   \
       
   311                                                                             \
       
   312   product(bool, C1ProfileBranches, true,                                    \
       
   313           "Profile branches when generating code for updating MDOs")        \
       
   314                                                                             \
       
   315   product(bool, C1ProfileCheckcasts, true,                                  \
       
   316           "Profile checkcasts when generating code for updating MDOs")      \
       
   317                                                                             \
       
   318   product(bool, C1OptimizeVirtualCallProfiling, true,                       \
       
   319           "Use CHA and exact type results at call sites when updating MDOs")\
       
   320                                                                             \
       
   321   product(bool, C1UpdateMethodData, trueInTiered,                           \
       
   322           "Update MethodData*s in Tier1-generated code")                    \
       
   323                                                                             \
       
   324   develop(bool, PrintCFGToFile, false,                                      \
       
   325           "print control flow graph to a separate file during compilation") \
       
   326                                                                             \
       
   327 // Read default values for c1 globals
       
   328 
       
   329 C1_FLAGS(DECLARE_DEVELOPER_FLAG, \
       
   330          DECLARE_PD_DEVELOPER_FLAG, \
       
   331          DECLARE_PRODUCT_FLAG, \
       
   332          DECLARE_PD_PRODUCT_FLAG, \
       
   333          DECLARE_DIAGNOSTIC_FLAG, \
       
   334          DECLARE_PD_DIAGNOSTIC_FLAG, \
       
   335          DECLARE_NOTPRODUCT_FLAG, \
       
   336          IGNORE_RANGE, \
       
   337          IGNORE_CONSTRAINT, \
       
   338          IGNORE_WRITEABLE)
       
   339 
       
   340 #endif // SHARE_VM_C1_C1_GLOBALS_HPP