1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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.
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   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
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  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
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  24 
  25 #ifndef SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
  26 #define SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 
  30 //
  31 // Defines all global flags used by the JVMCI compiler. Only flags that need
  32 // to be accessible to the JVMCI C++ code should be defined here. All other
  33 // JVMCI flags should be defined in JVMCIOptions.java.
  34 //
  35 #define JVMCI_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, range, constraint) \
  36                                                                             \
  37   experimental(bool, EnableJVMCI, false,                                    \
  38           "Enable JVMCI")                                                   \
  39                                                                             \
  40   experimental(bool, UseJVMCICompiler, false,                               \
  41           "Use JVMCI as the default compiler")                              \
  42           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  43                                                                             \
  44   experimental(bool, BootstrapJVMCI, false,                                 \
  45           "Bootstrap JVMCI before running Java main method")                \
  46           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  47                                                                             \
  48   experimental(bool, PrintBootstrap, true,                                  \
  49           "Print JVMCI bootstrap progress and summary")                     \
  50           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  51                                                                             \
  52   experimental(intx, JVMCIThreads, 1,                                       \
  53           "Force number of JVMCI compiler threads to use")                  \
  54           range(1, max_jint)                                                \
  55           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  56                                                                             \
  57   experimental(intx, JVMCIHostThreads, 1,                                   \
  58           "Force number of compiler threads for JVMCI host compiler")       \
  59           range(1, max_jint)                                                \
  60           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  61                                                                             \
  62   experimental(bool, CodeInstallSafepointChecks, true,                      \
  63           "Perform explicit safepoint checks while installing code")        \
  64           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  65                                                                             \
  66   NOT_COMPILER2(product(intx, MaxVectorSize, 64,                            \
  67           "Max vector size in bytes, "                                      \
  68           "actual size could be less depending on elements type"))          \
  69                                                                             \
  70   NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true,                 \
  71           "Defer write barriers of young objects"))                         \
  72                                                                             \
  73   experimental(intx, JVMCITraceLevel, 0,                                    \
  74           "Trace level for JVMCI: "                                         \
  75           "1 means emit a message for each CompilerToVM call,"              \
  76           "levels greater than 1 provide progressively greater detail")     \
  77           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  78                                                                             \
  79   experimental(intx, JVMCICounterSize, 0,                                   \
  80           "Reserved size for benchmark counters")                           \
  81           range(0, max_jint)                                                \
  82           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  83                                                                             \
  84   experimental(bool, JVMCICountersExcludeCompiler, true,                    \
  85           "Exclude JVMCI compiler threads from benchmark counters")         \
  86           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  87                                                                             \
  88   develop(bool, JVMCIUseFastLocking, true,                                  \
  89           "Use fast inlined locking code")                                  \
  90           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  91                                                                             \
  92   experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize,                \
  93           "Maximum size of a compiled method.")                             \
  94           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  95                                                                             \
  96   develop(bool, TraceUncollectedSpeculations, false,                        \
  97           "Print message when a failed speculation was not collected")      \
  98           constraint(EnableJVMCIMustBeEnabledConstraintFunc,AtParse)        \
  99 
 100 
 101 // Read default values for JVMCI globals
 102 
 103 JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
 104             DECLARE_PD_DEVELOPER_FLAG, \
 105             DECLARE_PRODUCT_FLAG, \
 106             DECLARE_PD_PRODUCT_FLAG, \
 107             DECLARE_DIAGNOSTIC_FLAG, \
 108             DECLARE_EXPERIMENTAL_FLAG, \
 109             DECLARE_NOTPRODUCT_FLAG, \
 110             IGNORE_RANGE, \
 111             IGNORE_CONSTRAINT)
 112 
 113 #endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP