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                                                                             \
  43   experimental(bool, BootstrapJVMCI, false,                                 \
  44           "Bootstrap JVMCI before running Java main method")                \
  45                                                                             \
  46   experimental(bool, PrintBootstrap, true,                                  \
  47           "Print JVMCI bootstrap progress and summary")                     \
  48                                                                             \
  49   experimental(intx, JVMCIThreads, 1,                                       \
  50           "Force number of JVMCI compiler threads to use")                  \
  51           range(1, max_jint)                                                \
  52                                                                             \
  53   experimental(intx, JVMCIHostThreads, 1,                                   \
  54           "Force number of compiler threads for JVMCI host compiler")       \
  55           range(1, max_jint)                                                \
  56                                                                             \
  57   experimental(bool, CodeInstallSafepointChecks, true,                      \
  58           "Perform explicit safepoint checks while installing code")        \
  59                                                                             \
  60   NOT_COMPILER2(product(intx, MaxVectorSize, 64,                            \
  61           "Max vector size in bytes, "                                      \
  62           "actual size could be less depending on elements type"))          \
  63                                                                             \
  64   NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true,                 \
  65           "Defer write barriers of young objects"))                         \
  66                                                                             \
  67   experimental(intx, JVMCITraceLevel, 0,                                    \
  68           "Trace level for JVMCI: "                                         \
  69           "1 means emit a message for each CompilerToVM call,"              \
  70           "levels greater than 1 provide progressively greater detail")     \
  71                                                                             \
  72   experimental(intx, JVMCICounterSize, 0,                                   \
  73           "Reserved size for benchmark counters")                           \
  74           range(0, max_jint)                                                \
  75                                                                             \
  76   experimental(bool, JVMCICountersExcludeCompiler, true,                    \
  77           "Exclude JVMCI compiler threads from benchmark counters")         \
  78                                                                             \
  79   develop(bool, JVMCIUseFastLocking, true,                                  \
  80           "Use fast inlined locking code")                                  \
  81                                                                             \
  82   experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize,                \
  83           "Maximum size of a compiled method.")                             \
  84                                                                             \
  85   develop(bool, TraceUncollectedSpeculations, false,                        \
  86           "Print message when a failed speculation was not collected")      
  87 
  88 
  89 // Read default values for JVMCI globals
  90 
  91 JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
  92             DECLARE_PD_DEVELOPER_FLAG, \
  93             DECLARE_PRODUCT_FLAG, \
  94             DECLARE_PD_PRODUCT_FLAG, \
  95             DECLARE_DIAGNOSTIC_FLAG, \
  96             DECLARE_EXPERIMENTAL_FLAG, \
  97             DECLARE_NOTPRODUCT_FLAG, \
  98             IGNORE_RANGE, \
  99             IGNORE_CONSTRAINT)
 100 // Check if any jvmci global defaults changed.
 101 bool is_any_jvmci_arg_values_changed();
 102 // Print jvmci args inconsistency error message.
 103 void print_jvmci_arg_inconsistency_error_message();
 104 #endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP