jvmci_globals.hpp revision 10325:94f78e8d4d83 
1/*
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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
91JVMCI_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
101class JVMCIGlobals {
102 public:
103  // Return true if jvmci flags are consistent.
104  static bool check_jvmci_flags_are_consistent();
105  // Print jvmci arguments inconsistency error message.
106  static void print_jvmci_args_inconsistency_error_message();
107};
108#endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
109