jvmci_globals.hpp revision 11729:19dd4534b4f6 
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.
33//
34#define JVMCI_FLAGS(develop, \
35                    develop_pd, \
36                    product, \
37                    product_pd, \
38                    diagnostic, \
39                    diagnostic_pd, \
40                    experimental, \
41                    notproduct, \
42                    range, \
43                    constraint, \
44                    writeable) \
45                                                                            \
46  experimental(bool, EnableJVMCI, false,                                    \
47          "Enable JVMCI")                                                   \
48                                                                            \
49  experimental(bool, UseJVMCICompiler, false,                               \
50          "Use JVMCI as the default compiler")                              \
51                                                                            \
52  experimental(bool, BootstrapJVMCI, false,                                 \
53          "Bootstrap JVMCI before running Java main method")                \
54                                                                            \
55  experimental(bool, PrintBootstrap, true,                                  \
56          "Print JVMCI bootstrap progress and summary")                     \
57                                                                            \
58  experimental(intx, JVMCIThreads, 1,                                       \
59          "Force number of JVMCI compiler threads to use")                  \
60          range(1, max_jint)                                                \
61                                                                            \
62  experimental(intx, JVMCIHostThreads, 1,                                   \
63          "Force number of compiler threads for JVMCI host compiler")       \
64          range(1, max_jint)                                                \
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                                                                            \
78  experimental(intx, JVMCICounterSize, 0,                                   \
79          "Reserved size for benchmark counters")                           \
80          range(0, max_jint)                                                \
81                                                                            \
82  experimental(bool, JVMCICountersExcludeCompiler, true,                    \
83          "Exclude JVMCI compiler threads from benchmark counters")         \
84                                                                            \
85  develop(bool, JVMCIUseFastLocking, true,                                  \
86          "Use fast inlined locking code")                                  \
87                                                                            \
88  experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize,                \
89          "Maximum size of a compiled method.")                             \
90                                                                            \
91  develop(bool, TraceUncollectedSpeculations, false,                        \
92          "Print message when a failed speculation was not collected")
93
94
95// Read default values for JVMCI globals
96
97JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
98            DECLARE_PD_DEVELOPER_FLAG, \
99            DECLARE_PRODUCT_FLAG, \
100            DECLARE_PD_PRODUCT_FLAG, \
101            DECLARE_DIAGNOSTIC_FLAG, \
102            DECLARE_PD_DIAGNOSTIC_FLAG, \
103            DECLARE_EXPERIMENTAL_FLAG, \
104            DECLARE_NOTPRODUCT_FLAG, \
105            IGNORE_RANGE, \
106            IGNORE_CONSTRAINT, \
107            IGNORE_WRITEABLE)
108
109class JVMCIGlobals {
110 public:
111  // Return true if jvmci flags are consistent. If not consistent,
112  // an error message describing the inconsistency is printed before
113  // returning false.
114  static bool check_jvmci_flags_are_consistent();
115};
116#endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
117