Concurrent class unloading
65 vm_exit_during_initialization("The flag -XX:+UseZGC can not be combined with -XX:ConcGCThreads=0");
66 }
67
68 #ifdef COMPILER2
69 // Enable loop strip mining by default
70 if (FLAG_IS_DEFAULT(UseCountedLoopSafepoints)) {
71 FLAG_SET_DEFAULT(UseCountedLoopSafepoints, true);
72 if (FLAG_IS_DEFAULT(LoopStripMiningIter)) {
73 FLAG_SET_DEFAULT(LoopStripMiningIter, 1000);
74 }
75 }
76 #endif
77
78 // To avoid asserts in set_active_workers()
79 FLAG_SET_DEFAULT(UseDynamicNumberOfGCThreads, true);
80
81 // CompressedOops/UseCompressedClassPointers not supported
82 FLAG_SET_DEFAULT(UseCompressedOops, false);
83 FLAG_SET_DEFAULT(UseCompressedClassPointers, false);
84
85 // ClassUnloading not (yet) supported
86 FLAG_SET_DEFAULT(ClassUnloading, false);
87 FLAG_SET_DEFAULT(ClassUnloadingWithConcurrentMark, false);
88
89 // Verification before startup and after exit not (yet) supported
90 FLAG_SET_DEFAULT(VerifyDuringStartup, false);
91 FLAG_SET_DEFAULT(VerifyBeforeExit, false);
92
93 // Verification before heap iteration not (yet) supported, for the
94 // same reason we need fixup_partial_loads
95 FLAG_SET_DEFAULT(VerifyBeforeIteration, false);
96
97 // Verification of stacks not (yet) supported, for the same reason
98 // we need fixup_partial_loads
99 DEBUG_ONLY(FLAG_SET_DEFAULT(VerifyStack, false));
100 }
101
102 CollectedHeap* ZArguments::create_heap() {
103 return create_heap_with_policy<ZCollectedHeap, ZCollectorPolicy>();
104 }
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65 vm_exit_during_initialization("The flag -XX:+UseZGC can not be combined with -XX:ConcGCThreads=0");
66 }
67
68 #ifdef COMPILER2
69 // Enable loop strip mining by default
70 if (FLAG_IS_DEFAULT(UseCountedLoopSafepoints)) {
71 FLAG_SET_DEFAULT(UseCountedLoopSafepoints, true);
72 if (FLAG_IS_DEFAULT(LoopStripMiningIter)) {
73 FLAG_SET_DEFAULT(LoopStripMiningIter, 1000);
74 }
75 }
76 #endif
77
78 // To avoid asserts in set_active_workers()
79 FLAG_SET_DEFAULT(UseDynamicNumberOfGCThreads, true);
80
81 // CompressedOops/UseCompressedClassPointers not supported
82 FLAG_SET_DEFAULT(UseCompressedOops, false);
83 FLAG_SET_DEFAULT(UseCompressedClassPointers, false);
84
85 // Verification before startup and after exit not (yet) supported
86 FLAG_SET_DEFAULT(VerifyDuringStartup, false);
87 FLAG_SET_DEFAULT(VerifyBeforeExit, false);
88
89 // Verification before heap iteration not (yet) supported, for the
90 // same reason we need fixup_partial_loads
91 FLAG_SET_DEFAULT(VerifyBeforeIteration, false);
92
93 // Verification of stacks not (yet) supported, for the same reason
94 // we need fixup_partial_loads
95 DEBUG_ONLY(FLAG_SET_DEFAULT(VerifyStack, false));
96 }
97
98 CollectedHeap* ZArguments::create_heap() {
99 return create_heap_with_policy<ZCollectedHeap, ZCollectorPolicy>();
100 }
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