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src/hotspot/cpu/x86/c2_globals_x86.hpp

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rev 54914 : 8223444: Improve CodeHeap Free Space Management
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  71 
  72 // Ergonomics related flags
  73 define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
  74 #endif // AMD64
  75 define_pd_global(intx, RegisterCostAreaRatio,        16000);
  76 
  77 // Peephole and CISC spilling both break the graph, and so makes the
  78 // scheduler sick.
  79 define_pd_global(bool, OptoPeephole,                 true);
  80 define_pd_global(bool, UseCISCSpill,                 true);
  81 define_pd_global(bool, OptoScheduling,               false);
  82 define_pd_global(bool, OptoBundling,                 false);
  83 define_pd_global(bool, OptoRegScheduling,            true);
  84 define_pd_global(bool, SuperWordLoopUnrollAnalysis,  true);
  85 define_pd_global(bool, IdealizeClearArrayNode,       true);
  86 
  87 define_pd_global(uintx, ReservedCodeCacheSize,       48*M);
  88 define_pd_global(uintx, NonProfiledCodeHeapSize,     21*M);
  89 define_pd_global(uintx, ProfiledCodeHeapSize,        22*M);
  90 define_pd_global(uintx, NonNMethodCodeHeapSize,      5*M );
  91 define_pd_global(uintx, CodeCacheMinBlockLength,     4);
  92 define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
  93 
  94 define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed on x86.
  95 
  96 // Heap related flags
  97 define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
  98 
  99 // Ergonomics related flags
 100 define_pd_global(bool, NeverActAsServerClassMachine, false);
 101 
 102 #endif // CPU_X86_C2_GLOBALS_X86_HPP


  71 
  72 // Ergonomics related flags
  73 define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
  74 #endif // AMD64
  75 define_pd_global(intx, RegisterCostAreaRatio,        16000);
  76 
  77 // Peephole and CISC spilling both break the graph, and so makes the
  78 // scheduler sick.
  79 define_pd_global(bool, OptoPeephole,                 true);
  80 define_pd_global(bool, UseCISCSpill,                 true);
  81 define_pd_global(bool, OptoScheduling,               false);
  82 define_pd_global(bool, OptoBundling,                 false);
  83 define_pd_global(bool, OptoRegScheduling,            true);
  84 define_pd_global(bool, SuperWordLoopUnrollAnalysis,  true);
  85 define_pd_global(bool, IdealizeClearArrayNode,       true);
  86 
  87 define_pd_global(uintx, ReservedCodeCacheSize,       48*M);
  88 define_pd_global(uintx, NonProfiledCodeHeapSize,     21*M);
  89 define_pd_global(uintx, ProfiledCodeHeapSize,        22*M);
  90 define_pd_global(uintx, NonNMethodCodeHeapSize,      5*M );
  91 define_pd_global(uintx, CodeCacheMinBlockLength,     6);
  92 define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
  93 
  94 define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed on x86.
  95 
  96 // Heap related flags
  97 define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
  98 
  99 // Ergonomics related flags
 100 define_pd_global(bool, NeverActAsServerClassMachine, false);
 101 
 102 #endif // CPU_X86_C2_GLOBALS_X86_HPP
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