1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
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  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).
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  24 
  25 #ifndef CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
  26 #define CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
  27 
  28 #include "utilities/globalDefinitions.hpp"
  29 #include "utilities/macros.hpp"
  30 
  31 // Sets the default values for platform dependent flags used by the server compiler.
  32 // (see c2_globals.hpp).  Alpha-sorted.
  33 
  34 define_pd_global(bool, BackgroundCompilation,        true);
  35 define_pd_global(bool, CICompileOSR,                 true);
  36 define_pd_global(bool, InlineIntrinsics,             false);
  37 define_pd_global(bool, PreferInterpreterNativeStubs, false);
  38 define_pd_global(bool, ProfileTraps,                 true);
  39 define_pd_global(bool, UseOnStackReplacement,        true);
  40 #ifdef CC_INTERP
  41 define_pd_global(bool, ProfileInterpreter,           false);
  42 #else
  43 define_pd_global(bool, ProfileInterpreter,           true);
  44 #endif // CC_INTERP
  45 define_pd_global(bool, TieredCompilation,            trueInTiered);
  46 define_pd_global(intx, CompileThreshold,             10000);
  47 
  48 define_pd_global(intx, OnStackReplacePercentage,     140);
  49 define_pd_global(intx, ConditionalMoveLimit,         4);
  50 define_pd_global(intx, FLOATPRESSURE,                52);  // C2 on V9 gets to use all the float/double registers
  51 define_pd_global(intx, FreqInlineSize,               175);
  52 define_pd_global(intx, INTPRESSURE,                  48);  // large register set
  53 define_pd_global(intx, InteriorEntryAlignment,       16);  // = CodeEntryAlignment
  54 define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
  55 define_pd_global(intx, RegisterCostAreaRatio,        12000);
  56 define_pd_global(bool, UseTLAB,                      true);
  57 define_pd_global(bool, ResizeTLAB,                   true);
  58 define_pd_global(intx, LoopUnrollLimit,              60); // Design center runs on 1.3.1
  59 define_pd_global(intx, MinJumpTableSize,             5);
  60 
  61 // Peephole and CISC spilling both break the graph, and so makes the
  62 // scheduler sick.
  63 define_pd_global(bool, OptoPeephole,                 false);
  64 define_pd_global(bool, UseCISCSpill,                 false);
  65 define_pd_global(bool, OptoBundling,                 false);
  66 define_pd_global(bool, OptoScheduling,               true);
  67 define_pd_global(bool, OptoRegScheduling,            false);
  68 
  69 #ifdef _LP64
  70 // We need to make sure that all generated code is within
  71 // 2 gigs of the libjvm.so runtime routines so we can use
  72 // the faster "call" instruction rather than the expensive
  73 // sequence of instructions to load a 64 bit pointer.
  74 //
  75 // InitialCodeCacheSize derived from specjbb2000 run.
  76 define_pd_global(intx, InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
  77 define_pd_global(intx, ReservedCodeCacheSize,        48*M);
  78 define_pd_global(intx, NonProfiledCodeHeapSize,      21*M);
  79 define_pd_global(intx, ProfiledCodeHeapSize,         22*M);
  80 define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
  81 define_pd_global(intx, CodeCacheExpansionSize,       64*K);
  82 
  83 // Ergonomics related flags
  84 define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
  85 #else
  86 // InitialCodeCacheSize derived from specjbb2000 run.
  87 define_pd_global(intx, InitialCodeCacheSize,         1536*K); // Integral multiple of CodeCacheExpansionSize
  88 define_pd_global(intx, ReservedCodeCacheSize,        32*M);
  89 define_pd_global(intx, NonProfiledCodeHeapSize,      13*M);
  90 define_pd_global(intx, ProfiledCodeHeapSize,         14*M);
  91 define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
  92 define_pd_global(intx, CodeCacheExpansionSize,       32*K);
  93 // Ergonomics related flags
  94 define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
  95 #endif
  96 define_pd_global(uintx, CodeCacheMinBlockLength,     4);
  97 define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
  98 
  99 define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed on sparc.
 100 
 101 // Heap related flags
 102 define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
 103 
 104 // Ergonomics related flags
 105 define_pd_global(bool, NeverActAsServerClassMachine, false);
 106 
 107 #endif // CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP