Quelle c2_globals_ppc.hpp Sprache: C

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#ifndef CPU_PPC_C2_GLOBALS_PPC_HPP
#define CPU_PPC_C2_GLOBALS_PPC_HPP

#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"

// Sets the default values for platform dependent flags used by the server compiler.
// (see c2_globals.hpp).

define_pd_global(bool, BackgroundCompilation,        true);
define_pd_global(bool, CICompileOSR,                 true);
define_pd_global(bool, InlineIntrinsics,             true);
define_pd_global(bool, PreferInterpreterNativeStubs, false);
define_pd_global(bool, ProfileTraps,                 true);
define_pd_global(bool, UseOnStackReplacement,        true);
define_pd_global(bool, ProfileInterpreter,           true);
define_pd_global(bool, TieredCompilation,            COMPILER1_PRESENT(true) NOT_COMPILER1(false));
define_pd_global(intx, CompileThreshold,             10000);

define_pd_global(intx, OnStackReplacePercentage,     140);
define_pd_global(intx, ConditionalMoveLimit,         3);
define_pd_global(intx, FreqInlineSize,               175);
define_pd_global(intx, MinJumpTableSize,             10);
define_pd_global(intx, InteriorEntryAlignment,       16);
define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
define_pd_global(intx, RegisterCostAreaRatio,        16000);
define_pd_global(intx, LoopUnrollLimit,              60);
define_pd_global(intx, LoopPercentProfileLimit,      10);

// Peephole and CISC spilling both break the graph, and so make the
// scheduler sick.
define_pd_global(bool, OptoPeephole,                 false);
define_pd_global(bool, UseCISCSpill,                 false);
define_pd_global(bool, OptoBundling,                 false);
define_pd_global(bool, OptoRegScheduling,            false);
define_pd_global(bool, SuperWordLoopUnrollAnalysis,  true);
// GL:
// Detected a problem with unscaled compressed oops and
// narrow_oop_use_complex_address() == false.
// -Djava.io.tmpdir=./tmp -jar SPECjvm2008.jar -ikv -wt 3 -it 3
//   -bt 1 --base compiler.sunflow
// fails in Lower.visitIf->translate->tranlate->translate and
// throws an unexpected NPE. A load and a store seem to be
// reordered.  Java reads about:
//   loc = x.f
//   x.f = 0
//   NullCheck loc
// While assembler reads:
//   x.f = 0
//   loc = x.f
//   NullCheck loc
define_pd_global(bool,     OptoScheduling,               false);
define_pd_global(bool,     IdealizeClearArrayNode,       true);

define_pd_global(uintx,    InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(uintx,    ReservedCodeCacheSize,        48*M);
define_pd_global(uintx,    NonProfiledCodeHeapSize,      21*M);
define_pd_global(uintx,    ProfiledCodeHeapSize,         22*M);
define_pd_global(uintx,    NonNMethodCodeHeapSize,       5*M  );
define_pd_global(uintx,    CodeCacheExpansionSize,       64*K);

// Ergonomics related flags
define_pd_global(uint64_t, MaxRAM,                       128ULL*G);
define_pd_global(uintx,    CodeCacheMinBlockLength,      6);
define_pd_global(uintx,    CodeCacheMinimumUseSpace,     400*K);

define_pd_global(bool,     TrapBasedRangeChecks,          true);

// Ergonomics related flags
define_pd_global(bool,     NeverActAsServerClassMachine, false);

#endif // CPU_PPC_C2_GLOBALS_PPC_HPP

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