8005811: Turn off TierdCompilation in JDK8 trunk for all platforms
Summary: Disable tiered compilation in jdk8 because of CodeCache and performance anomalies
Reviewed-by: kvn, twisti
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#ifndef CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
#define CPU_SPARC_VM_C2_GLOBALS_SPARC_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). Alpha-sorted.
define_pd_global(bool, BackgroundCompilation, true);
define_pd_global(bool, CICompileOSR, true);
define_pd_global(bool, InlineIntrinsics, false);
define_pd_global(bool, PreferInterpreterNativeStubs, false);
define_pd_global(bool, ProfileTraps, true);
define_pd_global(bool, UseOnStackReplacement, true);
#ifdef CC_INTERP
define_pd_global(bool, ProfileInterpreter, false);
#else
define_pd_global(bool, ProfileInterpreter, true);
#endif // CC_INTERP
define_pd_global(bool, TieredCompilation, false);
define_pd_global(intx, CompileThreshold, 10000);
define_pd_global(intx, BackEdgeThreshold, 140000);
define_pd_global(intx, OnStackReplacePercentage, 140);
define_pd_global(intx, ConditionalMoveLimit, 4);
define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to use all the float/double registers
define_pd_global(intx, FreqInlineSize, 175);
define_pd_global(intx, INTPRESSURE, 48); // large register set
define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment
define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
define_pd_global(intx, RegisterCostAreaRatio, 12000);
define_pd_global(bool, UseTLAB, true);
define_pd_global(bool, ResizeTLAB, true);
define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1
// Peephole and CISC spilling both break the graph, and so makes 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, OptoScheduling, true);
#ifdef _LP64
// We need to make sure that all generated code is within
// 2 gigs of the libjvm.so runtime routines so we can use
// the faster "call" instruction rather than the expensive
// sequence of instructions to load a 64 bit pointer.
//
// InitialCodeCacheSize derived from specjbb2000 run.
define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(intx, ReservedCodeCacheSize, 48*M);
define_pd_global(intx, CodeCacheExpansionSize, 64*K);
// Ergonomics related flags
define_pd_global(uint64_t,MaxRAM, 128ULL*G);
#else
// InitialCodeCacheSize derived from specjbb2000 run.
define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(intx, ReservedCodeCacheSize, 32*M);
define_pd_global(intx, CodeCacheExpansionSize, 32*K);
// Ergonomics related flags
define_pd_global(uint64_t,MaxRAM, 4ULL*G);
#endif
define_pd_global(uintx,CodeCacheMinBlockLength, 4);
// Heap related flags
define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(16*M));
// Ergonomics related flags
define_pd_global(bool, NeverActAsServerClassMachine, false);
#endif // CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP