/* * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_ARM_C2_GLOBALS_ARM_HPP #define CPU_ARM_C2_GLOBALS_ARM_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); define_pd_global(bool, ProfileInterpreter, true); define_pd_global(bool, TieredCompilation, false); define_pd_global(intx, CompileThreshold, 10000); define_pd_global(intx, OnStackReplacePercentage, 140); define_pd_global(intx, ConditionalMoveLimit, 4); // C2 gets to use all the float/double registers define_pd_global(intx, FLOATPRESSURE, 30); define_pd_global(intx, FreqInlineSize, 175); define_pd_global(intx, INTPRESSURE, 12); define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K)); // The default setting 16/16 seems to work best. // (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.) //define_pd_global(intx, OptoLoopAlignment, 16); // = 4*wordSize define_pd_global(intx, RegisterCostAreaRatio, 16000); 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 define_pd_global(intx, LoopPercentProfileLimit, 10); define_pd_global(intx, MinJumpTableSize, 16); // 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); define_pd_global(bool, OptoRegScheduling, false); define_pd_global(bool, SuperWordLoopUnrollAnalysis, false); define_pd_global(bool, IdealizeClearArrayNode, 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(size_t, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize define_pd_global(size_t, ReservedCodeCacheSize, 48*M); define_pd_global(size_t, NonProfiledCodeHeapSize, 21*M); define_pd_global(size_t, ProfiledCodeHeapSize, 22*M); define_pd_global(size_t, NonNMethodCodeHeapSize, 5*M ); define_pd_global(size_t, CodeCacheExpansionSize, 64*K); // Ergonomics related flags define_pd_global(uint64_t, MaxRAM, 128ULL*G); #else // InitialCodeCacheSize derived from specjbb2000 run. define_pd_global(size_t, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize define_pd_global(size_t, ReservedCodeCacheSize, 32*M); define_pd_global(size_t, NonProfiledCodeHeapSize, 13*M); define_pd_global(size_t, ProfiledCodeHeapSize, 14*M); define_pd_global(size_t, NonNMethodCodeHeapSize, 5*M ); define_pd_global(size_t, CodeCacheExpansionSize, 32*K); // Ergonomics related flags define_pd_global(uint64_t, MaxRAM, 4ULL*G); #endif define_pd_global(uintx, CodeCacheMinBlockLength, 6); define_pd_global(size_t, CodeCacheMinimumUseSpace, 400*K); define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed // Heap related flags define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); // Ergonomics related flags define_pd_global(bool, NeverActAsServerClassMachine, false); #endif // CPU_ARM_C2_GLOBALS_ARM_HPP