1/* 2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 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). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25#ifndef CPU_X86_VM_C2_GLOBALS_X86_HPP 26#define CPU_X86_VM_C2_GLOBALS_X86_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. 33define_pd_global(bool, BackgroundCompilation, true); 34define_pd_global(bool, UseTLAB, true); 35define_pd_global(bool, ResizeTLAB, true); 36define_pd_global(bool, CICompileOSR, true); 37define_pd_global(bool, InlineIntrinsics, true); 38define_pd_global(bool, PreferInterpreterNativeStubs, false); 39define_pd_global(bool, ProfileTraps, true); 40define_pd_global(bool, UseOnStackReplacement, true); 41define_pd_global(bool, ProfileInterpreter, true); 42define_pd_global(bool, TieredCompilation, trueInTiered); 43define_pd_global(intx, CompileThreshold, 10000); 44 45define_pd_global(intx, OnStackReplacePercentage, 140); 46define_pd_global(intx, ConditionalMoveLimit, 3); 47define_pd_global(intx, FreqInlineSize, 325); 48define_pd_global(intx, MinJumpTableSize, 10); 49define_pd_global(intx, LoopPercentProfileLimit, 30); 50#ifdef AMD64 51define_pd_global(intx, INTPRESSURE, 13); 52define_pd_global(intx, FLOATPRESSURE, 14); 53define_pd_global(intx, InteriorEntryAlignment, 16); 54define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K)); 55define_pd_global(intx, LoopUnrollLimit, 60); 56// InitialCodeCacheSize derived from specjbb2000 run. 57define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize 58define_pd_global(intx, CodeCacheExpansionSize, 64*K); 59 60// Ergonomics related flags 61define_pd_global(uint64_t, MaxRAM, 128ULL*G); 62#else 63define_pd_global(intx, INTPRESSURE, 6); 64define_pd_global(intx, FLOATPRESSURE, 6); 65define_pd_global(intx, InteriorEntryAlignment, 4); 66define_pd_global(size_t, NewSizeThreadIncrease, 4*K); 67define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1 68// InitialCodeCacheSize derived from specjbb2000 run. 69define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize 70define_pd_global(intx, CodeCacheExpansionSize, 32*K); 71 72// Ergonomics related flags 73define_pd_global(uint64_t, MaxRAM, 4ULL*G); 74#endif // AMD64 75define_pd_global(intx, RegisterCostAreaRatio, 16000); 76 77// Peephole and CISC spilling both break the graph, and so makes the 78// scheduler sick. 79define_pd_global(bool, OptoPeephole, true); 80define_pd_global(bool, UseCISCSpill, true); 81define_pd_global(bool, OptoScheduling, false); 82define_pd_global(bool, OptoBundling, false); 83define_pd_global(bool, OptoRegScheduling, true); 84define_pd_global(bool, SuperWordLoopUnrollAnalysis, true); 85define_pd_global(bool, IdealizeClearArrayNode, true); 86 87define_pd_global(intx, ReservedCodeCacheSize, 48*M); 88define_pd_global(intx, NonProfiledCodeHeapSize, 21*M); 89define_pd_global(intx, ProfiledCodeHeapSize, 22*M); 90define_pd_global(intx, NonNMethodCodeHeapSize, 5*M ); 91define_pd_global(uintx, CodeCacheMinBlockLength, 4); 92define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K); 93 94define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed on x86. 95 96// Heap related flags 97define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); 98 99// Ergonomics related flags 100define_pd_global(bool, NeverActAsServerClassMachine, false); 101 102#endif // CPU_X86_VM_C2_GLOBALS_X86_HPP 103