/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2016 SAP SE. 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_S390_VM_C2_GLOBALS_S390_HPP #define CPU_S390_VM_C2_GLOBALS_S390_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). // Sorted according to sparc. 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, trueInTiered); define_pd_global(intx, CompileThreshold, 10000); define_pd_global(intx, OnStackReplacePercentage, 140); define_pd_global(intx, ConditionalMoveLimit, 4); define_pd_global(intx, FLOATPRESSURE, 15); define_pd_global(intx, FreqInlineSize, 175); // 10 prevents spill-split-recycle sanity check in JVM2008.xml.transform. define_pd_global(intx, INTPRESSURE, 10); // Medium size register set, 6 special purpose regs, 3 SOE regs. define_pd_global(intx, InteriorEntryAlignment, 2); define_pd_global(size_t, 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); define_pd_global(intx, LoopPercentProfileLimit, 10); define_pd_global(intx, PostLoopMultiversioning, false); define_pd_global(intx, MinJumpTableSize, 18); // 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, true); define_pd_global(bool, OptoBundling, false); define_pd_global(bool, OptoScheduling, false); define_pd_global(bool, OptoRegScheduling, false); define_pd_global(bool, SuperWordLoopUnrollAnalysis, false); // On s390x, we can clear the array with a single instruction, // so don't idealize it. define_pd_global(bool, IdealizeClearArrayNode, false); // InitialCodeCacheSize derived from specjbb2000 run. 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, 4); define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K); define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed on z/Architecture. // Heap related flags define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); // Ergonomics related flags define_pd_global(bool, NeverActAsServerClassMachine, false); #endif // CPU_S390_VM_C2_GLOBALS_S390_HPP