1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2016 SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #ifndef CPU_S390_VM_C2_GLOBALS_S390_HPP 27 #define CPU_S390_VM_C2_GLOBALS_S390_HPP 28 29 #include "utilities/globalDefinitions.hpp" 30 #include "utilities/macros.hpp" 31 32 // Sets the default values for platform dependent flags used by the server compiler. 33 // (see c2_globals.hpp). 34 // Sorted according to sparc. 35 36 define_pd_global(bool, BackgroundCompilation, true); 37 define_pd_global(bool, CICompileOSR, true); 38 define_pd_global(bool, InlineIntrinsics, true); 39 define_pd_global(bool, PreferInterpreterNativeStubs, false); 40 define_pd_global(bool, ProfileTraps, true); 41 define_pd_global(bool, UseOnStackReplacement, true); 42 define_pd_global(bool, ProfileInterpreter, true); 43 define_pd_global(bool, TieredCompilation, trueInTiered); 44 define_pd_global(intx, CompileThreshold, 10000); 45 46 define_pd_global(intx, OnStackReplacePercentage, 140); 47 define_pd_global(intx, ConditionalMoveLimit, 4); 48 define_pd_global(intx, FLOATPRESSURE, 15); 49 define_pd_global(intx, FreqInlineSize, 175); 50 // 10 prevents spill-split-recycle sanity check in JVM2008.xml.transform. 51 define_pd_global(intx, INTPRESSURE, 10); // Medium size register set, 6 special purpose regs, 3 SOE regs. 52 define_pd_global(intx, InteriorEntryAlignment, 2); 53 define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K)); 54 define_pd_global(intx, RegisterCostAreaRatio, 12000); 55 define_pd_global(bool, UseTLAB, true); 56 define_pd_global(bool, ResizeTLAB, true); 57 define_pd_global(intx, LoopUnrollLimit, 60); 58 define_pd_global(intx, LoopPercentProfileLimit, 10); 59 define_pd_global(intx, PostLoopMultiversioning, false); 60 define_pd_global(intx, MinJumpTableSize, 18); 61 62 // Peephole and CISC spilling both break the graph, and so makes the 63 // scheduler sick. 64 define_pd_global(bool, OptoPeephole, false); 65 define_pd_global(bool, UseCISCSpill, true); 66 define_pd_global(bool, OptoBundling, false); 67 define_pd_global(bool, OptoScheduling, false); 68 define_pd_global(bool, OptoRegScheduling, false); 69 define_pd_global(bool, SuperWordLoopUnrollAnalysis, false); 70 // On s390x, we can clear the array with a single instruction, 71 // so don't idealize it. 72 define_pd_global(bool, IdealizeClearArrayNode, false); 73 74 // InitialCodeCacheSize derived from specjbb2000 run. 75 define_pd_global(uintx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize 76 define_pd_global(uintx, ReservedCodeCacheSize, 48*M); 77 define_pd_global(uintx, NonProfiledCodeHeapSize, 21*M); 78 define_pd_global(uintx, ProfiledCodeHeapSize, 22*M); 79 define_pd_global(uintx, NonNMethodCodeHeapSize, 5*M); 80 define_pd_global(uintx, CodeCacheExpansionSize, 64*K); 81 82 // Ergonomics related flags 83 define_pd_global(uint64_t, MaxRAM, 128ULL*G); 84 define_pd_global(uintx, CodeCacheMinBlockLength, 4); 85 define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K); 86 87 define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed on z/Architecture. 88 89 // Heap related flags 90 define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); 91 92 // Ergonomics related flags 93 define_pd_global(bool, NeverActAsServerClassMachine, false); 94 95 #endif // CPU_S390_VM_C2_GLOBALS_S390_HPP