1 /* 2 * Copyright (c) 2000, 2019, 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_SPARC_C2_GLOBALS_SPARC_HPP 26 #define CPU_SPARC_C2_GLOBALS_SPARC_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. 33 34 define_pd_global(bool, BackgroundCompilation, true); 35 define_pd_global(bool, CICompileOSR, true); 36 define_pd_global(bool, InlineIntrinsics, true); 37 define_pd_global(bool, PreferInterpreterNativeStubs, false); 38 define_pd_global(bool, ProfileTraps, true); 39 define_pd_global(bool, UseOnStackReplacement, true); 40 define_pd_global(bool, ProfileInterpreter, true); 41 define_pd_global(bool, TieredCompilation, trueInTiered); 42 define_pd_global(intx, CompileThreshold, 10000); 43 44 define_pd_global(intx, OnStackReplacePercentage, 140); 45 define_pd_global(intx, ConditionalMoveLimit, 4); 46 define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to use all the float/double registers 47 define_pd_global(intx, FreqInlineSize, 175); 48 define_pd_global(intx, INTPRESSURE, 48); // large register set 49 define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment 50 define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K)); 51 define_pd_global(intx, RegisterCostAreaRatio, 12000); 52 define_pd_global(bool, UseTLAB, true); 53 define_pd_global(bool, ResizeTLAB, true); 54 define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1 55 define_pd_global(intx, LoopPercentProfileLimit, 10); 56 define_pd_global(intx, MinJumpTableSize, 5); 57 58 // Peephole and CISC spilling both break the graph, and so makes the 59 // scheduler sick. 60 define_pd_global(bool, OptoPeephole, false); 61 define_pd_global(bool, UseCISCSpill, false); 62 define_pd_global(bool, OptoBundling, false); 63 define_pd_global(bool, OptoScheduling, true); 64 define_pd_global(bool, OptoRegScheduling, false); 65 define_pd_global(bool, SuperWordLoopUnrollAnalysis, false); 66 define_pd_global(bool, IdealizeClearArrayNode, true); 67 68 // We need to make sure that all generated code is within 69 // 2 gigs of the libjvm.so runtime routines so we can use 70 // the faster "call" instruction rather than the expensive 71 // sequence of instructions to load a 64 bit pointer. 72 // 73 // InitialCodeCacheSize derived from specjbb2000 run. 74 define_pd_global(uintx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize 75 define_pd_global(uintx, ReservedCodeCacheSize, 48*M); 76 define_pd_global(uintx, NonProfiledCodeHeapSize, 21*M); 77 define_pd_global(uintx, ProfiledCodeHeapSize, 22*M); 78 define_pd_global(uintx, NonNMethodCodeHeapSize, 5*M ); 79 define_pd_global(uintx, CodeCacheExpansionSize, 64*K); 80 81 // Ergonomics related flags 82 define_pd_global(uint64_t,MaxRAM, 128ULL*G); 83 define_pd_global(uintx, CodeCacheMinBlockLength, 6); 84 define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K); 85 86 define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed on sparc. 87 88 // Heap related flags 89 define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); 90 91 // Ergonomics related flags 92 define_pd_global(bool, NeverActAsServerClassMachine, false); 93 94 #endif // CPU_SPARC_C2_GLOBALS_SPARC_HPP