1 /* 2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2012, 2019 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_PPC_C2_GLOBALS_PPC_HPP 27 #define CPU_PPC_C2_GLOBALS_PPC_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 35 define_pd_global(bool, BackgroundCompilation, true); 36 define_pd_global(bool, CICompileOSR, true); 37 define_pd_global(bool, InlineIntrinsics, true); 38 define_pd_global(bool, PreferInterpreterNativeStubs, false); 39 define_pd_global(bool, ProfileTraps, true); 40 define_pd_global(bool, UseOnStackReplacement, true); 41 define_pd_global(bool, ProfileInterpreter, true); 42 define_pd_global(bool, TieredCompilation, trueInTiered); 43 define_pd_global(intx, CompileThreshold, 10000); 44 45 define_pd_global(intx, OnStackReplacePercentage, 140); 46 define_pd_global(intx, ConditionalMoveLimit, 3); 47 define_pd_global(intx, FLOATPRESSURE, 28); 48 define_pd_global(intx, FreqInlineSize, 175); 49 define_pd_global(intx, MinJumpTableSize, 10); 50 define_pd_global(intx, INTPRESSURE, 26); 51 define_pd_global(intx, InteriorEntryAlignment, 16); 52 define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K)); 53 define_pd_global(intx, RegisterCostAreaRatio, 16000); 54 define_pd_global(bool, UseTLAB, true); 55 define_pd_global(bool, ResizeTLAB, true); 56 define_pd_global(intx, LoopUnrollLimit, 60); 57 define_pd_global(intx, LoopPercentProfileLimit, 10); 58 59 // Peephole and CISC spilling both break the graph, and so make the 60 // scheduler sick. 61 define_pd_global(bool, OptoPeephole, false); 62 define_pd_global(bool, UseCISCSpill, false); 63 define_pd_global(bool, OptoBundling, false); 64 define_pd_global(bool, OptoRegScheduling, false); 65 define_pd_global(bool, SuperWordLoopUnrollAnalysis, true); 66 // GL: 67 // Detected a problem with unscaled compressed oops and 68 // narrow_oop_use_complex_address() == false. 69 // -Djava.io.tmpdir=./tmp -jar SPECjvm2008.jar -ikv -wt 3 -it 3 70 // -bt 1 --base compiler.sunflow 71 // fails in Lower.visitIf->translate->tranlate->translate and 72 // throws an unexpected NPE. A load and a store seem to be 73 // reordered. Java reads about: 74 // loc = x.f 75 // x.f = 0 76 // NullCheck loc 77 // While assembler reads: 78 // x.f = 0 79 // loc = x.f 80 // NullCheck loc 81 define_pd_global(bool, OptoScheduling, false); 82 define_pd_global(bool, IdealizeClearArrayNode, true); 83 84 define_pd_global(uintx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize 85 define_pd_global(uintx, ReservedCodeCacheSize, 48*M); 86 define_pd_global(uintx, NonProfiledCodeHeapSize, 21*M); 87 define_pd_global(uintx, ProfiledCodeHeapSize, 22*M); 88 define_pd_global(uintx, NonNMethodCodeHeapSize, 5*M ); 89 define_pd_global(uintx, CodeCacheExpansionSize, 64*K); 90 91 // Ergonomics related flags 92 define_pd_global(uint64_t, MaxRAM, 128ULL*G); 93 define_pd_global(uintx, CodeCacheMinBlockLength, 6); 94 define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K); 95 96 define_pd_global(bool, TrapBasedRangeChecks, true); 97 98 // Heap related flags 99 define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M)); 100 101 // Ergonomics related flags 102 define_pd_global(bool, NeverActAsServerClassMachine, false); 103 104 #endif // CPU_PPC_C2_GLOBALS_PPC_HPP 105