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14445
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1 /*
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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17807
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3 * Copyright 2012, 2014 SAP AG. All rights reserved.
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14445
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #ifndef CPU_PPC_VM_C2_GLOBALS_PPC_HPP
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27 #define CPU_PPC_VM_C2_GLOBALS_PPC_HPP
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28
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29 #include "utilities/globalDefinitions.hpp"
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30 #include "utilities/macros.hpp"
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31
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32 // Sets the default values for platform dependent flags used by the server compiler.
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33 // (see c2_globals.hpp).
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34
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35 define_pd_global(bool, BackgroundCompilation, true);
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36 define_pd_global(bool, CICompileOSR, true);
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37 define_pd_global(bool, InlineIntrinsics, true);
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38 define_pd_global(bool, PreferInterpreterNativeStubs, false);
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39 define_pd_global(bool, ProfileTraps, true);
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40 define_pd_global(bool, UseOnStackReplacement, true);
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41 define_pd_global(bool, ProfileInterpreter, true);
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42 define_pd_global(bool, TieredCompilation, false);
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43 define_pd_global(intx, CompileThreshold, 10000);
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44 define_pd_global(intx, BackEdgeThreshold, 140000);
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45
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46 define_pd_global(intx, OnStackReplacePercentage, 140);
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47 define_pd_global(intx, ConditionalMoveLimit, 3);
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48 define_pd_global(intx, FLOATPRESSURE, 28);
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49 define_pd_global(intx, FreqInlineSize, 175);
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50 define_pd_global(intx, MinJumpTableSize, 10);
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51 define_pd_global(intx, INTPRESSURE, 25);
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52 define_pd_global(intx, InteriorEntryAlignment, 16);
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53 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
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54 define_pd_global(intx, RegisterCostAreaRatio, 16000);
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55 define_pd_global(bool, UseTLAB, true);
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56 define_pd_global(bool, ResizeTLAB, true);
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57 define_pd_global(intx, LoopUnrollLimit, 60);
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58
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59 // Peephole and CISC spilling both break the graph, and so make the
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60 // scheduler sick.
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61 define_pd_global(bool, OptoPeephole, false);
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62 define_pd_global(bool, UseCISCSpill, false);
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63 define_pd_global(bool, OptoBundling, false);
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64 // GL:
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65 // Detected a problem with unscaled compressed oops and
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66 // narrow_oop_use_complex_address() == false.
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67 // -Djava.io.tmpdir=./tmp -jar SPECjvm2008.jar -ikv -wt 3 -it 3
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68 // -bt 1 --base compiler.sunflow
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69 // fails in Lower.visitIf->translate->tranlate->translate and
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70 // throws an unexpected NPE. A load and a store seem to be
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71 // reordered. Java reads about:
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72 // loc = x.f
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73 // x.f = 0
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74 // NullCheck loc
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75 // While assembler reads:
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76 // x.f = 0
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77 // loc = x.f
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78 // NullCheck loc
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79 define_pd_global(bool, OptoScheduling, false);
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80
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81 define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
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82 define_pd_global(intx, ReservedCodeCacheSize, 256*M);
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83 define_pd_global(intx, CodeCacheExpansionSize, 64*K);
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84
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85 // Ergonomics related flags
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86 define_pd_global(uint64_t,MaxRAM, 4ULL*G);
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87 define_pd_global(uintx, CodeCacheMinBlockLength, 4);
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88 define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K);
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89
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90 define_pd_global(bool, TrapBasedRangeChecks, true);
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91
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92 // Heap related flags
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93 define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(16*M));
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94
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95 // Ergonomics related flags
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96 define_pd_global(bool, NeverActAsServerClassMachine, false);
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97
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98 #endif // CPU_PPC_VM_C2_GLOBALS_PPC_HPP
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