hotspot/src/cpu/ppc/vm/c2_globals_ppc.hpp
author mdoerr
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8144019: PPC64 C1: Introduce Client Compiler Reviewed-by: goetz
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/*
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 * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2012, 2015 SAP AG. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef CPU_PPC_VM_C2_GLOBALS_PPC_HPP
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#define CPU_PPC_VM_C2_GLOBALS_PPC_HPP
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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// Sets the default values for platform dependent flags used by the server compiler.
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// (see c2_globals.hpp).
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define_pd_global(bool, BackgroundCompilation,        true);
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define_pd_global(bool, CICompileOSR,                 true);
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define_pd_global(bool, InlineIntrinsics,             true);
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define_pd_global(bool, PreferInterpreterNativeStubs, false);
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define_pd_global(bool, ProfileTraps,                 true);
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define_pd_global(bool, UseOnStackReplacement,        true);
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define_pd_global(bool, ProfileInterpreter,           true);
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define_pd_global(bool, TieredCompilation,            true);
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define_pd_global(intx, CompileThreshold,             10000);
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define_pd_global(intx, OnStackReplacePercentage,     140);
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define_pd_global(intx, ConditionalMoveLimit,         3);
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define_pd_global(intx, FLOATPRESSURE,                28);
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define_pd_global(intx, FreqInlineSize,               175);
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define_pd_global(intx, MinJumpTableSize,             10);
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define_pd_global(intx, INTPRESSURE,                  26);
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define_pd_global(intx, InteriorEntryAlignment,       16);
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define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
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define_pd_global(intx, RegisterCostAreaRatio,        16000);
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define_pd_global(bool, UseTLAB,                      true);
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define_pd_global(bool, ResizeTLAB,                   true);
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define_pd_global(intx, LoopUnrollLimit,              60);
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// Peephole and CISC spilling both break the graph, and so make the
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// scheduler sick.
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define_pd_global(bool, OptoPeephole,                 false);
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define_pd_global(bool, UseCISCSpill,                 false);
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define_pd_global(bool, OptoBundling,                 false);
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define_pd_global(bool, OptoRegScheduling,            false);
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define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);
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// GL:
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// Detected a problem with unscaled compressed oops and
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// narrow_oop_use_complex_address() == false.
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// -Djava.io.tmpdir=./tmp -jar SPECjvm2008.jar -ikv -wt 3 -it 3
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//   -bt 1 --base compiler.sunflow
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// fails in Lower.visitIf->translate->tranlate->translate and
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// throws an unexpected NPE. A load and a store seem to be
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// reordered.  Java reads about:
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//   loc = x.f
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//   x.f = 0
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//   NullCheck loc
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// While assembler reads:
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//   x.f = 0
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//   loc = x.f
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//   NullCheck loc
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define_pd_global(bool, OptoScheduling,               false);
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define_pd_global(intx, InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, ReservedCodeCacheSize,        256*M);
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define_pd_global(intx, NonProfiledCodeHeapSize,      125*M);
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define_pd_global(intx, ProfiledCodeHeapSize,         126*M);
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define_pd_global(intx, NonNMethodCodeHeapSize,       5*M  );
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define_pd_global(intx, CodeCacheExpansionSize,       64*K);
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// Ergonomics related flags
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define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
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define_pd_global(uintx, CodeCacheMinBlockLength,     4);
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define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
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define_pd_global(bool,  TrapBasedRangeChecks,        true);
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// Heap related flags
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define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
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// Ergonomics related flags
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define_pd_global(bool, NeverActAsServerClassMachine, false);
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#endif // CPU_PPC_VM_C2_GLOBALS_PPC_HPP