view src/cpu/aarch64/vm/c2_globals_aarch64.hpp @ 11180:8899dee1b1ed

8155717: Aarch64: enable loop superword's unrolling analysis Reviewed-by: aph, kvn, mcberg
author roland
date Wed, 04 May 2016 13:32:03 -0700
parents 7010ee970bfb
children c1715eaaa820
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 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
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 * published by the Free Software Foundation.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"

// Sets the default values for platform dependent flags used by the server compiler.
// (see c2_globals.hpp).  Alpha-sorted.

define_pd_global(bool, BackgroundCompilation,        true);
define_pd_global(bool, UseTLAB,                      true);
define_pd_global(bool, ResizeTLAB,                   true);
define_pd_global(bool, CICompileOSR,                 true);
define_pd_global(bool, InlineIntrinsics,             true);
define_pd_global(bool, PreferInterpreterNativeStubs, false);
define_pd_global(bool, ProfileTraps,                 true);
define_pd_global(bool, UseOnStackReplacement,        true);
define_pd_global(bool, ProfileInterpreter,           true);
define_pd_global(bool, TieredCompilation,            trueInTiered);
define_pd_global(intx, CompileThreshold,             10000);
define_pd_global(intx, BackEdgeThreshold,            100000);

define_pd_global(intx, OnStackReplacePercentage,     140);
define_pd_global(intx, ConditionalMoveLimit,         3);
define_pd_global(intx, FLOATPRESSURE,                64);
define_pd_global(intx, FreqInlineSize,               325);
define_pd_global(intx, MinJumpTableSize,             10);
define_pd_global(intx, INTPRESSURE,                  25);
define_pd_global(intx, InteriorEntryAlignment,       16);
define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
define_pd_global(intx, LoopUnrollLimit,              60);
define_pd_global(intx, LoopPercentProfileLimit,      10);
define_pd_global(intx, PostLoopMultiversioning,      false);
// InitialCodeCacheSize derived from specjbb2000 run.
define_pd_global(intx, InitialCodeCacheSize,         2496*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(intx, CodeCacheExpansionSize,       64*K);

// Ergonomics related flags
define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
define_pd_global(intx, RegisterCostAreaRatio,        16000);

// Peephole and CISC spilling both break the graph, and so makes the
// scheduler sick.
define_pd_global(bool, OptoPeephole,                 false);
define_pd_global(bool, UseCISCSpill,                 true);
define_pd_global(bool, OptoScheduling,               false);
define_pd_global(bool, OptoBundling,                 false);
define_pd_global(bool, OptoRegScheduling,            false);
define_pd_global(bool, SuperWordLoopUnrollAnalysis,  true);

define_pd_global(intx, ReservedCodeCacheSize,        48*M);
define_pd_global(intx, NonProfiledCodeHeapSize,      21*M);
define_pd_global(intx, ProfiledCodeHeapSize,         22*M);
define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
define_pd_global(uintx, CodeCacheMinBlockLength,     4);
define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);

// Heap related flags
define_pd_global(uintx,MetaspaceSize,    ScaleForWordSize(16*M));

// Ergonomics related flags
define_pd_global(bool, NeverActAsServerClassMachine, false);

define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed.