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/*
* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef CPU_ARM_C2_GLOBALS_ARM_HPP
#define CPU_ARM_C2_GLOBALS_ARM_HPP
#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, 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, false);
define_pd_global(intx, CompileThreshold, 10000);
define_pd_global(intx, OnStackReplacePercentage, 140);
define_pd_global(intx, ConditionalMoveLimit, 4);
// C2 gets to use all the float/double registers
define_pd_global(intx, FreqInlineSize, 175);
define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment
define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K));
// The default setting 16/16 seems to work best.
// (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.)
//define_pd_global(intx, OptoLoopAlignment, 16); // = 4*wordSize
define_pd_global(intx, RegisterCostAreaRatio, 16000);
define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1
define_pd_global(intx, LoopPercentProfileLimit, 10);
define_pd_global(intx, MinJumpTableSize, 16);
// 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, false);
define_pd_global(bool, OptoBundling, false);
define_pd_global(bool, OptoScheduling, true);
define_pd_global(bool, OptoRegScheduling, false);
define_pd_global(bool, SuperWordLoopUnrollAnalysis, false);
define_pd_global(bool, IdealizeClearArrayNode, true);
#ifdef _LP64
// We need to make sure that all generated code is within
// 2 gigs of the libjvm.so runtime routines so we can use
// the faster "call" instruction rather than the expensive
// sequence of instructions to load a 64 bit pointer.
//
// InitialCodeCacheSize derived from specjbb2000 run.
define_pd_global(size_t, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(size_t, ReservedCodeCacheSize, 48*M);
define_pd_global(size_t, NonProfiledCodeHeapSize, 21*M);
define_pd_global(size_t, ProfiledCodeHeapSize, 22*M);
define_pd_global(size_t, NonNMethodCodeHeapSize, 5*M );
define_pd_global(size_t, CodeCacheExpansionSize, 64*K);
// Ergonomics related flags
define_pd_global(uint64_t, MaxRAM, 128ULL*G);
#else
// InitialCodeCacheSize derived from specjbb2000 run.
define_pd_global(size_t, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize
define_pd_global(size_t, ReservedCodeCacheSize, 32*M);
define_pd_global(size_t, NonProfiledCodeHeapSize, 13*M);
define_pd_global(size_t, ProfiledCodeHeapSize, 14*M);
define_pd_global(size_t, NonNMethodCodeHeapSize, 5*M );
define_pd_global(size_t, CodeCacheExpansionSize, 32*K);
// Ergonomics related flags
define_pd_global(uint64_t, MaxRAM, 4ULL*G);
#endif
define_pd_global(uintx, CodeCacheMinBlockLength, 6);
define_pd_global(size_t, CodeCacheMinimumUseSpace, 400*K);
define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed
// Ergonomics related flags
define_pd_global(bool, NeverActAsServerClassMachine, false);
#endif // CPU_ARM_C2_GLOBALS_ARM_HPP
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