/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2016 SAP SE. 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

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 */

#ifndef CPU_S390_VM_C2_GLOBALS_S390_HPP

#define CPU_S390_VM_C2_GLOBALS_S390_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).

// Sorted according to sparc.

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,            trueInTiered);

define_pd_global(intx, CompileThreshold,             10000);

define_pd_global(intx, OnStackReplacePercentage,     140);

define_pd_global(intx, ConditionalMoveLimit,         4);

define_pd_global(intx, FLOATPRESSURE,                15);

define_pd_global(intx, FreqInlineSize,               175);

// 10 prevents spill-split-recycle sanity check in JVM2008.xml.transform.

define_pd_global(intx, INTPRESSURE,                  10); // Medium size register set, 6 special purpose regs, 3 SOE regs.

define_pd_global(intx, InteriorEntryAlignment,       2);

define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));

define_pd_global(intx, RegisterCostAreaRatio,        12000);

define_pd_global(bool, UseTLAB,                      true);

define_pd_global(bool, ResizeTLAB,                   true);

define_pd_global(intx, LoopUnrollLimit,              60);

define_pd_global(intx, LoopPercentProfileLimit,      10);

define_pd_global(intx, MinJumpTableSize,             18);

// 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, OptoBundling,                 false);

define_pd_global(bool, OptoScheduling,               false);

define_pd_global(bool, OptoRegScheduling,            false);

define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);

// On s390x, we can clear the array with a single instruction,

// so don't idealize it.

define_pd_global(bool, IdealizeClearArrayNode,       false);

// InitialCodeCacheSize derived from specjbb2000 run.

define_pd_global(uintx, InitialCodeCacheSize,        2048*K); // Integral multiple of CodeCacheExpansionSize

define_pd_global(uintx, ReservedCodeCacheSize,       48*M);

define_pd_global(uintx, NonProfiledCodeHeapSize,     21*M);

define_pd_global(uintx, ProfiledCodeHeapSize,        22*M);

define_pd_global(uintx, NonNMethodCodeHeapSize,      5*M);

define_pd_global(uintx, CodeCacheExpansionSize,      64*K);

// Ergonomics related flags

define_pd_global(uint64_t, MaxRAM,                   128ULL*G);

define_pd_global(uintx, CodeCacheMinBlockLength,     4);

define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);

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

// Heap related flags

define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));

// Ergonomics related flags

define_pd_global(bool, NeverActAsServerClassMachine, false);

#endif // CPU_S390_VM_C2_GLOBALS_S390_HPP