jdk8-mips64-public/hotspot: src/cpu/x86/vm/c2_globals

     1 /*

     2  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 // Sets the default values for platform dependent flags used by the server compiler.

    26 // (see c2_globals.hpp).  Alpha-sorted.

    28 define_pd_global(bool, BackgroundCompilation,        true);

    29 define_pd_global(bool, UseTLAB,                      true);

    30 define_pd_global(bool, ResizeTLAB,                   true);

    31 define_pd_global(bool, CICompileOSR,                 true);

    32 define_pd_global(bool, InlineIntrinsics,             true);

    33 define_pd_global(bool, PreferInterpreterNativeStubs, false);

    34 define_pd_global(bool, ProfileTraps,                 true);

    35 define_pd_global(bool, UseOnStackReplacement,        true);

    36 #ifdef CC_INTERP

    37 define_pd_global(bool, ProfileInterpreter,           false);

    38 #else

    39 define_pd_global(bool, ProfileInterpreter,           true);

    40 #endif // CC_INTERP

    41 define_pd_global(bool, TieredCompilation,            false);

    42 define_pd_global(intx, CompileThreshold,             10000);

    43 define_pd_global(intx, BackEdgeThreshold,            100000);

    45 define_pd_global(intx, OnStackReplacePercentage,     140);

    46 define_pd_global(intx, ConditionalMoveLimit,         3);

    47 define_pd_global(intx, FLOATPRESSURE,                6);

    48 define_pd_global(intx, FreqInlineSize,               325);

    49 #ifdef AMD64

    50 define_pd_global(intx, INTPRESSURE,                  13);

    51 define_pd_global(intx, InteriorEntryAlignment,       16);

    52 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));

    53 define_pd_global(intx, LoopUnrollLimit,              60);

    54 // InitialCodeCacheSize derived from specjbb2000 run.

    55 define_pd_global(intx, InitialCodeCacheSize,         2496*K); // Integral multiple of CodeCacheExpansionSize

    56 define_pd_global(intx, CodeCacheExpansionSize,       64*K);

    58 // Ergonomics related flags

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

    60 #else

    61 define_pd_global(intx, INTPRESSURE,                  6);

    62 define_pd_global(intx, InteriorEntryAlignment,       4);

    63 define_pd_global(intx, NewSizeThreadIncrease,        4*K);

    64 define_pd_global(intx, LoopUnrollLimit,              50);     // Design center runs on 1.3.1

    65 // InitialCodeCacheSize derived from specjbb2000 run.

    66 define_pd_global(intx, InitialCodeCacheSize,         2304*K); // Integral multiple of CodeCacheExpansionSize

    67 define_pd_global(intx, CodeCacheExpansionSize,       32*K);

    69 // Ergonomics related flags

    70 define_pd_global(uint64_t,MaxRAM,                    4ULL*G);

    71 #endif // AMD64

    72 define_pd_global(intx, RegisterCostAreaRatio,        16000);

    74 // Peephole and CISC spilling both break the graph, and so makes the

    75 // scheduler sick.

    76 define_pd_global(bool, OptoPeephole,                 true);

    77 define_pd_global(bool, UseCISCSpill,                 true);

    78 define_pd_global(bool, OptoScheduling,               false);

    79 define_pd_global(bool, OptoBundling,                 false);

    81 define_pd_global(intx, ReservedCodeCacheSize,        48*M);

    82 define_pd_global(uintx,CodeCacheMinBlockLength,      4);

    84 // Heap related flags

    85 define_pd_global(uintx,PermSize,    ScaleForWordSize(16*M));

    86 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));

    88 // Ergonomics related flags

    89 define_pd_global(bool, NeverActAsServerClassMachine, false);

src/cpu/x86/vm/c2_globals_x86.hpp@75b0735b4d04