Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright 2000-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  *

  */

 // 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,             false);

 define_pd_global(bool, PreferInterpreterNativeStubs, false);

 define_pd_global(bool, ProfileTraps,                 true);

 define_pd_global(bool, UseOnStackReplacement,        true);

 #ifdef CC_INTERP

 define_pd_global(bool, ProfileInterpreter,           false);

 #else

 define_pd_global(bool, ProfileInterpreter,           true);

 #endif // CC_INTERP

 define_pd_global(bool, TieredCompilation,            false);

 #ifdef TIERED

 define_pd_global(intx, CompileThreshold,             1000);

 define_pd_global(intx, BackEdgeThreshold,            14000);

 #else

 define_pd_global(intx, CompileThreshold,             10000);

 define_pd_global(intx, BackEdgeThreshold,            140000);

 #endif // TIERED

 define_pd_global(intx, Tier2CompileThreshold,        10000); // unused level

 define_pd_global(intx, Tier3CompileThreshold,        10000);

 define_pd_global(intx, Tier4CompileThreshold,        40000);

 define_pd_global(intx, Tier2BackEdgeThreshold,       100000);

 define_pd_global(intx, Tier3BackEdgeThreshold,       100000);

 define_pd_global(intx, Tier4BackEdgeThreshold,       100000);

 define_pd_global(intx, OnStackReplacePercentage,     140);

 define_pd_global(intx, ConditionalMoveLimit,         4);

 define_pd_global(intx, FLOATPRESSURE,                52);  // C2 on V9 gets to use all the float/double registers

 define_pd_global(intx, FreqInlineSize,               175);

 define_pd_global(intx, INTPRESSURE,                  48);  // large register set

 define_pd_global(intx, InteriorEntryAlignment,       16);  // = CodeEntryAlignment

 define_pd_global(intx, NewRatio,                     2);

 define_pd_global(intx, 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,        12000);

 define_pd_global(bool, UseTLAB,                      true);

 define_pd_global(bool, ResizeTLAB,                   true);

 define_pd_global(intx, LoopUnrollLimit,              60); // Design center runs on 1.3.1

 // 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);

 #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(intx, InitialCodeCacheSize,     2048*K); // Integral multiple of CodeCacheExpansionSize

 define_pd_global(intx, ReservedCodeCacheSize,    48*M);

 define_pd_global(intx, CodeCacheExpansionSize,   64*K);

 // Ergonomics related flags

 define_pd_global(uintx, DefaultMaxRAM,           32*G);

 #else

 // InitialCodeCacheSize derived from specjbb2000 run.

 define_pd_global(intx, InitialCodeCacheSize,     1536*K); // Integral multiple of CodeCacheExpansionSize

 define_pd_global(intx, ReservedCodeCacheSize,    32*M);

 define_pd_global(intx, CodeCacheExpansionSize,   32*K);

 // Ergonomics related flags

 define_pd_global(uintx, DefaultMaxRAM,           1*G);

 #endif

 define_pd_global(uintx,CodeCacheMinBlockLength,  4);

 // Heap related flags

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

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

 // Ergonomics related flags

 define_pd_global(bool, NeverActAsServerClassMachine, false);