hotspot/src/cpu/sparc/vm/c1_globals_sparc.hpp
author twisti
Fri, 13 Feb 2009 09:09:35 -0800
changeset 2031 24e034f56dcb
parent 1 489c9b5090e2
child 4434 4b41e5b42f81
permissions -rw-r--r--
6800154: Add comments to long_by_long_mulhi() for better understandability Summary: This patch adds a comment pointing to the Hacker's Delight version of the algorithm plus a verbatim copy of it. Furthermore it adds inline comments. Reviewed-by: kvn, jrose

/*
 * 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 client compiler.
// (see c1_globals.hpp)
//
#ifndef TIERED
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,                 false);
define_pd_global(bool, UseOnStackReplacement,        true );
define_pd_global(bool, TieredCompilation,            false);
define_pd_global(intx, CompileThreshold,             1000 ); // Design center runs on 1.3.1
define_pd_global(intx, Tier2CompileThreshold,        1500 );
define_pd_global(intx, Tier3CompileThreshold,        2000 );
define_pd_global(intx, Tier4CompileThreshold,        2500 );

define_pd_global(intx, BackEdgeThreshold,            100000);
define_pd_global(intx, Tier2BackEdgeThreshold,       100000);
define_pd_global(intx, Tier3BackEdgeThreshold,       100000);
define_pd_global(intx, Tier4BackEdgeThreshold,       100000);

define_pd_global(intx, OnStackReplacePercentage,     1400 );
define_pd_global(bool, UseTLAB,                      true );
define_pd_global(bool, ProfileInterpreter,           false);
define_pd_global(intx, FreqInlineSize,               325  );
define_pd_global(intx, NewRatio,                     8    ); // Design center runs on 1.3.1
define_pd_global(bool, ResizeTLAB,                   true );
define_pd_global(intx, ReservedCodeCacheSize,        32*M );
define_pd_global(intx, CodeCacheExpansionSize,       32*K );
define_pd_global(uintx,CodeCacheMinBlockLength,      1);
define_pd_global(uintx, PermSize,                    12*M );
define_pd_global(uintx, MaxPermSize,                 64*M );
define_pd_global(bool, NeverActAsServerClassMachine, true);
define_pd_global(intx, NewSizeThreadIncrease,        16*K );
define_pd_global(uintx, DefaultMaxRAM,               1*G);
define_pd_global(intx, InitialCodeCacheSize,         160*K);
#endif // TIERED

define_pd_global(bool, UseTypeProfile,               false);
define_pd_global(bool, RoundFPResults,               false);


define_pd_global(bool, LIRFillDelaySlots,            true);
define_pd_global(bool, OptimizeSinglePrecision,      false);
define_pd_global(bool, CSEArrayLength,               true);
define_pd_global(bool, TwoOperandLIRForm,            false);


define_pd_global(intx, SafepointPollOffset, 0);