/*

 * Copyright 2000-2006 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 runtime system.

// (see globals.hpp)

//

define_pd_global(bool,  ConvertSleepToYield,      true);

define_pd_global(bool,  ShareVtableStubs,         true);

define_pd_global(bool,  CountInterpCalls,         true);

define_pd_global(bool, ImplicitNullChecks,          true);  // Generate code for implicit null checks

define_pd_global(bool, UncommonNullCast,            true);  // Uncommon-trap NULLs past to check cast

// See 4827828 for this change. There is no globals_core_i486.hpp. I can't

// assign a different value for C2 without touching a number of files. Use

// #ifdef to minimize the change as it's late in Mantis. -- FIXME.

// c1 doesn't have this problem because the fix to 4858033 assures us

// the the vep is aligned at CodeEntryAlignment whereas c2 only aligns

// the uep and the vep doesn't get real alignment but just slops on by

// only assured that the entry instruction meets the 5 byte size requirement.

#ifdef COMPILER2

define_pd_global(intx,  CodeEntryAlignment,       32);

#else

define_pd_global(intx,  CodeEntryAlignment,       16);

#endif // COMPILER2

define_pd_global(bool, NeedsDeoptSuspend,           false); // only register window machines need this

define_pd_global(uintx, TLABSize,                 0);

#ifdef AMD64

define_pd_global(uintx, NewSize, ScaleForWordSize(2048 * K));

// Very large C++ stack frames using solaris-amd64 optimized builds

// due to lack of optimization caused by C++ compiler bugs

define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));

#else

define_pd_global(uintx, NewSize,                  1024 * K);

define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));

#endif // AMD64

define_pd_global(intx,  InlineFrequencyCount,     100);

define_pd_global(intx,  PreInflateSpin,           10);

define_pd_global(intx, StackYellowPages, 2);

define_pd_global(intx, StackRedPages, 1);

define_pd_global(bool, RewriteBytecodes,     true);

define_pd_global(bool, RewriteFrequentPairs, true);