duke@435: /*
duke@435:  * Copyright 2000-2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: //
duke@435: // Sets the default values for platform dependent flags used by the runtime system.
duke@435: // (see globals.hpp)
duke@435: //
duke@435: 
duke@435: define_pd_global(bool,  ConvertSleepToYield,      true);
duke@435: define_pd_global(bool,  ShareVtableStubs,         true);
duke@435: define_pd_global(bool,  CountInterpCalls,         true);
duke@435: 
duke@435: define_pd_global(bool, ImplicitNullChecks,          true);  // Generate code for implicit null checks
duke@435: define_pd_global(bool, UncommonNullCast,            true);  // Uncommon-trap NULLs past to check cast
duke@435: 
duke@435: // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
duke@435: // assign a different value for C2 without touching a number of files. Use
duke@435: // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
duke@435: // c1 doesn't have this problem because the fix to 4858033 assures us
duke@435: // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
duke@435: // the uep and the vep doesn't get real alignment but just slops on by
duke@435: // only assured that the entry instruction meets the 5 byte size requirement.
duke@435: #ifdef COMPILER2
duke@435: define_pd_global(intx,  CodeEntryAlignment,       32);
duke@435: #else
duke@435: define_pd_global(intx,  CodeEntryAlignment,       16);
duke@435: #endif // COMPILER2
duke@435: 
duke@435: define_pd_global(bool, NeedsDeoptSuspend,           false); // only register window machines need this
duke@435: 
duke@435: define_pd_global(uintx, TLABSize,                 0);
duke@435: #ifdef AMD64
duke@435: define_pd_global(uintx, NewSize, ScaleForWordSize(2048 * K));
duke@435: // Very large C++ stack frames using solaris-amd64 optimized builds
duke@435: // due to lack of optimization caused by C++ compiler bugs
duke@435: define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
duke@435: #else
duke@435: define_pd_global(uintx, NewSize,                  1024 * K);
duke@435: define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
duke@435: #endif // AMD64
duke@435: define_pd_global(intx,  InlineFrequencyCount,     100);
duke@435: define_pd_global(intx,  PreInflateSpin,           10);
duke@435: 
duke@435: define_pd_global(intx, StackYellowPages, 2);
duke@435: define_pd_global(intx, StackRedPages, 1);
duke@435: 
duke@435: define_pd_global(bool, RewriteBytecodes,     true);
duke@435: define_pd_global(bool, RewriteFrequentPairs, true);