/* * Copyright 2000-2009 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, NeedsDeoptSuspend, false); // only register window machines need thisdefine_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checksdefine_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 COMPILER2define_pd_global(intx, CodeEntryAlignment, 32);#elsedefine_pd_global(intx, CodeEntryAlignment, 16);#endif // COMPILER2define_pd_global(intx, InlineFrequencyCount, 100);define_pd_global(intx, InlineSmallCode, 1000);define_pd_global(intx, StackYellowPages, 2);define_pd_global(intx, StackRedPages, 1);#ifdef AMD64// Very large C++ stack frames using solaris-amd64 optimized builds// due to lack of optimization caused by C++ compiler bugsdefine_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));#elsedefine_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));#endif // AMD64define_pd_global(intx, PreInflateSpin, 10);define_pd_global(bool, RewriteBytecodes, true);define_pd_global(bool, RewriteFrequentPairs, true);