globals_zero.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26// Set the default values for platform dependent flags used by the 27// runtime system. See globals.hpp for details of what they do. 28 29define_pd_global(bool, ConvertSleepToYield, true); 30define_pd_global(bool, ShareVtableStubs, true); 31define_pd_global(bool, CountInterpCalls, true); 32define_pd_global(bool, NeedsDeoptSuspend, false); 33 34define_pd_global(bool, ImplicitNullChecks, true); 35define_pd_global(bool, UncommonNullCast, true); 36 37define_pd_global(intx, CodeEntryAlignment, 32); 38define_pd_global(intx, OptoLoopAlignment, 16); 39define_pd_global(intx, InlineFrequencyCount, 100); 40define_pd_global(intx, PreInflateSpin, 10); 41 42define_pd_global(intx, StackYellowPages, 2); 43define_pd_global(intx, StackRedPages, 1); 44define_pd_global(intx, StackShadowPages, 5 LP64_ONLY(+1) DEBUG_ONLY(+3)); 45 46define_pd_global(bool, RewriteBytecodes, true); 47define_pd_global(bool, RewriteFrequentPairs, true); 48