Mercurial > hg > graal-compiler
view src/cpu/x86/vm/globals_x86.hpp @ 87:ad0b851458ff jdk7-b26
Merge
author | trims |
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date | Tue, 22 Apr 2008 15:36:18 -0700 |
parents | a61af66fc99e |
children | f6da6f0174ac |
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/* * 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);