| /* |
| * 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); |
