|
0
|
1 /*
|
|
844
|
2 * Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved.
|
|
0
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 //
|
|
|
26 // Sets the default values for platform dependent flags used by the runtime system.
|
|
|
27 // (see globals.hpp)
|
|
|
28 //
|
|
|
29
|
|
|
30 define_pd_global(bool, ConvertSleepToYield, true);
|
|
|
31 define_pd_global(bool, ShareVtableStubs, true);
|
|
|
32 define_pd_global(bool, CountInterpCalls, true);
|
|
|
33
|
|
|
34 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
|
|
|
35 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
|
|
|
36
|
|
|
37 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
|
|
|
38 // assign a different value for C2 without touching a number of files. Use
|
|
|
39 // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
|
|
|
40 // c1 doesn't have this problem because the fix to 4858033 assures us
|
|
|
41 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
|
|
|
42 // the uep and the vep doesn't get real alignment but just slops on by
|
|
|
43 // only assured that the entry instruction meets the 5 byte size requirement.
|
|
|
44 #ifdef COMPILER2
|
|
|
45 define_pd_global(intx, CodeEntryAlignment, 32);
|
|
|
46 #else
|
|
|
47 define_pd_global(intx, CodeEntryAlignment, 16);
|
|
|
48 #endif // COMPILER2
|
|
|
49
|
|
|
50 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
|
|
|
51
|
|
|
52 define_pd_global(uintx, TLABSize, 0);
|
|
|
53 #ifdef AMD64
|
|
|
54 define_pd_global(uintx, NewSize, ScaleForWordSize(2048 * K));
|
|
|
55 // Very large C++ stack frames using solaris-amd64 optimized builds
|
|
|
56 // due to lack of optimization caused by C++ compiler bugs
|
|
|
57 define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
|
|
|
58 #else
|
|
|
59 define_pd_global(uintx, NewSize, 1024 * K);
|
|
|
60 define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
|
|
|
61 #endif // AMD64
|
|
|
62 define_pd_global(intx, InlineFrequencyCount, 100);
|
|
675
|
63 define_pd_global(intx, InlineSmallCode, 1000);
|
|
0
|
64 define_pd_global(intx, PreInflateSpin, 10);
|
|
|
65
|
|
|
66 define_pd_global(intx, StackYellowPages, 2);
|
|
|
67 define_pd_global(intx, StackRedPages, 1);
|
|
|
68
|
|
|
69 define_pd_global(bool, RewriteBytecodes, true);
|
|
|
70 define_pd_global(bool, RewriteFrequentPairs, true);
|
