|
1
|
1 |
/*
|
|
3261
|
2 |
* Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved.
|
|
1
|
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 |
// Sets the default values for platform dependent flags used by the runtime system.
|
|
|
26 |
// (see globals.hpp)
|
|
|
27 |
|
|
4434
|
28 |
define_pd_global(bool, ConvertSleepToYield, true);
|
|
|
29 |
define_pd_global(bool, ShareVtableStubs, true);
|
|
|
30 |
define_pd_global(bool, CountInterpCalls, true);
|
|
|
31 |
define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
|
|
1
|
32 |
|
|
4434
|
33 |
define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
|
|
|
34 |
define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
|
|
1
|
35 |
|
|
|
36 |
// See 4827828 for this change. There is no globals_core_i486.hpp. I can't
|
|
|
37 |
// assign a different value for C2 without touching a number of files. Use
|
|
|
38 |
// #ifdef to minimize the change as it's late in Mantis. -- FIXME.
|
|
|
39 |
// c1 doesn't have this problem because the fix to 4858033 assures us
|
|
|
40 |
// the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
|
|
|
41 |
// the uep and the vep doesn't get real alignment but just slops on by
|
|
|
42 |
// only assured that the entry instruction meets the 5 byte size requirement.
|
|
|
43 |
#ifdef COMPILER2
|
|
4434
|
44 |
define_pd_global(intx, CodeEntryAlignment, 32);
|
|
1
|
45 |
#else
|
|
4434
|
46 |
define_pd_global(intx, CodeEntryAlignment, 16);
|
|
1
|
47 |
#endif // COMPILER2
|
|
4434
|
48 |
define_pd_global(intx, InlineFrequencyCount, 100);
|
|
|
49 |
define_pd_global(intx, InlineSmallCode, 1000);
|
|
1
|
50 |
|
|
4434
|
51 |
define_pd_global(intx, StackYellowPages, 2);
|
|
|
52 |
define_pd_global(intx, StackRedPages, 1);
|
|
1
|
53 |
#ifdef AMD64
|
|
|
54 |
// Very large C++ stack frames using solaris-amd64 optimized builds
|
|
|
55 |
// due to lack of optimization caused by C++ compiler bugs
|
|
|
56 |
define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
|
|
|
57 |
#else
|
|
|
58 |
define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
|
|
|
59 |
#endif // AMD64
|
|
|
60 |
|
|
4434
|
61 |
define_pd_global(intx, PreInflateSpin, 10);
|
|
1
|
62 |
|
|
|
63 |
define_pd_global(bool, RewriteBytecodes, true);
|
|
|
64 |
define_pd_global(bool, RewriteFrequentPairs, true);
|