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annotate src/cpu/x86/vm/globals_x86.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
author | trims |
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date | Thu, 27 May 2010 19:08:38 -0700 |
parents | 6476042f815c |
children | 3dc12ef8735e |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2009, Oracle and/or its affiliates. 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // Sets the default values for platform dependent flags used by the runtime system. | |
26 // (see globals.hpp) | |
27 | |
1064 | 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 | |
0 | 32 |
1064 | 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 | |
0 | 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 | |
1064 | 44 define_pd_global(intx, CodeEntryAlignment, 32); |
0 | 45 #else |
1064 | 46 define_pd_global(intx, CodeEntryAlignment, 16); |
0 | 47 #endif // COMPILER2 |
1365 | 48 define_pd_global(intx, OptoLoopAlignment, 16); |
1064 | 49 define_pd_global(intx, InlineFrequencyCount, 100); |
50 define_pd_global(intx, InlineSmallCode, 1000); | |
0 | 51 |
1064 | 52 define_pd_global(intx, StackYellowPages, 2); |
53 define_pd_global(intx, StackRedPages, 1); | |
0 | 54 #ifdef AMD64 |
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(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); | |
60 #endif // AMD64 | |
61 | |
1064 | 62 define_pd_global(intx, PreInflateSpin, 10); |
0 | 63 |
64 define_pd_global(bool, RewriteBytecodes, true); | |
65 define_pd_global(bool, RewriteFrequentPairs, true); |