Mercurial > hg > truffle
annotate src/cpu/x86/vm/globals_x86.hpp @ 5153:57546200db29
fixed comment and error message in commands.py
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 23 Mar 2012 13:33:56 +0100 |
parents | 15085a6eb50c |
children | a5dd6e3ef9f3 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2011, 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_GLOBALS_X86_HPP |
26 #define CPU_X86_VM_GLOBALS_X86_HPP | |
27 | |
28 #include "utilities/globalDefinitions.hpp" | |
29 #include "utilities/macros.hpp" | |
30 | |
0 | 31 // Sets the default values for platform dependent flags used by the runtime system. |
32 // (see globals.hpp) | |
33 | |
1064 | 34 define_pd_global(bool, ConvertSleepToYield, true); |
35 define_pd_global(bool, ShareVtableStubs, true); | |
36 define_pd_global(bool, CountInterpCalls, true); | |
37 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this | |
0 | 38 |
1064 | 39 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks |
40 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast | |
0 | 41 |
42 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't | |
43 // assign a different value for C2 without touching a number of files. Use | |
44 // #ifdef to minimize the change as it's late in Mantis. -- FIXME. | |
45 // c1 doesn't have this problem because the fix to 4858033 assures us | |
46 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns | |
47 // the uep and the vep doesn't get real alignment but just slops on by | |
48 // only assured that the entry instruction meets the 5 byte size requirement. | |
49 #ifdef COMPILER2 | |
1064 | 50 define_pd_global(intx, CodeEntryAlignment, 32); |
0 | 51 #else |
1064 | 52 define_pd_global(intx, CodeEntryAlignment, 16); |
0 | 53 #endif // COMPILER2 |
1365 | 54 define_pd_global(intx, OptoLoopAlignment, 16); |
1064 | 55 define_pd_global(intx, InlineFrequencyCount, 100); |
56 define_pd_global(intx, InlineSmallCode, 1000); | |
0 | 57 |
1064 | 58 define_pd_global(intx, StackYellowPages, 2); |
59 define_pd_global(intx, StackRedPages, 1); | |
0 | 60 #ifdef AMD64 |
61 // Very large C++ stack frames using solaris-amd64 optimized builds | |
62 // due to lack of optimization caused by C++ compiler bugs | |
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63 define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(+2)); |
0 | 64 #else |
4942 | 65 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5)); |
0 | 66 #endif // AMD64 |
67 | |
1064 | 68 define_pd_global(intx, PreInflateSpin, 10); |
0 | 69 |
70 define_pd_global(bool, RewriteBytecodes, true); | |
71 define_pd_global(bool, RewriteFrequentPairs, true); | |
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72 |
3960 | 73 #ifdef _ALLBSD_SOURCE |
74 define_pd_global(bool, UseMembar, true); | |
75 #else | |
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76 define_pd_global(bool, UseMembar, false); |
3960 | 77 #endif |
1972 | 78 |
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79 // GC Ergo Flags |
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80 define_pd_global(intx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread |
1972 | 81 #endif // CPU_X86_VM_GLOBALS_X86_HPP |