globals_zero.hpp revision 5776:de6a9e811145 
1/*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
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24 */
25
26#ifndef CPU_ZERO_VM_GLOBALS_ZERO_HPP
27#define CPU_ZERO_VM_GLOBALS_ZERO_HPP
28
29#include "utilities/globalDefinitions.hpp"
30#include "utilities/macros.hpp"
31
32// Set the default values for platform dependent flags used by the
33// runtime system.  See globals.hpp for details of what they do.
34
35define_pd_global(bool,  ConvertSleepToYield,  true);
36define_pd_global(bool,  ShareVtableStubs,     true);
37define_pd_global(bool,  CountInterpCalls,     true);
38define_pd_global(bool,  NeedsDeoptSuspend,    false);
39
40define_pd_global(bool,  ImplicitNullChecks,   true);
41define_pd_global(bool,  UncommonNullCast,     true);
42
43define_pd_global(intx,  CodeEntryAlignment,   32);
44define_pd_global(intx,  OptoLoopAlignment,    16);
45define_pd_global(intx,  InlineFrequencyCount, 100);
46define_pd_global(intx,  PreInflateSpin,       10);
47
48define_pd_global(intx,  StackYellowPages,     2);
49define_pd_global(intx,  StackRedPages,        1);
50define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));
51
52define_pd_global(bool,  RewriteBytecodes,     true);
53define_pd_global(bool,  RewriteFrequentPairs, true);
54
55define_pd_global(bool,  UseMembar,            true);
56
57// GC Ergo Flags
58define_pd_global(uintx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
59
60define_pd_global(uintx, TypeProfileLevel, 0);
61
62#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)
63
64#endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP
65