view src/cpu/zero/vm/globals_zero.hpp @ 5819:39f4affc6564

8143245: Zero build requires disabled warnings 8022956: Clang: enable return type warnings on BSD Summary: Based on work of Severin Gehwolf <> & Christian Thalinger <> with additions for 7-only cases Reviewed-by: dholmes, coleenp, sla
author andrew
date Tue, 13 Feb 2018 06:42:27 +0000
parents de5e8c8a9b87
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"

// Set the default values for platform dependent flags used by the
// runtime system.  See globals.hpp for details of what they do.

define_pd_global(bool,  ConvertSleepToYield,  true);
define_pd_global(bool,  ShareVtableStubs,     true);
define_pd_global(bool,  CountInterpCalls,     true);
define_pd_global(bool,  NeedsDeoptSuspend,    false);

define_pd_global(bool,  ImplicitNullChecks,   true);
define_pd_global(bool,  UncommonNullCast,     true);

define_pd_global(intx,  CodeEntryAlignment,   32);
define_pd_global(intx,  OptoLoopAlignment,    16);
define_pd_global(intx,  InlineFrequencyCount, 100);
define_pd_global(intx,  InlineSmallCode,      1000 );
define_pd_global(intx,  PreInflateSpin,       10);

define_pd_global(intx,  StackYellowPages,     2);
define_pd_global(intx,  StackRedPages,        1);
define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));

define_pd_global(bool,  RewriteBytecodes,     true);
define_pd_global(bool,  RewriteFrequentPairs, true);

define_pd_global(bool,  UseMembar,            true);
define_pd_global(bool,  UseMembar,            false);

// GC Ergo Flags
define_pd_global(intx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread

// Platform dependent flag handling: flags only defined on this platform.
#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)  \
  develop(bool, TrapBasedNullChecks, false,                                 \
          "Not supported on this platform.")                                \
  develop(bool, TrapBasedRangeChecks, false,                                \
          "Not supported on this platform.")                                \