hotspot/src/cpu/zero/vm/globals_zero.hpp
author gziemski
Thu, 15 Oct 2015 13:34:21 -0500
changeset 33222 e0a340f4ab6e
parent 31783 dbc24ca25ee4
child 33628 09241459a8b8
permissions -rw-r--r--
8078556: Runtime: implement ranges (optionally constraints) for those flags that have them missing. Summary: JEP 245: implement ranges and constraints for runtime flags. Reviewed-by: coleenp, ddmitriev, jiangli, goetz Contributed-by: goetz.lindenmaier@sap.com, gerard.ziemski@oracle.com

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#ifndef CPU_ZERO_VM_GLOBALS_ZERO_HPP
#define CPU_ZERO_VM_GLOBALS_ZERO_HPP

#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,  NeedsDeoptSuspend,    false);

define_pd_global(bool,  ImplicitNullChecks,   true);
define_pd_global(bool,  TrapBasedNullChecks,  false);
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 DEFAULT_STACK_YELLOW_PAGES (2)
#define DEFAULT_STACK_RED_PAGES (1)
#define DEFAULT_STACK_SHADOW_PAGES (5 LP64_ONLY(+1) DEBUG_ONLY(+3))

#define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
#define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
#define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES

define_pd_global(intx,  StackYellowPages,     DEFAULT_STACK_YELLOW_PAGES);
define_pd_global(intx,  StackRedPages,        DEFAULT_STACK_RED_PAGES);
define_pd_global(intx,  StackShadowPages,     DEFAULT_STACK_SHADOW_PAGES);

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

define_pd_global(bool,  UseMembar,            true);

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

define_pd_global(uintx, TypeProfileLevel, 0);

define_pd_global(bool, PreserveFramePointer, false);

#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint)  \
                                                                            \
  product(bool, UseFastEmptyMethods, true,                                  \
          "Use fast method entry code for empty methods")                   \
                                                                            \
  product(bool, UseFastAccessorMethods, true,                               \
          "Use fast method entry code for accessor methods")                \
                                                                            \

#endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP