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.
  23  *
  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 
  35 define_pd_global(bool,  ConvertSleepToYield,  true);
  36 define_pd_global(bool,  ShareVtableStubs,     true);
  37 define_pd_global(bool,  CountInterpCalls,     true);
  38 define_pd_global(bool,  NeedsDeoptSuspend,    false);
  39 
  40 define_pd_global(bool,  ImplicitNullChecks,   true);
  41 define_pd_global(bool,  TrapBasedNullChecks,  false);
  42 define_pd_global(bool,  UncommonNullCast,     true);
  43 
  44 define_pd_global(intx,  CodeEntryAlignment,   32);
  45 define_pd_global(intx,  OptoLoopAlignment,    16);
  46 define_pd_global(intx,  InlineFrequencyCount, 100);
  47 define_pd_global(intx,  InlineSmallCode,      1000 );
  48 define_pd_global(intx,  PreInflateSpin,       10);
  49 
  50 define_pd_global(intx,  StackYellowPages,     2);
  51 define_pd_global(intx,  StackRedPages,        1);
  52 define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));
  53 
  54 define_pd_global(bool,  RewriteBytecodes,     true);
  55 define_pd_global(bool,  RewriteFrequentPairs, true);
  56 
  57 define_pd_global(bool,  UseMembar,            true);
  58 
  59 // GC Ergo Flags
  60 define_pd_global(size_t, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
  61 
  62 define_pd_global(uintx, TypeProfileLevel, 0);
  63 
  64 define_pd_global(bool, PreserveFramePointer, false);
  65 
  66 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint)  \
  67                                                                             \
  68   product(bool, UseFastEmptyMethods, true,                                  \

  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.
  23  *
  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 
  35 define_pd_global(bool,  ConvertSleepToYield,  true);
  36 define_pd_global(bool,  ShareVtableStubs,     true);

  37 define_pd_global(bool,  NeedsDeoptSuspend,    false);
  38 
  39 define_pd_global(bool,  ImplicitNullChecks,   true);
  40 define_pd_global(bool,  TrapBasedNullChecks,  false);
  41 define_pd_global(bool,  UncommonNullCast,     true);
  42 
  43 define_pd_global(intx,  CodeEntryAlignment,   32);
  44 define_pd_global(intx,  OptoLoopAlignment,    16);
  45 define_pd_global(intx,  InlineFrequencyCount, 100);
  46 define_pd_global(intx,  InlineSmallCode,      1000 );

  47 
  48 define_pd_global(intx,  StackYellowPages,     2);
  49 define_pd_global(intx,  StackRedPages,        1);
  50 define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));
  51 
  52 define_pd_global(bool,  RewriteBytecodes,     true);
  53 define_pd_global(bool,  RewriteFrequentPairs, true);
  54 
  55 define_pd_global(bool,  UseMembar,            true);
  56 
  57 // GC Ergo Flags
  58 define_pd_global(size_t, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
  59 
  60 define_pd_global(uintx, TypeProfileLevel, 0);
  61 
  62 define_pd_global(bool, PreserveFramePointer, false);
  63 
  64 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint)  \
  65                                                                             \
  66   product(bool, UseFastEmptyMethods, true,                                  \