23  *
  24  */
  25 
  26 #ifndef CPU_AARCH64_VM_GLOBALS_AARCH64_HPP
  27 #define CPU_AARCH64_VM_GLOBALS_AARCH64_HPP
  28 
  29 #include "utilities/globalDefinitions.hpp"
  30 #include "utilities/macros.hpp"
  31 
  32 // Sets the default values for platform dependent flags used by the runtime system.
  33 // (see globals.hpp)
  34 
  35 define_pd_global(bool, ConvertSleepToYield,      true);
  36 define_pd_global(bool, ShareVtableStubs,         true);
  37 define_pd_global(bool, NeedsDeoptSuspend,        false); // only register window machines need this
  38 
  39 define_pd_global(bool, ImplicitNullChecks,       true);  // Generate code for implicit null checks
  40 define_pd_global(bool, TrapBasedNullChecks,  false);
  41 define_pd_global(bool, UncommonNullCast,         true);  // Uncommon-trap NULLs past to check cast
  42 
  43 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
  44 // assign a different value for C2 without touching a number of files. Use
  45 // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
  46 // c1 doesn't have this problem because the fix to 4858033 assures us
  47 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
  48 // the uep and the vep doesn't get real alignment but just slops on by
  49 // only assured that the entry instruction meets the 5 byte size requirement.
  50 #ifdef COMPILER2
  51 define_pd_global(intx, CodeEntryAlignment,       64);
  52 #else
  53 define_pd_global(intx, CodeEntryAlignment,       16);
  54 #endif // COMPILER2
  55 define_pd_global(intx, OptoLoopAlignment,        16);
  56 define_pd_global(intx, InlineFrequencyCount,     100);
  57 
  58 #define DEFAULT_STACK_YELLOW_PAGES (2)
  59 #define DEFAULT_STACK_RED_PAGES (1)
  60 #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  61 
  62 #define MIN_STACK_YELLOW_PAGES 1
  63 #define MIN_STACK_RED_PAGES    1
  64 #define MIN_STACK_SHADOW_PAGES 1
  65 
  66 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  67 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  68 define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  69 
  70 define_pd_global(bool, RewriteBytecodes,     true);

  23  *
  24  */
  25 
  26 #ifndef CPU_AARCH64_VM_GLOBALS_AARCH64_HPP
  27 #define CPU_AARCH64_VM_GLOBALS_AARCH64_HPP
  28 
  29 #include "utilities/globalDefinitions.hpp"
  30 #include "utilities/macros.hpp"
  31 
  32 // Sets the default values for platform dependent flags used by the runtime system.
  33 // (see globals.hpp)
  34 
  35 define_pd_global(bool, ConvertSleepToYield,      true);
  36 define_pd_global(bool, ShareVtableStubs,         true);
  37 define_pd_global(bool, NeedsDeoptSuspend,        false); // only register window machines need this
  38 
  39 define_pd_global(bool, ImplicitNullChecks,       true);  // Generate code for implicit null checks
  40 define_pd_global(bool, TrapBasedNullChecks,  false);
  41 define_pd_global(bool, UncommonNullCast,         true);  // Uncommon-trap NULLs past to check cast
  42 
  43 #if defined(COMPILER2) || INCLUDE_JVMCI







  44 define_pd_global(intx, CodeEntryAlignment,       64);
  45 #else
  46 define_pd_global(intx, CodeEntryAlignment,       16);
  47 #endif // COMPILER2
  48 define_pd_global(intx, OptoLoopAlignment,        16);
  49 define_pd_global(intx, InlineFrequencyCount,     100);
  50 
  51 #define DEFAULT_STACK_YELLOW_PAGES (2)
  52 #define DEFAULT_STACK_RED_PAGES (1)
  53 #define DEFAULT_STACK_SHADOW_PAGES (4 DEBUG_ONLY(+5))
  54 
  55 #define MIN_STACK_YELLOW_PAGES 1
  56 #define MIN_STACK_RED_PAGES    1
  57 #define MIN_STACK_SHADOW_PAGES 1
  58 
  59 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
  60 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
  61 define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);
  62 
  63 define_pd_global(bool, RewriteBytecodes,     true);