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src/hotspot/cpu/zero/globals_zero.hpp

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  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_ZERO_GLOBALS_ZERO_HPP
  27 #define CPU_ZERO_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,  ShareVtableStubs,     true);
  36 
  37 define_pd_global(bool,  ImplicitNullChecks,   true);
  38 define_pd_global(bool,  TrapBasedNullChecks,  false);
  39 define_pd_global(bool,  UncommonNullCast,     true);
  40 


  41 define_pd_global(uintx, CodeCacheSegmentSize, 64 TIERED_ONLY(+64)); // Tiered compilation has large code-entry alignment.
  42 define_pd_global(intx,  CodeEntryAlignment,   32);
  43 define_pd_global(intx,  OptoLoopAlignment,    16);
  44 define_pd_global(intx,  InlineFrequencyCount, 100);
  45 define_pd_global(intx,  InlineSmallCode,      1000);
  46 
  47 // not used, but must satisfy following constraints:
  48 // 1.) <VALUE> must be in the allowed range for intx *and*
  49 // 2.) <VALUE> % BytesPerLong == 0 so as to not
  50 //     violate the constraint verifier on JVM start-up.
  51 define_pd_global(intx,  InitArrayShortSize,   0);
  52 
  53 #define DEFAULT_STACK_YELLOW_PAGES (2)
  54 #define DEFAULT_STACK_RED_PAGES (1)
  55 #define DEFAULT_STACK_SHADOW_PAGES (5 LP64_ONLY(+1) DEBUG_ONLY(+3))
  56 #define DEFAULT_STACK_RESERVED_PAGES (0)
  57 
  58 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  59 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  60 #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES




  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_ZERO_GLOBALS_ZERO_HPP
  27 #define CPU_ZERO_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,  ShareVtableStubs,     true);
  36 
  37 define_pd_global(bool,  ImplicitNullChecks,   true);
  38 define_pd_global(bool,  TrapBasedNullChecks,  false);
  39 define_pd_global(bool,  UncommonNullCast,     true);
  40 
  41 define_pd_global(bool, UseFastClassInitChecks, false); // not implemented
  42 
  43 define_pd_global(uintx, CodeCacheSegmentSize, 64 TIERED_ONLY(+64)); // Tiered compilation has large code-entry alignment.
  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 
  49 // not used, but must satisfy following constraints:
  50 // 1.) <VALUE> must be in the allowed range for intx *and*
  51 // 2.) <VALUE> % BytesPerLong == 0 so as to not
  52 //     violate the constraint verifier on JVM start-up.
  53 define_pd_global(intx,  InitArrayShortSize,   0);
  54 
  55 #define DEFAULT_STACK_YELLOW_PAGES (2)
  56 #define DEFAULT_STACK_RED_PAGES (1)
  57 #define DEFAULT_STACK_SHADOW_PAGES (5 LP64_ONLY(+1) DEBUG_ONLY(+3))
  58 #define DEFAULT_STACK_RESERVED_PAGES (0)
  59 
  60 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
  61 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
  62 #define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES


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