21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
  26 #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
  27 
  28 // Size of Sparc Instructions
  29 const int BytesPerInstWord = 4;
  30 
  31 const int StackAlignmentInBytes = (2*wordSize);
  32 
  33 // Indicates whether the C calling conventions require that
  34 // 32-bit integer argument values are extended to 64 bits.
  35 const bool CCallingConventionRequiresIntsAsLongs = true;
  36 
  37 #define SUPPORTS_NATIVE_CX8
  38 
  39 // The expected size in bytes of a cache line, used to pad data structures.
  40 #if defined(TIERED)
  41   #ifdef _LP64
  42     // tiered, 64-bit, large machine
  43     #define DEFAULT_CACHE_LINE_SIZE 128
  44   #else
  45     // tiered, 32-bit, medium machine
  46     #define DEFAULT_CACHE_LINE_SIZE 64
  47   #endif
  48 #elif defined(COMPILER1)
  49   // pure C1, 32-bit, small machine
  50   #define DEFAULT_CACHE_LINE_SIZE 16
  51 #elif defined(COMPILER2) || defined(SHARK)
  52   #ifdef _LP64
  53     // pure C2, 64-bit, large machine
  54     #define DEFAULT_CACHE_LINE_SIZE 128
  55   #else
  56     // pure C2, 32-bit, medium machine
  57     #define DEFAULT_CACHE_LINE_SIZE 64
  58   #endif
  59 #endif
  60 
  61 #if defined(SOLARIS)
  62 #define SUPPORT_RESERVED_STACK_AREA
  63 #endif
  64 
  65 #endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP

  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
  26 #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
  27 
  28 // Size of Sparc Instructions
  29 const int BytesPerInstWord = 4;
  30 
  31 const int StackAlignmentInBytes = (2*wordSize);
  32 
  33 // Indicates whether the C calling conventions require that
  34 // 32-bit integer argument values are extended to 64 bits.
  35 const bool CCallingConventionRequiresIntsAsLongs = true;
  36 
  37 #define SUPPORTS_NATIVE_CX8
  38 
  39 // The expected size in bytes of a cache line, used to pad data structures.
  40 #if defined(TIERED)

  41   // tiered, 64-bit, large machine
  42   #define DEFAULT_CACHE_LINE_SIZE 128




  43 #elif defined(COMPILER1)
  44   // pure C1, 32-bit, small machine
  45   #define DEFAULT_CACHE_LINE_SIZE 16
  46 #elif defined(COMPILER2) || defined(SHARK)

  47   // pure C2, 64-bit, large machine
  48   #define DEFAULT_CACHE_LINE_SIZE 128




  49 #endif
  50 
  51 #if defined(SOLARIS)
  52 #define SUPPORT_RESERVED_STACK_AREA
  53 #endif
  54 
  55 #endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP