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src/hotspot/cpu/sparc/globalDefinitions_sparc.hpp

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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP
  26 #define CPU_SPARC_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 #define CPU_MULTI_COPY_ATOMIC
  40 
  41 // The expected size in bytes of a cache line, used to pad data structures.
  42 #if defined(TIERED)
  43   // tiered, 64-bit, large machine
  44   #define DEFAULT_CACHE_LINE_SIZE 128
  45 #elif defined(COMPILER1)
  46   // pure C1, 32-bit, small machine
  47   #define DEFAULT_CACHE_LINE_SIZE 16
  48 #elif defined(COMPILER2)
  49   // pure C2, 64-bit, large machine
  50   #define DEFAULT_CACHE_LINE_SIZE 128
  51 #endif
  52 
  53 #if defined(SOLARIS)
  54 #define SUPPORT_RESERVED_STACK_AREA
  55 #endif
  56 
  57 // SPARC have implemented the local polling
  58 #define THREAD_LOCAL_POLL
  59 
  60 #endif // CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP


  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP
  26 #define CPU_SPARC_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)
  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 // SPARC have implemented the local polling
  56 #define THREAD_LOCAL_POLL
  57 
  58 #endif // CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP
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