13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  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_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 #define SUPPORTS_NATIVE_CX8
  34 
  35 // The expected size in bytes of a cache line, used to pad data structures.
  36 #if defined(TIERED)
  37   #ifdef _LP64
  38     // tiered, 64-bit, large machine
  39     #define DEFAULT_CACHE_LINE_SIZE 128
  40   #else
  41     // tiered, 32-bit, medium machine
  42     #define DEFAULT_CACHE_LINE_SIZE 64
  43   #endif
  44 #elif defined(COMPILER1)
  45   // pure C1, 32-bit, small machine
  46   #define DEFAULT_CACHE_LINE_SIZE 16
  47 #elif defined(COMPILER2) || defined(SHARK)
  48   #ifdef _LP64
  49     // pure C2, 64-bit, large machine
  50     #define DEFAULT_CACHE_LINE_SIZE 128
  51   #else
  52     // pure C2, 32-bit, medium machine

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  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_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 = false;
  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