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
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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 #define OM_CACHE_LINE_SIZE 64
46 #elif defined(COMPILER1)
47 // pure C1, 32-bit, small machine
48 #define DEFAULT_CACHE_LINE_SIZE 16
49 #elif defined(COMPILER2)
50 // pure C2, 64-bit, large machine
51 #define DEFAULT_CACHE_LINE_SIZE 128
52 #define OM_CACHE_LINE_SIZE 64
53 #endif
54
55 #if defined(SOLARIS)
56 #define SUPPORT_RESERVED_STACK_AREA
57 #endif
58
59 // SPARC have implemented the local polling
60 #define THREAD_LOCAL_POLL
61
62 #endif // CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP
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