globalDefinitions_sparc.hpp revision 9801:80f8be586fae 
1/*
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24
25#ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
26#define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
27
28// Size of Sparc Instructions
29const int BytesPerInstWord = 4;
30
31const 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.
35const 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
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
66