1 /* NEC LE-IT: For 64Bit OS we extend the double type to hold two int64's
3 * x86-64: __m128 serves as placeholder which also requires the compiler
4 * to align it on 16 byte boundary (as required by cmpxchg16.
5 * Similar things could be done for PowerPC 64bit using a VMX data type... */
8 # if defined(__x86_64__)
10 typedef __m128 double_ptr_storage;
11 # define AO_HAVE_DOUBLE_PTR_STORAGE
12 # endif /* __x86_64__ */
17 typedef __m128 double_ptr_storage;
18 # define AO_HAVE_DOUBLE_PTR_STORAGE
20 typedef unsigned __int64 double_ptr_storage;
21 # define AO_HAVE_DOUBLE_PTR_STORAGE
25 #ifndef AO_HAVE_DOUBLE_PTR_STORAGE
26 typedef unsigned long long double_ptr_storage;
30 double_ptr_storage AO_whole;
31 struct {AO_t AO_v1; AO_t AO_v2;} AO_parts;
34 #define AO_HAVE_double_t
35 #define AO_val1 AO_parts.AO_v1
36 #define AO_val2 AO_parts.AO_v2