* tested */
# define NASAL_NAN64
#elif defined(_M_IX86) || defined(i386) || defined(__x86_64) || \
- defined(__ia64__) || defined(_M_IA64) || defined(__ARMEL__)
+ defined(__ia64__) || defined(_M_IA64) || defined(__ARMEL__) || \
+ defined(_M_X64)
# define NASAL_LE
#elif defined(__sparc) || defined(__ppc__) || defined(__PPC) || \
defined(__mips) || defined(__ARMEB__)