/* Intel x86 (32-bit), x64 (64-bit) or x32 (64-bit but 32-bit pointers),
 * define only one of DUK_F_X86, DUK_F_X64, DUK_F_X32.
 * https://sites.google.com/site/x32abi/
 *
 * With DUK_F_OLD_SOLARIS the <sys/isa_defs.h> header must be included
 * before this.
 */
#if defined(__amd64__) || defined(__amd64) || \
    defined(__x86_64__) || defined(__x86_64) || \
    defined(_M_X64) || defined(_M_AMD64)
#if defined(__ILP32__) || defined(_ILP32)
#define DUK_F_X32
#else
#define DUK_F_X64
#endif
#elif defined(i386) || defined(__i386) || defined(__i386__) || \
      defined(__i486__) || defined(__i586__) || defined(__i686__) || \
      defined(__IA32__) || defined(_M_IX86) || defined(__X86__) || \
      defined(_X86_) || defined(__THW_INTEL__) || defined(__I86__)
#if defined(__LP64__) || defined(_LP64)
/* This should not really happen, but would indicate x64. */
#define DUK_F_X64
#else
#define DUK_F_X86
#endif
#endif