# define PURE
# endif
-#define FASTCALL
+# if defined(__i386__) && defined(__GNUC__) && !defined(__CYGWIN__) && !defined(__MINGW32__)
+# define FASTCALL __attribute__((fastcall))
+# else
+# define FASTCALL
+# endif
# if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
# define INTERNAL __attribute__((visibility("internal")))