-#ifndef U64TYPE
-/* This probably isn't going to work, but failing with a compiler error due to
- lack of uint64_t is no worse than failing right now with an #error. */
-#define U64TYPE uint64_t
-#endif
-
-
-#define ROTL64(x,b) (U64TYPE)( ((x) << (b)) | ( (x) >> (64 - (b))) )
-