On Wed, Dec 20, 2017 at 02:39:26PM +0000, David Laight wrote: > With minor changes it ought to be possible to remove most of the > 64bit arithmetic and shifts. > > If you care about performance then using 32 bit maths will be much faster.
Some, u64 add/sub/shift isn't exactly expensive, but yes, I also indicated that improvement is possible. At the very least y can be made a u32 I suppose.
