hash and bitrotate (was: hash resizing bug)

[Eric Blake]

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According to Eric Blake on 6/18/2009 1:00 PM:
>> Then we can use this:
> 
>>       val = rotr<something> (val, 3);
> 
> For rotr64, it is probably superfluous; but for sizes smaller than int
> smaller sizes it makes a difference.  I think that warrants a separate
> patch, since it also changes the dependencies for hash.c, as well as
> touching the bitrotate module.  But it does sound like a nice idea.

I missed some context there.  What I meant was that the '& nnn_MAX' is
superfluous for uint64_t in bitrotate.h.  But the use of rotr<something>
in hash.c is a good idea.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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