On Mer, 2003-04-30 at 17:16, Linus Torvalds wrote:
> Clearly you're not going to make _one_ load to get fls, since having a
> 4GB lookup array for a 32-bit fls would be "somewhat" wasteful.
It ought to be basically the same as ffs because if I remember rightly
ffs(x^(x-1)) == fls(x)
Been a long time so I may have it wrong
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This archive was generated by hypermail 2b29 : Wed Apr 30 2003 - 22:00:36 EST