Re: [PATCH] arch/tile: Rename the hweight() implementations to __arch_hweight().

[Mike Frysinger]

On Fri, Aug 13, 2010 at 20:32, Chris Metcalf wrote:
> Mike, thanks for the pointer to the hweight issue. ÂSince we are using
> __builtin_popcount() and the compiler can do constant propagation, etc.,
> with it at compile-time, this is less critical, but it seems like the
> easiest way to get the definitions of the HWEIGHT macros.

interesting ... i wasnt aware of the popcount builtin.  the Blackfin
ISA has a "ONES" insn which does this.  guess we should implement the
popcount builtin too.
-mike
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