Re: [PATCH] Add __builtin_popcountl

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On Thu, 26 Oct 2006, Al Viro wrote:
> 
> AFAICS, that's way over the top.  That kind of stuff is needed only
> when builtin can't be described as a normal function.  This, OTOH...

On the other hand, adding "true" builtin functions is actually a lot 
cheaper than adding bogus code to be parsed explicitly.

So I'd actually prefer a way to have a table to describe and initialize 
these things, as a way to make it a lot more efficient, and without the 
silly preprocessor buffer hacks..

The preprocessor hack is certainly simple, but it's not what you really 
want in real life.

		Linus
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