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Re: [RS6000 PATCH] Improved popcount/parity intrinsics for Power6

Eric Botcazou <ebotcazou@libertysurf.fr> writes:

> > I'm happy to change these to "" if folks find that more readable?
> 
> More helpful to the beginner I'd say, they just add confusion.  You can always 
> use a comment to disambiguate things instead.

Personally I prefer meaningful constraints in define_expand, as a
comment, but I don't feel very strongly about it.  If we prefer to not
use the constraint strings with define_expand, then perhaps we should
change the gen* programs to not require them.

Ian
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