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On Sat, Jan 07, 2006 at 11:18:37AM +0000, David Laight wrote:
> On Fri, Jan 06, 2006 at 10:02:23PM -0500, Chapman Flack wrote:
> >=20
> > btw, speaking of machine instructions, is there anything like
> > a machine/bitstring.h (not named exactly that, I checked:))
> > or some other magic to use things like BFS on machines that
> > have it?
>=20
> Beware that even if a cpu has such an instruction, it may not be as
> fast as executing a series of other instructions!

The VAX has one - surprise, surprise -... but how fast is it emulated
on SIMH-VAX, compared to emulation of a series of VAX instructions? ;-)

	-is
--=20
seal your e-mail: http://www.gnupg.org/

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