Re: Rep:Re: Rep:Re: [f-cpu] signed cmpl

[Michael Riepe <michael@stud.uni-hannover.de>]

On Wed, Dec 18, 2002 at 07:21:52PM +0100, Christophe Avoinne wrote:
> I think Nico wanted to say if our "gcc expert" can tell us if gcc often
> produces instructions where a 6-bit immediate is likely to be enough. If so,
> it can be a gain, if not, don't bother too much with a 6-bit immediate.

I don't think that it's a property of the compiler - it depends on the
code you compile. 6 bits isn't enough to encode ASCII, for example -
so if you deal with character values a lot, 8 bits would be much
better.

-- 
 Michael "Tired" Riepe <Michael.Riepe@stud.uni-hannover.de>
 "All I wanna do is have a little fun before I die"
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