patch to improve x86_adjust_cost

[Jan Hubicka]

> On Tue, Apr 13, 1999 at 04:00:48PM +0200, Jan Hubicka wrote:
> > 	* i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
> > 	requires value to be ready one extra cycle.
> 
> > ! 	return 3;
> > --- 5594,5600 ----
> > ! 	return 2;
> 
> How can I tell?  Shouldn't this just be cost+1 then?

I think cost can be 0, and AGI stall have to be at least 2, so
it can be
if (!cost) return 2; else return cost+1;
but cost is always 0 or 1 for integer instructions or not?

Honza
> 
> 
> r~

-- 
                       OK. Lets make a signature file.
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|        Jan Hubicka (Jan Hubi\v{c}ka in TeX) hubicka@freesoft.cz         |
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