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Re: -freduce-all-givs and fortran


Toon Moene <moene@knmi.nl> writes:

>> Using -fno-move-all-movables  -fno-reduce-all-givs is a 
>> performance gain for 171.swim and 200.sixtrack but pessimizes 
>> 172.[m]grid and 173.app[lu], 168.wupwise is indifferent.
>
> Fascinating ... Do 171.swim and 200.sixtrack profit from loop
> optimization *at all* ?  What happens if you use
>
> -O2 -march=athlon -malign-double -fno-strength-reduce

I'll run some tests later.  Anything else you like to see tested for
those two?

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj


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