HIRLAM and -ftree-loop-linear
Toon Moene
toon@moene.indiv.nluug.nl
Mon Dec 17 22:45:00 GMT 2007
I wrote:
> Dorit Nuzman wrote:
>
>> any chance you kept the dumps and can report which loops were not
>> vectorized/recognized with -ftree-loop-linear (so we could see if these
>> represent missed vectorization opportunities?)
>
> It's a bit much to send you everything, so I'll just send you the diff +
> two routines (from blas/lapack) that had differences (one positive, one
> negative).
Sigh, dgeev.f is the positive one (i.e., -ftree-loop-linear vectorized
more loops - attached).
--
Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
At home: http://moene.indiv.nluug.nl/~toon/
GNU Fortran's path to Fortran 2003: http://gcc.gnu.org/wiki/Fortran2003
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