[Patch, fortran] PR28005 - gfortran: matmul produces wrong result
Janne Blomqvist
jblomqvi@cc.hut.fi
Sat Jun 24 21:22:00 GMT 2006
On Fri, Jun 23, 2006 at 06:03:06AM +0200, Paul Thomas wrote:
> FX Coudert wrote:
>
> >2006-06-14 Paul Thomas <pault@gcc.gnu.org>
> >
> >>
> >> PR fortran/28005
> >> * gfortran.dg/matmul_3.f90: New test.
> >
> >
> >OK.
>
> This patch did not apply to 4.1 at all. The computational core has
> diverged totally. Since this PR wasa numerical error on good code, I
> suggest that we should do something about it. Would there be any
> objection if I copied trunk's matmul into 4.1's?
The 4.1 compiler can IIRC still generate code that sets stride=0. The
check and correction for this was removed from trunk, so perhaps you
should take care of including these again if you want to backport to
4.1.
--
Janne Blomqvist
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