[Patch, Fortran] PR56318 - Fix MATMUL regression

Richard Biener richard.guenther@gmail.com
Thu Feb 14 14:52:00 GMT 2013


On Thu, Feb 14, 2013 at 3:50 PM, Tobias Burnus <burnus@net-b.de> wrote:
> This patch fixes the matmul bug, which was reported this morning. Seemingly,
> the code never worked correctly.
>
> Regarding the result patch: Mikael and I came independently to the same
> result thus it must be right (or not?); additionally, I tested and found out
> that matrix-scalar/scalar-matrix was mishandled.
>
> Build and regtested on x86-64-gnu-linux.
> OK for the trunk and the 4.6 and 4.7 branches? (I think we can ignore 4.5,
> can we?)

The 4.5 branch is closed.

Richard.

> Tobias
>
> PS: There is another bug, which prevents the simplification in some cases
> (see PR), as it only results in a missed optimization (or reject valid in
> constant expressions), I defer this to another patch.



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