[patch, fortran] Reduce stack use in blocked matmul

[Andreas Schwab]

On Mai 10 2017, Thomas Koenig <tkoenig@netcologne.de> wrote:

> If you manage to come up with a legal Fortran testcas which
> sets b_dim1 to 0xdeadbeef, I owe you a beer :-)

grep is your friend.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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