[Bug fortran/37131] inline matmul for small matrix sizes

[tkoenig at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37131

--- Comment #14 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2011-01-02 23:20:07 UTC ---
Created attachment 22883
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22883
matmul loops that vectorize

Here's how we could make the different matmul loops look like
for different transpose cases.  The inner loops vectorize, at least
with --fast-math.

The last one needs a different temp strategy for vectorization.