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[Bug fortran/37131] inline matmul for small matrix sizes
- From: "tkoenig at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 2 Jan 2011 23:20:16 +0000
- Subject: [Bug fortran/37131] inline matmul for small matrix sizes
- Auto-submitted: auto-generated
- References: <bug-37131-4@http.gcc.gnu.org/bugzilla/>
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.