https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66094
--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Created attachment 37371 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37371&action=edit Patch to handle matmul(a, transpose(b)) This very straightforward patch handles matmul(a, transpose(b)). I wonder if it would still be suitable for the current status on trunk...