https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51119
--- Comment #26 from Janne Blomqvist <jb at gcc dot gnu.org> --- (In reply to Thomas Koenig from comment #15) > Another issue: What should we do if the user supplies an external > subroutine DGEMM which does something unrelated? > > I suppose we should then make DGEMM (and SGEMM) an intrinsic subroutine. Indeed, this is a potential problem. Another related problem is that, apparently, framework Accelerate on OSX uses the f2c ABI. This at least can be worked around by instead using the cblas API (and hence the C ABI), which most BLAS implementations provide anyway.
