https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 57169, which changed state.
Bug 57169 Summary: fully unrolled matrix multiplication not vectorized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57169 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED
