https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 120808, which changed state.
Bug 120808 Summary: SLP unable to combine .FMA and .FMS to VEC_FMADDSUB https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120808 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED