https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 97984, which changed state.
Bug 97984 Summary: [11 Regression] Worse code for -O3 than -O2 on aarch64 vector multiply-add https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97984 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED