https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 98792, which changed state.
Bug 98792 Summary: Fail to use SHRN instructions for narrowing shift on aarch64 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98792 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED