https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109892
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Last reconfirmed| |2023-05-17 Status|UNCONFIRMED |NEW Severity|normal |enhancement --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed. I Notice that clang/LLVM does not vectorize the __builtin_fma either. I also noticed for aarch64, GCC does not use faddp for the final reduction (but I saw there was a patch submitted for that in 2021 but had not been updated for the comments on it ...).