https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68664
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |7.0 Summary|[6/7 Regression] |[6 Regression] Speculative |Speculative sqrt in c-ray |sqrt in c-ray main loop |main loop causes large slow |causes large slow down |down | --- Comment #28 from ktkachov at gcc dot gnu.org --- Fixed on arm and aarch64 for GCC 7. I'm not sure if it's appropriate to backport. Should this PR be closed now?