https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77776
--- Comment #5 from emsr at gcc dot gnu.org --- Right. fma is irrelevant. I will wind up with sqrt(1 + __lo). I won't hope that max * __scale == 1 here but just add 1. And why waste the partial sort? New patch tomorrow a.m. (I guess I'm too late though.)