http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49302
--- Comment #3 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2011-06-07 12:08:17 UTC --- (In reply to comment #2) > I'll have a look. With -ffast-math, cabs is converted to > sqrt(pow(rpart,2.0),pow(ipart,2.0)). Not sure yet why the pow calls aren't > converted back to x*x form. We may have to restore just that transformation > to > the expander for builtin pow. Will dig deeper today. Too early to be typing. Of course I meant sqrt(pow(rpart,2.0)+pow(ipart,2.0)).
