https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -fno-trapping-math removes the zeroing of the top half of the registers.