https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81916
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-08-22 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- The i386 backend already does this (in a slightly incorrect way), so you want to move this expansion to generic code?