https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60048
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-08-27 Ever confirmed|0 |1 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed, -march= should be in dg-options because Intel tunes for using integer opcodes while AMD tunes using the floating point vector opcodes. Both sources will do the same thing in the end, just which unit might be used internally of the processor. That is vpand is the same as vpands.