https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81664
Daniel Fruzynski <bugzi...@poradnik-webmastera.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #5 from Daniel Fruzynski <bugzi...@poradnik-webmastera.com> --- OK, you are right. I assumed that movbe instruction can work on registers. After compiling your code movbe was generated. I also was mislead by your first response, I thought that you are talking about movbe instruction support in general, not about target attribute. So I am closing this issue.