https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63318
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> --- Your inline-asm is not reading from the string according to the constraints which is why GCC does not emit the copy into hello.