https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80013
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
790 0a6d 31C9 xor ecx, ecx /* Since the 1st argument is a
pointer type, Isn't this suppose to be rcx? */
xor will zero extend the register to 64bit.
So this is still the smallest way to zero a register even in 64bit.
