https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98425
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note your optimum code is wrong. movl %esi, %eax Is a zero extend.
pinskia at gcc dot gnu.org via Gcc-bugs Wed, 23 Dec 2020 02:30:22 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98425
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note your optimum code is wrong. movl %esi, %eax Is a zero extend.