https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123010
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- addw has an implicit sign extend to 64bit mode.
pinskia at gcc dot gnu.org via Gcc-bugs Thu, 04 Dec 2025 10:59:46 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123010
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- addw has an implicit sign extend to 64bit mode.