https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115589
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |inline-asm --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- variables that are assigned register x21-x23, and gcc generates * code that uses these registers as temporaries without saving Iirc this is not the use of local register variables.