https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99620
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-linux-gnu --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This works on aarch64: _Z8sub_good4u128S_: .LFB0: .cfi_startproc subs x0, x0, x2 sbc x1, x1, x3 ret ..... _Z7sub_bad4u128S_: .LFB1: .cfi_startproc subs x0, x0, x2 sbc x1, x1, x3 ret