https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100738
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Severity|normal |enhancement --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- One thing is VCE<~A> should be converted to ~VCE<A> which might allow ~B < 0 to be converted to B >= 0. On RTL, it might be useful to still simplify: (subreg (not op3) 0) To: (not (subreg op3 0))