https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118650
Richard Sandiford <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rsandifo at gcc dot gnu.org --- Comment #5 from Richard Sandiford <rsandifo at gcc dot gnu.org> --- (In reply to Richard Biener from comment #4) > maybe also a thing for SSA backprop? Eliminating ops that only affect bits > masked by &? Or ops that only affect bits added by |? Yeah, did get some way to implementing that a while back, but it didn't seem to trigger very often, so I gave up on it :) Maybe worth trying again…