https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65871
--- Comment #4 from James Almer <jamrial at gmail dot com> --- (In reply to Uroš Bizjak from comment #3) > Please see the patch, attached in Comment #2. > > While I can see the use (and benefit) to model the patterns that also set CC > register internally for BEXTR and BZHI instructions, I don't think other > listed instructions have clear usage scenarios to warrant additional > patterns. > > Can you perhaps show the benefit to have more insns modelled this way? Not really, i simply assumed that taking into consideration what flags these instructions affected in every case was the intended behavior, so figured it was worth pointing them out. I'm mainly interested in bzhi (and by extension bextr).
