https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95696
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2020-08-03 CC| |rsandifo at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #5 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- The SMS side of the problem is now fixed. Would you still like to fix the REG_UNUSED problem for non-SMS cases? If so, then as I mentioned in the mailing-list thread, I think it might be more robust to have a --param that makes regrename ignore REG_UNUSED notes altogether.