https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101822
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Last reconfirmed| |2021-08-08 Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED Severity|normal |enhancement CC| |pinskia at gcc dot gnu.org --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- MIne, phiopt is not working for this case: if (n_4(D) != 0) goto <bb 3>; [89.00%] else goto <bb 4>; [11.00%] <bb 3> [local count: 105119324]: _9 = __builtin_popcount (n_4(D)); count_13 = (uint32_t) _9; <bb 4> [local count: 118111600]: # count_12 = PHI <count_13(3), 0(2)> The code in phiopt for handling casts is not done correctly.