CFINV Invert carry flag This instruction inverts the value of the PSTATE.C flag. This instruction is a data-independent-time instruction as described in About PSTATE.DIT. 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 (0) (0) (0) (0) 0 0 0 1 1 1 1 1 CFINV if !IsFeatureImplemented(FEAT_FlagM) then EndOfDecode(Decode_UNDEF); end; PSTATE.C = NOT(PSTATE.C); 2026-03-12 12:23:09 2025-09_rel_asl1