Bitfield functionality and related operations are even incorporated in many old CISC processors. The 680x0 family for instance, starting from the 68020 and up,

Bitfield functionality and related operations are even incorporated in many old CISC processors. The 680x0 family for instance, starting from the 68020 and up, released in 1984, has several opcodes for advanced bitfield manipulation of data/address registers as well as memory.