P6 was normal microcoded architecture, very much not RISC-like, though. Especially with its 143 bit long instructions and memory-memory operands. Now, K5 was

P6 was normal microcoded architecture, very much not RISC-like, though. Especially with its 143 bit long instructions and memory-memory operands. Now, K5 was a different beast, with it's "microcode" being a frontend that converted x86 to AMD29k