XNOR

Format: XNOR dest, source1, source2, source3, source4.

Phase0: -

Phase1: XNOR FT4, (FT1|_), FT2, (FT1.INVERT|_), S3

Phase2: -

Description: Bitwise XNOR

FT1 is bit mask

FT4 = {FT1 &} FT2 XNOR {~FT1 &} S3