MMX Logical

PAND mm, mm/m64
PANDN mm, mm/m64
POR mm, mm/m64
PXOR mm, mm/m64

The PAND (Bitwise Logical And), PANDN (Bitwise Logical And Not), POR (Bitwise Logical OR), and PXOR (Bitwise Logical Exclusive OR) instructions perform bitwise logical operations on 64-bit quantities. The destination operand is an MMX register, while the source operand can either be an MMX register or a 64-bit memory operand.

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