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    MMX Logical Instructions

    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.

     

    DEST ← DEST AND SRC;

    DEST ← (NOT DEST) AND SRC;

    DEST ← DEST OR SRC;

    DEST ← DEST XOR SRC;

    PAND __m64 _mm_and_si64 (__m64 m1, __m64 m2)

    PANDN __m64 _mm_andnot_si64 (__m64 m1, __m64 m2)

    POR __m64 _mm_or_si64(__m64 m1, __m64 m2)

    PXOR __m64 _mm_xor_si64 (__m64 m1, __m64 m2)


     
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