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(nasm.info)Section B.4.165

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B.4.165. `MOVHPS': Move High Packed Single-Precision FP
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     MOVHPS xmm,m64               ; 0F 16 /r         [KATMAI,SSE]
     MOVHPS m64,xmm               ; 0F 17 /r         [KATMAI,SSE]

   `MOVHPS' moves two packed single-precision FP values between the
source and destination operands. One of the operands is a 64-bit memory
location, the other is the high quadword of an `XMM' register.

   The operation of this instruction is:

        mem[0-63]   := xmm[64-127];

   or

        xmm[0-63]   remains unchanged;
        xmm[64-127] := mem[0-63].