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(nasm.info)Section B.4.173

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B.4.173. `MOVNTPD': Move Aligned Four Packed Single-Precision FP Values Non Temporal
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     MOVNTPD m128,xmm              ; 66 0F 2B /r     [WILLAMETTE,SSE2]

   `MOVNTPD' moves the double quadword from the `XMM' source register
to the destination memory location, using a non-temporal hint.  This
store instruction minimizes cache pollution. The memory location must
be aligned to a 16-byte boundary.