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(nasm.info)Section B.4.227

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B.4.227. `PI2FD': Packed Doubleword Integer to Single-Precision FP Convert
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     PI2FD mm1,mm2/m64             ; 0F 0F /r 0D          [PENT,3DNOW]

   `PF2ID' converts two signed 32-bit integers in the source operand to
single-precision FP values, using truncation of significant digits, and
stores them in the destination operand.