NASM 2.05 based x86 Instruction Reference[ch058]
A.5.38 CVTPD2PI: Packed Double-Precision FP to Packed Signed INT32 Conversion CVTPD2PI mm,xmm/mem128 ; 66 0F 2D /r [WILLAMETTE,SSE2] CVTPD2PI converts two packed double-precision FP values from the source operand to two packed signed doublewords in the destination operand. The destination operand is an MMX register. The source can be either an XMM register or a 128-bit memory location. For more details of this instruction, see the Intel Processor manuals.