A.5.52 CVTTPD2PI: Packed Double-Precision FP to Packed Signed INT32
Conversion with Truncation
CVTTPD2PI mm,xmm/mem128 ; 66 0F 2C /r [WILLAMETTE,SSE2]
CVTTPD2PI converts two packed double-precision FP values in the source
operand to two packed single-precision FP values in the destination
operand. If the result is inexact, it is truncated (rounded toward
zero).
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.