GNU Info

(nasm.info)Section B.4.169

---

Next: Section B.4.170 Prev: Section B.4.168 Up: Section B.4

---

Enter node , (file) or (file)node

B.4.169. `MOVMSKPD': Extract Packed Double-Precision FP Sign Mask
-----------------------------------------------------------------

     MOVMSKPD reg32,xmm              ; 66 0F 50 /r   [WILLAMETTE,SSE2]

   `MOVMSKPD' inserts a 2-bit mask in r32, formed of the most
significant bits of each double-precision FP number of the source
operand.