MOVMSKPS
Usage: MOVMSKPS dest,src Modifies flags: None
Extracts the sign bits from the packed single-precision floating-point values in the 'src' formats them into a 4-bit mask, and stores the mask in the 'dest'.
Extract Packed Single-Precision FP Sign Mask
MOVMSKPS reg32,xmm ; 0F 50 /r [KATMAI,SSE]
MOVMSKPS inserts a 4-bit mask in r32, formed of the most significant bits of each single-precision FP number of the source operand.
The 'src' is an XMM register, and the 'dest' operand is a general-purpose register. The mask is stored in the 4 low-order bits of the destination operand.
EXAMPLE:
movmskps eax xmm2