Intel ARCHITECTURE IA-32 - Example 4-10 Pmovmskb Instruction Code; Figure 4-7 Pmovmskb Instruction Example

Optimizing for SIMD Integer Applications 4
4-17
Figure 4-7 pmovmskb Instruction Example
Example 4-10 pmovmskb Instruction Code
; Input:
; source value
; Output:
; 32-bit register containing the byte mask in the lower
; eight bits
;
movq mm0, [edi]
pmovmskb eax, mm0
OM15165
MM
R32
31 063
0..0
31
0..0
70
55 47 39 23 15 7