Example 4-10, Pmovmskb instruction code -17, Figure 4-7 – Intel ARCHITECTURE IA-32 User Manual
Page 237: Pmovmskb instruction example -17
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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
O M15165
M M
R32
31
0
63
0..0
31
0..0
7
0
55
47
39
23
15
7
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