Luna::Simd::maskint_i4
i32 maskint_i4(int4 a)
Converts the comparison result mask to one 32-bit integer.
FOR j := 0 to 3
i := j * 32
IF a[i:i+31] == 0xFFFFFFFF
dst[j] := 1
ELSE IF a[i:i+31] == 0x00000000
dst[j] := 0
ELSE
dst[j] := 0 or 1 (The behavior is undefined.)
FI
ENDFOR
dst[4:MAX] := 0