Available on x86-64 and target feature
sse
only.Expand description
Checks if the lowest f32
of both inputs are unordered. The lowest 32 bits
of the result will be 0xffffffff
if any of a.extract(0)
or
b.extract(0)
is a NaN, or 0
otherwise. The upper 96 bits of the result
are the upper 96 bits of a
.