This is supported on x86-64 and target feature
sse
only.Expand description
Compares the lowest f32
of both inputs for less than. The lowest 32 bits
of the result will be 0xffffffff
if a.extract(0)
is less than
b.extract(0)
, or 0
otherwise. The upper 96 bits of the result are the
upper 96 bits of a
.