Available on (x86 or x86-64) and target feature
ssse3
and x86-64 only.Expand description
Horizontally adds the adjacent pairs of values contained in 2 packed
128-bit vectors of [8 x i16]
. Positive sums greater than 7FFFh are
saturated to 7FFFh. Negative sums less than 8000h are saturated to 8000h.