Available on (x86 or x86-64) and target feature
avx2
and x86-64 only.Expand description
Computes the absolute differences of packed unsigned 8-bit integers in a
and b
, then horizontally sum each consecutive 8 differences to
produce four unsigned 16-bit integers, and pack these unsigned 16-bit
integers in the low 16 bits of the 64-bit return value