tree a7b048917e86d3d1b6475943f945ff40e8098615
parent 566023571da3486fc9cc4c9b9bd69c1ab2883dec
author Cherma Rajan A <cherma.rajan@ittiam.com> 1530280819 +0530
committer Cherma Rajan A <cherma.rajan@ittiam.com> 1530281244 +0530

Add NEON optimization of lpf_vertical_4 and lpf_horizontal_4

Intrinsic optimization and unit test changes of lpf_vertical_4 and
lpf_horizontal_4 functions are added.

Performance gain w.r.t. C,
lpf_vertical_4  ~2.8x
lpf_horizontal_4  ~4.7x

Change-Id: I60159f943eb5b8ed77efdafb23c02ccd9d672c60