tree cf71554bbacdcdcb46150cc0be2ebd11387ba0b5
parent 01ce4e0dfd73d2ec550e2efdb4fb228ca836083d
author Keith Mok <ek9852@gmail.com> 1444940304 -0700
committer Keith Mok <ek9852@gmail.com> 1446493279 -0800

JPEG decoding arm64 optimization

Previously only arm 32 bits jpeg library are assembly optimzated.
Porting from libjpeg-turbo commit-id:d7e6dd639d91ee8770d070c11087926c5d5daa0f
for idct and color conversion assembly optimzation for arm64.
Roughly 20% improvment in idct and 20% improvement for yuv->rgb conversion

Change-Id: I65ac04915685f57e4b0b757ad8bc71c4948dc65d