commit 6c3855258dd719f806808e3ea00a269fe30dc63b
author andrew@webrtc.org <andrew@webrtc.org> Thu Jan 15 02:56:06 2015
committer andrew@webrtc.org <andrew@webrtc.org> Thu Jan 15 02:56:06 2015
tree 7ec98b1d59eafb1d97cb626134bd4b58422cd682
parent 5a92b78e868983096a883e7016727981b375582d

Add WebRtcIsacfix_AllpassFilter2FixDec16Neon()'s intrinsics version.

This intrinsics version gives bit-exact result as the current C
code. And the performance is 14% better than current assembly
neon version, 3.4 times faster than current C version. The test runs
under Cortex-a53 aarch32 mode, other cpu should give similar performance
result.

Change-Id: Icce5eaf2e17790ce44513d52b53b9f600cc16f96

BUG=4002
R=andrew@webrtc.org, jridges@masque.com

Review URL: https://webrtc-codereview.appspot.com/36689004

Patch from Zhongwei Yao <zhongwei.yao@arm.com>.

git-svn-id: http://webrtc.googlecode.com/svn/trunk@8070 4adac7df-926f-26a2-2b94-8c16560cd09d