
This intrinsics version gives bit-exact result as the current assembly neon code. And the performance is 38% better than current assembly neon version, 5.92 times faster than current C version. The test runs under Cortex-a53 aarch32 mode, other cpu should give similar performance result. BUG=4002 R=andrew@webrtc.org, jridges@masque.com Change-Id: I257e33ef6d634a519fd71adc4f52b06dd655bd9d Review URL: https://webrtc-codereview.appspot.com/32749004 Patch from Zhongwei Yao <zhongwei.yao@arm.com>. git-svn-id: http://webrtc.googlecode.com/svn/trunk@7891 4adac7df-926f-26a2-2b94-8c16560cd09d
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