tree 4b7777498b3bab20aae143f13be39587946a400b
parent 32b302c4950b56b220c0470e1bf9bd29bfafec94
author Linfeng Zhang <linfengz@google.com> 1472173974 -0700
committer Jean-Marc Valin <jmvalin@jmvalin.ca> 1485308764 -0500
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Optimize silk_NSQ_del_dec() for ARM NEON

The optimization is bit exact with C function.

This optimization speeds up SILK encoder on NEON as following.

Fixed-point:
Complexity 0-5:  0%
Complexity 6-7:  6%
Complexity 8-9: 10%
Complexity  10:  8%

Got similar results on floating-point.

Change-Id: I11aa1d599ab2e9c6d63901542a079fb3165ad04f

Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>