Johann 93166c5e51 neon: vpx_quantize_b_32x32
With skip block the neon is about twice as fast as C.

The neon has no shortcut for coeff < zbin so it always takes the
same amount of time. Even if the C can take the shortcut, it is over
twice as fast in neon. If it can't, that gap increases to over 10x.

BUG=webm:1426

Change-Id: I400722146c1b5a5f6289f67d85fd642463d2bfc6
2017-08-08 14:05:18 -07:00
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2017-07-12 13:26:39 +00:00