Try again with SkOpts_hsw and 8x pipelines.

All SkNx are now in anonymous namespaces and all their methods are force-inlined.  We should not have any ODR problems.

This is still a near 2x speedup, more so for f16.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3667

Change-Id: I6db9a46f7164f49827ab4d7983e80bf8cea99995
Reviewed-on: https://skia-review.googlesource.com/3667
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed