Let's do it
Created attachment 142245 [details]
Created attachment 142248 [details]
Sorry, wrong patch before
Attachment 142248 [details] did not pass style-queue:
Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/WebCore/CMakeLists.txt', u'Source/W..." exit_code: 1
Source/WebCore/platform/graphics/filters/arm/FECompositeArithmeticNEON.h:34: Alphabetical sorting problem. [build/include_order] 
Total errors found: 1 in 3 files
If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 142424 [details]
Comment on attachment 142424 [details]
Wow, this looks much better, rs=me.
I trust you that the intrinsics stuff is correct, can't really review that properly.
Thanks for the review.
Landed as trac.webkit.org/changeset/117418