arm64 targets don't use NEON optimizations

[FlutterIssues]

Issue by chinmaygarde
Tuesday Oct 27, 2015 at 22:56 GMT
Originally opened as https://github.com/flutter/engine/issues/1841

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• Needs updates to skia/BUILD.gn

[sethladd]

Do we plan to do this? Did we do this? (aka can we close, or shall we leave it open?)

[Hixie]

@chinmaygarde What's the status of this bug?

[eseidelGoogle]

@a-siva wasn't sure off the top of his head if these are turned on in the DartVM, but said he could find out. I expect Skia already uses these.

[chinmaygarde]

I turned these on in Skia already.

[a-siva]

The Dart VM does use the Neon instructions when the Float32x4 and Int32x4 types are used.