[Webkit-unassigned] [Bug 98131] Add ARM-NEON support to VectorMath in WebAudio

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98131





--- Comment #4 from Raymond Toy <rtoy at chromium.org>  2012-10-02 11:18:26 PST ---
(From update of attachment 166684)
View in context: https://bugs.webkit.org/attachment.cgi?id=166684&action=review

Looks good.  Do you have any measurements to show what kind of improvements these instrinsics make?  I'm just curious.

> Source/WebCore/platform/audio/VectorMath.cpp:493
> +            float32x4_t imagResult = vaddq_f32(vmulq_f32(real1, imag2), vmulq_f32(imag1, real2));

Can the vmla and vmls instrinsics be used here to speed things up slightly?

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