[Webkit-unassigned] [Bug 102060] Optimize RGB565 and RGBA5551 packing/unpacking functions with NEON intrinsics

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=102060


Gabor Rapcsanyi <rgabor at webkit.org> changed:

           What    |Removed                     |Added
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 Attachment #173853|                            |review?, commit-queue?
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--- Comment #1 from Gabor Rapcsanyi <rgabor at webkit.org>  2012-11-13 02:32:37 PST ---
Created an attachment (id=173853)
 --> (https://bugs.webkit.org/attachment.cgi?id=173853&action=review)
proposed patch

I tried it on Pandaboard with Linaro 12.10 Ubuntu.

unpackOneRowOfRGB565ToRGBA8: 2.69x faster
packOneRowOfRGBA8ToUnsignedShort565: 3.37x faster

unpackOneRowOfRGBA5551ToRGBA8: 3.2x faster
packOneRowOfRGBA8ToUnsignedShort5551: 3.31x faster

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