[Webkit-unassigned] [Bug 73789] Need SSE optimization for SincResampler::Process()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Dec 5 00:43:46 PST 2011


https://bugs.webkit.org/show_bug.cgi?id=73789





--- Comment #9 from Benjamin Poulain <benjamin at webkit.org>  2011-12-05 00:43:47 PST ---
> > Personally I prefer to have _mm_load_ps explicitly but that is a question of style I guess...
> 
> I tried to use _mm_load_ps instead of _cast way and got some regression, from about 45% to 38%. I think the additional ops of function call resulted it.

That is really strange. Intrinsics should not result in function calls, they are supposed to be always inlined. Are you sure you are not testing a debug build?

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