[FFmpeg-devel] [PATCH] VP8: avoid conditional and division for chroma MV
Wed Jun 23 20:07:47 CEST 2010
Stefan Gehrer <stefan.gehrer at gmx.de> writes:
> On 06/23/2010 06:51 PM, Ronald S. Bultje wrote:
>> On Wed, Jun 23, 2010 at 12:44 PM, Stefan Gehrer<stefan.gehrer at gmx.de> wrote:
>>> Are there any recommended samples to test against?
> Okay, I tested some clips from the test vector and
> the frame CRCs stay the same with the patch.
> But when I compile on my machine with gcc 4.4.3 amd -O3
> it seems clever enough to avoid conditional and division
> So now I believe in the correctness of the patch, I am
> just not so sure about the usefulness.
That's just one compiler on the primary target. Is it just as clever
when targeting things like ARM?
mans at mansr.com
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