[Ffmpeg-devel] [RFC] smallcpy for h264

[Siarhei Siamashka]

On Saturday 07 October 2006 15:18, Luca Barbato wrote:

> > 2. why ppc doesnt inline memcpy like x86 does
>
> inlined memcpy are triggered with -O3 iirc, so having them doesn't help
> speed at all (see the threads about avoiding -O3 to get better speed)
> I'll dig glibc to see if we have inlined variants available.

Check 'info gcc', built-in functions. __builtin_memcpy should do the job.