[Ffmpeg-devel] [RFC] smallcpy for h264
Sat Oct 7 14:42:35 CEST 2006
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.
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