[FFmpeg-devel] [HACK] 50% faster H.264 decoding

Luca Barbato lu_zero
Mon Aug 23 22:58:55 CEST 2010

On 08/23/2010 08:03 PM, M?ns Rullg?rd wrote:
> Lack of LTO for hand-written asm is a non-issue for a very simple
> reason: if the link-time optimiser could outdo a human, so could the
> compiler, and there would be no need for hand-written asm in the first
> place.  In other words, with external asm, the compiler/linker is
> unable to perform an optimisation it is unable to perform at all in
> the first place.

The limit of the current ipa system in open64 is that is apparently all
or nothing =| So it needs to know about the the yasm generated objects
or it won't be able to generate a binary =|



Luca Barbato

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