[FFmpeg-devel] [PATCH] PPC: 32-bit asm for MAC64 and MLS64

Reimar Döffinger Reimar.Doeffinger
Mon May 11 09:24:26 CEST 2009


On Mon, May 11, 2009 at 04:20:27AM +0100, M?ns Rullg?rd wrote:
> Lots of loads and stores there, and the whole loop contains a total of
> 128 multiplies even though only 64 are needed.

And half of those multiplies are probably be 0? That is a very well know
idiocy in gcc then, I can't imagine the gcc developers aren't aware.
See
http://x264dev.multimedia.cx/?p=62#comments



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