[Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c

Zuxy Meng zuxy.meng
Sun Mar 5 20:15:55 CET 2006


This patch uses xorps instead of mulps to toggle the sign of a float,
as suggested by Software Optimization Guide for AMD64 Processors.

I have also written a 3DNow! version of fft. Is that still needed?

Beauty is truth,
While truth is beauty.
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