Zuxy Meng
2ffb22d2ad
use xorps instead of mulps to toggle the sign of a float, as suggested by Software Optimization Guide for AMD64 Processors.
Patch by Zuxy Meng < zuxy POIS meng AH gmail POIS com > OKed by Michael Original thread: Date: Mar 5, 2006 8:15 PM Subject: [Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c Originally committed as revision 5112 to svn://svn.ffmpeg.org/ffmpeg/trunk
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * Read the file COPYING. ffmpeg and the associated libraries EXCEPT liba52 and libpostproc are licensed under the Lesser GNU General Public License. * liba52 and libpostproc are distributed under the GNU General Public License and their compilation and use is optional in ffmpeg. Fabrice Bellard.
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