Faster SSE FFT/MDCT, patch by Zuxy Meng %zuxy P meng A gmail P com%
authorZuxy Meng <zuxy.meng@gmail.com>
Sun, 13 May 2007 16:32:32 +0000 (16:32 +0000)
committerGuillaume Poirier <gpoirier@mplayerhq.hu>
Sun, 13 May 2007 16:32:32 +0000 (16:32 +0000)
commit25e4f8aaeee05a963146ebf8cd1d01817dba91d6
treed35c9f559473d78652b24947fc5bf98b80a2c76e
parent3a136a06fd498c31de7318e2a495676d357ce58e
Faster SSE FFT/MDCT, patch by Zuxy Meng %zuxy P meng A gmail P com%
unrolls some loops, utilizing all 8 xmm registers. fft-test
shows ~10% speed up in (I)FFT and ~8% speed up in (I)MDCT on Dothan

Originally committed as revision 9017 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/i386/fft_sse.c