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

Guillaume POIRIER poirierg
Sun Mar 5 21:25:36 CET 2006


On 3/5/06, Michael Niedermayer <michaelni at gmx.at> wrote:
> Hi
> On Mon, Mar 06, 2006 at 03:15:55AM +0800, Zuxy Meng wrote:
> > Hi,
> >
> > This patch uses xorps instead of mulps to toggle the sign of a float,
> > as suggested by Software Optimization Guide for AMD64 Processors.
> looks ok, can be commited


Reinventing the wheel certainly is annoying, but as long as all other
wheels are square...

Reimar D?ffinger

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