[FFmpeg-devel] [PATCH] Faster SSE FFT/MDCT

[Zuxy Meng]

Hi,

2007/5/14, Aurelien Jacobs <aurel at gnuage.org>:
> On Sun, 13 May 2007 18:33:41 +0200
> "Guillaume POIRIER" <poirierg at gmail.com> wrote:
>
> > Hi,
> >
> > Regression tests do pass here on AMD64.
> > Patch applied.
>
> This patch generate some assembler warning messages which weren't
> present before:
>
> gcc -I"/data/ffmpeg/ffmpeg"/libswscale  -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE -I"/data/ffmpeg/ffmpeg" -I"/data/ffmpeg/ffmpeg" -I"/data/ffmpeg/ffmpeg"/libavutil -fomit-frame-pointer -g -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wno-pointer-sign -O3  -c -o i386/fft_sse.o i386/fft_sse.c
> In file included from i386/../dsputil.h:34,
>                 from i386/fft_sse.c:22:
> i386/../avcodec.h:2505: warning: 'ImgReSampleContext' is deprecated
> i386/../avcodec.h:2511: warning: 'ImgReSampleContext' is deprecated
> /tmp/cc7UvDpX.s: Assembler messages:
> /tmp/cc7UvDpX.s:229: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:230: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:233: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:234: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:431: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:433: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:437: Warning: missing operand; zero assumed
> /tmp/cc7UvDpX.s:457: Warning: missing operand; zero assumed
>
> I've verified this to happen both on x86 and 86-64.
>
> $ gcc --version
> gcc (GCC) 4.1.3 20070429 (prerelease) (Debian 4.1.2-6)
>
> $ as --version
> GNU assembler (GNU Binutils for Debian) 2.17.50.20070426

That's expected. Don't worry.

-- 
Zuxy
Beauty is truth,
While truth is beauty.
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