[FFmpeg-trac] #3017(avcodec:new): ff_emu_edge_vfix21_sse causes SIGILL on Pentium-III

[FFmpeg]

#3017: ff_emu_edge_vfix21_sse causes SIGILL on Pentium-III
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             Reporter:  qyot27      |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by qyot27):

 A workaround of sorts is to change EXTERNAL_SSE on line 247 of
 libavcodec/x86/videodsp_init.c to EXTERNAL_SSE2, so that it doesn't trip
 the problem on old CPUs.  I don't know if that's an acceptable fix for the
 issue, but it stops the crash.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3017#comment:2>
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