maintainer-feedback requested: [Bug 213583] multimedia/ffmpeg: enable MMX/SSE by default on i386

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Oct 18 02:30:36 UTC 2016


Jan Beich (mail not working) <jbeich at FreeBSD.org> has reassigned Bugzilla
Automation <bugzilla at FreeBSD.org>'s request for maintainer-feedback to
multimedia at FreeBSD.org:
Bug 213583: multimedia/ffmpeg: enable MMX/SSE by default on i386
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213583



--- Description ---
Created attachment 175893
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=175893&action=edit
v1

With stack alignment crashes fixed SIMD should be safe to use by default given
the code is gated by CPUID check at runtime. CPUID is also used on amd64 to
enable SSE4 or AVX at runtime but we haven't seen crashes there, so there's no
corresponding compile-time options.


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