On Tue, Jun 28, 2016 at 12:01 PM, Hendrik Leppkes <h.lepp...@gmail.com> wrote: > On Tue, Jun 28, 2016 at 11:48 AM, Hendrik Leppkes <h.lepp...@gmail.com> wrote: >> Visual Studio 2015 Update 3 introduced a new SSA optimizer, however >> it unfortunately causes miscompilations. Until it is fixed, the new >> optimizations are disabled and should be re-checked on subsequent >> compiler releases. >> >> Fixes recent FATE failure of fate-lavf-pam on VS2015. > > On that note, i'm not exactly sure which code actually miscompiles. > I though its pamenc, but the generated files are identical, then I > though its the crc computing code (crcenc/adler32), but those seem > fine as well and would likely screw up in more then one case if they > would miscompile. > > So that leaves pnmdec, I suppose, but I didn't make much headway to > poke around in that. If anyone has any handy hints how to find the > code in question that might be helpful. > Maybe the code is actually not-quite-right and might enjoy some straigtening. >
Applied the patch to disable the new optimizations in MSVC as I did not spot anything obviously "bad" in pamdec - which does not mean there isn't anything there, of course. - Hendrik _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
