[llvm-commits] r119002 breaks snow.c from FFmpeg

Duncan Sands baldrick at free.fr
Tue Nov 16 04:21:34 PST 2010


Hi İsmail, this should be fixed in commit 119347, please confirm.

Best wishes, Duncan.

>         According to
>         http://fate.ffmpeg.org/x86_64-apple-darwin10-clang/20101114104032 clang has
>         regressed wrt. ffmpeg regtesting. A quick search showed that r119002 broke
>         snow.c . I attached preprocessed source code for snow.c. Here is the
>         difference
>         between working & non-working snow.c assemblies :
>
>
>     sorry about that.  Can you please attach complete assembler before and after,
>     and also let me know what compile options were passed to clang.
>
>
> Problem only reproduces with -O1 and later, attached is two files:
>
> snow-working.s
> snow-broken.s



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