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

İsmail Dönmez ismail at namtrac.org
Mon Nov 15 01:31:23 PST 2010


Hi Duncan;

On Mon, Nov 15, 2010 at 11:03 AM, Duncan Sands <baldrick at free.fr> wrote:

> Hi İsmail,
>
>
>  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

Thanks,
ismail
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