[FFmpeg-devel] [PATCH] Fix warnings in bidir_refine (in libavcodec/motion_est.c)

Eli Friedman eli.friedman
Sat Jul 3 10:17:56 CEST 2010


On Sat, Jul 3, 2010 at 12:45 AM, Reimar D?ffinger
<Reimar.Doeffinger at gmx.de> wrote:
>
> On Sat, Jul 03, 2010 at 12:19:12AM -0700, Eli Friedman wrote:
> > Patch attached. ?Fixes a bunch of warnings of the form "large integer
> > implicitly truncated to unsigned type" coming from the static table
> > "hash". ?No significant change in the generated code.
>
> I don't believe that, it generated quite a few useless extra instructions
> for me (gcc 4.4.4 on x86_64).

I'm using gcc 4.4.3, so I'll assume I got the same output; the output
patched was only 1 instruction longer.  Is my threshold for "no
significant change" not sensitive enough?

-Eli



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