[FFmpeg-cvslog] r18319 - trunk/libavcodec/x86/dsputil_mmx.c

[Michael Niedermayer]

On Thu, Apr 02, 2009 at 09:09:37PM -0700, Mike Melanson wrote:
> Michael Niedermayer wrote:
>> On Thu, Apr 02, 2009 at 07:04:24PM -0700, Mike Melanson wrote:
>>> alexc wrote:
>>>> Author: alexc
>>>> Date: Thu Apr  2 23:02:42 2009
>>>> New Revision: 18319
>>>> Log:
>>>> Rewrite put_signed_pixels_clamped_mmx() to eliminate mmx.h from 
>>>> dsputil_mmx.c.
>>>> Modified:
>>>>    trunk/libavcodec/x86/dsputil_mmx.c
>>> This seems to have altered the results of the VP6* tests:
>>>
>>> http://fate.multimedia.cx/index.php?test_spec=140
>>> http://fate.multimedia.cx/index.php?test_spec=141
>>>
>>> but only for these x86_32 configurations:
>>>
>>> gcc 4.0.4, 4.1.2, 4.2.4 on Linux
>>> gcc 4.0.1 build 5484 on Mac OS X
>>> gcc 4.2.4 on Windows/MinGW
>>> gcc 4.2.4 on Windows/Cygwin
>> does replacing +r with +&r help?
>> if not ill try to reproduce this tomorrow
>
> I just tried that on the Mac configuration and it seems to fix the problem. 
> Commit?

ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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