[FFmpeg-devel] [PATCH] convert fdct_mmx.c to plain asm

[Michael Niedermayer]

On Thu, Nov 13, 2008 at 10:39:37AM -0800, Baptiste Coudurier wrote:
> Hi Michael,
> 
> Michael Niedermayer wrote:
> > On Wed, Nov 12, 2008 at 06:54:23PM -0800, Baptiste Coudurier wrote:
> >> Hi
> >>
> >> $subject, I hope I did not mess up.
> > 
> > ok, if its output didnt change
> 
> Yeah, it is obvious. No other comment ?

I have many but they dont belong in this patch :)
like not using "r" but MANGLE() to prevent slow GOT indirection,
and to turn the asm parts into just parts of a single asm() instead of
3 asm()


> Like a better way to use the macro, I find it a bit ugly.

#define SHIFT_FRW_COL_STR "3"
should work to avoid S()


> 
> Is fulltest sufficient ? dct-test too ? Just to ensure something didn't
> slip in, the process was painful.

dct-test would probably be a good idea as it should test MMX&MMX2 
it seems to be missing an entry for ff_fdct_sse2() though

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

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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