[FFmpeg-devel] [PATCH] use MANGLE in cavsdsp_mmx.c

Michael Niedermayer michaelni
Wed Sep 30 20:39:54 CEST 2009

On Wed, Sep 30, 2009 at 05:16:07PM +0100, M?ns Rullg?rd wrote:
> Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
> > Hello,
> > since OpenBSD uses PIC and EBP and EBX can't be used, it can't
> > compile cavsdsp_mmx.c.  While those are "m" constraints, at least
> > some still use up a register.  Attached is a patch that fixes
> > compilation by using MANGLE on one of the variables that is only
> > used in 2 places.  Personally I'd be in favour to be consistent with
> > other parts of FFmpeg and just use MANGLE whereever possible, but
> > that would be a more invasive change.
> Here's a patch I had sitting around which changes some h264 asm to use
> mangle.  IIRC it works on Linux with modern compilers.  It may or may
> not fix some problem somewhere.
> -- 
> M?ns Rullg?rd
> mans at mansr.com

>  h264dsp_mmx.c |   19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)
> 6c6cb8ff65ca5351ede786f522ad9e188b256ca3  h264_x86_mangle.patch

ok if tested and its faster or fixes some problem

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
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