[FFmpeg-devel] [RFC] clobbers for XMM registers

Michael Niedermayer michaelni
Tue Sep 28 02:19:16 CEST 2010

On Tue, Sep 28, 2010 at 01:51:33AM +0200, Michael Niedermayer wrote:
> On Sat, May 29, 2010 at 08:27:58PM +0200, Reimar D?ffinger wrote:
> > Hello,
> > this is not suitable by far (among other things, ugly parts, split asm code
> > where a clobber is likely to introduce bugs, only tested to compile,
> > did not find a nice "dummy" clobber constraint - particularly important since
> try "%esp" ;)
> > I suspect older gccs won't accept %xmm clobbers, ...).
> the oldest i have here is 3.3 and it supports it

has someone tested xmm clobbers on fate alraedy?
if not i think we should commit one and see what fails
then we can decide if we need a macro wraping them at all

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20100928/2a362ac2/attachment.pgp>

More information about the ffmpeg-devel mailing list