[FFmpeg-devel] [RFC] clobbers for XMM registers
Tue Sep 28 02:27:22 CEST 2010
Michael Niedermayer <michaelni at gmx.at> writes:
> 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
We tested. It failed.
mans at mansr.com
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