[MPlayer-dev-eng] [PATCH] fixed point faad, gnu assembler etc.

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Sat Apr 22 20:28:29 CEST 2006


Hi,
On Sat, Apr 22, 2006 at 07:01:51PM +0200, Reimar D?ffinger wrote:
> On Thu, Apr 20, 2006 at 09:04:58AM +0200, Michael Niedermayer wrote:
> > btw, someone replace %%cl with a constant, as its faster (assuming its
> > constant)
> 
> Like the attached patch? At least for me it produces good code
> (gcc-4.1.0).
> Also replaced the "r" constraints by "mr", but had to replace imul by
> imull for that. Hope this is correct (tested on x86_64, but not for 32
> bit).

This one seems better, and does produce quite sane-looking code (tested
with gcc 4.1 for 64 bit, gcc 2.95 for 32).
Heavy benchmarking (and any other kind of testing) would still be welcome though.

Greetings,
Reimar Döffinger




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