[MPlayer-dev-eng] [RFC] disable fastmemcpy on x86-64 by default
Michael Niedermayer
michaelni at gmx.at
Sun May 27 23:49:13 CEST 2007
Hi
On Sun, May 27, 2007 at 11:38:57PM +0200, Attila Kinali wrote:
[...]
> > this is in impressive series of bugs ...
> >
> > if my hypothesis is correct then reimar will have some work to do ;)
>
> BTW: is there any reason why fast_memcpy&co are not defined inline?
as fast_memcpy() isnt in a header (currently) that wont change anything
with gcc
> I even think that in the case w/o runtime cpu detection, we could
> just do a #define fast_memcpy fast_memcpy_XXX (where XXX is one of MMX,SSE...)
> and get completely rid not only of a call, but of a stack frame too.
fast_memcpy_XXX() mem2agpcpy_XXX() should be inlined by gcc (in theory)
as they are static and used just at one spot
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The educated differ from the uneducated as much as the living from the
dead. -- Aristotle
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