[MPlayer-dev-eng] Re: Re: Re: fast SPP - working code

[Nikolaj]

On Thu, 02 Jun 2005 21:34:22 +0200, Jindrich Makovicka 
<makovick at kmlinux.fjfi.cvut.cz> wrote:

> Nikolaj wrote:
>> Hello,
>>
>> I'm sending a working variant, please review.
>> The code is not final, I think I'll tune it futher a bit.
>> Attachment is a plain text.
>>
>> Seems funny, but I totally forgot that there is a add-sub trick without
>> an additional register
>> (like a+=b, b+=b, b-=a). The code should be a bit faster with it - will
>> be possible to avoid temp vars, etc. Now I'm thinking, rewrite or not
>> that almost boring asm part ;)
>
> sorry, doesn't compile under gcc-3.4. after replacing text labels with
> numerical, and removing const qualifiers from the precomputed fixed
> point constants (they were optimized out, so linker blew up later due to
> their usage in assembler), -vf spp crashes with a segfault (I can
> provide a more detailed report if needed).
>

I'm using gcc 2.95.3 (mingw). Yes, please send both compiler and trace 
report (also which video, dimensions, etc).


-- 
Best regards,
  Nikolaj                          mailto:nialpof at pisem.net