[Bug 1067] improve fbmmx

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https://bugs.freedesktop.org/show_bug.cgi?id=1067        
   




------- Additional Comments From nmiell at comcast.net  2004-12-23 17:38 -------
(In reply to comment #4)
> I'd really like to keep the shift function. To me,
> 
>    shift (blah, -48)
> 
> is much clearer than _mm_slli_si64 (blah, 48), and since the function is
> inlined and optimized, gcc doesn't generate any worse code for it when the
> argument is a compile time constant.

Eh, I found "shift" with no indication of direction other than a sign confusing,
but I'm not particularly attached to it.

I'll change it and re-diff soon.
        
   
   
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