[fpc-pascal] avx2 32-byte alignment

[Marco van de Voort]

In our previous episode, Adriaan van Os said:
> > 'm preparing a DLL with AVX2 routines in FPC, since Delphi doesn't seem to
> > have AVX2 support.
> 
> Very interesting. I will be pleased to compare it (on OS X) with Apple's Accelerate framework and 
> with Intel's IPP lib <http://adriaan.biz/intel/ipp.pas.zip>.

It's for work, and not (yet) open source. Mostly it is simple fare though,
think debayering, rgb-to-rgba conversion, cmyk, color distance, abs
difference of images, andmask etc.  From my quick look at IPP that is mostly
more complicated stuff.