Requiring SSE2 on Windows

[Luboš Luňák]

On Tuesday 05 of May 2020, Thorsten Behrens wrote:
> Hi Luboš,
>
> Luboš Luňák wrote:
> >  I suggest that we remove the '-arch:SSE' added on Windows, i.e. that we
> > require at least SSE2-capable systems.
>
> No objections per se - just the question (mostly to have it documented
> here): what would we gain?

- Using the defaults that everybody else on Windows uses.
- No hassle with the explicit fiddling with -arch:SSE, no Skia patching.
- SSE2 is much better at math code (e.g. 
https://www.geeks3d.com/20100711/test-simple-x87-vs-sse2-performance-test-with-matrix-multiplication/)

-- 
 Luboš Luňák
 l.lunak at collabora.com