[Pixman] Building as 64-Bit (i.e. dropping the use of USE_X86_MMX )

John Emmas john at creativepost.co.uk
Tue Sep 15 08:01:58 UTC 2020

On 14/09/2020 20:23, Dave Yeo wrote:
> IIRC, MMX's registers were aliased with the FPU registers, making 
> mixing MMX and floating point inefficient. Seems that SSE2 would be 
> better as it can also do floating point depending on the compiler flags.
> All 64 bit processors support SSE2 IIRC, while some old ones may not 
> support SSE3

Many thanks Dave,

I found this comment in git commit #199a3bd275 from 30th Aug 2018:-

       " An MSVC build can be generated, but fails. "

I don't have much experience with meson but I'd be happy to try 
generating an MSVC project if someone can let me know what command I'll 


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