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

[John Emmas]

On 13/09/2020 12:12, John Emmas wrote:
>
> Understandably, USE_X86_MMX doesn't work for a 64-bit build.  I 
> assumed there might be a 64-bit alternative (USE_X64_MMX) but that 
> doesn't seem to exist  :-(
>
> So do I just need to stop #defining USE_X86_MMX now?  Or is there some 
> alternative #define that I'll need to use instead?
>

A quick Google search this morning revealed that MMX was later replaced 
by SSE2 (and then SSE3).

So rather than USE_X86_MMX, should I be #defining something like 
USE_SSE2 - or USE_SSE3 maybe ??

John