[llvm-dev] Proposal to remove MMX support.

[Josh Stone via llvm-dev]

On 8/31/20 12:02 PM, Eli Friedman via llvm-dev wrote:
> In terms of whether it’s okay to assume people don’t need support for
> MMX intrinsics on targets without SSE2, that’s probably fine.  Wikipedia
> says Intel stopped manufacturing PC chips without SSE2 around 2007.  And
> supported versions of Windows require SSE2.

Similarly, Fedora 29 made SSE2 mandatory, released October 30, 2018.

https://fedoraproject.org/wiki/Changes/Update_i686_architectural_baseline_to_include_SSE2

Then Fedora 28 without SSE2 reached EOL on May 28, 2019.