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Using AVX2 vectors

I want to make use of AVX2 vectors (specifically 4*64bit vectors) but I can’t seem to figure how to enable the AVX2 flag for the compiler. Can someone advise me on how to do this? Thank you.

Look at ‘\Engine\Source\Programs\UnrealBuildTool\Windows\VCToolChain.cs’ to change or force that into the configuration.