Pre-RFC: SIMD groundwork

[huon]

Hardcoding matrices into the language? Are there any SIMD instruction for working with matrices?

Not that I know of, which is exactly my point: there doesn’t seem to be much point in hardcoding them.

Supposing we had type-level integers, would this RFC look similar, or completely different to what it looks now?

This was touched on a little above:

In any case: we can define [T; n] as another thing that can be repr(simd)'d. If/when we get generic integers that can be used for array lengths, it seems very useful to allow it, but it’s not clearly useful right now.

(BTW, for people coming here new from TWiR, discussion has moved to 1199.)

[huon]

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