Vanilla C drop in replacement for intel intrinsics?

For each avx, sse4 etc intrinsic there is an open logical algorithm. I wonder if there is an official or unofficial drop in replacement of intrinsics with vanilla C code (for debugging, prototyping on arm etc)?

Solution

I have a project, SIMDe, that does it. It's not complete, but it's more substantial than anything else I'm aware of. Contributions welcome ;)

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