[libc] [llvm] Add vector-based strlen implementation for x86_64 and aarch64 (PR #152389)

[Joseph Huber via llvm-commits]

https://github.com/jhuber6 commented:

Is it possible to do this with the [LLVM/GCC vector types](https://clang.llvm.org/docs/LanguageExtensions.html#vectors-and-extended-vectors) instead? It doesn't look like we're doing anything terribly complicated so it might get the same performance while being more cross-platform.

https://github.com/llvm/llvm-project/pull/152389