Upstream support landed a couple of weeks ago: https://github.com/llvm/llvm-project/search?o=desc&p=1&q=Xtensa&s=committer-date&type=commits https://github.com/

Upstream support landed a couple of weeks ago: https://github.com/llvm/llvm-project/search?o=desc&p=1&q=Xtensa&s=committer-date&type=commits https://github.com/llvm/llvm-project/search?o=desc&p=1&q=Xte... Rust support landed before that, https://github.com/esp-rs https://github.com/esp-rs This is all being done by Xtensa themselves, including the Rust.