[clang] [compiler-rt] [llvm] [X86] AMD Zen 5 Initial enablement (PR #107964)

[via cfe-commits]

ganeshgit wrote:

> @ganeshgit or @RKSimon can one of you put up a PR against release/19.x with the abi compatible changes so that we have chance to look at it and approve it before the release tomorrow.

I will submit the changes shortly. Probably I will create a branch with a base commit which is prior to this commit to main for easy integration. 

https://github.com/llvm/llvm-project/pull/107964