[llvm-branch-commits] [clang] [llvm] [X86][ACE] Add x86_bsr type and Block Scale Register support (PR #208706)

[Nikita Popov via llvm-branch-commits]

https://github.com/nikic requested changes to this pull request.

Should be `target("x86.bsr")`. `x86_amx` predates the existence of target extension types.

https://github.com/llvm/llvm-project/pull/208706