[llvm] [AArch64] Align 0-cycle reg-mov model of GPR64, GPR32 reg classes (PR #146051)

[Tomer Shafir via llvm-commits]

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@@ -107,6 +107,8 @@ Changes to the AArch64 Backend
   [#132196](https://github.com/llvm/llvm-project/pull/132196),
   [#133084](https://github.com/llvm/llvm-project/pull/133084))
 
+* **Breaking Change:** Change target feature name from `zcm` to `zcm-gpr64`.
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tomershafir wrote:

Yea sorry about the wrong option in the release note and commit msg. Will fix the commit msg and remove the release note.

https://github.com/llvm/llvm-project/pull/146051