[llvm] [AArch64] Align 0-cycle reg-mov model of GPR64, GPR32 reg classes (PR #146051)
David Green via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 27 07:00:13 PDT 2025
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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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davemgreen wrote:
As they are only tuning features I would not expect any users to use them. (And -mzcm isn't a valid option AFAIU). I would remove the release note, or at least remove the "Breaking Change" part. Maybe it is good to call these kinds of things out.
https://github.com/llvm/llvm-project/pull/146051
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