[llvm] [clang] [ARM][AArch32] Add support for AArch32 Cortex-M52 CPU (PR #74822)

[David Green via cfe-commits]

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@@ -896,9 +896,13 @@ Arm and AArch64 Support
 
   Support has been added for the following processors (-mcpu identifiers in parenthesis):
 
-  * Arm Cortex-A520 (cortex-a520).
-  * Arm Cortex-A720 (cortex-a720).
-  * Arm Cortex-X4 (cortex-x4).
+  --target=arm
+     * Arm Cortex-M52 (cortex-m52).
+
+  --target=aarch64
+     * Arm Cortex-A520 (cortex-a520).
+     * Arm Cortex-A720 (cortex-a720).
+     * Arm Cortex-X4 (cortex-x4).
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davemgreen wrote:

Maybe just "For Arm:" and "For AArch64:" if the --target is awkward. Otherwise this LGTM if David Agrees

https://github.com/llvm/llvm-project/pull/74822