[clang] [compiler-rt] [llvm] [SystemZ] Add support for half (fp16) (PR #109164)

[Ulrich Weigand via cfe-commits]

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@@ -65,6 +65,7 @@ void __clear_cache(void *start, void *end) {
 #elif defined(_WIN32) && (defined(__arm__) || defined(__aarch64__))
   FlushInstructionCache(GetCurrentProcess(), start, end - start);
 #elif defined(__arm__) && !defined(__APPLE__)
+#elif defined(__s390__)
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uweigand wrote:

This seems like the wrong place?  The arm case is now empty, and what used to be done on arm is now done on s390x ...

https://github.com/llvm/llvm-project/pull/109164