[compiler-rt] [llvm] Add extendhfxf2 into compiler rt (PR #111099)

[Alexander Richardson via llvm-commits]

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@@ -104,6 +104,7 @@ set(GENERIC_SOURCES
   divti3.c
   extendsfdf2.c
   extendhfsf2.c
+  extendhfxf2.c
----------------
arichardson wrote:

The xf type is only supported for x86 so it should not be in the generic sources. 

Could you please add me as a reviewer when you submit a new version of this patch.

https://github.com/llvm/llvm-project/pull/111099