Handle cdq differently

dotnet · TIHan · Apr 5, 2023 · Feb 27, 2023 · Feb 27, 2023 · Feb 27, 2023
commit b6467cb8a1fce7cebbbda63295b3209cc4a97c4d
diff --git a/src/coreclr/jit/emitxarch.cpp b/src/coreclr/jit/emitxarch.cpp
@@ -527,7 +527,7 @@ bool emitter::AreUpper32BitsZero(regNumber reg)
         }
 
         // This is a special case for cdq/cwde.
-        // They always write to and sign-extend RAX.
+        // They always write to and sign-extend.
         if (instrHasImplicitRegSingleDest(id->idIns()))
         {
             switch (id->idIns())