diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 9b9d60e..2fb0c25 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -219,6 +219,16 @@
     }
   }
 
+  if (Implementer == "0x46") { // Fujitsu Ltd.
+    for (unsigned I = 0, E = Lines.size(); I != E; ++I) {
+      if (Lines[I].startswith("CPU part")) {
+        return StringSwitch<const char *>(Lines[I].substr(8).ltrim("\t :"))
+          .Case("0x001", "a64fx")
+          .Default("generic");
+      }
+    }
+  }
+
   if (Implementer == "0x48") // HiSilicon Technologies, Inc.
     // Look for the CPU part line.
     for (unsigned I = 0, E = Lines.size(); I != E; ++I)