--- a/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp	Mon Dec 07 15:00:46 2015 +0000
+++ b/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp	Mon Dec 07 16:35:07 2015 -0800
@@ -356,6 +356,11 @@
     FLAG_SET_DEFAULT(UseCRC32Intrinsics, false);
   }
 
+  if (UseVectorizedMismatchIntrinsic) {
+    warning("UseVectorizedMismatchIntrinsic specified, but not available on this CPU.");
+    FLAG_SET_DEFAULT(UseVectorizedMismatchIntrinsic, false);
+  }
+
   if (FLAG_IS_DEFAULT(ContendedPaddingWidth) &&
     (cache_line_size > ContendedPaddingWidth))
     ContendedPaddingWidth = cache_line_size;