--- a/hotspot/src/cpu/aarch64/vm/assembler_aarch64.hpp	Mon Sep 28 16:18:15 2015 +0000
+++ b/hotspot/src/cpu/aarch64/vm/assembler_aarch64.hpp	Wed Sep 23 12:39:30 2015 -0400
@@ -2311,6 +2311,10 @@
 
 #define MSG "invalid arrangement"
 
+#define ASSERTION (T == T2S || T == T4S || T == T2D)
+  INSN(fsqrt, 1, 0b11111);
+#undef ASSERTION
+
 #define ASSERTION (T == T8B || T == T16B || T == T4H || T == T8H || T == T2S || T == T4S)
   INSN(rev64, 0, 0b00000);
 #undef ASSERTION