--- a/hotspot/src/cpu/arm/vm/assembler_arm_64.hpp	Tue Jun 06 17:07:42 2017 +0200
+++ b/hotspot/src/cpu/arm/vm/assembler_arm_64.hpp	Mon May 29 18:17:49 2017 +0200
@@ -1083,6 +1083,7 @@
 
   F(brk, 0b001, 0b000, 0b00)
   F(hlt, 0b010, 0b000, 0b00)
+  F(dpcs1, 0b101, 0b000, 0b01)
 #undef F
 
   enum SystemRegister { // o0<1> op1<3> CRn<4> CRm<4> op2<3>