--- a/hotspot/src/cpu/aarch64/vm/assembler_aarch64.hpp	Thu Oct 01 11:52:44 2015 -0700
+++ b/hotspot/src/cpu/aarch64/vm/assembler_aarch64.hpp	Wed Sep 30 04:35:39 2015 -0400
@@ -2313,6 +2313,8 @@
 
 #define ASSERTION (T == T2S || T == T4S || T == T2D)
   INSN(fsqrt, 1, 0b11111);
+  INSN(fabs,  0, 0b01111);
+  INSN(fneg,  1, 0b01111);
 #undef ASSERTION
 
 #define ASSERTION (T == T8B || T == T16B || T == T4H || T == T8H || T == T2S || T == T4S)