diff --git a/lib/rubinius/code/compiler/generator_methods.rb b/lib/rubinius/code/compiler/generator_methods.rb
index a304c4f..6d0baee 100644
--- a/lib/rubinius/code/compiler/generator_methods.rb
+++ b/lib/rubinius/code/compiler/generator_methods.rb
@@ -1982,5 +1982,17 @@ def r_load_index(arg1, arg2, arg3)
         @ip += 4
         @instruction = 282
       end
+
+      def r_refcnt_inc(arg1)
+        @stream << 283 << arg1
+        @ip += 2
+        @instruction = 283
+      end
+
+      def r_refcnt_dec(arg1)
+        @stream << 284 << arg1
+        @ip += 2
+        @instruction = 284
+      end
   end
 end
diff --git a/lib/rubinius/code/compiler/opcodes.rb b/lib/rubinius/code/compiler/opcodes.rb
index 11f0146..d9decfa 100644
--- a/lib/rubinius/code/compiler/opcodes.rb
+++ b/lib/rubinius/code/compiler/opcodes.rb
@@ -322,5 +322,7 @@ class InstructionSet
     opcode 281, :r_store_ivar,               :stack => [0, 0],     :args => [:r0, :r1, :literal],             :control_flow => :next
     opcode 282, :r_load_index,               :stack => [0, 0],     :args => [:r0, :r1, :literal],             :control_flow => :next
 
+    opcode 283, :r_refcnt_inc,               :stack => [0, 0],     :args => [:r0],                            :control_flow => :next
+    opcode 284, :r_refcnt_dec,               :stack => [0, 0],     :args => [:r0],                            :control_flow => :next
   end
 end