--- a/src/hotspot/cpu/x86/gc/shared/barrierSetAssembler_x86.hpp	Wed Jun 13 06:35:04 2018 +0200
+++ b/src/hotspot/cpu/x86/gc/shared/barrierSetAssembler_x86.hpp	Wed Jun 13 10:01:53 2018 +0200
@@ -44,6 +44,18 @@
   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                         Address dst, Register val, Register tmp1, Register tmp2);
 
+#ifndef _LP64
+  virtual void obj_equals(MacroAssembler* masm,
+                          Address obj1, jobject obj2);
+  virtual void obj_equals(MacroAssembler* masm,
+                          Register obj1, jobject obj2);
+#endif
+
+  virtual void obj_equals(MacroAssembler* masm,
+                          Register obj1, Register obj2);
+  virtual void obj_equals(MacroAssembler* masm,
+                          Register obj1, Address obj2);
+
   // Support for jniFastGetField to try resolving a jobject/jweak in native
   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
                                              Register obj, Register tmp, Label& slowpath);