diff --git a/compiler/optimizing/code_generator_arm64.h b/compiler/optimizing/code_generator_arm64.h
index eb374b5..ec48245 100644
--- a/compiler/optimizing/code_generator_arm64.h
+++ b/compiler/optimizing/code_generator_arm64.h
@@ -854,6 +854,18 @@
   virtual void MaybeGenerateMarkingRegisterCheck(int code,
                                                  Location temp_loc = Location::NoLocation());
 
+  // Create slow path for a read barrier for a heap reference within `instruction`.
+  //
+  // This is a helper function for GenerateReadBarrierSlow() that has the same
+  // arguments. The creation and adding of the slow path is exposed for intrinsics
+  // that cannot use GenerateReadBarrierSlow() from their own slow paths.
+  SlowPathCodeARM64* AddReadBarrierSlowPath(HInstruction* instruction,
+                                            Location out,
+                                            Location ref,
+                                            Location obj,
+                                            uint32_t offset,
+                                            Location index);
+
   // Generate a read barrier for a heap reference within `instruction`
   // using a slow path.
   //