--- old/src/hotspot/cpu/x86/interp_masm_x86.hpp	2019-11-27 16:55:42.239945310 +0100
+++ new/src/hotspot/cpu/x86/interp_masm_x86.hpp	2019-11-27 16:55:42.095942786 +0100
@@ -227,7 +227,7 @@
   void allocate_instance(Register klass, Register new_obj,
                          Register t1, Register t2,
                          bool clear_fields, Label& alloc_failed);
-  // Allocate value buffer in new_obj and read in flattened field
+  // Allocate value buffer in "obj" and read in flattened field
   // NOTES:
   //   - input holder object via "obj", which must be rax,
   //     will return new value buffer obj via the same reg
@@ -237,6 +237,15 @@
                             Register field_index, Register field_offset,
                             Register obj = rax);
 
+  // Allocate value buffer in "obj" and read in flattened element at the given index
+  // NOTES:
+  //   - Return via "obj" must be rax
+  //   - kills all given regs
+  //   - 32 bits: kills rdi and rsi
+  void read_flattened_element(Register array, Register index,
+                              Register t1, Register t2,
+                              Register obj = rax);
+
   // Object locking
   void lock_object  (Register lock_reg);
   void unlock_object(Register lock_reg);