diff a/src/hotspot/cpu/ppc/interp_masm_ppc.hpp b/src/hotspot/cpu/ppc/interp_masm_ppc.hpp
--- a/src/hotspot/cpu/ppc/interp_masm_ppc.hpp
+++ b/src/hotspot/cpu/ppc/interp_masm_ppc.hpp
@@ -83,11 +83,11 @@
                      address entry_point, Register arg_1, Register arg_2, bool check_exception = true);
 
   // Generate a subtype check: branch to ok_is_subtype if sub_klass is
   // a subtype of super_klass.  Blows registers tmp1, tmp2 and tmp3.
   void gen_subtype_check(Register sub_klass, Register super_klass,
-                         Register tmp1, Register tmp2, Register tmp3, Label &ok_is_subtype);
+                         Register tmp1, Register tmp2, Register tmp3, Label &ok_is_subtype, bool profile = true);
 
   // Load object from cpool->resolved_references(index).
   void load_resolved_reference_at_index(Register result, Register index, Register tmp1, Register tmp2,
                                         Label *L_handle_null = nullptr);
 
@@ -253,20 +253,26 @@
                             Register scratch);
   void update_mdp_by_constant(int constant);
   void update_mdp_for_ret(TosState state, Register return_bci);
 
   void profile_taken_branch(Register scratch, Register bumped_count);
-  void profile_not_taken_branch(Register scratch1, Register scratch2);
+  void profile_not_taken_branch(Register scratch1, Register scratch2, bool acmp = false);
   void profile_call(Register scratch1, Register scratch2);
   void profile_final_call(Register scratch1, Register scratch2);
   void profile_virtual_call(Register Rreceiver, Register Rscratch1, Register Rscratch2);
   void profile_typecheck(Register Rklass, Register Rscratch1, Register Rscratch2);
   void profile_ret(TosState state, Register return_bci, Register scratch1, Register scratch2);
   void profile_switch_default(Register scratch1, Register scratch2);
   void profile_switch_case(Register index, Register scratch1,Register scratch2, Register scratch3);
   void profile_null_seen(Register Rscratch1, Register Rscratch2);
 
+  template <class ArrayData> void profile_array_type(Register array, Register tmp1, Register tmp2);
+
+  void profile_multiple_element_types(Register element, Register tmp1, Register tmp2, Register tmp3);
+  void profile_element_type(Register element, Register tmp1, Register tmp2);
+  void profile_acmp(Register left, Register right, Register tmp1, Register tmp2);
+
   // Argument and return type profiling.
   void profile_obj_type(Register obj, Register mdo_addr_base, RegisterOrConstant mdo_addr_offs, Register tmp, Register tmp2);
   void profile_arguments_type(Register callee, Register tmp1, Register tmp2, bool is_virtual);
   void profile_return_type(Register ret, Register tmp1, Register tmp2);
   void profile_parameters_type(Register tmp1, Register tmp2, Register tmp3, Register tmp4);
@@ -279,8 +285,15 @@
 
   // Support for jvmdi/jvmpi.
   void notify_method_entry();
   void notify_method_exit(bool is_native_method, TosState state,
                           NotifyMethodExitMode mode, bool check_exceptions);
+
+  // Allocate instance in "obj" and read in the content of the inline field
+  // NOTES:
+  //   - input holder object via "obj", which must be r0,
+  //     will return new instance via the same reg
+  void read_flat_field(Register entry, Register obj);
+  void write_flat_field(Register entry, Register tmp1, Register tmp2, Register obj, Register field_offset, Register value);
 };
 
 #endif // CPU_PPC_INTERP_MASM_PPC_HPP