diff -r a09af8ef8e5c -r 4bb58f644e4e src/hotspot/cpu/x86/c1_MacroAssembler_x86.hpp
--- a/src/hotspot/cpu/x86/c1_MacroAssembler_x86.hpp	Thu Apr 26 12:48:35 2018 -0700
+++ b/src/hotspot/cpu/x86/c1_MacroAssembler_x86.hpp	Thu Apr 26 20:42:43 2018 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -121,4 +121,9 @@
   // This platform only uses signal-based null checks. The Label is not needed.
   void null_check(Register r, Label *Lnull = NULL) { MacroAssembler::null_check(r); }
 
+  void load_parameter(int offset_in_words, Register reg);
+
+  void save_live_registers_no_oop_map(int num_rt_args, bool save_fpu_registers);
+  void restore_live_registers(bool restore_fpu_registers);
+
 #endif // CPU_X86_VM_C1_MACROASSEMBLER_X86_HPP