--- old/src/hotspot/share/c1/c1_LIR.hpp	2020-05-20 18:00:00.446082348 -0700
+++ new/src/hotspot/share/c1/c1_LIR.hpp	2020-05-20 18:00:00.042074591 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2020, 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
@@ -913,8 +913,6 @@
       , lir_monaddr
       , lir_roundfp
       , lir_safepoint
-      , lir_pack64
-      , lir_unpack64
       , lir_unwind
   , end_op1
   , begin_op2
@@ -2109,9 +2107,6 @@
   void logical_or  (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or,   left, right, dst)); }
   void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor,  left, right, dst)); }
 
-  void   pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64,   src, dst, T_LONG, lir_patch_none, NULL)); }
-  void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); }
-
   void null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null = false);
   void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) {
     append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info));