--- old/src/hotspot/cpu/sparc/gc/shared/modRefBarrierSetAssembler_sparc.hpp	2020-05-01 02:28:57.479534135 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef CPU_SPARC_GC_SHARED_MODREFBARRIERSETASSEMBLER_SPARC_HPP
-#define CPU_SPARC_GC_SHARED_MODREFBARRIERSETASSEMBLER_SPARC_HPP
-
-#include "asm/macroAssembler.hpp"
-#include "gc/shared/barrierSetAssembler.hpp"
-
-// The ModRefBarrierSetAssembler filters away accesses on BasicTypes other
-// than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected
-// accesses, which are overridden in the concrete BarrierSetAssembler.
-
-class ModRefBarrierSetAssembler: public BarrierSetAssembler {
-protected:
-  virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
-                                               Register addr, Register count) {}
-  virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
-                                                Register addr, Register count, Register tmp) {}
-
-  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
-                            Register val, Address dst, Register tmp) = 0;
-public:
-  virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
-                                  Register src, Register dst, Register count);
-  virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
-                                  Register src, Register dst, Register count);
-
-  virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
-                        Register val, Address dst, Register tmp);
-};
-
-#endif // CPU_SPARC_GC_SHARED_MODREFBARRIERSETASSEMBLER_SPARC_HPP