1 /*
 2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2018, SAP SE. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26 #include "precompiled.hpp"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "gc/shared/modRefBSCodeGen.hpp"
29 
30 #define __ masm->
31 
32 void ModRefBSCodeGen::gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,
33                                                        bool do_return) {
34   if (do_return) { __ z_br(Z_R14); }
35 }
36 
37 void ModRefBSCodeGen::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
38                                          Register src, Register dst, Register count) {
39   if (type == T_OBJECT || type == T_ARRAY) {
40     gen_write_ref_array_pre_barrier(masm, decorators, dst, count);
41   }
42 }
43 
44 void ModRefBSCodeGen::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
45                                          Register dst, Register count, bool do_return) {
46   if (type == T_OBJECT || type == T_ARRAY) {
47     gen_write_ref_array_post_barrier(masm, decorators, dst, count, do_return);
48   } else {
49     if (do_return) { __ z_br(Z_R14); }
50   }
51 }