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/modRefBarrierSetAssembler.hpp"
29
30 #define __ masm->
31
32 void ModRefBarrierSetAssembler::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 ModRefBarrierSetAssembler::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 ModRefBarrierSetAssembler::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 }
52
53 void ModRefBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
54 const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3) {
55 if (type == T_OBJECT || type == T_ARRAY) {
56 oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
57 } else {
58 BarrierSetAssembler::store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
59 }
60 }
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1 /*
2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2018, 2019, 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/modRefBarrierSetAssembler.hpp"
29
30 #define __ masm->
31
32 void ModRefBarrierSetAssembler::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 ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
38 Register src, Register dst, Register count) {
39 if (is_reference_type(type)) {
40 gen_write_ref_array_pre_barrier(masm, decorators, dst, count);
41 }
42 }
43
44 void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
45 Register dst, Register count, bool do_return) {
46 if (is_reference_type(type)) {
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 }
52
53 void ModRefBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
54 const Address& dst, Register val, Register tmp1, Register tmp2, Register tmp3) {
55 if (is_reference_type(type)) {
56 oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
57 } else {
58 BarrierSetAssembler::store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
59 }
60 }
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