1 /*
2 * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
110 const Type* val_type) const;
111 virtual Node* atomic_cmpxchg_bool_at_resolved(C2AtomicParseAccess& access,
112 Node* expected_val,
113 Node* new_val,
114 const Type* value_type) const;
115 virtual Node* atomic_xchg_at_resolved(C2AtomicParseAccess& access,
116 Node* new_val,
117 const Type* val_type) const;
118
119 public:
120 virtual uint estimated_barrier_size(const Node* node) const;
121 virtual void* create_barrier_state(Arena* comp_arena) const;
122 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc,
123 BasicType type,
124 bool is_clone,
125 bool is_clone_instance,
126 ArrayCopyPhase phase) const;
127 virtual void clone_at_expansion(PhaseMacroExpand* phase,
128 ArrayCopyNode* ac) const;
129
130 virtual void elide_dominated_barrier(MachNode* mach) const;
131 virtual void late_barrier_analysis() const;
132 virtual int estimate_stub_size() const;
133 virtual void emit_stubs(CodeBuffer& cb) const;
134 virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;
135 virtual void eliminate_gc_barrier_data(Node* node) const;
136
137 #ifndef PRODUCT
138 virtual void dump_barrier_data(const MachNode* mach, outputStream* st) const;
139 #endif
140 };
141
142 #endif // SHARE_GC_Z_C2_ZBARRIERSETC2_HPP
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1 /*
2 * Copyright (c) 2015, 2026, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
110 const Type* val_type) const;
111 virtual Node* atomic_cmpxchg_bool_at_resolved(C2AtomicParseAccess& access,
112 Node* expected_val,
113 Node* new_val,
114 const Type* value_type) const;
115 virtual Node* atomic_xchg_at_resolved(C2AtomicParseAccess& access,
116 Node* new_val,
117 const Type* val_type) const;
118
119 public:
120 virtual uint estimated_barrier_size(const Node* node) const;
121 virtual void* create_barrier_state(Arena* comp_arena) const;
122 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc,
123 BasicType type,
124 bool is_clone,
125 bool is_clone_instance,
126 ArrayCopyPhase phase) const;
127 virtual void clone_at_expansion(PhaseMacroExpand* phase,
128 ArrayCopyNode* ac) const;
129
130 virtual void elide_dominated_barrier(MachNode* mach, MachNode* dominator) const;
131 virtual void late_barrier_analysis() const;
132 virtual int estimate_stub_size() const;
133 virtual void emit_stubs(CodeBuffer& cb) const;
134 virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;
135 virtual void eliminate_gc_barrier_data(Node* node) const;
136
137 #ifndef PRODUCT
138 virtual void dump_barrier_data(const MachNode* mach, outputStream* st) const;
139 #endif
140 };
141
142 #endif // SHARE_GC_Z_C2_ZBARRIERSETC2_HPP
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