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 *
23 */
24
25 #ifndef SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
26 #define SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
27
28 #include "gc/shared/c2/barrierSetC2.hpp"
29
30 class CardTableBarrierSetC2: public BarrierSetC2 {
31 protected:
32 virtual void post_barrier(GraphKit* kit,
33 Node* obj,
34 Node* adr,
35 Node* val,
36 bool use_precise) const;
37
38 virtual Node* store_at_resolved(C2Access& access, C2AccessValue& val) const;
39
40 virtual Node* atomic_cmpxchg_val_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
41 Node* new_val, const Type* value_type) const;
42 virtual Node* atomic_cmpxchg_bool_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
43 Node* new_val, const Type* value_type) const;
44 virtual Node* atomic_xchg_at_resolved(C2AtomicParseAccess& access, Node* new_val, const Type* value_type) const;
45
46 Node* byte_map_base_node(GraphKit* kit) const;
47
48 public:
49 virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;
50 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const;
51
52 static bool use_ReduceInitialCardMarks();
53 };
54
55 #endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
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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 *
23 */
24
25 #ifndef SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
26 #define SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
27
28 #include "gc/shared/c2/barrierSetC2.hpp"
29
30 class IdealKit;
31
32 class CardTableBarrierSetC2: public BarrierSetC2 {
33 protected:
34 virtual void post_barrier(GraphKit* kit,
35 Node* obj,
36 Node* adr,
37 Node* val,
38 bool use_precise) const;
39
40 virtual Node* store_at_resolved(C2Access& access, C2AccessValue& val) const;
41
42 virtual Node* atomic_cmpxchg_val_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
43 Node* new_val, const Type* value_type) const;
44 virtual Node* atomic_cmpxchg_bool_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
45 Node* new_val, const Type* value_type) const;
46 virtual Node* atomic_xchg_at_resolved(C2AtomicParseAccess& access, Node* new_val, const Type* value_type) const;
47
48 Node* byte_map_base_node(IdealKit* kit) const;
49
50 public:
51 virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;
52 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const;
53
54 static bool use_ReduceInitialCardMarks();
55 };
56
57 #endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
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