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/modRefBarrierSetC2.hpp"
29
30 class CardTableBarrierSetC2: public ModRefBarrierSetC2 {
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 Node* byte_map_base_node(GraphKit* kit) const;
39
40 public:
41 virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;
42 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const;
43
44 static bool use_ReduceInitialCardMarks();
45 };
46
47 #endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
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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/modRefBarrierSetC2.hpp"
29
30 class CardTableBarrierSetC2: public ModRefBarrierSetC2 {
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 Node* byte_map_base_node(GraphKit* kit) const;
39
40 public:
41 virtual void eliminate_gc_barrier(PhaseIterGVN* igvn, Node* node) const;
42 virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const;
43
44 static bool use_ReduceInitialCardMarks();
45 };
46
47 #endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP
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