FuncInst(ModelAction *act, FuncNode *func_node);
~FuncInst();
- //ModelAction * get_action() const { return action; }
const char * get_position() const { return position; }
+
void * get_location() const { return location; }
+ void set_location(void * loc) { location = loc; }
+ void unset_location() { location = NULL; }
+
action_type get_type() const { return type; }
+ memory_order get_mo() const { return order; }
FuncNode * get_func_node() const { return func_node; }
bool add_pred(FuncInst * other);
bool add_succ(FuncInst * other);
- FuncInst * search_in_collision(ModelAction *act);
+ //FuncInst * search_in_collision(ModelAction *act);
+ //func_inst_list_mt * get_collisions() { return &collisions; }
- func_inst_list_mt * get_collisions() { return &collisions; }
func_inst_list_mt * get_preds() { return &predecessors; }
func_inst_list_mt * get_succs() { return &successors; }
bool is_read() const;
bool is_write() const;
+ bool is_single_location() { return single_location; }
+ void not_single_location() { single_location = false; }
+
+ void print();
MEMALLOC
private:
- //ModelAction * const action;
const char * position;
+
+ /* Atomic operations with the same source line number may act at different
+ * memory locations, such as the next field of the head pointer in ms-queue.
+ * location only stores the memory location when this FuncInst was constructed.
+ */
void * location;
action_type type;
+ memory_order order;
FuncNode * func_node;
- /* collisions store a list of FuncInsts with the same position
+ bool single_location;
+
+ /* Currently not in use. May remove this field later
+ *
+ * collisions store a list of FuncInsts with the same position
* but different action types. For example, CAS is broken down
* as three different atomic operations in cmodelint.cc */
- func_inst_list_mt collisions;
+ // func_inst_list_mt collisions;
func_inst_list_mt predecessors;
func_inst_list_mt successors;