src/hotspot/share/opto/convertnode.hpp

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#ifndef SHARE_OPTO_CONVERTNODE_HPP
#define SHARE_OPTO_CONVERTNODE_HPP

#include "opto/node.hpp"
#include "opto/opcodes.hpp"


//------------------------------Conv2BNode-------------------------------------
// Convert int/pointer to a Boolean.  Map zero to zero, all else to 1.
class Conv2BNode : public Node {
  public:
  Conv2BNode(Node* i) : Node(nullptr, i) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeInt::BOOL; }
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegI; }
};

// The conversions operations are all Alpha sorted.  Please keep it that way!
//------------------------------ConvD2FNode------------------------------------
// Convert double to float
class ConvD2FNode : public Node {
  public:
  ConvD2FNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::FLOAT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint  ideal_reg() const { return Op_RegF; }
};

//------------------------------ConvD2INode------------------------------------
// Convert Double to Integer
class ConvD2INode : public Node {
  public:
  ConvD2INode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeInt::INT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint  ideal_reg() const { return Op_RegI; }
};

//------------------------------ConvD2LNode------------------------------------
// Convert Double to Long
class ConvD2LNode : public Node {
  public:
  ConvD2LNode( Node *dbl ) : Node(0,dbl) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeLong::LONG; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint ideal_reg() const { return Op_RegL; }
};

class RoundDNode : public Node {
  public:
  RoundDNode( Node *dbl ) : Node(0,dbl) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeLong::LONG; }
  virtual uint ideal_reg() const { return Op_RegL; }
};

//------------------------------ConvF2DNode------------------------------------
// Convert Float to a Double.
class ConvF2DNode : public Node {
  public:
  ConvF2DNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::DOUBLE; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegD; }
};

//------------------------------ConvF2HFNode------------------------------------
// Convert Float to Halffloat
class ConvF2HFNode : public Node {
  public:
  ConvF2HFNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeInt::SHORT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegI; }
};

//------------------------------ConvF2INode------------------------------------
// Convert float to integer
class ConvF2INode : public Node {
  public:
  ConvF2INode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeInt::INT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint  ideal_reg() const { return Op_RegI; }
};


//------------------------------ConvF2LNode------------------------------------
// Convert float to long
class ConvF2LNode : public Node {
  public:
  ConvF2LNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeLong::LONG; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint  ideal_reg() const { return Op_RegL; }
};

//------------------------------ConvHF2FNode------------------------------------
// Convert Halffloat to float
class ConvHF2FNode : public Node {
  public:
  ConvHF2FNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::FLOAT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegF; }
};

//------------------------------ConvI2DNode------------------------------------
// Convert Integer to Double
class ConvI2DNode : public Node {
  public:
  ConvI2DNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::DOUBLE; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegD; }
};

//------------------------------ConvI2FNode------------------------------------
// Convert Integer to Float
class ConvI2FNode : public Node {
  public:
  ConvI2FNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::FLOAT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual uint  ideal_reg() const { return Op_RegF; }
};

class RoundFNode : public Node {
  public:
  RoundFNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return TypeInt::INT; }
  virtual uint  ideal_reg() const { return Op_RegI; }
};

//------------------------------ConvI2LNode------------------------------------
// Convert integer to long
class ConvI2LNode : public TypeNode {
  public:
  ConvI2LNode(Node *in1, const TypeLong* t = TypeLong::INT)
  : TypeNode(t, 2)
  { init_req(1, in1); }
  virtual int Opcode() const;
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual Node* Identity(PhaseGVN* phase);
  virtual uint  ideal_reg() const { return Op_RegL; }
};

//------------------------------ConvL2DNode------------------------------------
// Convert Long to Double
class ConvL2DNode : public Node {
  public:
  ConvL2DNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::DOUBLE; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint ideal_reg() const { return Op_RegD; }
};

//------------------------------ConvL2FNode------------------------------------
// Convert Long to Float
class ConvL2FNode : public Node {
  public:
  ConvL2FNode( Node *in1 ) : Node(0,in1) {}
  virtual int Opcode() const;
  virtual const Type *bottom_type() const { return Type::FLOAT; }
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual uint  ideal_reg() const { return Op_RegF; }
};

//------------------------------ConvL2INode------------------------------------
// Convert long to integer
class ConvL2INode : public TypeNode {
  public:
  ConvL2INode(Node *in1, const TypeInt* t = TypeInt::INT)
  : TypeNode(t, 2) {
    init_req(1, in1);
  }
  virtual int Opcode() const;
  virtual Node* Identity(PhaseGVN* phase);
  virtual const Type* Value(PhaseGVN* phase) const;
  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
  virtual uint  ideal_reg() const { return Op_RegI; }
};

//-----------------------------RoundFloatNode----------------------------------
class RoundFloatNode: public Node {
  public:
  RoundFloatNode(Node* c, Node *in1): Node(c, in1) {}
  virtual int   Opcode() const;
  virtual const Type *bottom_type() const { return Type::FLOAT; }
  virtual uint  ideal_reg() const { return Op_RegF; }
  virtual Node* Identity(PhaseGVN* phase);
  virtual const Type* Value(PhaseGVN* phase) const;
};


//-----------------------------RoundDoubleNode---------------------------------
class RoundDoubleNode: public Node {
  public:
  RoundDoubleNode(Node* c, Node *in1): Node(c, in1) {}
  virtual int   Opcode() const;
  virtual const Type *bottom_type() const { return Type::DOUBLE; }
  virtual uint  ideal_reg() const { return Op_RegD; }
  virtual Node* Identity(PhaseGVN* phase);
  virtual const Type* Value(PhaseGVN* phase) const;
};

//-----------------------------RoundDoubleModeNode-----------------------------
class RoundDoubleModeNode: public Node {
  public:
  enum RoundingMode {
    rmode_rint  = 0,
    rmode_floor = 1,
    rmode_ceil  = 2
  };
  RoundDoubleModeNode(Node *in1, Node * rmode): Node(0, in1, rmode) {}
  static RoundDoubleModeNode* make(PhaseGVN& gvn, Node* arg, RoundDoubleModeNode::RoundingMode rmode);
  virtual int   Opcode() const;
  virtual const Type *bottom_type() const { return Type::DOUBLE; }
  virtual uint  ideal_reg() const { return Op_RegD; }
  virtual Node* Identity(PhaseGVN* phase);
  virtual const Type* Value(PhaseGVN* phase) const;
};


#endif // SHARE_OPTO_CONVERTNODE_HPP