src/share/vm/opto/connode.hpp
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*** 137,755 ****
return new (C) ConDNode( TypeD::make(con) );
}
};
- //------------------------------BinaryNode-------------------------------------
- // Place holder for the 2 conditional inputs to a CMove. CMove needs 4
- // inputs: the Bool (for the lt/gt/eq/ne bits), the flags (result of some
- // compare), and the 2 values to select between. The Matcher requires a
- // binary tree so we break it down like this:
- // (CMove (Binary bol cmp) (Binary src1 src2))
- class BinaryNode : public Node {
- public:
- BinaryNode( Node *n1, Node *n2 ) : Node(0,n1,n2) { }
- virtual int Opcode() const;
- virtual uint ideal_reg() const { return 0; }
- };
-
- //------------------------------CMoveNode--------------------------------------
- // Conditional move
- class CMoveNode : public TypeNode {
- public:
- enum { Control, // When is it safe to do this cmove?
- Condition, // Condition controlling the cmove
- IfFalse, // Value if condition is false
- IfTrue }; // Value if condition is true
- CMoveNode( Node *bol, Node *left, Node *right, const Type *t ) : TypeNode(t,4)
- {
- init_class_id(Class_CMove);
- // all inputs are nullified in Node::Node(int)
- // init_req(Control,NULL);
- init_req(Condition,bol);
- init_req(IfFalse,left);
- init_req(IfTrue,right);
- }
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- static CMoveNode *make( Compile *C, Node *c, Node *bol, Node *left, Node *right, const Type *t );
- // Helper function to spot cmove graph shapes
- static Node *is_cmove_id( PhaseTransform *phase, Node *cmp, Node *t, Node *f, BoolNode *b );
- };
-
- //------------------------------CMoveDNode-------------------------------------
- class CMoveDNode : public CMoveNode {
- public:
- CMoveDNode( Node *bol, Node *left, Node *right, const Type* t) : CMoveNode(bol,left,right,t){}
- virtual int Opcode() const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- };
-
- //------------------------------CMoveFNode-------------------------------------
- class CMoveFNode : public CMoveNode {
- public:
- CMoveFNode( Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) {}
- virtual int Opcode() const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- };
-
- //------------------------------CMoveINode-------------------------------------
- class CMoveINode : public CMoveNode {
- public:
- CMoveINode( Node *bol, Node *left, Node *right, const TypeInt *ti ) : CMoveNode(bol,left,right,ti){}
- virtual int Opcode() const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- };
-
- //------------------------------CMoveLNode-------------------------------------
- class CMoveLNode : public CMoveNode {
- public:
- CMoveLNode(Node *bol, Node *left, Node *right, const TypeLong *tl ) : CMoveNode(bol,left,right,tl){}
- virtual int Opcode() const;
- };
-
- //------------------------------CMovePNode-------------------------------------
- class CMovePNode : public CMoveNode {
- public:
- CMovePNode( Node *c, Node *bol, Node *left, Node *right, const TypePtr* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); }
- virtual int Opcode() const;
- };
-
- //------------------------------CMoveNNode-------------------------------------
- class CMoveNNode : public CMoveNode {
- public:
- CMoveNNode( Node *c, Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); }
- virtual int Opcode() const;
- };
-
- //------------------------------ConstraintCastNode-----------------------------
- // cast to a different range
- class ConstraintCastNode: public TypeNode {
- public:
- ConstraintCastNode (Node *n, const Type *t ): TypeNode(t,2) {
- init_class_id(Class_ConstraintCast);
- init_req(1, n);
- }
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual int Opcode() const;
- virtual uint ideal_reg() const = 0;
- virtual Node *Ideal_DU_postCCP( PhaseCCP * );
- };
-
- //------------------------------CastIINode-------------------------------------
- // cast integer to integer (different range)
- class CastIINode: public ConstraintCastNode {
- public:
- CastIINode (Node *n, const Type *t ): ConstraintCastNode(n,t) {}
- virtual int Opcode() const;
- virtual uint ideal_reg() const { return Op_RegI; }
- };
-
- //------------------------------CastPPNode-------------------------------------
- // cast pointer to pointer (different type)
- class CastPPNode: public ConstraintCastNode {
- public:
- CastPPNode (Node *n, const Type *t ): ConstraintCastNode(n, t) {}
- virtual int Opcode() const;
- virtual uint ideal_reg() const { return Op_RegP; }
- virtual Node *Ideal_DU_postCCP( PhaseCCP * );
- };
-
- //------------------------------CheckCastPPNode--------------------------------
- // for _checkcast, cast pointer to pointer (different type), without JOIN,
- class CheckCastPPNode: public TypeNode {
- public:
- CheckCastPPNode( Node *c, Node *n, const Type *t ) : TypeNode(t,2) {
- init_class_id(Class_CheckCastPP);
- init_req(0, c);
- init_req(1, n);
- }
-
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual int Opcode() const;
- virtual uint ideal_reg() const { return Op_RegP; }
- // No longer remove CheckCast after CCP as it gives me a place to hang
- // the proper address type - which is required to compute anti-deps.
- //virtual Node *Ideal_DU_postCCP( PhaseCCP * );
- };
-
-
- //------------------------------EncodeNarrowPtr--------------------------------
- class EncodeNarrowPtrNode : public TypeNode {
- protected:
- EncodeNarrowPtrNode(Node* value, const Type* type):
- TypeNode(type, 2) {
- init_class_id(Class_EncodeNarrowPtr);
- init_req(0, NULL);
- init_req(1, value);
- }
- public:
- virtual uint ideal_reg() const { return Op_RegN; }
- virtual Node *Ideal_DU_postCCP( PhaseCCP *ccp );
- };
-
- //------------------------------EncodeP--------------------------------
- // Encodes an oop pointers into its compressed form
- // Takes an extra argument which is the real heap base as a long which
- // may be useful for code generation in the backend.
- class EncodePNode : public EncodeNarrowPtrNode {
- public:
- EncodePNode(Node* value, const Type* type):
- EncodeNarrowPtrNode(value, type) {
- init_class_id(Class_EncodeP);
- }
- virtual int Opcode() const;
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- };
-
- //------------------------------EncodePKlass--------------------------------
- // Encodes a klass pointer into its compressed form
- // Takes an extra argument which is the real heap base as a long which
- // may be useful for code generation in the backend.
- class EncodePKlassNode : public EncodeNarrowPtrNode {
- public:
- EncodePKlassNode(Node* value, const Type* type):
- EncodeNarrowPtrNode(value, type) {
- init_class_id(Class_EncodePKlass);
- }
- virtual int Opcode() const;
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- };
-
- //------------------------------DecodeNarrowPtr--------------------------------
- class DecodeNarrowPtrNode : public TypeNode {
- protected:
- DecodeNarrowPtrNode(Node* value, const Type* type):
- TypeNode(type, 2) {
- init_class_id(Class_DecodeNarrowPtr);
- init_req(0, NULL);
- init_req(1, value);
- }
- public:
- virtual uint ideal_reg() const { return Op_RegP; }
- };
-
- //------------------------------DecodeN--------------------------------
- // Converts a narrow oop into a real oop ptr.
- // Takes an extra argument which is the real heap base as a long which
- // may be useful for code generation in the backend.
- class DecodeNNode : public DecodeNarrowPtrNode {
- public:
- DecodeNNode(Node* value, const Type* type):
- DecodeNarrowPtrNode(value, type) {
- init_class_id(Class_DecodeN);
- }
- virtual int Opcode() const;
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- };
-
- //------------------------------DecodeNKlass--------------------------------
- // Converts a narrow klass pointer into a real klass ptr.
- // Takes an extra argument which is the real heap base as a long which
- // may be useful for code generation in the backend.
- class DecodeNKlassNode : public DecodeNarrowPtrNode {
- public:
- DecodeNKlassNode(Node* value, const Type* type):
- DecodeNarrowPtrNode(value, type) {
- init_class_id(Class_DecodeNKlass);
- }
- virtual int Opcode() const;
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- };
-
- //------------------------------Conv2BNode-------------------------------------
- // Convert int/pointer to a Boolean. Map zero to zero, all else to 1.
- class Conv2BNode : public Node {
- public:
- Conv2BNode( Node *i ) : Node(0,i) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeInt::BOOL; }
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- 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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- 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( PhaseTransform *phase ) const;
- virtual uint ideal_reg() const { return Op_RegD; }
- };
-
- //------------------------------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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual uint ideal_reg() const { return Op_RegL; }
- };
-
- //------------------------------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( PhaseTransform *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( PhaseTransform *phase ) const;
- virtual Node *Identity( PhaseTransform *phase );
- virtual uint ideal_reg() const { return Op_RegF; }
- };
-
- //------------------------------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( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- 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( PhaseTransform *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( PhaseTransform *phase ) const;
- virtual uint ideal_reg() const { return Op_RegF; }
- };
-
- //------------------------------ConvL2INode------------------------------------
- // Convert long to integer
- class ConvL2INode : public Node {
- public:
- ConvL2INode( Node *in1 ) : Node(0,in1) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeInt::INT; }
- virtual Node *Identity( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual uint ideal_reg() const { return Op_RegI; }
- };
-
- //------------------------------CastX2PNode-------------------------------------
- // convert a machine-pointer-sized integer to a raw pointer
- class CastX2PNode : public Node {
- public:
- CastX2PNode( Node *n ) : Node(NULL, n) {}
- virtual int Opcode() const;
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual Node *Identity( PhaseTransform *phase );
- virtual uint ideal_reg() const { return Op_RegP; }
- virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; }
- };
-
- //------------------------------CastP2XNode-------------------------------------
- // Used in both 32-bit and 64-bit land.
- // Used for card-marks and unsafe pointer math.
- class CastP2XNode : public Node {
- public:
- CastP2XNode( Node *ctrl, Node *n ) : Node(ctrl, n) {}
- virtual int Opcode() const;
- virtual const Type *Value( PhaseTransform *phase ) const;
- virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
- virtual Node *Identity( PhaseTransform *phase );
- virtual uint ideal_reg() const { return Op_RegX; }
- virtual const Type *bottom_type() const { return TypeX_X; }
- // Return false to keep node from moving away from an associated card mark.
- virtual bool depends_only_on_test() const { return false; }
- };
-
//------------------------------ThreadLocalNode--------------------------------
// Ideal Node which returns the base of ThreadLocalStorage.
class ThreadLocalNode : public Node {
public:
ThreadLocalNode( ) : Node((Node*)Compile::current()->root()) {}
virtual int Opcode() const;
virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM;}
virtual uint ideal_reg() const { return Op_RegP; }
};
- //------------------------------LoadReturnPCNode-------------------------------
- class LoadReturnPCNode: public Node {
- public:
- LoadReturnPCNode(Node *c) : Node(c) { }
- virtual int Opcode() const;
- virtual uint ideal_reg() const { return Op_RegP; }
- };
-
- //-----------------------------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( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *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( PhaseTransform *phase );
- virtual const Type *Value( PhaseTransform *phase ) const;
- };
-
- //------------------------------Opaque1Node------------------------------------
- // A node to prevent unwanted optimizations. Allows constant folding.
- // Stops value-numbering, Ideal calls or Identity functions.
- class Opaque1Node : public Node {
- virtual uint hash() const ; // { return NO_HASH; }
- virtual uint cmp( const Node &n ) const;
- public:
- Opaque1Node( Compile* C, Node *n ) : Node(0,n) {
- // Put it on the Macro nodes list to removed during macro nodes expansion.
- init_flags(Flag_is_macro);
- C->add_macro_node(this);
- }
- // Special version for the pre-loop to hold the original loop limit
- // which is consumed by range check elimination.
- Opaque1Node( Compile* C, Node *n, Node* orig_limit ) : Node(0,n,orig_limit) {
- // Put it on the Macro nodes list to removed during macro nodes expansion.
- init_flags(Flag_is_macro);
- C->add_macro_node(this);
- }
- Node* original_loop_limit() { return req()==3 ? in(2) : NULL; }
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeInt::INT; }
- virtual Node *Identity( PhaseTransform *phase );
- };
-
- //------------------------------Opaque2Node------------------------------------
- // A node to prevent unwanted optimizations. Allows constant folding. Stops
- // value-numbering, most Ideal calls or Identity functions. This Node is
- // specifically designed to prevent the pre-increment value of a loop trip
- // counter from being live out of the bottom of the loop (hence causing the
- // pre- and post-increment values both being live and thus requiring an extra
- // temp register and an extra move). If we "accidentally" optimize through
- // this kind of a Node, we'll get slightly pessimal, but correct, code. Thus
- // it's OK to be slightly sloppy on optimizations here.
- class Opaque2Node : public Node {
- virtual uint hash() const ; // { return NO_HASH; }
- virtual uint cmp( const Node &n ) const;
- public:
- Opaque2Node( Compile* C, Node *n ) : Node(0,n) {
- // Put it on the Macro nodes list to removed during macro nodes expansion.
- init_flags(Flag_is_macro);
- C->add_macro_node(this);
- }
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeInt::INT; }
- };
-
- //----------------------PartialSubtypeCheckNode--------------------------------
- // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass
- // array for an instance of the superklass. Set a hidden internal cache on a
- // hit (cache is checked with exposed code in gen_subtype_check()). Return
- // not zero for a miss or zero for a hit.
- class PartialSubtypeCheckNode : public Node {
- public:
- PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; }
- virtual uint ideal_reg() const { return Op_RegP; }
- };
-
- //
- class MoveI2FNode : public Node {
- public:
- MoveI2FNode( Node *value ) : Node(0,value) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return Type::FLOAT; }
- virtual uint ideal_reg() const { return Op_RegF; }
- virtual const Type* Value( PhaseTransform *phase ) const;
- };
-
- class MoveL2DNode : public Node {
- public:
- MoveL2DNode( Node *value ) : Node(0,value) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return Type::DOUBLE; }
- virtual uint ideal_reg() const { return Op_RegD; }
- virtual const Type* Value( PhaseTransform *phase ) const;
- };
-
- class MoveF2INode : public Node {
- public:
- MoveF2INode( Node *value ) : Node(0,value) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeInt::INT; }
- virtual uint ideal_reg() const { return Op_RegI; }
- virtual const Type* Value( PhaseTransform *phase ) const;
- };
-
- class MoveD2LNode : public Node {
- public:
- MoveD2LNode( Node *value ) : Node(0,value) {}
- virtual int Opcode() const;
- virtual const Type *bottom_type() const { return TypeLong::LONG; }
- virtual uint ideal_reg() const { return Op_RegL; }
- virtual const Type* Value( PhaseTransform *phase ) const;
- };
-
- //---------- CountBitsNode -----------------------------------------------------
- class CountBitsNode : public Node {
- public:
- CountBitsNode(Node* in1) : Node(0, in1) {}
- const Type* bottom_type() const { return TypeInt::INT; }
- virtual uint ideal_reg() const { return Op_RegI; }
- };
-
- //---------- CountLeadingZerosINode --------------------------------------------
- // Count leading zeros (0-bit count starting from MSB) of an integer.
- class CountLeadingZerosINode : public CountBitsNode {
- public:
- CountLeadingZerosINode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- virtual const Type* Value(PhaseTransform* phase) const;
- };
-
- //---------- CountLeadingZerosLNode --------------------------------------------
- // Count leading zeros (0-bit count starting from MSB) of a long.
- class CountLeadingZerosLNode : public CountBitsNode {
- public:
- CountLeadingZerosLNode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- virtual const Type* Value(PhaseTransform* phase) const;
- };
-
- //---------- CountTrailingZerosINode -------------------------------------------
- // Count trailing zeros (0-bit count starting from LSB) of an integer.
- class CountTrailingZerosINode : public CountBitsNode {
- public:
- CountTrailingZerosINode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- virtual const Type* Value(PhaseTransform* phase) const;
- };
-
- //---------- CountTrailingZerosLNode -------------------------------------------
- // Count trailing zeros (0-bit count starting from LSB) of a long.
- class CountTrailingZerosLNode : public CountBitsNode {
- public:
- CountTrailingZerosLNode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- virtual const Type* Value(PhaseTransform* phase) const;
- };
-
- //---------- PopCountINode -----------------------------------------------------
- // Population count (bit count) of an integer.
- class PopCountINode : public CountBitsNode {
- public:
- PopCountINode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- };
-
- //---------- PopCountLNode -----------------------------------------------------
- // Population count (bit count) of a long.
- class PopCountLNode : public CountBitsNode {
- public:
- PopCountLNode(Node* in1) : CountBitsNode(in1) {}
- virtual int Opcode() const;
- };
#endif // SHARE_VM_OPTO_CONNODE_HPP
--- 137,154 ----