1.1 --- a/src/share/vm/opto/connode.hpp Mon Dec 01 09:38:52 2014 -0500
1.2 +++ b/src/share/vm/opto/connode.hpp Mon Dec 01 22:27:00 2014 +0100
1.3 @@ -241,10 +241,25 @@
1.4 //------------------------------CastIINode-------------------------------------
1.5 // cast integer to integer (different range)
1.6 class CastIINode: public ConstraintCastNode {
1.7 + private:
1.8 + // Can this node be removed post CCP or does it carry a required dependency?
1.9 + const bool _carry_dependency;
1.10 +
1.11 + protected:
1.12 + virtual uint cmp( const Node &n ) const;
1.13 + virtual uint size_of() const;
1.14 +
1.15 public:
1.16 - CastIINode (Node *n, const Type *t ): ConstraintCastNode(n,t) {}
1.17 + CastIINode(Node *n, const Type *t, bool carry_dependency = false)
1.18 + : ConstraintCastNode(n,t), _carry_dependency(carry_dependency) {}
1.19 virtual int Opcode() const;
1.20 virtual uint ideal_reg() const { return Op_RegI; }
1.21 + virtual Node *Identity( PhaseTransform *phase );
1.22 + virtual const Type *Value( PhaseTransform *phase ) const;
1.23 + virtual Node *Ideal_DU_postCCP( PhaseCCP * );
1.24 +#ifndef PRODUCT
1.25 + virtual void dump_spec(outputStream *st) const;
1.26 +#endif
1.27 };
1.28
1.29 //------------------------------CastPPNode-------------------------------------
