1.1 --- a/src/share/vm/opto/connode.hpp Mon Jan 25 08:46:19 2016 +0000
1.2 +++ b/src/share/vm/opto/connode.hpp Wed Jan 27 09:02:51 2016 +0100
1.3 @@ -244,19 +244,31 @@
1.4 private:
1.5 // Can this node be removed post CCP or does it carry a required dependency?
1.6 const bool _carry_dependency;
1.7 + // Is this node dependent on a range check?
1.8 + const bool _range_check_dependency;
1.9
1.10 protected:
1.11 virtual uint cmp( const Node &n ) const;
1.12 virtual uint size_of() const;
1.13
1.14 public:
1.15 - CastIINode(Node *n, const Type *t, bool carry_dependency = false)
1.16 - : ConstraintCastNode(n,t), _carry_dependency(carry_dependency) {}
1.17 + CastIINode(Node *n, const Type *t, bool carry_dependency = false, bool range_check_dependency = false)
1.18 + : ConstraintCastNode(n,t), _carry_dependency(carry_dependency), _range_check_dependency(range_check_dependency) {
1.19 + init_class_id(Class_CastII);
1.20 + }
1.21 virtual int Opcode() const;
1.22 virtual uint ideal_reg() const { return Op_RegI; }
1.23 virtual Node *Identity( PhaseTransform *phase );
1.24 virtual const Type *Value( PhaseTransform *phase ) const;
1.25 virtual Node *Ideal_DU_postCCP( PhaseCCP * );
1.26 + const bool has_range_check() {
1.27 + #ifdef _LP64
1.28 + return _range_check_dependency;
1.29 + #else
1.30 + assert(!_range_check_dependency, "Should not have range check dependency");
1.31 + return false;
1.32 + #endif
1.33 + }
1.34 #ifndef PRODUCT
1.35 virtual void dump_spec(outputStream *st) const;
1.36 #endif
