1.1 --- a/src/share/vm/opto/connode.hpp Sat Mar 22 00:26:48 2014 +0400
1.2 +++ b/src/share/vm/opto/connode.hpp Thu Mar 20 17:49:27 2014 -0700
1.3 @@ -642,6 +642,19 @@
1.4 virtual const Type *bottom_type() const { return TypeInt::INT; }
1.5 };
1.6
1.7 +//------------------------------Opaque3Node------------------------------------
1.8 +// A node to prevent unwanted optimizations. Will be optimized only during
1.9 +// macro nodes expansion.
1.10 +class Opaque3Node : public Opaque2Node {
1.11 + int _opt; // what optimization it was used for
1.12 +public:
1.13 + enum { RTM_OPT };
1.14 + Opaque3Node(Compile* C, Node *n, int opt) : Opaque2Node(C, n), _opt(opt) {}
1.15 + virtual int Opcode() const;
1.16 + bool rtm_opt() const { return (_opt == RTM_OPT); }
1.17 +};
1.18 +
1.19 +
1.20 //----------------------PartialSubtypeCheckNode--------------------------------
1.21 // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass
1.22 // array for an instance of the superklass. Set a hidden internal cache on a
