src/share/vm/opto/graphKit.hpp

rev 6807 : 7173584: Implement arraycopy as a macro node
Summary: delay the conversion of arraycopy to stub calls to macro expansion
Reviewed-by:

*** 827,847 ****
    // Generate a check-cast idiom.  Used by both the check-cast bytecode
    // and the array-store bytecode
    Node* gen_checkcast( Node *subobj, Node* superkls,
                         Node* *failure_control = NULL );
  
!   // Generate a subtyping check.  Takes as input the subtype and supertype.
!   // Returns 2 values: sets the default control() to the true path and
!   // returns the false path.  Only reads from constant memory taken from the
!   // default memory; does not write anything.  It also doesn't take in an
!   // Object; if you wish to check an Object you need to load the Object's
!   // class prior to coming here.
!   Node* gen_subtype_check(Node* subklass, Node* superklass);
! 
!   // Static parse-time type checking logic for gen_subtype_check:
!   enum { SSC_always_false, SSC_always_true, SSC_easy_test, SSC_full_test };
!   int static_subtype_check(ciKlass* superk, ciKlass* subk);
  
    // Exact type check used for predicted calls and casts.
    // Rewrites (*casted_receiver) to be casted to the stronger type.
    // (Caller is responsible for doing replace_in_map.)
    Node* type_check_receiver(Node* receiver, ciKlass* klass, float prob,
--- 827,843 ----
    // Generate a check-cast idiom.  Used by both the check-cast bytecode
    // and the array-store bytecode
    Node* gen_checkcast( Node *subobj, Node* superkls,
                         Node* *failure_control = NULL );
  
!   Node* gen_subtype_check(Node* subklass, Node* superklass) {
!     MergeMemNode* mem = merged_memory();
!     Node* ctrl = control();
!     Node* n = Phase::gen_subtype_check(subklass, superklass, &ctrl, mem, &_gvn);
!     set_control(ctrl);
!     return n;
!   }
  
    // Exact type check used for predicted calls and casts.
    // Rewrites (*casted_receiver) to be casted to the stronger type.
    // (Caller is responsible for doing replace_in_map.)
    Node* type_check_receiver(Node* receiver, ciKlass* klass, float prob,