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comparison src/share/vm/opto/loopnode.hpp @ 1763:d6f45b55c972

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4809552: Optimize Arrays.fill(...) Reviewed-by: kvn
author never
date Fri, 27 Aug 2010 17:33:49 -0700
parents 6027dddc26c6
children f95d63e2154a
comparison
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1731:ee5cc9e78493 1763:d6f45b55c972
935 Node *split_thru_phi( Node *n, Node *region, int policy ); 935 Node *split_thru_phi( Node *n, Node *region, int policy );
936 // Found an If getting its condition-code input from a Phi in the 936 // Found an If getting its condition-code input from a Phi in the
937 // same block. Split thru the Region. 937 // same block. Split thru the Region.
938 void do_split_if( Node *iff ); 938 void do_split_if( Node *iff );
939 939
940 // Conversion of fill/copy patterns into intrisic versions
941 bool do_intrinsify_fill();
942 bool intrinsify_fill(IdealLoopTree* lpt);
943 bool match_fill_loop(IdealLoopTree* lpt, Node*& store, Node*& store_value,
944 Node*& shift, Node*& offset);
945
940 private: 946 private:
941 // Return a type based on condition control flow 947 // Return a type based on condition control flow
942 const TypeInt* filtered_type( Node *n, Node* n_ctrl); 948 const TypeInt* filtered_type( Node *n, Node* n_ctrl);
943 const TypeInt* filtered_type( Node *n ) { return filtered_type(n, NULL); } 949 const TypeInt* filtered_type( Node *n ) { return filtered_type(n, NULL); }
944 // Helpers for filtered type 950 // Helpers for filtered type