src/share/vm/c1/c1_CodeStubs.hpp

rev 4136 : 7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by:

*** 164,173 ****
--- 164,189 ----
  #ifndef PRODUCT
    virtual void print_name(outputStream* out) const { out->print("RangeCheckStub"); }
  #endif // PRODUCT
  };
  
+ // stub used when predicate fails and deoptimization is needed
+ class PredicateFailedStub: public CodeStub {
+  private:
+   CodeEmitInfo* _info;
+ 
+  public:
+   PredicateFailedStub(CodeEmitInfo* info);
+   virtual void emit_code(LIR_Assembler* e);
+   virtual CodeEmitInfo* info() const             { return _info; }
+   virtual void visit(LIR_OpVisitState* visitor) {
+     visitor->do_slow_case(_info);
+   }
+ #ifndef PRODUCT
+   virtual void print_name(outputStream* out) const { out->print("PredicateFailedStub"); }
+ #endif // PRODUCT
+ };
  
  class DivByZeroStub: public CodeStub {
   private:
    CodeEmitInfo* _info;
    int           _offset;