hotspot/src/share/vm/oops/methodData.hpp

rev 6907 : 8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

@@ -2097,11 +2097,12 @@
   // Number of loops and blocks is computed when compiling the first
   // time with C1. It is used to determine if method is trivial.
   short             _num_loops;
   short             _num_blocks;
   // Does this method contain anything worth profiling?
-  bool              _would_profile;
+  enum WouldProfile {unknown, no_profile, profile};
+  WouldProfile      _would_profile;
 
   // Size of _data array in bytes.  (Excludes header and extra_data fields.)
   int _data_size;
 
   // data index for the area dedicated to parameters. -1 if no

@@ -2266,12 +2267,12 @@
   static int rtm_state_offset_in_bytes() {
     return offset_of(MethodData, _rtm_state);
   }
 #endif
 
-  void set_would_profile(bool p)              { _would_profile = p;    }
-  bool would_profile() const                  { return _would_profile; }
+  void set_would_profile(bool p)              { _would_profile = p ? profile : no_profile; }
+  bool would_profile() const                  { return _would_profile != no_profile; }
 
   int num_loops() const                       { return _num_loops;  }
   void set_num_loops(int n)                   { _num_loops = n;     }
   int num_blocks() const                      { return _num_blocks; }
   void set_num_blocks(int n)                  { _num_blocks = n;    }