src/share/vm/oops/methodCounters.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -32,12 +32,14 @@
 
 class MethodCounters: public MetaspaceObj {
  friend class VMStructs;
  friend class JVMCIVMStructs;
  private:
+#if defined(COMPILER2) || INCLUDE_JVMCI
   int               _interpreter_invocation_count; // Count of times invoked (reused as prev_event_count in tiered)
   u2                _interpreter_throwout_count; // Count of times method was exited via exception while interpreting
+#endif
   u2                _number_of_breakpoints;      // fullspeed debugging support
   InvocationCounter _invocation_counter;         // Incremented before each activation of the method - used to trigger frequency-based optimizations
   InvocationCounter _backedge_counter;           // Incremented before each backedge taken - used to trigger frequencey-based optimizations
   // NMethod age is a counter for warm methods detection in the code cache sweeper.
   // The counter is reset by the sweeper and is decremented by some of the compiled

@@ -58,21 +60,21 @@
   jlong             _prev_time;                   // Previous time the rate was acquired
   u1                _highest_comp_level;          // Highest compile level this method has ever seen.
   u1                _highest_osr_comp_level;      // Same for OSR level
 #endif
 
-  MethodCounters(methodHandle mh) : _interpreter_invocation_count(0),
-                                    _interpreter_throwout_count(0),
-                                    _number_of_breakpoints(0),
+  MethodCounters(methodHandle mh) : _number_of_breakpoints(0),
                                     _nmethod_age(INT_MAX)
 #ifdef TIERED
                                  , _rate(0),
                                    _prev_time(0),
                                    _highest_comp_level(0),
                                    _highest_osr_comp_level(0)
 #endif
   {
+    set_interpreter_invocation_count(0);
+    set_interpreter_throwout_count(0);
     invocation_counter()->init();
     backedge_counter()->init();
 
     if (StressCodeAging) {
       set_nmethod_age(HotMethodDetectionLimit);

@@ -107,10 +109,12 @@
 
   bool is_klass() const { return false; }
 
   void clear_counters();
 
+#if defined(COMPILER2) || INCLUDE_JVMCI
+
   int interpreter_invocation_count() {
     return _interpreter_invocation_count;
   }
   void set_interpreter_invocation_count(int count) {
     _interpreter_invocation_count = count;

@@ -129,10 +133,28 @@
   }
   void set_interpreter_throwout_count(int count) {
     _interpreter_throwout_count = count;
   }
 
+#else // defined(COMPILER2) || INCLUDE_JVMCI
+
+  int interpreter_invocation_count() {
+    return 0;
+  }
+  void set_interpreter_invocation_count(int count) {
+    assert(count == 0, "count must be 0");
+  }
+
+  int  interpreter_throwout_count() const {
+    return 0;
+  }
+  void set_interpreter_throwout_count(int count) {
+    assert(count == 0, "count must be 0");
+  }
+
+#endif // defined(COMPILER2) || INCLUDE_JVMCI
+
   u2   number_of_breakpoints() const   { return _number_of_breakpoints; }
   void incr_number_of_breakpoints()    { ++_number_of_breakpoints; }
   void decr_number_of_breakpoints()    { --_number_of_breakpoints; }
   void clear_number_of_breakpoints()   { _number_of_breakpoints = 0; }
 

@@ -168,26 +190,37 @@
 
   static ByteSize nmethod_age_offset() {
     return byte_offset_of(MethodCounters, _nmethod_age);
   }
 
+#if defined(COMPILER2) || INCLUDE_JVMCI
+
   static ByteSize interpreter_invocation_counter_offset() {
     return byte_offset_of(MethodCounters, _interpreter_invocation_count);
   }
 
+  static int interpreter_invocation_counter_offset_in_bytes() {
+    return offset_of(MethodCounters, _interpreter_invocation_count);
+  }
+
+#else // defined(COMPILER2) || INCLUDE_JVMCI
+
+  static ByteSize interpreter_invocation_counter_offset() {
+    ShouldNotReachHere();
+    return in_ByteSize(0); 
+  }
+
+#endif // defined(COMPILER2) || INCLUDE_JVMCI
+
   static ByteSize invocation_counter_offset()    {
     return byte_offset_of(MethodCounters, _invocation_counter);
   }
 
   static ByteSize backedge_counter_offset()      {
     return byte_offset_of(MethodCounters, _backedge_counter);
   }
 
-  static int interpreter_invocation_counter_offset_in_bytes() {
-    return offset_of(MethodCounters, _interpreter_invocation_count);
-  }
-
   static ByteSize interpreter_invocation_limit_offset() {
     return byte_offset_of(MethodCounters, _interpreter_invocation_limit);
   }
 
   static ByteSize interpreter_backward_branch_limit_offset() {