8148639: Some MethodCounter fields can be excluded when not including C2

Removed _interpreter_invocation_count and _interpreter_throwout_count fields for C1

Reviewed-by: kvn, coleenp

hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/MethodCounters.java

@@ -1,5 +1,5 @@
 /*
- * 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
@@ -47,8 +47,10 @@ public class MethodCounters extends Metadata {
   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
     Type type      = db.lookupType("MethodCounters");
 
-    interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
+    if (VM.getVM().isServerCompiler()) {
-    interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
+      interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
+      interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
+    }
     if (!VM.getVM().isCore()) {
       invocationCounter        = new CIntField(type.getCIntegerField("_invocation_counter"), 0);
       backedgeCounter          = new CIntField(type.getCIntegerField("_backedge_counter"), 0);
@@ -61,11 +63,19 @@ public class MethodCounters extends Metadata {
   private static CIntField backedgeCounter;
 
   public int interpreterInvocationCount() {
-    return (int) interpreterInvocationCountField.getValue(this);
+      if (interpreterInvocationCountField != null) {
+        return (int) interpreterInvocationCountField.getValue(this);
+      } else {
+        return 0;
+      }
   }
 
   public int interpreterThrowoutCount() {
-    return (int) interpreterThrowoutCountField.getValue(this);
+      if (interpreterThrowoutCountField != null) {
+        return (int) interpreterThrowoutCountField.getValue(this);
+      } else {
+        return 0;
+      }
   }
   public long getInvocationCounter() {
     if (Assert.ASSERTS_ENABLED) {

hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp

@@ -632,9 +632,11 @@ BytecodeInterpreter::run(interpreterState istate) {
       if (_compiling) {
         MethodCounters* mcs;
         GET_METHOD_COUNTERS(mcs);
+#if COMPILER2_OR_JVMCI
         if (ProfileInterpreter) {
           METHOD->increment_interpreter_invocation_count(THREAD);
         }
+#endif
         mcs->invocation_counter()->increment();
         if (mcs->invocation_counter()->reached_InvocationLimit(mcs->backedge_counter())) {
           CALL_VM((void)InterpreterRuntime::frequency_counter_overflow(THREAD, NULL), handle_exception);

hotspot/src/share/vm/interpreter/interpreterRuntime.cpp

@@ -523,8 +523,10 @@ IRT_ENTRY(address, InterpreterRuntime::exception_handler_for_exception(JavaThrea
 #ifndef CC_INTERP
     continuation = Interpreter::remove_activation_entry();
 #endif
+#if COMPILER2_OR_JVMCI
     // Count this for compilation purposes
     h_method->interpreter_throwout_increment(THREAD);
+#endif
   } else {
     // handler in this method => change bci/bcp to handler bci/bcp and continue there
     handler_pc = h_method->code_base() + handler_bci;

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

@@ -264,6 +264,7 @@ class Method : public Metadata {
   int highest_osr_comp_level() const;
   void set_highest_osr_comp_level(int level);
 
+#if defined(COMPILER2) || INCLUDE_JVMCI
   // Count of times method was exited via exception while interpreting
   void interpreter_throwout_increment(TRAPS) {
     MethodCounters* mcs = get_method_counters(CHECK);
@@ -271,6 +272,7 @@ class Method : public Metadata {
       mcs->interpreter_throwout_increment();
     }
   }
+#endif
 
   int  interpreter_throwout_count() const        {
     MethodCounters* mcs = method_counters();
@@ -407,11 +409,13 @@ class Method : public Metadata {
       return (mcs == NULL) ? 0 : mcs->interpreter_invocation_count();
     }
   }
+#if defined(COMPILER2) || INCLUDE_JVMCI
   int increment_interpreter_invocation_count(TRAPS) {
     if (TieredCompilation) ShouldNotReachHere();
     MethodCounters* mcs = get_method_counters(CHECK_0);
     return (mcs == NULL) ? 0 : mcs->increment_interpreter_invocation_count();
   }
+#endif
 
 #ifndef PRODUCT
   int  compiled_invocation_count() const         { return _compiled_invocation_count;  }

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

@@ -1,5 +1,5 @@
 /*
- * 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
@@ -34,8 +34,10 @@ 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
@@ -60,9 +62,7 @@ class MethodCounters: public MetaspaceObj {
   u1                _highest_osr_comp_level;      // Same for OSR level
 #endif
 
-  MethodCounters(methodHandle mh) : _interpreter_invocation_count(0),
+  MethodCounters(methodHandle mh) : _number_of_breakpoints(0),
-                                    _interpreter_throwout_count(0),
-                                    _number_of_breakpoints(0),
                                     _nmethod_age(INT_MAX)
 #ifdef TIERED
                                  , _rate(0),
@@ -71,6 +71,8 @@ class MethodCounters: public MetaspaceObj {
                                    _highest_osr_comp_level(0)
 #endif
   {
+    set_interpreter_invocation_count(0);
+    set_interpreter_throwout_count(0);
     invocation_counter()->init();
     backedge_counter()->init();
 
@@ -109,6 +111,8 @@ class MethodCounters: public MetaspaceObj {
 
   void clear_counters();
 
+#if defined(COMPILER2) || INCLUDE_JVMCI
+
   int interpreter_invocation_count() {
     return _interpreter_invocation_count;
   }
@@ -131,6 +135,24 @@ class MethodCounters: public MetaspaceObj {
     _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; }
@@ -170,10 +192,25 @@ class MethodCounters: public MetaspaceObj {
     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);
   }
@@ -182,10 +219,6 @@ class MethodCounters: public MetaspaceObj {
     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);
   }

hotspot/src/share/vm/runtime/arguments.cpp

@@ -3595,6 +3595,11 @@ jint Arguments::finalize_vm_init_args(ArgumentBootClassPath* bcp_p, bool bcp_ass
   }
 #endif
 
+#if !defined(COMPILER2) && !INCLUDE_JVMCI
+  UNSUPPORTED_OPTION(ProfileInterpreter, "ProfileInterpreter");
+  NOT_PRODUCT(UNSUPPORTED_OPTION(TraceProfileInterpreter, "TraceProfileInterpreter"));
+#endif
+
 #ifndef TIERED
   // Tiered compilation is undefined.
   UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation");

hotspot/src/share/vm/runtime/vmStructs.cpp

@@ -384,8 +384,8 @@ typedef CompactHashtable<Symbol*, char>       SymbolCompactHashTable;
   nonstatic_field(MethodCounters,              _interpreter_profile_limit,                    int)                                   \
   nonstatic_field(MethodCounters,              _invoke_mask,                                  int)                                   \
   nonstatic_field(MethodCounters,              _backedge_mask,                                int)                                   \
-  nonstatic_field(MethodCounters,              _interpreter_invocation_count,                 int)                                   \
+  COMPILER2_OR_JVMCI_PRESENT(nonstatic_field(MethodCounters, _interpreter_invocation_count,   int))                                  \
-  nonstatic_field(MethodCounters,              _interpreter_throwout_count,                   u2)                                    \
+  COMPILER2_OR_JVMCI_PRESENT(nonstatic_field(MethodCounters, _interpreter_throwout_count,     u2))                                   \
   nonstatic_field(MethodCounters,              _number_of_breakpoints,                        u2)                                    \
   nonstatic_field(MethodCounters,              _invocation_counter,                           InvocationCounter)                     \
   nonstatic_field(MethodCounters,              _backedge_counter,                             InvocationCounter)                     \

hotspot/src/share/vm/utilities/macros.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -206,6 +206,17 @@
 #define NOT_COMPILER2(code) code
 #endif // COMPILER2
 
+// COMPILER2 or JVMCI
+#if defined(COMPILER2) || INCLUDE_JVMCI
+#define COMPILER2_OR_JVMCI 1
+#define COMPILER2_OR_JVMCI_PRESENT(code) code
+#define NOT_COMPILER2_OR_JVMCI(code)
+#else
+#define COMPILER2_OR_JVMCI 0
+#define COMPILER2_OR_JVMCI_PRESENT(code)
+#define NOT_COMPILER2_OR_JVMCI(code) code
+#endif
+
 #ifdef TIERED
 #define TIERED_ONLY(code) code
 #define NOT_TIERED(code)