--- a/src/share/vm/c1/c1_Runtime1.cpp	Fri Apr 22 15:22:45 2011 +0200
+++ b/src/share/vm/c1/c1_Runtime1.cpp	Fri Apr 22 15:30:53 2011 +0200
@@ -103,7 +103,10 @@
 int Runtime1::_generic_arraycopy_cnt = 0;
 int Runtime1::_primitive_arraycopy_cnt = 0;
 int Runtime1::_oop_arraycopy_cnt = 0;
+int Runtime1::_generic_arraycopystub_cnt = 0;
 int Runtime1::_arraycopy_slowcase_cnt = 0;
+int Runtime1::_arraycopy_checkcast_cnt = 0;
+int Runtime1::_arraycopy_checkcast_attempt_cnt = 0;
 int Runtime1::_new_type_array_slowcase_cnt = 0;
 int Runtime1::_new_object_array_slowcase_cnt = 0;
 int Runtime1::_new_instance_slowcase_cnt = 0;
@@ -119,6 +122,32 @@
 int Runtime1::_throw_incompatible_class_change_error_count = 0;
 int Runtime1::_throw_array_store_exception_count = 0;
 int Runtime1::_throw_count = 0;
+
+static int _byte_arraycopy_cnt = 0;
+static int _short_arraycopy_cnt = 0;
+static int _int_arraycopy_cnt = 0;
+static int _long_arraycopy_cnt = 0;
+static int _oop_arraycopy_cnt = 0;
+
+address Runtime1::arraycopy_count_address(BasicType type) {
+  switch (type) {
+  case T_BOOLEAN:
+  case T_BYTE:   return (address)&_byte_arraycopy_cnt;
+  case T_CHAR:
+  case T_SHORT:  return (address)&_short_arraycopy_cnt;
+  case T_FLOAT:
+  case T_INT:    return (address)&_int_arraycopy_cnt;
+  case T_DOUBLE:
+  case T_LONG:   return (address)&_long_arraycopy_cnt;
+  case T_ARRAY:
+  case T_OBJECT: return (address)&_oop_arraycopy_cnt;
+  default:
+    ShouldNotReachHere();
+    return NULL;
+  }
+}
+
+
 #endif
 
 // Simple helper to see if the caller of a runtime stub which
@@ -433,10 +462,9 @@
 // been deoptimized. If that is the case we return the deopt blob
 // unpack_with_exception entry instead. This makes life for the exception blob easier
 // because making that same check and diverting is painful from assembly language.
-//
-
-
 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm))
+  // Reset method handle flag.
+  thread->set_is_method_handle_return(false);
 
   Handle exception(thread, ex);
   if (UseC1X && exception.is_null()) {
@@ -490,11 +518,12 @@
     return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
   }
 
-  // ExceptionCache is used only for exceptions at call and not for implicit exceptions
+  // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions
   if (guard_pages_enabled) {
     address fast_continuation = nm->handler_for_exception_and_pc(exception, pc);
     if (fast_continuation != NULL) {
-      if (fast_continuation == ExceptionCache::unwind_handler()) fast_continuation = NULL;
+      // Set flag if return address is a method handle call site.
+      thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
       return fast_continuation;
     }
   }
@@ -532,14 +561,14 @@
     thread->set_exception_pc(pc);
 
     // the exception cache is used only by non-implicit exceptions
-    if (continuation == NULL) {
-      nm->add_handler_for_exception_and_pc(exception, pc, ExceptionCache::unwind_handler());
-    } else {
+    if (continuation != NULL) {
       nm->add_handler_for_exception_and_pc(exception, pc, continuation);
     }
   }
 
   thread->set_vm_result(exception());
+  // Set flag if return address is a method handle call site.
+  thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
 
   if (TraceExceptions) {
     ttyLocker ttyl;
@@ -552,20 +581,19 @@
 JRT_END
 
 // Enter this method from compiled code only if there is a Java exception handler
-// in the method handling the exception
+// in the method handling the exception.
 // We are entering here from exception stub. We don't do a normal VM transition here.
 // We do it in a helper. This is so we can check to see if the nmethod we have just
 // searched for an exception handler has been deoptimized in the meantime.
-address  Runtime1::exception_handler_for_pc(JavaThread* thread) {
+address Runtime1::exception_handler_for_pc(JavaThread* thread) {
   oop exception = thread->exception_oop();
   address pc = thread->exception_pc();
   // Still in Java mode
-  debug_only(ResetNoHandleMark rnhm);
+  DEBUG_ONLY(ResetNoHandleMark rnhm);
   nmethod* nm = NULL;
   address continuation = NULL;
   {
     // Enter VM mode by calling the helper
-
     ResetNoHandleMark rnhm;
     continuation = exception_handler_for_pc_helper(thread, exception, pc, nm);
   }
@@ -573,11 +601,11 @@
 
   // Now check to see if the nmethod we were called from is now deoptimized.
   // If so we must return to the deopt blob and deoptimize the nmethod
-
   if (nm != NULL && caller_is_deopted()) {
     continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();
   }
 
+  assert(continuation != NULL, "no handler found");
   return continuation;
 }
 
@@ -849,7 +877,7 @@
         { klassOop klass = resolve_field_return_klass(caller_method, bci, CHECK);
           // Save a reference to the class that has to be checked for initialization
           init_klass = KlassHandle(THREAD, klass);
-          k = klass;
+          k = klass->java_mirror();
         }
         break;
       case Bytecodes::_new:
@@ -1272,9 +1300,17 @@
   tty->print_cr(" _handle_wrong_method_cnt:        %d", SharedRuntime::_wrong_method_ctr);
   tty->print_cr(" _ic_miss_cnt:                    %d", SharedRuntime::_ic_miss_ctr);
   tty->print_cr(" _generic_arraycopy_cnt:          %d", _generic_arraycopy_cnt);
+  tty->print_cr(" _generic_arraycopystub_cnt:      %d", _generic_arraycopystub_cnt);
+  tty->print_cr(" _byte_arraycopy_cnt:             %d", _byte_arraycopy_cnt);
+  tty->print_cr(" _short_arraycopy_cnt:            %d", _short_arraycopy_cnt);
+  tty->print_cr(" _int_arraycopy_cnt:              %d", _int_arraycopy_cnt);
+  tty->print_cr(" _long_arraycopy_cnt:             %d", _long_arraycopy_cnt);
   tty->print_cr(" _primitive_arraycopy_cnt:        %d", _primitive_arraycopy_cnt);
-  tty->print_cr(" _oop_arraycopy_cnt:              %d", _oop_arraycopy_cnt);
+  tty->print_cr(" _oop_arraycopy_cnt (C):          %d", Runtime1::_oop_arraycopy_cnt);
+  tty->print_cr(" _oop_arraycopy_cnt (stub):       %d", _oop_arraycopy_cnt);
   tty->print_cr(" _arraycopy_slowcase_cnt:         %d", _arraycopy_slowcase_cnt);
+  tty->print_cr(" _arraycopy_checkcast_cnt:        %d", _arraycopy_checkcast_cnt);
+  tty->print_cr(" _arraycopy_checkcast_attempt_cnt:%d", _arraycopy_checkcast_attempt_cnt);
 
   tty->print_cr(" _new_type_array_slowcase_cnt:    %d", _new_type_array_slowcase_cnt);
   tty->print_cr(" _new_object_array_slowcase_cnt:  %d", _new_object_array_slowcase_cnt);