--- old/src/share/vm/opto/library_call.cpp	2015-10-13 18:21:09.701798200 -0700
+++ new/src/share/vm/opto/library_call.cpp	2015-10-13 18:21:09.362764300 -0700
@@ -1368,7 +1368,6 @@
   switch (id) {
   case vmIntrinsics::_dabs:   n = new AbsDNode(                arg);  break;
   case vmIntrinsics::_dsqrt:  n = new SqrtDNode(C, control(),  arg);  break;
-  case vmIntrinsics::_dlog:   n = new LogDNode(C, control(),   arg);  break;
   case vmIntrinsics::_dlog10: n = new Log10DNode(C, control(), arg);  break;
   default:  fatal_unexpected_iid(id);  break;
   }
@@ -1752,7 +1751,9 @@
   case vmIntrinsics::_dtan:   return Matcher::has_match_rule(Op_TanD)   ? inline_trig(id) :
     runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dtan),   "TAN");
 
-  case vmIntrinsics::_dlog:   return Matcher::has_match_rule(Op_LogD)   ? inline_math(id) :
+  case vmIntrinsics::_dlog:
+    return StubRoutines::dlog() != NULL ? 
+    runtime_math(OptoRuntime::Math_D_D_Type(), StubRoutines::dlog(), "dlog") :
     runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog),   "LOG");
   case vmIntrinsics::_dlog10: return Matcher::has_match_rule(Op_Log10D) ? inline_math(id) :
     runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog10), "LOG10");