src/cpu/x86/vm/templateInterpreter_x86_64.cpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2017, 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.

@@ -1270,20 +1270,20 @@
 
   // If result is an oop unbox and store it in frame where gc will see it
   // and result handler will pick it up
 
   {
-    Label no_oop, store_result;
+    Label no_oop;
     __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT)));
     __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize));
     __ jcc(Assembler::notEqual, no_oop);
     // retrieve result
     __ pop(ltos);
-    __ testptr(rax, rax);
-    __ jcc(Assembler::zero, store_result);
-    __ movptr(rax, Address(rax, 0));
-    __ bind(store_result);
+    // Unbox oop result, e.g. JNIHandles::resolve value.
+    __ resolve_jobject(rax /* value */,
+                       r15_thread /* thread */,
+                       t /* tmp */);
     __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax);
     // keep stack depth as expected by pushing oop which will eventually be discarde
     __ push(ltos);
     __ bind(no_oop);
   }