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diff src/share/vm/graal/graalRuntime.cpp @ 13578:d8143c431d63

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Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
author Gilles Duboscq <duboscq@ssw.jku.at>
date Thu, 09 Jan 2014 11:29:56 +0100
parents e27f3169460e
children 682fba1bcf95
line wrap: on
line diff
--- a/src/share/vm/graal/graalRuntime.cpp	Tue Dec 31 17:23:54 2013 +0100
+++ b/src/share/vm/graal/graalRuntime.cpp	Thu Jan 09 11:29:56 2014 +0100
@@ -136,6 +136,24 @@
   thread->set_vm_result(obj);
 JRT_END
 
+JRT_ENTRY(void, GraalRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror))
+  instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror));
+
+  if (klass == NULL) {
+    ResourceMark rm(THREAD);
+    THROW(vmSymbols::java_lang_InstantiationException());
+  }
+
+  // Create new instance (the receiver)
+  klass->check_valid_for_instantiation(false, CHECK);
+
+  // Make sure klass gets initialized
+  klass->initialize(CHECK);
+
+  oop obj = klass->allocate_instance(CHECK);
+  thread->set_vm_result(obj);
+JRT_END
+
 extern void vm_exit(int code);
 
 // Enter this method from compiled code handler below. This is where we transition