Using type feedback, eliminate store barriers for indexed stores.

runtime/vm/code_generator.cc

Index: runtime/vm/code_generator.cc
===================================================================
--- runtime/vm/code_generator.cc	(revision 12265)
+++ runtime/vm/code_generator.cc	(working copy)
@@ -980,6 +980,22 @@
 }
 
 
+DEFINE_RUNTIME_ENTRY(InlineCacheMissHandlerThreeArgs, 3) {
+  ASSERT(arguments.Count() ==
+      kInlineCacheMissHandlerThreeArgsRuntimeEntry.argument_count());
+  const Instance& receiver = Instance::CheckedHandle(arguments.At(0));
+  const Instance& other = Instance::CheckedHandle(arguments.At(1));

[Vyacheslav Egorov (Google), 2012/09/12 15:38:09]

why no first and second or arg1, arg2 ?

[srdjan, 2012/09/12 15:45:25]

Done.

+  const Instance& other_other = Instance::CheckedHandle(arguments.At(2));
+  GrowableArray<const Instance*> args(3);
+  args.Add(&receiver);
+  args.Add(&other);
+  args.Add(&other_other);
+  const Function& result =
+      Function::Handle(InlineCacheMissHandler(isolate, args));
+  arguments.SetReturn(result);
+}
+
+
 static RawFunction* LookupDynamicFunction(Isolate* isolate,
                                           const Class& in_cls,
                                           const String& name) {