[Interpreter] TurboFan implementation of intrinsics.

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index e28c19d84426d1932c04fca02ca829a808102fc0..493019064a45a86a66e8ff8e57600d89a7506595 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1428,6 +1428,25 @@ void BytecodeGraphBuilder::VisitReturn() {
   MergeControlToLeaveFunction(control);
 }
 
+void BytecodeGraphBuilder::BuildInvokeIntrinsic() {

[rmcilroy, 2016/03/08 11:19:30]

nit - move up below VisitCallRuntimeForPairWide

[epertoso, 2016/03/08 14:11:09]

Done.

+  FrameStateBeforeAndAfter states(this);
+  Runtime::FunctionId functionId =
+      static_cast<Runtime::FunctionId>(bytecode_iterator().GetIndexOperand(0));
+  interpreter::Register first_arg = bytecode_iterator().GetRegisterOperand(1);
+  int arg_count = bytecode_iterator().GetRegisterCountOperand(2);
+
+  // Create node to perform the runtime call.
+  const Operator* call = javascript()->CallRuntime(functionId, arg_count);
+  Node* value = ProcessCallRuntimeArguments(call, first_arg, arg_count);
+  environment()->BindAccumulator(value, &states);
+}
+
+void BytecodeGraphBuilder::VisitInvokeIntrinsic() { BuildInvokeIntrinsic(); }
+
+void BytecodeGraphBuilder::VisitInvokeIntrinsicWide() {
+  BuildInvokeIntrinsic();
+}
+
 void BytecodeGraphBuilder::VisitDebugger() {
   FrameStateBeforeAndAfter states(this);
   Node* call =