[Interpreter] TurboFan implementation of intrinsics.

src/compiler/bytecode-graph-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/bytecode-graph-builder.h"
 
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 1410 matching lines @@
   Node* node = NewNode(javascript()->StackCheck());
   environment()->RecordAfterState(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitReturn() {
   Node* control =
       NewNode(common()->Return(), environment()->LookupAccumulator());
   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 =
       NewNode(javascript()->CallRuntime(Runtime::kHandleDebuggerStatement));
   environment()->BindAccumulator(call, &states);
 }
 
 // We cannot create a graph from the debugger copy of the bytecode array.
 #define DEBUG_BREAK(Name, ...) \
   void BytecodeGraphBuilder::Visit##Name() { UNREACHABLE(); }
@@ skipping 316 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8