[turbofan] don't call out to c

src/compiler/raw-machine-assembler.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
-#ifdef USE_SIMULATOR
-#define MACHINE_ASSEMBLER_SUPPORTS_CALL_C 0
-#else
-#define MACHINE_ASSEMBLER_SUPPORTS_CALL_C 1
-#endif
-
 #include "src/v8.h"
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-builder.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/operator.h"
 
 
@@ skipping 344 matching lines @@
   Node* ChangeUint32ToUint64(Node* a) {
     return NewNode(machine()->ChangeUint32ToUint64(), a);
   }
   Node* TruncateFloat64ToInt32(Node* a) {
     return NewNode(machine()->TruncateFloat64ToInt32(), a);
   }
   Node* TruncateInt64ToInt32(Node* a) {
     return NewNode(machine()->TruncateInt64ToInt32(), a);
   }
 
-#ifdef MACHINE_ASSEMBLER_SUPPORTS_CALL_C
-  // Call to C.
-  Node* CallC(Node* function_address, MachineType return_type,
-              MachineType* arg_types, Node** args, int n_args) {
-    CallDescriptor* descriptor =
-        Linkage::GetSimplifiedCDescriptor(zone(), machine_sig());
-    Node** passed_args = zone()->NewArray<Node*>(n_args + 1);
-    passed_args[0] = function_address;
-    for (int i = 0; i < n_args; ++i) {
-      passed_args[i + 1] = args[i];
-    }
-    return NewNode(common()->Call(descriptor), n_args + 1, passed_args);
-  }
-#endif
-
   // Parameters.
   Node* Parameter(size_t index);
 
   // Control flow.
   Label* Exit();
   void Goto(Label* label);
   void Branch(Node* condition, Label* true_val, Label* false_val);
   // Call through CallFunctionStub with lazy deopt and frame-state.
   Node* CallFunctionStub0(Node* function, Node* receiver, Node* context,
                           Node* frame_state, CallFunctionFlags flags);
@@ skipping 47 matching lines @@
   BasicBlock* current_block_;
 
   DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_