[turbofan] don't call out to c

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index 9cb161327e6092d32c4864abc4145904e109e1ca..a4af55a68bc2747b091a175467a3157d6edccfa8 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -5,12 +5,6 @@
 #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"
@@ -375,21 +369,6 @@ class RawMachineAssembler : public GraphBuilder {
     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);