[stubs] A new approach to TF stubs

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_
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 525 matching lines @@
   }
   Node* StringConstant(const char* string) {
     return HeapConstant(isolate()->factory()->InternalizeUtf8String(string));
   }
 
   // Call a given call descriptor and the given arguments.
   Node* CallN(CallDescriptor* desc, Node* function, Node** args);
   // Call a given call descriptor and the given arguments and frame-state.
   Node* CallNWithFrameState(CallDescriptor* desc, Node* function, Node** args,
                             Node* frame_state);
-  // Tail call the given call descriptor and the given arguments.
-  Node* TailCallN(CallDescriptor* call_descriptor, Node* function, Node** args);
   // Call to a runtime function with one arguments.
   Node* CallRuntime1(Runtime::FunctionId function, Node* arg0, Node* context);
   // Call to a runtime function with two arguments.
   Node* CallRuntime2(Runtime::FunctionId function, Node* arg1, Node* arg2,
                      Node* context);
   // Call to a runtime function with four arguments.
   Node* CallRuntime4(Runtime::FunctionId function, Node* arg1, Node* arg2,
                      Node* arg3, Node* arg4, Node* context);
   // Call to a C function with zero arguments.
   Node* CallCFunction0(MachineType return_type, Node* function);
   // Call to a C function with one parameter.
   Node* CallCFunction1(MachineType return_type, MachineType arg0_type,
                        Node* function, Node* arg0);
   // Call to a C function with two arguments.
   Node* CallCFunction2(MachineType return_type, MachineType arg0_type,
                        MachineType arg1_type, Node* function, Node* arg0,
                        Node* arg1);
   // Call to a C function with eight arguments.
   Node* CallCFunction8(MachineType return_type, MachineType arg0_type,
                        MachineType arg1_type, MachineType arg2_type,
                        MachineType arg3_type, MachineType arg4_type,
                        MachineType arg5_type, MachineType arg6_type,
                        MachineType arg7_type, Node* function, Node* arg0,
                        Node* arg1, Node* arg2, Node* arg3, Node* arg4,
                        Node* arg5, Node* arg6, Node* arg7);
 
+  // Tail call the given call descriptor and the given arguments.
+  Node* TailCallN(CallDescriptor* call_descriptor, Node* function, Node** args);
+  // Tail call to a runtime function with one argument.
+  Node* TailCallRuntime1(Runtime::FunctionId function, Node* arg0,
+                         Node* context);
+  // Tail call to a runtime function with two arguments.
+  Node* TailCallRuntime2(Runtime::FunctionId function, Node* arg1, Node* arg2,
+                         Node* context);
+
+
   // ===========================================================================
   // The following utility methods deal with control flow, hence might switch
   // the current basic block or create new basic blocks for labels.
 
   // Control flow.
   void Goto(RawMachineLabel* label);
   void Branch(Node* condition, RawMachineLabel* true_val,
               RawMachineLabel* false_val);
   void Switch(Node* index, RawMachineLabel* default_label, int32_t* case_values,
               RawMachineLabel** case_labels, size_t case_count);
@@ skipping 67 matching lines @@
   bool bound_;
   friend class RawMachineAssembler;
   DISALLOW_COPY_AND_ASSIGN(RawMachineLabel);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_