Unify runtime-style IC functions with Runtime intrinsics

src/arguments.h

 // Copyright 2012 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_ARGUMENTS_H_
 #define V8_ARGUMENTS_H_
 
 #include "src/allocation.h"
 #include "src/isolate.h"
 
@@ skipping 251 matching lines @@
 double ClobberDoubleRegisters(double x1, double x2, double x3, double x4);
 
 
 #ifdef DEBUG
 #define CLOBBER_DOUBLE_REGISTERS() ClobberDoubleRegisters(1, 2, 3, 4);
 #else
 #define CLOBBER_DOUBLE_REGISTERS()
 #endif
 
 
-#define DECLARE_RUNTIME_FUNCTION(Name)    \
-Object* Name(int args_length, Object** args_object, Isolate* isolate)
-
 #define RUNTIME_FUNCTION_RETURNS_TYPE(Type, Name)                        \
 static INLINE(Type __RT_impl_##Name(Arguments args, Isolate* isolate));  \
 Type Name(int args_length, Object** args_object, Isolate* isolate) {     \
   CLOBBER_DOUBLE_REGISTERS();                                            \
   Arguments args(args_length, args_object);                              \
   return __RT_impl_##Name(args, isolate);                                \
 }                                                                        \
 static Type __RT_impl_##Name(Arguments args, Isolate* isolate)
 
 
 #define RUNTIME_FUNCTION(Name) RUNTIME_FUNCTION_RETURNS_TYPE(Object*, Name)
 #define RUNTIME_FUNCTION_RETURN_PAIR(Name) \
     RUNTIME_FUNCTION_RETURNS_TYPE(ObjectPair, Name)
 
 #define RUNTIME_ARGUMENTS(isolate, args) \
   args.length(), args.arguments(), isolate
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARGUMENTS_H_