[stubs] Port LoadFunctionPrototypeStub to CSA

src/mips64/macro-assembler-mips64.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_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips64/assembler-mips64.h"
@@ skipping 1146 matching lines @@
                                   Register end_address, Register filler);
 
   // -------------------------------------------------------------------------
   // Support functions.
 
   // Machine code version of Map::GetConstructor().
   // |temp| holds |result|'s map when done, and |temp2| its instance type.
   void GetMapConstructor(Register result, Register map, Register temp,
                          Register temp2);
 
-  // Try to get function prototype of a function and puts the value in
-  // the result register. Checks that the function really is a
-  // function and jumps to the miss label if the fast checks fail. The
-  // function register will be untouched; the other registers may be
-  // clobbered.
-  void TryGetFunctionPrototype(Register function, Register result,
-                               Register scratch, Label* miss);
-
   void GetObjectType(Register function,
                      Register map,
                      Register type_reg);
 
   void GetInstanceType(Register object_map, Register object_instance_type) {
     lbu(object_instance_type,
         FieldMemOperand(object_map, Map::kInstanceTypeOffset));
   }
 
   // Compare an object's map with the specified map and its transitioned
@@ skipping 792 matching lines @@
     dd(GetLabelFunction(index));
   }
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_