[stubs] Port LoadFunctionPrototypeStub to CSA

src/x87/macro-assembler-x87.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_X87_MACRO_ASSEMBLER_X87_H_
 #define V8_X87_MACRO_ASSEMBLER_X87_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 619 matching lines @@
 
   // Check if result is zero and any of op1 and op2 are negative.
   // Register scratch is destroyed, and it must be different from op2.
   void NegativeZeroTest(Register result, Register op1, Register op2,
                         Register scratch, Label* then_label);
 
   // Machine code version of Map::GetConstructor().
   // |temp| holds |result|'s map when done.
   void GetMapConstructor(Register result, Register map, Register temp);
 
-  // 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);
-
   // ---------------------------------------------------------------------------
   // Runtime calls
 
   // Call a code stub.  Generate the code if necessary.
   void CallStub(CodeStub* stub, TypeFeedbackId ast_id = TypeFeedbackId::None());
 
   // Tail call a code stub (jump).  Generate the code if necessary.
   void TailCallStub(CodeStub* stub);
 
   // Return from a code stub after popping its arguments.
@@ skipping 307 matching lines @@
 inline Operand NativeContextOperand() {
   return ContextOperand(esi, Context::NATIVE_CONTEXT_INDEX);
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X87_MACRO_ASSEMBLER_X87_H_