[stubs] Port LoadFunctionPrototypeStub to CSA

src/arm64/code-stubs-arm64.cc

 // Copyright 2013 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1250 matching lines @@
   // Restore the callee-saved registers and return.
   DCHECK(jssp.Is(__ StackPointer()));
   __ Mov(csp, jssp);
   __ SetStackPointer(csp);
   __ PopCalleeSavedRegisters();
   // After this point, we must not modify jssp because it is a callee-saved
   // register which we have just restored.
   __ Ret();
 }
 
-
-void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
-  Label miss;
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  // Ensure that the vector and slot registers won't be clobbered before
-  // calling the miss handler.
-  DCHECK(!AreAliased(x10, x11, LoadWithVectorDescriptor::VectorRegister(),
-                     LoadWithVectorDescriptor::SlotRegister()));
-
-  NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, x10,
-                                                          x11, &miss);
-
-  __ Bind(&miss);
-  PropertyAccessCompiler::TailCallBuiltin(
-      masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
-}
-
 void RegExpExecStub::Generate(MacroAssembler* masm) {
 #ifdef V8_INTERPRETED_REGEXP
   __ TailCallRuntime(Runtime::kRegExpExec);
 #else  // V8_INTERPRETED_REGEXP
 
   // Stack frame on entry.
   //  jssp[0]: last_match_info (expected JSArray)
   //  jssp[8]: previous index
   //  jssp[16]: subject string
   //  jssp[24]: JSRegExp object
@@ skipping 2328 matching lines @@
                            kStackUnwindSpace, NULL, spill_offset,
                            return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64