[stubs] Introduce ToNameStub to implement %_ToName.

src/full-codegen/arm64/full-codegen-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/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3229 matching lines @@
   // Convert the object to an integer.
   Label done_convert;
   __ JumpIfSmi(x0, &done_convert);
   __ Push(x0);
   __ CallRuntime(Runtime::kToInteger);
   __ bind(&done_convert);
   context()->Plug(x0);
 }
 
 
-void FullCodeGenerator::EmitToName(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK_EQ(1, args->length());
-
-  // Load the argument into x0 and convert it.
-  VisitForAccumulatorValue(args->at(0));
-
-  Label convert, done_convert;
-  __ JumpIfSmi(x0, &convert);
-  STATIC_ASSERT(FIRST_NAME_TYPE == FIRST_TYPE);
-  __ JumpIfObjectType(x0, x1, x1, LAST_NAME_TYPE, &done_convert, ls);
-  __ Bind(&convert);
-  __ Push(x0);
-  __ CallRuntime(Runtime::kToName);
-  __ Bind(&done_convert);
-  context()->Plug(x0);
-}
-
-
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));
 
   Label done;
   Register code = x0;
   Register result = x1;
 
@@ skipping 1575 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64