X87: [stubs] Port builtin for Array.push fast-case from Crankshaft to TF.

src/x87/code-stubs-x87.cc

 // 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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 16 matching lines @@
 void ArrayNArgumentsConstructorStub::Generate(MacroAssembler* masm) {
   __ pop(ecx);
   __ mov(MemOperand(esp, eax, times_4, 0), edi);
   __ push(edi);
   __ push(ebx);
   __ push(ecx);
   __ add(eax, Immediate(3));
   __ TailCallRuntime(Runtime::kNewArray);
 }
 
-void FastArrayPushStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
-  Address deopt_handler = Runtime::FunctionForId(Runtime::kArrayPush)->entry;
-  descriptor->Initialize(eax, deopt_handler, -1, JS_FUNCTION_STUB_MODE);
-}
-
 void FastFunctionBindStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   Address deopt_handler = Runtime::FunctionForId(Runtime::kFunctionBind)->entry;
   descriptor->Initialize(eax, deopt_handler, -1, JS_FUNCTION_STUB_MODE);
 }
 
 void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm,
                                                ExternalReference miss) {
   // Update the static counter each time a new code stub is generated.
   isolate()->counters()->code_stubs()->Increment();
@@ skipping 4178 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87