[fullcodegen] Factor out EmitNewClosure from architectures.

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 1147 matching lines @@
   __ Bind(loop_statement.break_label());
   DropOperands(5);
 
   // Exit and decrement the loop depth.
   PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS);
   __ Bind(&exit);
   decrement_loop_depth();
 }
 
 
-void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info,
-                                       bool pretenure) {
-  // Use the fast case closure allocation code that allocates in new space for
-  // nested functions that don't need literals cloning. If we're running with
-  // the --always-opt or the --prepare-always-opt flag, we need to use the
-  // runtime function so that the new function we are creating here gets a
-  // chance to have its code optimized and doesn't just get a copy of the
-  // existing unoptimized code.
-  if (!FLAG_always_opt &&
-      !FLAG_prepare_always_opt &&
-      !pretenure &&
-      scope()->is_function_scope() &&
-      info->num_literals() == 0) {
-    FastNewClosureStub stub(isolate(), info->language_mode(), info->kind());
-    __ Mov(x2, Operand(info));
-    __ CallStub(&stub);
-  } else {
-    __ Push(info);
-    __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured
-                             : Runtime::kNewClosure);
-  }
-  context()->Plug(x0);
-}
-
-
 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset,
                                           FeedbackVectorSlot slot) {
   DCHECK(NeedsHomeObject(initializer));
   __ Peek(StoreDescriptor::ReceiverRegister(), 0);
   __ Mov(StoreDescriptor::NameRegister(),
          Operand(isolate()->factory()->home_object_symbol()));
   __ Peek(StoreDescriptor::ValueRegister(), offset * kPointerSize);
   EmitLoadStoreICSlot(slot);
   CallStoreIC();
 }
@@ skipping 3089 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64