[promises] Move promise constructor to TFS

src/builtins/ppc/builtins-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2768 matching lines @@
   }
 
   // Called Construct on an Object that doesn't have a [[Construct]] internal
   // method.
   __ bind(&non_constructor);
   __ Jump(masm->isolate()->builtins()->ConstructedNonConstructable(),
           RelocInfo::CODE_TARGET);
 }
 
 // static
+void Builtins::Generate_PromiseConstructorHelper(MacroAssembler* masm) {
+  Generate_JSConstructStubHelper(masm, false, false, false);
+}
+
+// static
 void Builtins::Generate_AllocateInNewSpace(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r4 : requested object size (untagged)
   //  -- lr : return address
   // -----------------------------------
   __ SmiTag(r4);
   __ Push(r4);
   __ LoadSmiLiteral(cp, Smi::kZero);
   __ TailCallRuntime(Runtime::kAllocateInNewSpace);
 }
@@ skipping 152 matching lines @@
     __ CallRuntime(Runtime::kThrowStackOverflow);
     __ bkpt(0);
   }
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC