[stubs] Simplify the ArrayConstructorStub.

src/code-stubs.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.
 
 #include "src/code-stubs.h"
 
 #include <sstream>
 
 #include "src/ast/ast.h"
 #include "src/bootstrapper.h"
@@ skipping 2674 matching lines @@
   StoreFastElementStub(isolate, false, FAST_HOLEY_ELEMENTS,
                        STORE_AND_GROW_NO_TRANSITION).GetCode();
   for (int i = FIRST_FAST_ELEMENTS_KIND; i <= LAST_FAST_ELEMENTS_KIND; i++) {
     ElementsKind kind = static_cast<ElementsKind>(i);
     StoreFastElementStub(isolate, true, kind, STANDARD_STORE).GetCode();
     StoreFastElementStub(isolate, true, kind, STORE_AND_GROW_NO_TRANSITION)
         .GetCode();
   }
 }
 
-void ArrayConstructorStub::PrintName(std::ostream& os) const {  // NOLINT
-  os << "ArrayConstructorStub";
-  switch (argument_count()) {
-    case ANY:
-      os << "_Any";
-      break;
-    case NONE:
-      os << "_None";
-      break;
-    case ONE:
-      os << "_One";
-      break;
-    case MORE_THAN_ONE:
-      os << "_More_Than_One";
-      break;
-  }
-  return;
-}
-
-
 bool ToBooleanICStub::UpdateStatus(Handle<Object> object) {
   Types new_types = types();
   Types old_types = new_types;
   bool to_boolean_value = new_types.UpdateStatus(isolate(), object);
   TraceTransition(old_types, new_types);
   set_sub_minor_key(TypesBits::update(sub_minor_key(), new_types.ToIntegral()));
   return to_boolean_value;
 }
 
 void ToBooleanICStub::PrintState(std::ostream& os) const {  // NOLINT
@@ skipping 244 matching lines @@
   // allocation path (zero, since all the stubs inputs are in registers) and
   // when the call happens (it would be two in the tail call case due to the
   // tail call pushing the arguments on the stack for the runtime call). By not
   // tail-calling, the runtime call case also has zero arguments on the stack
   // for the stub frame.
   assembler->Return(assembler->CallRuntime(Runtime::kGrowArrayElements, context,
                                            object, key));
 }
 
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
-    : PlatformCodeStub(isolate) {
-  minor_key_ = ArgumentCountBits::encode(ANY);
-}
-
-ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate,
-                                           int argument_count)
-    : PlatformCodeStub(isolate) {
-  if (argument_count == 0) {
-    minor_key_ = ArgumentCountBits::encode(NONE);
-  } else if (argument_count == 1) {
-    minor_key_ = ArgumentCountBits::encode(ONE);
-  } else if (argument_count >= 2) {
-    minor_key_ = ArgumentCountBits::encode(MORE_THAN_ONE);
-  } else {
-    UNREACHABLE();
-  }
-}
+    : PlatformCodeStub(isolate) {}
 
 InternalArrayConstructorStub::InternalArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate) {}
 
 Representation RepresentationFromMachineType(MachineType type) {
   if (type == MachineType::Int32()) {
     return Representation::Integer32();
   }
 
   if (type == MachineType::TaggedSigned()) {
     return Representation::Smi();
   }
 
   if (type == MachineType::Pointer()) {
     return Representation::External();
   }
 
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8