Remove unused interface descriptors

Bug: v8:7754
Change-Id: I89d655129a860cd5f5d1d62600ab2df43d406974
Reviewed-on: https://chromium-review.googlesource.com/1078735Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53441}

src/interface-descriptors.cc

@@ -88,16 +88,6 @@ const Register FastNewObjectDescriptor::NewTargetRegister() {
   return kJavaScriptCallNewTargetRegister;
 }
 
-void FastNewArgumentsDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {TargetRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-const Register FastNewArgumentsDescriptor::TargetRegister() {
-  return kJSFunctionRegister;
-}
-
 void RecordWriteDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   MachineType machine_types[] = {MachineType::TaggedPointer(),
@@ -231,29 +221,6 @@ void StoreTransitionDescriptor::InitializePlatformIndependent(
                                       machine_types);
 }
 
-void StoreNamedTransitionDescriptor::InitializePlatformIndependent(
-    CallInterfaceDescriptorData* data) {
-  // kReceiver, kFieldOffset, kMap, kValue, kSlot, kVector, kName
-  MachineType machine_types[] = {
-      MachineType::AnyTagged(),    MachineType::TaggedSigned(),
-      MachineType::AnyTagged(),    MachineType::AnyTagged(),
-      MachineType::TaggedSigned(), MachineType::AnyTagged(),
-      MachineType::AnyTagged()};
-  data->InitializePlatformIndependent(arraysize(machine_types), 0,
-                                      machine_types);
-}
-
-void StoreNamedTransitionDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      ReceiverRegister(), FieldOffsetRegister(), MapRegister(),
-      ValueRegister(),    SlotRegister(),        VectorRegister(),
-      NameRegister(),
-  };
-  int len = arraysize(registers) - kStackArgumentsCount;
-  data->InitializePlatformSpecific(len, registers);
-}
-
 void StringAtDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kReceiver, kPosition

src/interface-descriptors.h

@@ -26,13 +26,11 @@ class PlatformInterfaceDescriptor;
   V(LoadGlobalWithVector)             \
   V(Store)                            \
   V(StoreWithVector)                  \
-  V(StoreNamedTransition)             \
   V(StoreTransition)                  \
   V(StoreGlobal)                      \
   V(StoreGlobalWithVector)            \
   V(FastNewFunctionContext)           \
   V(FastNewObject)                    \
-  V(FastNewArguments)                 \
   V(RecordWrite)                      \
   V(TypeConversion)                   \
   V(TypeConversionStackParameter)     \
@@ -53,7 +51,6 @@ class PlatformInterfaceDescriptor;
   V(AllocateHeapNumber)               \
   V(Builtin)                          \
   V(ArrayConstructor)                 \
-  V(IteratingArrayBuiltin)            \
   V(ArrayNoArgumentConstructor)       \
   V(ArraySingleArgumentConstructor)   \
   V(ArrayNArgumentsConstructor)       \
@@ -61,7 +58,6 @@ class PlatformInterfaceDescriptor;
   V(BinaryOp)                         \
   V(StringAt)                         \
   V(StringSubstring)                  \
-  V(ForInPrepare)                     \
   V(GetProperty)                      \
   V(ArgumentAdaptor)                  \
   V(ApiCallback)                      \
@@ -412,24 +408,6 @@ class StoreTransitionDescriptor : public StoreDescriptor {
   static const int kStackArgumentsCount = kPassLastArgsOnStack ? 3 : 0;
 };
 
-class StoreNamedTransitionDescriptor : public StoreTransitionDescriptor {
- public:
-  DEFINE_PARAMETERS(kReceiver, kFieldOffset, kMap, kValue, kSlot, kVector,
-                    kName)
-  DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(StoreNamedTransitionDescriptor,
-                                               StoreTransitionDescriptor)
-
-  // Always pass name on the stack.
-  static const bool kPassLastArgsOnStack = true;
-  static const int kStackArgumentsCount =
-      StoreTransitionDescriptor::kStackArgumentsCount + 1;
-
-  static const Register NameRegister() { return no_reg; }
-  static const Register FieldOffsetRegister() {
-    return StoreTransitionDescriptor::NameRegister();
-  }
-};
-
 class StoreWithVectorDescriptor : public StoreDescriptor {
  public:
   DEFINE_PARAMETERS(kReceiver, kName, kValue, kSlot, kVector)
@@ -518,13 +496,6 @@ class FastNewObjectDescriptor : public CallInterfaceDescriptor {
   static const Register NewTargetRegister();
 };
 
-class FastNewArgumentsDescriptor : public CallInterfaceDescriptor {
- public:
-  DEFINE_PARAMETERS(kFunction)
-  DECLARE_DESCRIPTOR(FastNewArgumentsDescriptor, CallInterfaceDescriptor)
-  static const Register TargetRegister();
-};
-
 class RecordWriteDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject, kSlot, kIsolate, kRememberedSet, kFPMode)
@@ -548,13 +519,6 @@ class TypeConversionStackParameterDescriptor final
       TypeConversionStackParameterDescriptor, CallInterfaceDescriptor)
 };
 
-class ForInPrepareDescriptor final : public CallInterfaceDescriptor {
- public:
-  DEFINE_PARAMETERS(kObject)
-  DECLARE_DEFAULT_DESCRIPTOR(ForInPrepareDescriptor, CallInterfaceDescriptor,
-                             kParameterCount)
-};
-
 class GetPropertyDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject, kKey)
@@ -680,12 +644,6 @@ class BuiltinDescriptor : public CallInterfaceDescriptor {
   static const Register TargetRegister();
 };
 
-class IteratingArrayBuiltinDescriptor : public BuiltinDescriptor {
- public:
-  DEFINE_BUILTIN_PARAMETERS(kCallback, kThisArg)
-  DECLARE_BUILTIN_DESCRIPTOR(IteratingArrayBuiltinDescriptor)
-};
-
 // TODO(jgruber): Replace with generic TFS descriptor.
 class ArrayConstructorDescriptor : public CallInterfaceDescriptor {
  public: