[turbofan] Add NewUnmappedArgumentsElements and NewRestParametersArguments.

src/interface-descriptors.h

 // 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.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include <memory>
 
 #include "src/assembler.h"
@@ skipping 69 matching lines @@
   V(HasProperty)                          \
   V(ForInFilter)                          \
   V(GetProperty)                          \
   V(CallHandler)                          \
   V(ArgumentAdaptor)                      \
   V(ApiCallback)                          \
   V(ApiGetter)                            \
   V(MathPowTagged)                        \
   V(MathPowInteger)                       \
   V(GrowArrayElements)                    \
+  V(NewArgumentsElements)                 \
   V(InterpreterDispatch)                  \
   V(InterpreterPushArgsAndCall)           \
   V(InterpreterPushArgsAndConstruct)      \
   V(InterpreterPushArgsAndConstructArray) \
   V(InterpreterCEntry)                    \
   V(ResumeGenerator)
 
 class V8_EXPORT_PRIVATE CallInterfaceDescriptorData {
  public:
   CallInterfaceDescriptorData() : register_param_count_(-1), param_count_(-1) {}
@@ skipping 672 matching lines @@
 // TODO(turbofan): We should probably rename this to GrowFastElementsDescriptor.
 class GrowArrayElementsDescriptor : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject, kKey)
   DECLARE_DESCRIPTOR(GrowArrayElementsDescriptor, CallInterfaceDescriptor)
 
   static const Register ObjectRegister();
   static const Register KeyRegister();
 };
 
+class NewArgumentsElementsDescriptor final : public CallInterfaceDescriptor {
+ public:
+  DEFINE_PARAMETERS(kFormalParameterCount)
+  DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(NewArgumentsElementsDescriptor,
+                                               CallInterfaceDescriptor)
+};
+
 class V8_EXPORT_PRIVATE InterpreterDispatchDescriptor
     : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kAccumulator, kBytecodeOffset, kBytecodeArray,
                     kDispatchTable)
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(InterpreterDispatchDescriptor,
                                                CallInterfaceDescriptor)
 };
 
 class InterpreterPushArgsAndCallDescriptor : public CallInterfaceDescriptor {
@@ skipping 50 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_