[stubs] Unify the type conversion call interface descriptors.

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 "src/assembler.h"
 #include "src/macro-assembler.h"
 
@@ skipping 11 matching lines @@
   V(VectorStoreICTrampoline)                  \
   V(VectorStoreIC)                            \
   V(InstanceOf)                               \
   V(LoadWithVector)                           \
   V(FastNewClosure)                           \
   V(FastNewContext)                           \
   V(FastNewObject)                            \
   V(FastNewRestParameter)                     \
   V(FastNewSloppyArguments)                   \
   V(FastNewStrictArguments)                   \
-  V(ToNumber)                                 \
-  V(ToLength)                                 \
-  V(ToString)                                 \
-  V(ToName)                                   \
-  V(ToObject)                                 \
-  V(NumberToString)                           \
+  V(TypeConversion)                           \
   V(Typeof)                                   \
   V(FastCloneRegExp)                          \
   V(FastCloneShallowArray)                    \
   V(FastCloneShallowObject)                   \
   V(CreateAllocationSite)                     \
   V(CreateWeakCell)                           \
   V(CallFunction)                             \
   V(CallFunctionWithFeedback)                 \
   V(CallFunctionWithFeedbackAndVector)        \
   V(CallConstruct)                            \
   V(CallTrampoline)                           \
   V(ConstructStub)                            \
   V(ConstructTrampoline)                      \
   V(RegExpConstructResult)                    \
   V(TransitionElementsKind)                   \
   V(AllocateHeapNumber)                       \
   V(AllocateMutableHeapNumber)                \
   V(AllocateInNewSpace)                       \
   V(ArrayConstructorConstantArgCount)         \
   V(ArrayConstructor)                         \
   V(InternalArrayConstructorConstantArgCount) \
   V(InternalArrayConstructor)                 \
   V(Compare)                                  \
-  V(ToBoolean)                                \
   V(BinaryOp)                                 \
   V(BinaryOpWithAllocationSite)               \
   V(StringAdd)                                \
   V(StringCompare)                            \
   V(Keyed)                                    \
   V(Named)                                    \
   V(CallHandler)                              \
   V(ArgumentAdaptor)                          \
   V(ApiCallbackWith0Args)                     \
   V(ApiCallbackWith1Args)                     \
@@ skipping 337 matching lines @@
   DECLARE_DESCRIPTOR(FastNewSloppyArgumentsDescriptor,
                      CallInterfaceDescriptor)
 };
 
 class FastNewStrictArgumentsDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(FastNewStrictArgumentsDescriptor,
                      CallInterfaceDescriptor)
 };
 
+class TypeConversionDescriptor final : public CallInterfaceDescriptor {
+ public:
+  enum ParameterIndices { kArgumentIndex };
 
-class ToNumberDescriptor : public CallInterfaceDescriptor {
- public:
-  DECLARE_DESCRIPTOR(ToNumberDescriptor, CallInterfaceDescriptor)
+  DECLARE_DESCRIPTOR(TypeConversionDescriptor, CallInterfaceDescriptor)
+
+  static const Register ArgumentRegister();
 };
 
 
-class ToLengthDescriptor : public CallInterfaceDescriptor {
- public:
-  enum ParameterIndices { kReceiverIndex };
-
-  DECLARE_DESCRIPTOR(ToLengthDescriptor, CallInterfaceDescriptor)
-
-  static const Register ReceiverRegister();
-};
-
-
-class ToStringDescriptor : public CallInterfaceDescriptor {
- public:
-  enum ParameterIndices { kReceiverIndex };
-
-  DECLARE_DESCRIPTOR(ToStringDescriptor, CallInterfaceDescriptor)
-
-  static const Register ReceiverRegister();
-};
-
-
-class ToNameDescriptor : public CallInterfaceDescriptor {
- public:
-  enum ParameterIndices { kReceiverIndex };
-
-  DECLARE_DESCRIPTOR(ToNameDescriptor, CallInterfaceDescriptor)
-
-  static const Register ReceiverRegister();
-};
-
-
-class ToObjectDescriptor : public CallInterfaceDescriptor {
- public:
-  enum ParameterIndices { kReceiverIndex };
-
-  DECLARE_DESCRIPTOR(ToObjectDescriptor, CallInterfaceDescriptor)
-
-  static const Register ReceiverRegister();
-};
-
-
-class NumberToStringDescriptor : public CallInterfaceDescriptor {
- public:
-  DECLARE_DESCRIPTOR(NumberToStringDescriptor, CallInterfaceDescriptor)
-};
-
-
 class TypeofDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(TypeofDescriptor, CallInterfaceDescriptor)
 };
 
 
 class FastCloneRegExpDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(FastCloneRegExpDescriptor,
                                                CallInterfaceDescriptor)
@@ skipping 161 matching lines @@
       InternalArrayConstructorDescriptor, CallInterfaceDescriptor)
 };
 
 
 class CompareDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(CompareDescriptor, CallInterfaceDescriptor)
 };
 
 
-class ToBooleanDescriptor : public CallInterfaceDescriptor {
- public:
-  DECLARE_DESCRIPTOR(ToBooleanDescriptor, CallInterfaceDescriptor)
-};
-
-
 class BinaryOpDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(BinaryOpDescriptor, CallInterfaceDescriptor)
 };
 
 
 class BinaryOpWithAllocationSiteDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(BinaryOpWithAllocationSiteDescriptor,
                      CallInterfaceDescriptor)
@@ skipping 200 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_