[Interpreter] Introduce IncStub and DecStub.

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 48 matching lines @@
   V(AllocateUint8x16)                         \
   V(AllocateBool8x16)                         \
   V(Allocate)                                 \
   V(ArrayConstructorConstantArgCount)         \
   V(ArrayConstructor)                         \
   V(InternalArrayConstructorConstantArgCount) \
   V(InternalArrayConstructor)                 \
   V(Compare)                                  \
   V(BinaryOp)                                 \
   V(BinaryOpWithAllocationSite)               \
+  V(CountOp)                                  \
   V(StringAdd)                                \
   V(StringCompare)                            \
   V(Keyed)                                    \
   V(Named)                                    \
   V(CallHandler)                              \
   V(ArgumentAdaptor)                          \
   V(ApiCallbackWith0Args)                     \
   V(ApiCallbackWith1Args)                     \
   V(ApiCallbackWith2Args)                     \
   V(ApiCallbackWith3Args)                     \
@@ skipping 545 matching lines @@
   DECLARE_DESCRIPTOR(BinaryOpDescriptor, CallInterfaceDescriptor)
 };
 
 
 class BinaryOpWithAllocationSiteDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(BinaryOpWithAllocationSiteDescriptor,
                      CallInterfaceDescriptor)
 };
 
+class CountOpDescriptor final : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(CountOpDescriptor, CallInterfaceDescriptor)
+};
 
 class StringAddDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(StringAddDescriptor, CallInterfaceDescriptor)
 };
 
 
 class StringCompareDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(StringCompareDescriptor, CallInterfaceDescriptor)
@@ skipping 197 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_