[Interpreter] Inline Inc/Dec code stubs into bytecode handlers.

src/code-stubs.h

 // 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 396 matching lines @@
   static compiler::Node* Generate(CodeStubAssembler* assembler,                \
                                   compiler::Node* left, compiler::Node* right, \
                                   compiler::Node* context);                    \
   void GenerateAssembly(CodeStubAssembler* assembler) const override {         \
     assembler->Return(Generate(assembler, assembler->Parameter(0),             \
                                assembler->Parameter(1),                        \
                                assembler->Parameter(2)));                      \
   }                                                                            \
   DEFINE_CODE_STUB(NAME, SUPER)
 
+#define DEFINE_TURBOFAN_UNARY_OP_CODE_STUB(NAME, SUPER)                \
+ public:                                                               \
+  static compiler::Node* Generate(CodeStubAssembler* assembler,        \
+                                  compiler::Node* value,               \
+                                  compiler::Node* context);            \
+  void GenerateAssembly(CodeStubAssembler* assembler) const override { \
+    assembler->Return(Generate(assembler, assembler->Parameter(0),     \
+                               assembler->Parameter(1)));              \
+  }                                                                    \
+  DEFINE_CODE_STUB(NAME, SUPER)
+
 #define DEFINE_HANDLER_CODE_STUB(NAME, SUPER) \
  public:                                      \
   Handle<Code> GenerateCode() override;       \
   DEFINE_CODE_STUB(NAME, SUPER)
 
 #define DEFINE_CALL_INTERFACE_DESCRIPTOR(NAME)                          \
  public:                                                                \
   CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { \
     return NAME##Descriptor(isolate());                                 \
   }
@@ skipping 348 matching lines @@
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
   DEFINE_TURBOFAN_BINARY_OP_CODE_STUB(BitwiseXor, TurboFanCodeStub);
 };
 
 class IncStub final : public TurboFanCodeStub {
  public:
   explicit IncStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(CountOp);
-  DEFINE_TURBOFAN_CODE_STUB(Inc, TurboFanCodeStub);
+  DEFINE_TURBOFAN_UNARY_OP_CODE_STUB(Inc, TurboFanCodeStub);
 };
 
 class DecStub final : public TurboFanCodeStub {
  public:
   explicit DecStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(CountOp);
-  DEFINE_TURBOFAN_CODE_STUB(Dec, TurboFanCodeStub);
+  DEFINE_TURBOFAN_UNARY_OP_CODE_STUB(Dec, TurboFanCodeStub);
 };
 
 class InstanceOfStub final : public TurboFanCodeStub {
  public:
   explicit InstanceOfStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
  private:
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
   DEFINE_TURBOFAN_CODE_STUB(InstanceOf, TurboFanCodeStub);
 };
@@ skipping 2445 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_