[compiler] Initial TurboFan code stubs for abstract relational comparison.

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/codegen.h"
@@ skipping 83 matching lines @@
   V(StoreScriptContextField)                \
   V(StringAdd)                              \
   V(ToBooleanIC)                            \
   V(TransitionElementsKind)                 \
   V(KeyedLoadIC)                            \
   V(LoadIC)                                 \
   /* TurboFanCodeStubs */                   \
   V(AllocateHeapNumber)                     \
   V(AllocateMutableHeapNumber)              \
   V(StringLength)                           \
+  V(LessThan)                               \
+  V(LessThanOrEqual)                        \
+  V(GreaterThan)                            \
+  V(GreaterThanOrEqual)                     \
   V(StrictEqual)                            \
   V(StrictNotEqual)                         \
   V(StringEqual)                            \
   V(StringNotEqual)                         \
   V(ToBoolean)                              \
   /* IC Handler stubs */                    \
   V(ArrayBufferViewLoadField)               \
   V(LoadConstant)                           \
   V(LoadFastElement)                        \
   V(LoadField)                              \
@@ skipping 230 matching lines @@
   void Generate(MacroAssembler* masm) override; \
   DEFINE_CODE_STUB(NAME, SUPER)
 
 
 #define DEFINE_HYDROGEN_CODE_STUB(NAME, SUPER)                        \
  public:                                                              \
   void InitializeDescriptor(CodeStubDescriptor* descriptor) override; \
   Handle<Code> GenerateCode() override;                               \
   DEFINE_CODE_STUB(NAME, SUPER)
 
-#define DEFINE_TURBOFAN_CODE_STUB(NAME, SUPER)                          \
- public:                                                                \
-  CallInterfaceDescriptor GetCallInterfaceDescriptor() const override { \
-    return DESC##Descriptor(isolate());                                 \
-  };                                                                    \
+#define DEFINE_TURBOFAN_CODE_STUB(NAME, SUPER)                  \
+ public:                                                        \
+  void GenerateAssembly(compiler::CodeStubAssembler* assembler) \
+      const override;                                           \
   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 { \
@@ skipping 253 matching lines @@
 
 
 class StringLengthStub : public TurboFanCodeStub {
  public:
   explicit StringLengthStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   Code::Kind GetCodeKind() const override { return Code::HANDLER; }
   InlineCacheState GetICState() const override { return MONOMORPHIC; }
   ExtraICState GetExtraICState() const override { return Code::LOAD_IC; }
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const override;
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
+  DEFINE_TURBOFAN_CODE_STUB(StringLength, TurboFanCodeStub);
+};
 
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
-  DEFINE_CODE_STUB(StringLength, TurboFanCodeStub);
+class LessThanStub final : public TurboFanCodeStub {
+ public:
+  explicit LessThanStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
+  DEFINE_TURBOFAN_CODE_STUB(LessThan, TurboFanCodeStub);
+};
+
+class LessThanOrEqualStub final : public TurboFanCodeStub {
+ public:
+  explicit LessThanOrEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
+  DEFINE_TURBOFAN_CODE_STUB(LessThanOrEqual, TurboFanCodeStub);
+};
+
+class GreaterThanStub final : public TurboFanCodeStub {
+ public:
+  explicit GreaterThanStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
+  DEFINE_TURBOFAN_CODE_STUB(GreaterThan, TurboFanCodeStub);
+};
+
+class GreaterThanOrEqualStub final : public TurboFanCodeStub {
+ public:
+  explicit GreaterThanOrEqualStub(Isolate* isolate)
+      : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
+  DEFINE_TURBOFAN_CODE_STUB(GreaterThanOrEqual, TurboFanCodeStub);
 };
 
 class StrictEqualStub final : public TurboFanCodeStub {
  public:
   explicit StrictEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const final;
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
-  DEFINE_CODE_STUB(StrictEqual, TurboFanCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(StrictEqual, TurboFanCodeStub);
 };
 
 class StrictNotEqualStub final : public TurboFanCodeStub {
  public:
   explicit StrictNotEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const final;
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
-  DEFINE_CODE_STUB(StrictNotEqual, TurboFanCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(StrictNotEqual, TurboFanCodeStub);
 };
 
 class StringEqualStub final : public TurboFanCodeStub {
  public:
   explicit StringEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const final;
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
-  DEFINE_CODE_STUB(StringEqual, TurboFanCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(StringEqual, TurboFanCodeStub);
 };
 
 class StringNotEqualStub final : public TurboFanCodeStub {
  public:
   explicit StringNotEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const final;
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
-  DEFINE_CODE_STUB(StringNotEqual, TurboFanCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(StringNotEqual, TurboFanCodeStub);
 };
 
 class ToBooleanStub final : public TurboFanCodeStub {
  public:
   explicit ToBooleanStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
-  void GenerateAssembly(compiler::CodeStubAssembler* assembler) const final;
-
   DEFINE_CALL_INTERFACE_DESCRIPTOR(ToBoolean);
-  DEFINE_CODE_STUB(ToBoolean, TurboFanCodeStub);
+  DEFINE_TURBOFAN_CODE_STUB(ToBoolean, TurboFanCodeStub);
 };
 
 enum StringAddFlags {
   // Omit both parameter checks.
   STRING_ADD_CHECK_NONE = 0,
   // Check left parameter.
   STRING_ADD_CHECK_LEFT = 1 << 0,
   // Check right parameter.
   STRING_ADD_CHECK_RIGHT = 1 << 1,
   // Check both parameters.
@@ skipping 2231 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_