[builtins] Properly optimize TypedArray/DataView accessors.

src/builtins.h

 // Copyright 2011 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_BUILTINS_H_
 #define V8_BUILTINS_H_
 
 #include "src/base/flags.h"
 #include "src/handles.h"
 
@@ skipping 60 matching lines @@
   V(ArrayBufferConstructor_ConstructStub, kTargetAndNewTarget) \
   V(ArrayBufferIsView, kNone)                                  \
                                                                \
   V(BooleanConstructor, kNone)                                 \
   V(BooleanConstructor_ConstructStub, kTargetAndNewTarget)     \
   V(BooleanPrototypeToString, kNone)                           \
   V(BooleanPrototypeValueOf, kNone)                            \
                                                                \
   V(DataViewConstructor, kNone)                                \
   V(DataViewConstructor_ConstructStub, kTargetAndNewTarget)    \
+  V(DataViewPrototypeGetBuffer, kNone)                         \
+  V(DataViewPrototypeGetByteLength, kNone)                     \
+  V(DataViewPrototypeGetByteOffset, kNone)                     \
                                                                \
   V(DateConstructor, kNone)                                    \
   V(DateConstructor_ConstructStub, kTargetAndNewTarget)        \
   V(DateNow, kNone)                                            \
   V(DateParse, kNone)                                          \
   V(DateUTC, kNone)                                            \
   V(DatePrototypeSetDate, kNone)                               \
   V(DatePrototypeSetFullYear, kNone)                           \
   V(DatePrototypeSetHours, kNone)                              \
   V(DatePrototypeSetMilliseconds, kNone)                       \
@@ skipping 84 matching lines @@
   V(ReflectSet, kNone)                                         \
   V(ReflectSetPrototypeOf, kNone)                              \
                                                                \
   V(StringPrototypeTrim, kNone)                                \
   V(StringPrototypeTrimLeft, kNone)                            \
   V(StringPrototypeTrimRight, kNone)                           \
                                                                \
   V(SymbolConstructor, kNone)                                  \
   V(SymbolConstructor_ConstructStub, kTarget)                  \
                                                                \
+  V(TypedArrayPrototypeBuffer, kNone)                          \
+                                                               \
   V(HandleApiCall, kTargetAndNewTarget)                        \
   V(HandleApiCallAsFunction, kNone)                            \
   V(HandleApiCallAsConstructor, kNone)                         \
                                                                \
   V(RestrictedFunctionPropertiesThrower, kNone)                \
   V(RestrictedStrictArgumentsPropertiesThrower, kNone)
 
 // Define list of builtins implemented in assembly.
 #define BUILTIN_LIST_A(V)                                                      \
   V(AllocateInNewSpace, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
@@ skipping 118 matching lines @@
   V(OnStackReplacement, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
   V(InterruptCheck, BUILTIN, UNINITIALIZED, kNoExtraICState)                   \
   V(StackCheck, BUILTIN, UNINITIALIZED, kNoExtraICState)                       \
                                                                                \
   V(MarkCodeAsToBeExecutedOnce, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(MarkCodeAsExecutedOnce, BUILTIN, UNINITIALIZED, kNoExtraICState)           \
   V(MarkCodeAsExecutedTwice, BUILTIN, UNINITIALIZED, kNoExtraICState)          \
   CODE_AGE_LIST_WITH_ARG(DECLARE_CODE_AGE_BUILTIN, V)
 
 // Define list of builtins implemented in TurboFan (with JS linkage).
-#define BUILTIN_LIST_T(V)            \
-  V(FunctionPrototypeHasInstance, 2) \
-  V(GeneratorPrototypeNext, 2)       \
-  V(GeneratorPrototypeReturn, 2)     \
-  V(GeneratorPrototypeThrow, 2)      \
-  V(MathCeil, 2)                     \
-  V(MathClz32, 2)                    \
-  V(MathFloor, 2)                    \
-  V(MathLog, 2)                      \
-  V(MathRound, 2)                    \
-  V(MathSqrt, 2)                     \
-  V(MathTrunc, 2)                    \
-  V(ObjectHasOwnProperty, 2)         \
-  V(ArrayIsArray, 2)                 \
-  V(StringFromCharCode, 2)           \
-  V(StringPrototypeCharAt, 2)        \
-  V(StringPrototypeCharCodeAt, 2)    \
-  V(AtomicsLoad, 3)                  \
+#define BUILTIN_LIST_T(V)             \
+  V(FunctionPrototypeHasInstance, 2)  \
+  V(GeneratorPrototypeNext, 2)        \
+  V(GeneratorPrototypeReturn, 2)      \
+  V(GeneratorPrototypeThrow, 2)       \
+  V(MathCeil, 2)                      \
+  V(MathClz32, 2)                     \
+  V(MathFloor, 2)                     \
+  V(MathLog, 2)                       \
+  V(MathRound, 2)                     \
+  V(MathSqrt, 2)                      \
+  V(MathTrunc, 2)                     \
+  V(ObjectHasOwnProperty, 2)          \
+  V(ArrayIsArray, 2)                  \
+  V(StringFromCharCode, 2)            \
+  V(StringPrototypeCharAt, 2)         \
+  V(StringPrototypeCharCodeAt, 2)     \
+  V(TypedArrayPrototypeByteLength, 1) \
+  V(TypedArrayPrototypeByteOffset, 1) \
+  V(TypedArrayPrototypeLength, 1)     \
+  V(AtomicsLoad, 3)                   \
   V(AtomicsStore, 4)
 
 // Define list of builtin handlers implemented in assembly.
 #define BUILTIN_LIST_H(V)                    \
   V(LoadIC_Slow,             LOAD_IC)        \
   V(KeyedLoadIC_Slow,        KEYED_LOAD_IC)  \
   V(StoreIC_Slow,            STORE_IC)       \
   V(KeyedStoreIC_Slow,       KEYED_STORE_IC) \
   V(LoadIC_Normal,           LOAD_IC)        \
   V(StoreIC_Normal,          STORE_IC)
@@ skipping 312 matching lines @@
 
   // ES6 section 21.1.2.1 String.fromCharCode ( ...codeUnits )
   static void Generate_StringFromCharCode(CodeStubAssembler* assembler);
   // ES6 section 21.1.3.1 String.prototype.charAt ( pos )
   static void Generate_StringPrototypeCharAt(CodeStubAssembler* assembler);
   // ES6 section 21.1.3.2 String.prototype.charCodeAt ( pos )
   static void Generate_StringPrototypeCharCodeAt(CodeStubAssembler* assembler);
 
   static void Generate_StringConstructor(MacroAssembler* masm);
   static void Generate_StringConstructor_ConstructStub(MacroAssembler* masm);
+
+  // ES6 section 22.2.3.2 get %TypedArray%.prototype.byteLength
+  static void Generate_TypedArrayPrototypeByteLength(
+      CodeStubAssembler* assembler);
+  // ES6 section 22.2.3.3 get %TypedArray%.prototype.byteOffset
+  static void Generate_TypedArrayPrototypeByteOffset(
+      CodeStubAssembler* assembler);
+  // ES6 section 22.2.3.18 get %TypedArray%.prototype.length
+  static void Generate_TypedArrayPrototypeLength(CodeStubAssembler* assembler);
+
   static void Generate_OnStackReplacement(MacroAssembler* masm);
   static void Generate_InterruptCheck(MacroAssembler* masm);
   static void Generate_StackCheck(MacroAssembler* masm);
 
   static void Generate_InterpreterEntryTrampoline(MacroAssembler* masm);
   static void Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm);
   static void Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm);
   static void Generate_InterpreterPushArgsAndCall(MacroAssembler* masm) {
     return Generate_InterpreterPushArgsAndCallImpl(masm,
                                                    TailCallMode::kDisallow);
@@ skipping 27 matching lines @@
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_H_