Reland "Remove the weak list of views from array buffers"

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 70 matching lines @@
   V(NumberToString)                         \
   V(RegExpConstructResult)                  \
   V(StoreFastElement)                       \
   V(StoreScriptContextField)                \
   V(StringAdd)                              \
   V(ToBoolean)                              \
   V(TransitionElementsKind)                 \
   V(VectorRawKeyedLoad)                     \
   V(VectorRawLoad)                          \
   /* IC Handler stubs */                    \
+  V(ArrayBufferViewLoadField)               \
   V(LoadConstant)                           \
   V(LoadField)                              \
   V(KeyedLoadSloppyArguments)               \
   V(StoreField)                             \
   V(StoreGlobal)                            \
   V(StoreTransition)                        \
   V(StringLength)                           \
   V(RestParamAccess)
 
 // List of code stubs only used on ARM 32 bits platforms.
@@ skipping 865 matching lines @@
   Code::Kind kind() const override { return Code::LOAD_IC; }
   Code::StubType GetStubType() const override { return Code::FAST; }
 
  private:
   class LoadFieldByIndexBits : public BitField<int, 0, 13> {};
 
   DEFINE_HANDLER_CODE_STUB(LoadField, HandlerStub);
 };
 
 
+class ArrayBufferViewLoadFieldStub : public HandlerStub {
+ public:
+  ArrayBufferViewLoadFieldStub(Isolate* isolate, FieldIndex index)
+      : HandlerStub(isolate) {
+    int property_index_key = index.GetFieldAccessStubKey();
+    set_sub_minor_key(
+        ArrayBufferViewLoadFieldByIndexBits::encode(property_index_key));
+  }
+
+  FieldIndex index() const {
+    int property_index_key =
+        ArrayBufferViewLoadFieldByIndexBits::decode(sub_minor_key());
+    return FieldIndex::FromFieldAccessStubKey(property_index_key);
+  }
+
+ protected:
+  Code::Kind kind() const override { return Code::LOAD_IC; }
+  Code::StubType GetStubType() const override { return Code::FAST; }
+
+ private:
+  class ArrayBufferViewLoadFieldByIndexBits : public BitField<int, 0, 13> {};
+
+  DEFINE_HANDLER_CODE_STUB(ArrayBufferViewLoadField, HandlerStub);
+};
+
+
 class KeyedLoadSloppyArgumentsStub : public HandlerStub {
  public:
   explicit KeyedLoadSloppyArgumentsStub(Isolate* isolate)
       : HandlerStub(isolate) {}
 
  protected:
   Code::Kind kind() const override { return Code::KEYED_LOAD_IC; }
   Code::StubType GetStubType() const override { return Code::FAST; }
 
  private:
@@ skipping 1768 matching lines @@
 
 #undef DEFINE_CALL_INTERFACE_DESCRIPTOR
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_