[compiler] Generalize context load/store operations in code-stub-assembler.

src/interpreter/interpreter-assembler.cc

 // Copyright 2015 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.
 
 #include "src/interpreter/interpreter-assembler.h"
 
 #include <limits>
 #include <ostream>
 
 #include "src/code-factory.h"
@@ skipping 467 matching lines @@
       IntPtrAdd(IntPtrConstant(offset), WordShl(index, kPointerSizeLog2));
   if (Is64()) {
     return ChangeInt32ToInt64(
         Load(MachineType::Int32(), constant_pool, entry_offset));
   } else {
     return SmiUntag(
         Load(MachineType::AnyTagged(), constant_pool, entry_offset));
   }
 }
 
-Node* InterpreterAssembler::LoadContextSlot(Node* context, Node* slot_index) {
-  Node* offset =
-      IntPtrAdd(WordShl(slot_index, kPointerSizeLog2),
-                IntPtrConstant(Context::kHeaderSize - kHeapObjectTag));
-  return Load(MachineType::AnyTagged(), context, offset);
-}
-
-Node* InterpreterAssembler::StoreContextSlot(Node* context, Node* slot_index,
-                                             Node* value) {
-  Node* offset =
-      IntPtrAdd(WordShl(slot_index, kPointerSizeLog2),
-                IntPtrConstant(Context::kHeaderSize - kHeapObjectTag));
-  return Store(MachineRepresentation::kTagged, context, offset, value);
-}
-
 Node* InterpreterAssembler::LoadTypeFeedbackVector() {
   Node* function = LoadRegister(Register::function_closure());
   Node* literals = LoadObjectField(function, JSFunction::kLiteralsOffset);
   Node* vector =
       LoadObjectField(literals, LiteralsArray::kFeedbackVectorOffset);
   return vector;
 }
 
 void InterpreterAssembler::CallPrologue() {
   StoreRegister(SmiTag(BytecodeOffset()), Register::bytecode_offset());
@@ skipping 860 matching lines @@
     Goto(&loop);
   }
   Bind(&done_loop);
 
   return array;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8