[Interpreter] Add support for loading from / storing to outer context variables.

src/compiler/raw-machine-assembler.h

 // Copyright 2014 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_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
 #include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 108 matching lines @@
   }
 
   // Memory Operations.
   Node* Load(MachineType rep, Node* base) {
     return Load(rep, base, IntPtrConstant(0));
   }
   Node* Load(MachineType rep, Node* base, Node* index) {
     return AddNode(machine()->Load(rep), base, index, graph()->start(),
                    graph()->start());
   }
-  Node* Store(MachineType rep, Node* base, Node* value) {
+  Node* Store(StoreRepresentation rep, Node* base, Node* value) {
     return Store(rep, base, IntPtrConstant(0), value);
   }
-  Node* Store(MachineType rep, Node* base, Node* index, Node* value) {
-    return AddNode(machine()->Store(StoreRepresentation(rep, kNoWriteBarrier)),
-                   base, index, value, graph()->start(), graph()->start());
+  Node* Store(StoreRepresentation rep, Node* base, Node* index, Node* value) {
+    return AddNode(machine()->Store(rep), base, index, value, graph()->start(),
+                   graph()->start());
   }
 
   // Arithmetic Operations.
   Node* WordAnd(Node* a, Node* b) {
     return AddNode(machine()->WordAnd(), a, b);
   }
   Node* WordOr(Node* a, Node* b) { return AddNode(machine()->WordOr(), a, b); }
   Node* WordXor(Node* a, Node* b) {
     return AddNode(machine()->WordXor(), a, b);
   }
@@ skipping 334 matching lines @@
   Node* LoadStackPointer() { return AddNode(machine()->LoadStackPointer()); }
   Node* LoadFramePointer() { return AddNode(machine()->LoadFramePointer()); }
 
   // Parameters.
   Node* Parameter(size_t index);
 
   // Pointer utilities.
   Node* LoadFromPointer(void* address, MachineType rep, int32_t offset = 0) {
     return Load(rep, PointerConstant(address), Int32Constant(offset));
   }
-  Node* StoreToPointer(void* address, MachineType rep, Node* node) {
+  Node* StoreToPointer(void* address, StoreRepresentation rep, Node* node) {
     return Store(rep, PointerConstant(address), node);
   }
   Node* StringConstant(const char* string) {
     return HeapConstant(isolate()->factory()->InternalizeUtf8String(string));
   }
 
   // Call a given call descriptor and the given arguments.
   Node* CallN(CallDescriptor* desc, Node* function, Node** args);
   // Call a given call descriptor and the given arguments and frame-state.
   Node* CallNWithFrameState(CallDescriptor* desc, Node* function, Node** args,
@@ skipping 88 matching lines @@
   BasicBlock* current_block_;
 
   DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_