[Interpreter] Add wide context slot load / store operations.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "test/unittests/test-utils.h"
 
@@ skipping 51 matching lines @@
   Handle<String> name = factory->NewStringFromStaticChars("var_name");
   builder.LoadGlobal(name, 1, LanguageMode::SLOPPY,
                      TypeofMode::NOT_INSIDE_TYPEOF)
       .LoadGlobal(name, 1, LanguageMode::STRICT, TypeofMode::NOT_INSIDE_TYPEOF)
       .LoadGlobal(name, 1, LanguageMode::SLOPPY, TypeofMode::INSIDE_TYPEOF)
       .LoadGlobal(name, 1, LanguageMode::STRICT, TypeofMode::INSIDE_TYPEOF)
       .StoreGlobal(name, 1, LanguageMode::SLOPPY)
       .StoreGlobal(name, 1, LanguageMode::STRICT);
 
   // Emit context operations.
-  builder.PushContext(reg);
-  builder.PopContext(reg);
-  builder.LoadContextSlot(reg, 1);
-  builder.StoreContextSlot(reg, 1);
+  builder.PushContext(reg)
+      .PopContext(reg)
+      .LoadContextSlot(reg, 1)
+      .StoreContextSlot(reg, 1);
 
   // Emit load / store property operations.
   builder.LoadNamedProperty(reg, name, 0, LanguageMode::SLOPPY)
       .LoadKeyedProperty(reg, 0, LanguageMode::SLOPPY)
       .StoreNamedProperty(reg, name, 0, LanguageMode::SLOPPY)
       .StoreKeyedProperty(reg, reg, 0, LanguageMode::SLOPPY)
       .LoadNamedProperty(reg, name, 0, LanguageMode::STRICT)
       .LoadKeyedProperty(reg, 0, LanguageMode::STRICT)
       .StoreNamedProperty(reg, name, 0, LanguageMode::STRICT)
       .StoreKeyedProperty(reg, reg, 0, LanguageMode::STRICT);
@@ skipping 148 matching lines @@
   // Emit wide load / store property operations.
   builder.LoadNamedProperty(reg, wide_name, 0, LanguageMode::SLOPPY)
       .LoadKeyedProperty(reg, 2056, LanguageMode::SLOPPY)
       .StoreNamedProperty(reg, wide_name, 0, LanguageMode::SLOPPY)
       .StoreKeyedProperty(reg, reg, 2056, LanguageMode::SLOPPY)
       .LoadNamedProperty(reg, wide_name, 0, LanguageMode::STRICT)
       .LoadKeyedProperty(reg, 2056, LanguageMode::STRICT)
       .StoreNamedProperty(reg, wide_name, 0, LanguageMode::STRICT)
       .StoreKeyedProperty(reg, reg, 2056, LanguageMode::STRICT);
 
+  // Emit wide context operations.
+  builder.LoadContextSlot(reg, 1024)
+      .StoreContextSlot(reg, 1024);
+
   // Emit wide load / store lookup slots.
   builder.LoadLookupSlot(wide_name, TypeofMode::NOT_INSIDE_TYPEOF)
       .LoadLookupSlot(wide_name, TypeofMode::INSIDE_TYPEOF)
       .StoreLookupSlot(wide_name, LanguageMode::SLOPPY)
       .StoreLookupSlot(wide_name, LanguageMode::STRICT);
 
   // CreateClosureWide
   Handle<SharedFunctionInfo> shared_info2 = factory->NewSharedFunctionInfo(
       factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(),
       false);
@@ skipping 450 matching lines @@
   }
   CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn);
   iterator.Advance();
   CHECK(iterator.done());
 }
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8