ARM64: Sign extension on MemOperand for keyed ops

src/arm64/lithium-codegen-arm64.h

 // Copyright 2013 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_ARM64_LITHIUM_CODEGEN_ARM64_H_
 #define V8_ARM64_LITHIUM_CODEGEN_ARM64_H_
 
 #include "arm64/lithium-arm64.h"
 
 #include "arm64/lithium-gap-resolver-arm64.h"
@@ skipping 211 matching lines @@
   void DeoptimizeIfBitClear(Register rt, int bit, LEnvironment* environment);
 
   MemOperand PrepareKeyedExternalArrayOperand(Register key,
                                               Register base,
                                               Register scratch,
                                               bool key_is_smi,
                                               bool key_is_constant,
                                               int constant_key,
                                               ElementsKind elements_kind,
                                               int additional_index);
-  void CalcKeyedArrayBaseRegister(Register base,
-                                  Register elements,
-                                  Register key,
-                                  bool key_is_tagged,
-                                  ElementsKind elements_kind);
+  MemOperand PrepareKeyedArrayOperand(Register base,
+                                      Register elements,
+                                      Register key,
+                                      bool key_is_tagged,
+                                      ElementsKind elements_kind,
+                                      Representation representation,
+                                      int additional_index);
 
   void RegisterEnvironmentForDeoptimization(LEnvironment* environment,
                                             Safepoint::DeoptMode mode);
 
   int GetStackSlotCount() const { return chunk()->spill_slot_count(); }
 
   void Abort(BailoutReason reason);
 
   void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
 
@@ skipping 214 matching lines @@
 
  protected:
   MacroAssembler* masm() const { return codegen_->masm(); }
 
   LCodeGen* codegen_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_LITHIUM_CODEGEN_ARM64_H_