[interpreter] Reduce move operations for wide register support.

src/interpreter/bytecode-array-builder.h

 // 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.
 
 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include "src/ast/ast.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/interpreter/constant-array-builder.h"
@@ skipping 263 matching lines @@
   static bool FitsInIdx8Operand(int value);
   static bool FitsInIdx8Operand(size_t value);
   static bool FitsInImm8Operand(int value);
   static bool FitsInIdx16Operand(int value);
   static bool FitsInIdx16Operand(size_t value);
   static bool FitsInReg8Operand(Register value);
   static bool FitsInReg8OperandUntranslated(Register value);
   static bool FitsInReg16Operand(Register value);
   static bool FitsInReg16OperandUntranslated(Register value);
 
-  // RegisterMover interface methods.
+  // RegisterMover interface.
   void MoveRegisterUntranslated(Register from, Register to) override;
-  bool RegisterOperandIsMovable(Bytecode bytecode, int operand_index) override;
 
   static Bytecode GetJumpWithConstantOperand(Bytecode jump_smi8_operand);
   static Bytecode GetJumpWithConstantWideOperand(Bytecode jump_smi8_operand);
   static Bytecode GetJumpWithToBoolean(Bytecode jump_smi8_operand);
 
   template <size_t N>
   INLINE(void Output(Bytecode bytecode, uint32_t(&operands)[N]));
   void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1,
               uint32_t operand2, uint32_t operand3);
   void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1,
@@ skipping 110 matching lines @@
   size_t offset_;
 
   friend class BytecodeArrayBuilder;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_