[Interpreter] Add support for jumps using constants with wide operands.

src/interpreter/bytecodes.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_BYTECODES_H_
 #define V8_INTERPRETER_BYTECODES_H_
 
 #include <iosfwd>
 
 // Clients of this interface shouldn't depend on lots of interpreter internals.
@@ skipping 168 matching lines @@
   V(CreateClosure, OperandType::kIdx8, OperandType::kImm8)                     \
   V(CreateClosureWide, OperandType::kIdx16, OperandType::kImm8)                \
                                                                                \
   /* Arguments allocation */                                                   \
   V(CreateMappedArguments, OperandType::kNone)                                 \
   V(CreateUnmappedArguments, OperandType::kNone)                               \
                                                                                \
   /* Control Flow */                                                           \
   V(Jump, OperandType::kImm8)                                                  \
   V(JumpConstant, OperandType::kIdx8)                                          \
+  V(JumpConstantWide, OperandType::kIdx16)                                     \
   V(JumpIfTrue, OperandType::kImm8)                                            \
   V(JumpIfTrueConstant, OperandType::kIdx8)                                    \
+  V(JumpIfTrueConstantWide, OperandType::kIdx16)                               \
   V(JumpIfFalse, OperandType::kImm8)                                           \
   V(JumpIfFalseConstant, OperandType::kIdx8)                                   \
+  V(JumpIfFalseConstantWide, OperandType::kIdx16)                              \
   V(JumpIfToBooleanTrue, OperandType::kImm8)                                   \
   V(JumpIfToBooleanTrueConstant, OperandType::kIdx8)                           \
+  V(JumpIfToBooleanTrueConstantWide, OperandType::kIdx16)                      \
   V(JumpIfToBooleanFalse, OperandType::kImm8)                                  \
   V(JumpIfToBooleanFalseConstant, OperandType::kIdx8)                          \
+  V(JumpIfToBooleanFalseConstantWide, OperandType::kIdx16)                     \
   V(JumpIfNull, OperandType::kImm8)                                            \
   V(JumpIfNullConstant, OperandType::kIdx8)                                    \
+  V(JumpIfNullConstantWide, OperandType::kIdx16)                               \
   V(JumpIfUndefined, OperandType::kImm8)                                       \
   V(JumpIfUndefinedConstant, OperandType::kIdx8)                               \
+  V(JumpIfUndefinedConstantWide, OperandType::kIdx16)                          \
                                                                                \
   /* Complex flow control For..in */                                           \
   V(ForInPrepare, OperandType::kReg8, OperandType::kReg8, OperandType::kReg8)  \
   V(ForInDone, OperandType::kReg8, OperandType::kReg8)                         \
   V(ForInNext, OperandType::kReg8, OperandType::kReg8, OperandType::kReg8,     \
     OperandType::kReg8)                                                        \
   V(ForInStep, OperandType::kReg8)                                             \
                                                                                \
   /* Non-local flow control */                                                 \
   V(Throw, OperandType::kNone)                                                 \
@@ skipping 136 matching lines @@
   static int Size(Bytecode bytecode);
 
   // Returns the size of |operand|.
   static OperandSize SizeOfOperand(OperandType operand);
 
   // Return true if the bytecode is a conditional jump taking
   // an immediate byte operand (OperandType::kImm8).
   static bool IsConditionalJumpImmediate(Bytecode bytecode);
 
   // Return true if the bytecode is a conditional jump taking
-  // a constant pool entry (OperandType::kIdx).
+  // a constant pool entry (OperandType::kIdx8).
   static bool IsConditionalJumpConstant(Bytecode bytecode);
 
   // Return true if the bytecode is a conditional jump taking
+  // a constant pool entry (OperandType::kIdx16).
+  static bool IsConditionalJumpConstantWide(Bytecode bytecode);
+
+  // Return true if the bytecode is a conditional jump taking
   // any kind of operand.
   static bool IsConditionalJump(Bytecode bytecode);
 
   // Return true if the bytecode is a jump or a conditional jump taking
   // an immediate byte operand (OperandType::kImm8).
   static bool IsJumpImmediate(Bytecode bytecode);
 
   // Return true if the bytecode is a jump or conditional jump taking a
-  // constant pool entry (OperandType::kIdx).
+  // constant pool entry (OperandType::kIdx8).
   static bool IsJumpConstant(Bytecode bytecode);
 
+  // Return true if the bytecode is a jump or conditional jump taking a
+  // constant pool entry (OperandType::kIdx16).
+  static bool IsJumpConstantWide(Bytecode bytecode);
+
   // Return true if the bytecode is a jump or conditional jump taking
   // any kind of operand.
   static bool IsJump(Bytecode bytecode);
 
   // Return true if the bytecode is a conditional jump, a jump, or a return.
   static bool IsJumpOrReturn(Bytecode bytecode);
 
   // Decode a single bytecode and operands to |os|.
   static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start,
                               int number_of_parameters);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Bytecodes);
 };
 
 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode);
 std::ostream& operator<<(std::ostream& os, const OperandType& operand_type);
 std::ostream& operator<<(std::ostream& os, const OperandSize& operand_type);
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODES_H_