[Interpreter] Make ForInPrepare take a kRegTriple8 and ForInNext take kRegPair8 for cache state

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.
 // Do not include anything from src/interpreter here!
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 // The list of operand types used by bytecodes.
-#define OPERAND_TYPE_LIST(V)       \
-                                   \
-  /* None operand. */              \
-  V(None, OperandSize::kNone)      \
-                                   \
-  /* Byte operands. */             \
-  V(Count8, OperandSize::kByte)    \
-  V(Imm8, OperandSize::kByte)      \
-  V(Idx8, OperandSize::kByte)      \
-  V(MaybeReg8, OperandSize::kByte) \
-  V(Reg8, OperandSize::kByte)      \
-  V(RegPair8, OperandSize::kByte)  \
-                                   \
-  /* Short operands. */            \
-  V(Count16, OperandSize::kShort)  \
-  V(Idx16, OperandSize::kShort)    \
+#define OPERAND_TYPE_LIST(V)        \
+                                    \
+  /* None operand. */               \
+  V(None, OperandSize::kNone)       \
+                                    \
+  /* Byte operands. */              \
+  V(Count8, OperandSize::kByte)     \
+  V(Imm8, OperandSize::kByte)       \
+  V(Idx8, OperandSize::kByte)       \
+  V(MaybeReg8, OperandSize::kByte)  \
+  V(Reg8, OperandSize::kByte)       \
+  V(RegPair8, OperandSize::kByte)   \
+  V(RegTriple8, OperandSize::kByte) \
+                                    \
+  /* Short operands. */             \
+  V(Count16, OperandSize::kShort)   \
+  V(Idx16, OperandSize::kShort)     \
   V(Reg16, OperandSize::kShort)
 
 // The list of bytecodes which are interpreted by the interpreter.
 #define BYTECODE_LIST(V)                                                       \
                                                                                \
   /* Loading the accumulator */                                                \
   V(LdaZero, OperandType::kNone)                                               \
   V(LdaSmi8, OperandType::kImm8)                                               \
   V(LdaUndefined, OperandType::kNone)                                          \
   V(LdaNull, OperandType::kNone)                                               \
@@ skipping 167 matching lines @@
   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(ForInPrepare, OperandType::kRegTriple8)                                    \
   V(ForInDone, OperandType::kReg8, OperandType::kReg8)                         \
-  V(ForInNext, OperandType::kReg8, OperandType::kReg8, OperandType::kReg8,     \
-    OperandType::kReg8)                                                        \
+  V(ForInNext, OperandType::kReg8, OperandType::kReg8, OperandType::kRegPair8) \
   V(ForInStep, OperandType::kReg8)                                             \
                                                                                \
   /* Non-local flow control */                                                 \
   V(Throw, OperandType::kNone)                                                 \
   V(Return, OperandType::kNone)
 
 
 // Enumeration of the size classes of operand types used by bytecodes.
 enum class OperandSize : uint8_t {
   kNone = 0,
@@ skipping 174 matching lines @@
 
 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_