[Interpreter] Optimize the Register Optimizer.

src/interpreter/bytecode-operands.h

 // Copyright 2016 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_OPERANDS_H_
 #define V8_INTERPRETER_BYTECODE_OPERANDS_H_
 
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 #define INVALID_OPERAND_TYPE_LIST(V) V(None, OperandTypeInfo::kNone)
 
 #define REGISTER_INPUT_OPERAND_TYPE_LIST(V)        \
+  V(Reg, OperandTypeInfo::kScalableSignedByte)     \
   V(RegList, OperandTypeInfo::kScalableSignedByte) \
-  V(Reg, OperandTypeInfo::kScalableSignedByte)     \
   V(RegPair, OperandTypeInfo::kScalableSignedByte)
 
 #define REGISTER_OUTPUT_OPERAND_TYPE_LIST(V)          \
   V(RegOut, OperandTypeInfo::kScalableSignedByte)     \
   V(RegOutPair, OperandTypeInfo::kScalableSignedByte) \
   V(RegOutTriple, OperandTypeInfo::kScalableSignedByte)
 
-#define SCALAR_OPERAND_TYPE_LIST(V)                   \
+#define UNSIGNED_SCALAR_OPERAND_TYPE_LIST(V)          \
   V(Flag8, OperandTypeInfo::kFixedUnsignedByte)       \
   V(IntrinsicId, OperandTypeInfo::kFixedUnsignedByte) \
   V(Idx, OperandTypeInfo::kScalableUnsignedByte)      \
   V(UImm, OperandTypeInfo::kScalableUnsignedByte)     \
-  V(Imm, OperandTypeInfo::kScalableSignedByte)        \
   V(RegCount, OperandTypeInfo::kScalableUnsignedByte) \
   V(RuntimeId, OperandTypeInfo::kFixedUnsignedShort)
 
+#define SIGNED_SCALAR_OPERAND_TYPE_LIST(V) \
+  V(Imm, OperandTypeInfo::kScalableSignedByte)
+
 #define REGISTER_OPERAND_TYPE_LIST(V) \
   REGISTER_INPUT_OPERAND_TYPE_LIST(V) \
   REGISTER_OUTPUT_OPERAND_TYPE_LIST(V)
 
 #define NON_REGISTER_OPERAND_TYPE_LIST(V) \
   INVALID_OPERAND_TYPE_LIST(V)            \
-  SCALAR_OPERAND_TYPE_LIST(V)
+  UNSIGNED_SCALAR_OPERAND_TYPE_LIST(V)    \
+  SIGNED_SCALAR_OPERAND_TYPE_LIST(V)
 
 // The list of operand types used by bytecodes.
 #define OPERAND_TYPE_LIST(V)        \
   NON_REGISTER_OPERAND_TYPE_LIST(V) \
   REGISTER_OPERAND_TYPE_LIST(V)
 
 // Enumeration of scaling factors applicable to scalable operands. Code
 // relies on being able to cast values to integer scaling values.
 #define OPERAND_SCALE_LIST(V) \
   V(Single, 1)                \
@@ skipping 68 matching lines @@
                                            const OperandScale& operand_scale);
 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
                                            const OperandSize& operand_size);
 std::ostream& operator<<(std::ostream& os, const OperandType& operand_type);
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_OPERANDS_H_