[interpreter] Add a fast path for dynamic local load

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 <cstdint>
 #include <iosfwd>
 #include <string>
@@ skipping 97 matching lines @@
   V(PopContext, AccumulatorUse::kNone, OperandType::kReg)                      \
   V(LdaContextSlot, AccumulatorUse::kWrite, OperandType::kReg,                 \
     OperandType::kIdx, OperandType::kUImm)                                     \
   V(LdrContextSlot, AccumulatorUse::kNone, OperandType::kReg,                  \
     OperandType::kIdx, OperandType::kUImm, OperandType::kRegOut)               \
   V(StaContextSlot, AccumulatorUse::kRead, OperandType::kReg,                  \
     OperandType::kIdx, OperandType::kUImm)                                     \
                                                                                \
   /* Load-Store lookup slots */                                                \
   V(LdaLookupSlot, AccumulatorUse::kWrite, OperandType::kIdx)                  \
+  V(LdaLookupContextSlot, AccumulatorUse::kWrite, OperandType::kIdx,           \
+    OperandType::kIdx, OperandType::kUImm)                                     \
   V(LdaLookupSlotInsideTypeof, AccumulatorUse::kWrite, OperandType::kIdx)      \
+  V(LdaLookupContextSlotInsideTypeof, AccumulatorUse::kWrite,                  \
+    OperandType::kIdx, OperandType::kIdx, OperandType::kUImm)                  \
   V(StaLookupSlotSloppy, AccumulatorUse::kReadWrite, OperandType::kIdx)        \
   V(StaLookupSlotStrict, AccumulatorUse::kReadWrite, OperandType::kIdx)        \
                                                                                \
   /* Register-accumulator transfers */                                         \
   V(Ldar, AccumulatorUse::kWrite, OperandType::kReg)                           \
   V(Star, AccumulatorUse::kRead, OperandType::kRegOut)                         \
                                                                                \
   /* Register-register transfers */                                            \
   V(Mov, AccumulatorUse::kNone, OperandType::kReg, OperandType::kRegOut)       \
                                                                                \
@@ skipping 465 matching lines @@
 std::ostream& operator<<(std::ostream& os, const AccumulatorUse& use);
 std::ostream& operator<<(std::ostream& os, const OperandScale& operand_scale);
 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_BYTECODES_H_