Revert of Reland: Remove register index/code indirection

src/arm64/simulator-arm64.h

 // Copyright 2013 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_ARM64_SIMULATOR_ARM64_H_
 #define V8_ARM64_SIMULATOR_ARM64_H_
 
 #include <stdarg.h>
 #include <vector>
 
 #include "src/allocation.h"
 #include "src/arm64/assembler-arm64.h"
 #include "src/arm64/decoder-arm64.h"
 #include "src/arm64/disasm-arm64.h"
 #include "src/arm64/instrument-arm64.h"
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/utils.h"
 
+#define REGISTER_CODE_LIST(R)                                                  \
+R(0)  R(1)  R(2)  R(3)  R(4)  R(5)  R(6)  R(7)                                 \
+R(8)  R(9)  R(10) R(11) R(12) R(13) R(14) R(15)                                \
+R(16) R(17) R(18) R(19) R(20) R(21) R(22) R(23)                                \
+R(24) R(25) R(26) R(27) R(28) R(29) R(30) R(31)
+
 namespace v8 {
 namespace internal {
 
 #if !defined(USE_SIMULATOR)
 
 // Running without a simulator on a native ARM64 platform.
 // When running without a simulator we call the entry directly.
 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
   (entry(p0, p1, p2, p3, p4))
 
@@ skipping 872 matching lines @@
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 
 #endif  // !defined(USE_SIMULATOR)
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM64_SIMULATOR_ARM64_H_