Rename A64 port to ARM64 port

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 197 matching lines @@
     } else {
       pos_ = pos + 1;
       ASSERT(is_linked());
     }
   }
 
   friend class Assembler;
   friend class Displacement;
   friend class RegExpMacroAssemblerIrregexp;
 
-#if V8_TARGET_ARCH_A64
-  // On A64, the Assembler keeps track of pointers to Labels to resolve branches
-  // to distant targets. Copying labels would confuse the Assembler.
+#if V8_TARGET_ARCH_ARM64
+  // On ARM64, the Assembler keeps track of pointers to Labels to resolve
+  // branches to distant targets. Copying labels would confuse the Assembler.
   DISALLOW_COPY_AND_ASSIGN(Label);  // NOLINT
 #endif
 };
 
 
 enum SaveFPRegsMode { kDontSaveFPRegs, kSaveFPRegs };
 
 
 // -----------------------------------------------------------------------------
 // Relocation information
@@ skipping 48 matching lines @@
     // Everything after runtime_entry (inclusive) is not GC'ed.
     RUNTIME_ENTRY,
     JS_RETURN,  // Marks start of the ExitJSFrame code.
     COMMENT,
     POSITION,  // See comment for kNoPosition above.
     STATEMENT_POSITION,  // See comment for kNoPosition above.
     DEBUG_BREAK_SLOT,  // Additional code inserted for debug break slot.
     EXTERNAL_REFERENCE,  // The address of an external C++ function.
     INTERNAL_REFERENCE,  // An address inside the same function.
 
-    // Marks constant and veneer pools. Only used on ARM and A64.
+    // Marks constant and veneer pools. Only used on ARM and ARM64.
     // They use a custom noncompact encoding.
     CONST_POOL,
     VENEER_POOL,
 
     // add more as needed
     // Pseudo-types
     NUMBER_OF_MODES,  // There are at most 15 modes with noncompact encoding.
     NONE32,  // never recorded 32-bit value
     NONE64,  // never recorded 64-bit value
     CODE_AGE_SEQUENCE,  // Not stored in RelocInfo array, used explictly by
@@ skipping 781 matching lines @@
 
  private:
   int32_t multiplier_;
   int32_t shift_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_