A64: Synchronize with r15358.

src/a64/macro-assembler-a64.cc

 // Copyright 2013 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2140 matching lines @@
       kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask;
   static const int kFlatAsciiStringTag = ASCII_STRING_TYPE;
   And(scratch1, first, kFlatAsciiStringMask);
   And(scratch2, second, kFlatAsciiStringMask);
   Cmp(scratch1, kFlatAsciiStringTag);
   Ccmp(scratch2, kFlatAsciiStringTag, NoFlag, eq);
   B(ne, failure);
 }
 
 
+void MacroAssembler::JumpIfNotUniqueName(Register type,
+                                         Label* not_unique_name) {
+  STATIC_ASSERT(((SYMBOL_TYPE - 1) & kIsInternalizedMask) == kInternalizedTag);
+  // if ((type < kInternalizedTag) || (type > SYMBOL_TYPE)) {
+  //   goto not_unique_name;
+  // }
+  Cmp(type, kInternalizedTag);
+  Ccmp(type, SYMBOL_TYPE, NVFlag, ge);
+  B(gt, not_unique_name);
+}
+
+
 void MacroAssembler::GenerateNumberUnaryOperation(Token::Value op,
                                                   InvokeFlag flag) {
   Runtime::FunctionId fid;
   switch (op) {
     case Token::ADD:
       // A unary add on a number (or SMI) does nothing.
       if (flag == JUMP_FUNCTION) {
         // Emulate a tail call.
         Ret();
       }
@@ skipping 2493 matching lines @@
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64