3929   Register string_length = r3;  in EmitFastOneByteArrayJoin()  local
3962   __ mov(string_length, Operand::Zero());  in EmitFastOneByteArrayJoin()
3985   __ add(string_length, string_length, Operand(scratch), SetCC);  in EmitFastOneByteArrayJoin()
4014   __ sub(string_length, string_length, Operand(scratch));  in EmitFastOneByteArrayJoin()
4022   __ add(string_length, string_length, Operand(scratch), SetCC);  in EmitFastOneByteArrayJoin()
4024   __ SmiUntag(string_length);  in EmitFastOneByteArrayJoin()
4037   __ AllocateOneByteString(result, string_length, scratch,  in EmitFastOneByteArrayJoin()
4066   __ ldr(string_length, FieldMemOperand(string, String::kLengthOffset));  in EmitFastOneByteArrayJoin()
4067   __ SmiUntag(string_length);  in EmitFastOneByteArrayJoin()
4071   __ CopyBytes(string, result_pos, string_length, scratch);  in EmitFastOneByteArrayJoin()
4098   __ ldr(string_length, FieldMemOperand(string, String::kLengthOffset));  in EmitFastOneByteArrayJoin()
4099   __ SmiUntag(string_length);  in EmitFastOneByteArrayJoin()
4103   __ CopyBytes(string, result_pos, string_length, scratch);  in EmitFastOneByteArrayJoin()
4119   __ ldr(string_length, FieldMemOperand(separator, String::kLengthOffset));  in EmitFastOneByteArrayJoin()
4120   __ SmiUntag(string_length);  in EmitFastOneByteArrayJoin()
4124   __ CopyBytes(string, result_pos, string_length, scratch);  in EmitFastOneByteArrayJoin()
4128   __ ldr(string_length, FieldMemOperand(string, String::kLengthOffset));  in EmitFastOneByteArrayJoin()
4129   __ SmiUntag(string_length);  in EmitFastOneByteArrayJoin()
4133   __ CopyBytes(string, result_pos, string_length, scratch);  in EmitFastOneByteArrayJoin()