double-conversion/utils.h: Add support of Synopsys ARC64 architecture (#170)
double-conversion/utils.h: Add support of Synopsys ARC64 architecture (#170)

Signed-off-by: Veronika Kremneva <88554a439988ee6a1509ef61a158d3db955dd659@synopsys.com>
google/double-conversion,floitsch/double-conversion,google/double-conversion,floitsch/double-conversion,google/double-conversion