dbdiff -system OASIS \
	-design cdn_ghs_phy_top_NS.oas cdn_ghs_phy_top_NS \
	-refdesign cdn_ghs_phy_top_NS.ref.oas cdn_ghs_phy_top_NS \
	-write_xor_rules rules_diff.xor \
	-turbo

calibre -drc -hier -turbo rules_diff.xor >& xor.log