@W: MT532 :"c:\seveninchtftlcd_wvga_16bit_interface_use\hdl\res_ctrl.vhd":99:2:99:3|Found signal identified as System clock which controls 62 sequential elements including CoreTFTahbMaster_0/RESCTRL/I_SWHWRES66M_2.  Using this clock, which has no specified timing constraint, can adversely impact design performance. 
