4 Commits

Author	SHA1	Message	Date
tangxifan	b57a90a6ca	add SDC hierarchy writer for grids and now support flatten hierarchy in grid timing constraints	2020-06-11 19:31:05 -06:00
tangxifan	8726c618eb	add time unit support on SDC generator. Now users can define time_unit thru cmd-line options	2020-06-11 19:31:03 -06:00
tangxifan	329b0a9cf1	add options to enable SDC constraints on zero-delay paths	2020-03-25 15:55:30 -06:00
tangxifan	fdcb982903	adapt pnr sdc grid writer	2020-02-27 21:06:33 -07:00