Optimization         Synthesis
Constraints          Constraints             Editing
------               --------------          -------
clock                implement               delete
drive                map
fanin                operator
fanout               expand
input_maxload        maintain
output_load          preserve_boundary
timing               fsm
timing_path          expand
two_phase_clk        unroll
wire_load            unroll_limit
spf                  autoshare
sdf
delay_params
import_constraints


