read_verilog ../common/latches.v design -save read hierarchy -top latchp proc # Can't run any sort of equivalence check because latches are blown to LUTs synth_ecp5 cd latchp # Constrain all select calls below inside the top module select -assert-count 1 t:LUT4 select -assert-none t:LUT4 %% t:* %D design -load read hierarchy -top latchn proc # Can't run any sort of equivalence check because latches are blown to LUTs synth_ecp5 cd latchn # Constrain all select calls below inside the top module select -assert-count 1 t:LUT4 select -assert-none t:LUT4 %% t:* %D design -load read hierarchy -top latchsr proc # Can't run any sort of equivalence check because latches are blown to LUTs synth_ecp5 cd latchsr # Constrain all select calls below inside the top module select -assert-count 2 t:LUT4 select -assert-count 1 t:PFUMX select -assert-none t:LUT4 t:PFUMX %% t:* %D