yosys/tests/xilinx/macc.ys

read_verilog macc.v
design -save read

proc
hierarchy -top macc
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -seq 10 -show-inputs -show-outputs miter
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd macc # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
select -assert-count 1 t:FDRE
select -assert-count 1 t:DSP48E1
select -assert-none t:BUFG t:FDRE t:DSP48E1 %% t:* %D

design -load read
proc
hierarchy -top macc2
#equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx ### TODO
equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -seq 10 -show-inputs -show-outputs miter
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd macc2 # Constrain all select calls below inside the top module
select -assert-count 1 t:BUFG
select -assert-count 1 t:DSP48E1
select -assert-count 1 t:FDRE
select -assert-count 1 t:LUT2
select -assert-count 41 t:LUT3
select -assert-none t:BUFG t:DSP48E1 t:FDRE t:LUT2 t:LUT3 %% t:* %D