picorv32/scripts/smt2-bmc/async.ys

read_verilog main.v
read_verilog ../../picorv32.v
rename main main_a
chparam -set ENABLE_REGS_DUALPORT 0 \
        -set TWO_STAGE_SHIFT      0 \
	-set TWO_CYCLE_COMPARE    0 \
	-set TWO_CYCLE_ALU        0 main_a
hierarchy -top main_a
proc
opt
memory -nordff -nomap
flatten
opt
write_smt2 -bv -mem -regs async_a.smt2
design -reset

read_verilog main.v
read_verilog ../../picorv32.v
rename main main_b
chparam -set ENABLE_REGS_DUALPORT 1 \
        -set TWO_STAGE_SHIFT      1 \
	-set TWO_CYCLE_COMPARE    1 \
	-set TWO_CYCLE_ALU        1 main_b
hierarchy -top main_b
proc
opt
memory -nordff -nomap
flatten
opt
write_smt2 -bv -mem -regs async_b.smt2
design -reset