3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-12 04:03:45 +00:00
yosys/tests/efinix/latches.ys
SergeyDegtyar 1070f2e90b Add new tests for Efinix architecture.
Problems/questions:
	- fsm.ys. equiv_opt -assert failed because of unproven cells;
	- latches.ys,tribuf.ys - internal cells present;
	- memory.ys - sat called with -verify and proof did fail.
2019-09-23 15:51:41 +03:00

21 lines
606 B
Plaintext

read_verilog latches.v
design -save read
proc
async2sync # converts latches to a 'sync' variant clocked by a 'super'-clock
flatten
synth_efinix
equiv_opt -assert -map +/efinix/cells_sim.v synth_efinix # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
design -load read
synth_efinix
flatten
cd top
#Internall cell type $_DLATCH_P_. Should be realized by using LUTs.
#The same result by using just synth_efinix.
select -assert-count 3 t:$_DLATCH_P_
select -assert-count 3 t:EFX_LUT4
select -assert-none t:$_DLATCH_P_ t:EFX_LUT4 %% t:* %D