aboutsummaryrefslogtreecommitdiffstats
path: root/tests/efinix/latches.ys
diff options
context:
space:
mode:
authorSergeyDegtyar <sndegtyar@gmail.com>2019-09-23 15:51:41 +0300
committerSergeyDegtyar <sndegtyar@gmail.com>2019-09-23 15:51:41 +0300
commit1070f2e90b9ba37856932189ef09a0f2316d9a21 (patch)
treed99a86d4b9f9ba984a39f4760977fdaea29b5b5a /tests/efinix/latches.ys
parent7e8f7f4c59c96897159d32771d0c7179c5474281 (diff)
downloadyosys-1070f2e90b9ba37856932189ef09a0f2316d9a21.tar.gz
yosys-1070f2e90b9ba37856932189ef09a0f2316d9a21.tar.bz2
yosys-1070f2e90b9ba37856932189ef09a0f2316d9a21.zip
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.
Diffstat (limited to 'tests/efinix/latches.ys')
-rw-r--r--tests/efinix/latches.ys20
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/efinix/latches.ys b/tests/efinix/latches.ys
new file mode 100644
index 000000000..2867ec93e
--- /dev/null
+++ b/tests/efinix/latches.ys
@@ -0,0 +1,20 @@
+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