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authorPepijn de Vos <pepijndevos@gmail.com>2019-10-28 15:18:01 +0100
committerPepijn de Vos <pepijndevos@gmail.com>2019-10-28 15:18:01 +0100
commit903f9973913371452005eb173ac50fec1d5d1447 (patch)
treeb160b35c7a1048dc5d1ef2f63a6159f5aef6fe1f /tests
parent9517525224c7bc4b8ac7d093066485888a337b76 (diff)
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add tristate buffer and test
Diffstat (limited to 'tests')
-rw-r--r--tests/arch/gowin/tribuf.ys13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/arch/gowin/tribuf.ys b/tests/arch/gowin/tribuf.ys
new file mode 100644
index 000000000..5855b9d97
--- /dev/null
+++ b/tests/arch/gowin/tribuf.ys
@@ -0,0 +1,13 @@
+read_verilog ../common/tribuf.v
+hierarchy -top tristate
+proc
+tribuf
+flatten
+synth
+equiv_opt -assert -map +/gowin/cells_sim.v -map +/simcells.v synth_gowin # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd tristate # Constrain all select calls below inside the top module
+#Internal cell type used. Need support it.
+select -assert-count 1 t:TBUF
+select -assert-count 2 t:IBUF
+select -assert-none t:TBUF t:IBUF %% t:* %D