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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/shifter.v
parent7e8f7f4c59c96897159d32771d0c7179c5474281 (diff)
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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/shifter.v')
-rw-r--r--tests/efinix/shifter.v22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/efinix/shifter.v b/tests/efinix/shifter.v
new file mode 100644
index 000000000..c55632552
--- /dev/null
+++ b/tests/efinix/shifter.v
@@ -0,0 +1,22 @@
+module top (
+out,
+clk,
+in
+);
+ output [7:0] out;
+ input signed clk, in;
+ reg signed [7:0] out = 0;
+
+ always @(posedge clk)
+ begin
+`ifndef BUG
+ out <= out >> 1;
+ out[7] <= in;
+`else
+
+ out <= out << 1;
+ out[7] <= in;
+`endif
+ end
+
+endmodule