From: David Shah <dave@ds0.me>
Date: Fri, 20 Mar 2020 20:35:28 +0000 (+0000)
Subject: Add test for abc9+mince issue
X-Git-Tag: working-ls180~735^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fa77fb857b42b32f3d518da8a590c406ddc8eee9;p=yosys.git

Add test for abc9+mince issue

Signed-off-by: David Shah <dave@ds0.me>
---

diff --git a/tests/various/ice40_mince_abc9.ys b/tests/various/ice40_mince_abc9.ys
new file mode 100644
index 000000000..408e16f05
--- /dev/null
+++ b/tests/various/ice40_mince_abc9.ys
@@ -0,0 +1,17 @@
+read_verilog <<EOT
+
+module top(input clk, ce, input [2:0] a, b, output reg [2:0] q);
+
+	reg [2:0] aa, bb;
+
+	always @(posedge clk) begin
+		if (ce) begin
+			aa <= a;
+		end
+		bb <= b;
+		q <= aa + bb;
+	end
+endmodule
+EOT
+
+synth_ice40 -abc9 -dffe_min_ce_use 4