aboutsummaryrefslogtreecommitdiffstats
path: root/tests/arch/xilinx/bug1598.ys
diff options
context:
space:
mode:
authorN. Engelhardt <nak@symbioticeda.com>2020-01-03 12:28:48 +0100
committerN. Engelhardt <nak@symbioticeda.com>2020-01-03 12:28:48 +0100
commit341fd872b59e8f95aa14afd9f17225d2c03a4283 (patch)
tree21802e73ca767d124971d43d3f78d9f4cf7d62e2 /tests/arch/xilinx/bug1598.ys
parentc8bc1793a4e8230c29fca4a34862414e8ab8722b (diff)
parentf8d5920a7e61f78873b7bf49dd7e8f3a83f7adf3 (diff)
downloadyosys-341fd872b59e8f95aa14afd9f17225d2c03a4283.tar.gz
yosys-341fd872b59e8f95aa14afd9f17225d2c03a4283.tar.bz2
yosys-341fd872b59e8f95aa14afd9f17225d2c03a4283.zip
Merge branch 'master' of https://github.com/YosysHQ/yosys into abc_scratchpad_script
Diffstat (limited to 'tests/arch/xilinx/bug1598.ys')
-rw-r--r--tests/arch/xilinx/bug1598.ys16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/arch/xilinx/bug1598.ys b/tests/arch/xilinx/bug1598.ys
new file mode 100644
index 000000000..1175380b1
--- /dev/null
+++ b/tests/arch/xilinx/bug1598.ys
@@ -0,0 +1,16 @@
+read_verilog <<EOT
+module led_blink (
+ input clk,
+ output ledc
+ );
+
+ reg [6:0] led_counter = 0;
+ always @( posedge clk ) begin
+ led_counter <= led_counter + 1;
+ end
+ assign ledc = !led_counter[ 6:3 ];
+
+endmodule
+EOT
+proc
+equiv_opt -assert -map +/xilinx/cells_sim.v synth_xilinx -abc9