1 files changed, 33 insertions, 0 deletions
diff --git a/testsuite/gna/issue563/counter.vhdl b/testsuite/gna/issue563/counter.vhdl
new file mode 100644
index 000000000..63c428f96
--- /dev/null
+++ b/testsuite/gna/issue563/counter.vhdl
@@ -0,0 +1,33 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity counter is
+  port (
+    key0: in std_logic;
+    key3: in std_logic;
+    counter_out: out std_logic_vector(3 downto 0)
+  );
+end counter;
+
+architecture arch_counter of counter is
+  signal c: std_logic_vector(0 to 3) := (others => '0');
+begin
+  process(key0, key3)
+  begin
+    if (rising_edge(key0)) then
+      c <= std_logic_vector(unsigned(c) + 1);
+      if (unsigned(c) = 9) then
+        c <= "0000";
+      end if;
+    end if;
+    if (rising_edge(key3)) then
+      c <= std_logic_vector(unsigned(c) - 1);
+      if (unsigned(c) = "1111") then
+        c <= "1000";
+      end if;
+    end if;
+  end process;
+
+  counter_out <= c;
+end arch_counter ; -- arch_counter