testsuite/synth: add testcases for previous commit.

1 files changed, 20 insertions, 0 deletions

diff --git a/testsuite/synth/dff03/dff04.vhdl b/testsuite/synth/dff03/dff04.vhdl
new file mode 100644
index 000000000..58d1f9b32
--- /dev/null
+++ b/testsuite/synth/dff03/dff04.vhdl
@@ -0,0 +1,20 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity dff04 is
+  port (q : out std_logic;
+        d : std_logic;
+        en1 : std_logic;
+        en2 : std_logic;
+        clk : std_logic);
+end dff04;
+
+architecture behav of dff04 is
+begin
+  process (clk) is
+  begin
+    if en2 = '1' and (rising_edge (clk) and en1 = '1') then
+      q <= d;
+    end if;
+  end process;
+end behav;