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-rw-r--r--testsuite/synth/dff03/dff07.vhdl23
-rw-r--r--testsuite/synth/dff03/tb_dff07.vhdl63
-rwxr-xr-xtestsuite/synth/dff03/testsuite.sh2
3 files changed, 87 insertions, 1 deletions
diff --git a/testsuite/synth/dff03/dff07.vhdl b/testsuite/synth/dff03/dff07.vhdl
new file mode 100644
index 000000000..428b527f4
--- /dev/null
+++ b/testsuite/synth/dff03/dff07.vhdl
@@ -0,0 +1,23 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity dff07 is
+ port (q1, q2 : out std_logic;
+ d : std_logic;
+ en1 : std_logic;
+ en2 : std_logic;
+ clk : std_logic);
+end dff07;
+
+architecture behav of dff07 is
+begin
+ process (clk) is
+ begin
+ if rising_edge (clk) and en1 = '1' then
+ if en2 = '1' then
+ q1 <= d;
+ q2 <= d;
+ end if;
+ end if;
+ end process;
+end behav;
diff --git a/testsuite/synth/dff03/tb_dff07.vhdl b/testsuite/synth/dff03/tb_dff07.vhdl
new file mode 100644
index 000000000..cbed9caa9
--- /dev/null
+++ b/testsuite/synth/dff03/tb_dff07.vhdl
@@ -0,0 +1,63 @@
+entity tb_dff07 is
+end tb_dff07;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_dff07 is
+ signal clk : std_logic;
+ signal en1 : std_logic;
+ signal en2 : std_logic;
+ signal din : std_logic;
+ signal dout : std_logic;
+begin
+ dut: entity work.dff07
+ port map (
+ q1 => dout,
+ d => din,
+ en1 => en1,
+ en2 => en2,
+ clk => clk);
+
+ process
+ procedure pulse is
+ begin
+ clk <= '0';
+ wait for 1 ns;
+ clk <= '1';
+ wait for 1 ns;
+ end pulse;
+ begin
+ en1 <= '1';
+ en2 <= '1';
+ din <= '0';
+ pulse;
+ assert dout = '0' severity failure;
+
+ din <= '1';
+ pulse;
+ assert dout = '1' severity failure;
+
+ en1 <= '0';
+ din <= '0';
+ pulse;
+ assert dout = '1' severity failure;
+
+ en1 <= '1';
+ din <= '0';
+ pulse;
+ assert dout = '0' severity failure;
+
+ en2 <= '0';
+ din <= '1';
+ pulse;
+ assert dout = '0' severity failure;
+
+ en2 <= '1';
+ din <= '1';
+ pulse;
+ assert dout = '1' severity failure;
+
+ wait;
+ end process;
+end behav;
diff --git a/testsuite/synth/dff03/testsuite.sh b/testsuite/synth/dff03/testsuite.sh
index f0c94f7f9..5700e4cef 100755
--- a/testsuite/synth/dff03/testsuite.sh
+++ b/testsuite/synth/dff03/testsuite.sh
@@ -2,7 +2,7 @@
. ../../testenv.sh
-for t in dff01 dff02 dff03 dff04 dff05 dff06; do
+for t in dff01 dff02 dff03 dff04 dff05 dff06 dff07; do
analyze $t.vhdl tb_$t.vhdl
elab_simulate tb_$t
clean