testsuite/synth: add memmux04 test.

1 files changed, 23 insertions, 0 deletions

diff --git a/testsuite/synth/memmux01/memmux04.vhdl b/testsuite/synth/memmux01/memmux04.vhdl
new file mode 100644
index 000000000..04fed7d62
--- /dev/null
+++ b/testsuite/synth/memmux01/memmux04.vhdl
@@ -0,0 +1,23 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity memmux04 is
+  port (ad : std_logic_vector (1 downto 0);
+        val : std_logic;
+        dat : std_logic_vector (3 downto 0);
+        res : out std_logic_vector (3 downto 0));
+end memmux04;
+
+architecture behav of memmux04 is
+begin
+  process (ad, val)
+    variable hi, lo : natural;
+    variable t : std_logic_vector(3 downto 0);
+  begin
+    lo := to_integer(unsigned(ad));
+    t := dat;
+    t (lo) := val;
+    res <= t;
+  end process;
+end behav;