5 files changed, 105 insertions, 0 deletions
diff --git a/testsuite/synth/comp01/and3.vhdl b/testsuite/synth/comp01/and3.vhdl
new file mode 100644
index 000000000..be0a0c821
--- /dev/null
+++ b/testsuite/synth/comp01/and3.vhdl
@@ -0,0 +1,12 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity and3 is
+  port (a, b, c : std_logic;
+        o : out std_logic);
+end and3;
+
+architecture behav of and3 is
+begin
+  o <= a and b and c;
+end behav;
diff --git a/testsuite/synth/comp01/and6.vhdl b/testsuite/synth/comp01/and6.vhdl
new file mode 100644
index 000000000..2aadd5261
--- /dev/null
+++ b/testsuite/synth/comp01/and6.vhdl
@@ -0,0 +1,17 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity and6 is
+  port (i0, i1, i2, i3, i4, i5 : std_logic;
+        o : out std_logic);
+end and6;
+
+architecture behav of and6 is
+  signal t1, t2 : std_logic;
+begin
+  a1: entity work.and3
+    port map (i0, i1, i2, t1);
+  a2: entity work.and3
+    port map (i3, i4, i5, t2);
+  o <= t1 and t2;
+end behav;
diff --git a/testsuite/synth/comp01/and6comp.vhdl b/testsuite/synth/comp01/and6comp.vhdl
new file mode 100644
index 000000000..8cdb8f821
--- /dev/null
+++ b/testsuite/synth/comp01/and6comp.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity and6comp is
+  port (i0, i1, i2, i3, i4, i5 : std_logic;
+        o : out std_logic);
+end and6comp;
+
+architecture behav of and6comp is
+  component and3 is
+    port (a, b, c : std_logic;
+          o : out std_logic);
+  end component;
+  signal t1, t2 : std_logic;
+begin
+  a1: and3
+    port map (i0, i1, i2, t1);
+  a2: and3
+    port map (i3, i4, i5, t2);
+  o <= t1 and t2;
+end behav;
diff --git a/testsuite/synth/comp01/tb_and6.vhdl b/testsuite/synth/comp01/tb_and6.vhdl
new file mode 100644
index 000000000..177592373
--- /dev/null
+++ b/testsuite/synth/comp01/tb_and6.vhdl
@@ -0,0 +1,37 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity tb_and6 is
+end tb_and6;
+
+architecture behav of tb_and6 is
+  signal i0, i1, i2, i3, i4, i5 : std_logic;
+  signal o : std_logic;
+
+begin
+  dut : entity work.and6
+    port map (i0 => i0, i1 => i1, i2 => i2, i3 => i4, i4 => i4,
+              i5 => i5, o => o);
+
+  process
+    constant v0 : std_logic_vector := b"1011";
+    constant v1 : std_logic_vector := b"1111";
+    constant v2 : std_logic_vector := b"1111";
+    constant v3 : std_logic_vector := b"1111";
+    constant v4 : std_logic_vector := b"1111";
+    constant v5 : std_logic_vector := b"1101";
+    constant ov : std_logic_vector := b"1001";
+  begin
+    for i in ov'range loop
+      i0 <= v0 (i);
+      i1 <= v1 (i);
+      i2 <= v2 (i);
+      i3 <= v3 (i);
+      i4 <= v4 (i);
+      i5 <= v5 (i);
+      wait for 1 ns;
+      assert o = ov(i) severity failure;
+    end loop;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/comp01/testsuite.sh b/testsuite/synth/comp01/testsuite.sh
new file mode 100755
index 000000000..c16175e4c
--- /dev/null
+++ b/testsuite/synth/comp01/testsuite.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze and3.vhdl and6.vhdl tb_and6.vhdl
+elab_simulate tb_and6
+clean
+
+synth and3.vhdl and6.vhdl -e and6 > syn_and6.vhdl
+analyze syn_and6.vhdl tb_and6.vhdl
+elab_simulate tb_and6
+clean
+
+echo "Test successful"