testsuite/synth: add ret01 tests.

7 files changed, 129 insertions, 1 deletions

diff --git a/testsuite/synth/ret01/ret01.vhdl b/testsuite/synth/ret01/ret01.vhdl
new file mode 100644
index 000000000..64e7319f1
--- /dev/null
+++ b/testsuite/synth/ret01/ret01.vhdl
@@ -0,0 +1,20 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ret01 is
+  port (di : std_logic_vector (7 downto 0);
+        res : out integer);
+end ret01;
+
+architecture behav of ret01 is
+  function sign (v : std_logic_vector (7 downto 0)) return integer is
+  begin
+    if v (7) = '1' then
+      return -1;
+    else
+      return 1;
+    end if;
+  end sign;
+begin
+  res <= sign (di);
+end behav;
diff --git a/testsuite/synth/ret01/ret02.vhdl b/testsuite/synth/ret01/ret02.vhdl
new file mode 100644
index 000000000..8da4f3012
--- /dev/null
+++ b/testsuite/synth/ret01/ret02.vhdl
@@ -0,0 +1,19 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ret02 is
+  port (di : std_logic_vector (7 downto 0);
+        res : out integer);
+end ret02;
+
+architecture behav of ret02 is
+  function sign (v : std_logic_vector (7 downto 0)) return integer is
+  begin
+    if v (7) = '1' then
+      return -1;
+    end if;
+    return 1;
+  end sign;
+begin
+  res <= sign (di);
+end behav;
diff --git a/testsuite/synth/ret01/ret05.vhdl b/testsuite/synth/ret01/ret05.vhdl
new file mode 100644
index 000000000..c14e36d11
--- /dev/null
+++ b/testsuite/synth/ret01/ret05.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ret02 is
+  port (di : std_logic_vector (7 downto 0);
+        res : out integer);
+end ret02;
+
+architecture behav of ret02 is
+  function ffs (v : std_logic_vector (7 downto 0)) return integer is
+  begin
+    for i in v'range loop
+      if v (i) = '1' then
+        return i;
+      end if;
+    end loop;
+    return -1;
+  end ffs;
+begin
+  res <= ffs (di);
+end behav;
diff --git a/testsuite/synth/ret01/tb_ret01.vhdl b/testsuite/synth/ret01/tb_ret01.vhdl
new file mode 100644
index 000000000..469164c32
--- /dev/null
+++ b/testsuite/synth/ret01/tb_ret01.vhdl
@@ -0,0 +1,26 @@
+entity tb_ret01 is
+end tb_ret01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_ret01 is
+  signal d : std_logic_vector (7 downto 0);
+  signal r : integer;
+begin
+  dut: entity work.ret01
+    port map (d, r);
+
+  process
+  begin
+    d <= x"01";
+    wait for 1 ns;
+    assert r = 1 severity failure;
+
+    d <= x"f1";
+    wait for 1 ns;
+    assert r = -1 severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/ret01/tb_ret02.vhdl b/testsuite/synth/ret01/tb_ret02.vhdl
new file mode 100644
index 000000000..a9f56c4d1
--- /dev/null
+++ b/testsuite/synth/ret01/tb_ret02.vhdl
@@ -0,0 +1,26 @@
+entity tb_ret02 is
+end tb_ret02;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_ret02 is
+  signal d : std_logic_vector (7 downto 0);
+  signal r : integer;
+begin
+  dut: entity work.ret02
+    port map (d, r);
+
+  process
+  begin
+    d <= x"01";
+    wait for 1 ns;
+    assert r = 1 severity failure;
+
+    d <= x"f1";
+    wait for 1 ns;
+    assert r = -1 severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/ret01/testsuite.sh b/testsuite/synth/ret01/testsuite.sh
new file mode 100755
index 000000000..40105e0be
--- /dev/null
+++ b/testsuite/synth/ret01/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in ret01 ret02; do
+    analyze $t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t
+    clean
+
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t --ieee-asserts=disable-at-0
+    clean
+done
+
+echo "Test successful"
diff --git a/testsuite/synth/simple01/testsuite.sh b/testsuite/synth/simple01/testsuite.sh
index 3f7fd19d9..564b47fc4 100755
--- a/testsuite/synth/simple01/testsuite.sh
+++ b/testsuite/synth/simple01/testsuite.sh
@@ -9,7 +9,7 @@ for t in simple01; do
 
     synth $t.vhdl -e $t > syn_$t.vhdl
     analyze syn_$t.vhdl tb_$t.vhdl
-    elab_simulate tb_$t
+    elab_simulate tb_$t --ieee-asserts=disable-at-0
     clean
 done