1 files changed, 67 insertions, 0 deletions
diff --git a/testsuite/synth/sns01/tb_cmpne.vhdl b/testsuite/synth/sns01/tb_cmpne.vhdl
new file mode 100644
index 000000000..8a4922f7e
--- /dev/null
+++ b/testsuite/synth/sns01/tb_cmpne.vhdl
@@ -0,0 +1,67 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.std_logic_arith.all;
+
+entity tb_cmpne is
+end;
+
+architecture behav of tb_cmpne is
+  signal li : integer := 0;
+  signal ri : integer := 0;
+  signal l4 : std_logic_vector (3 downto 0) := "0000";
+  signal r3 : std_logic_vector (2 downto 0) := "000";
+  signal ne_u4u3 : boolean;
+  signal ne_s4s3 : boolean;
+  signal ne_u4s3 : boolean;
+  signal ne_s4u3 : boolean;
+  signal ne_u4i :  boolean;
+  signal ne_iu3 :  boolean;
+  signal ne_s4i :  boolean;
+  signal ne_is3 :  boolean;
+begin
+
+  dut: entity work.cmpne
+    port map (
+      l4 => l4,
+      r3 => r3,
+      li => li,
+      ri => ri,
+      ne_u4u3 => ne_u4u3,
+      ne_s4s3 => ne_s4s3,
+      ne_u4s3 => ne_u4s3,
+      ne_s4u3 => ne_s4u3,
+      ne_u4i => ne_u4i,
+      ne_iu3 => ne_iu3,
+      ne_s4i => ne_s4i,
+      ne_is3 => ne_is3);
+
+  process
+  begin
+    for i in -8 to 7 loop
+      li <= i;
+      l4 <= conv_std_logic_vector (i, 4);
+      for j in -4 to 3 loop
+        r3 <= conv_std_logic_vector (j, 3);
+        ri <= j;
+        wait for 1 ns;
+        report "u4u3: " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_u4u3);
+        report "s4s3: " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_s4s3);
+        report "u4s3: " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_u4s3);
+        report "s4u3: " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_s4u3);
+        report "u4i:  " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_u4i);
+        report "iu3:  " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_iu3);
+        report "s4i:  " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_s4i);
+        report "is3:  " & integer'image(i) & " /= " & integer'image(j) & " = "
+          & boolean'image(ne_is3);
+      end loop;
+    end loop;
+    wait;
+  end process;
+end behav;