1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/synth/oper01/snum04.vhdl b/testsuite/synth/oper01/snum04.vhdl
new file mode 100644
index 000000000..1ddc30320
--- /dev/null
+++ b/testsuite/synth/oper01/snum04.vhdl
@@ -0,0 +1,20 @@
+entity snum04 is
+  port (ok : out boolean);
+end snum04;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+architecture behav of snum04 is
+  --  add uns nat
+  constant a1 : unsigned (7 downto 0) := x"1d";
+  constant b1 : unsigned (3 downto 0) := x"5";
+  constant r1 : unsigned (11 downto 0) := a1 * b1;
+  
+  signal er1 : unsigned (11 downto 0) := x"091";
+  
+begin
+--  ok <= r1 = x"20";
+  ok <= r1 = er1;
+end behav;