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diff --git a/testsuite/gna/issue50/idct.d/mul_499.vhd b/testsuite/gna/issue50/idct.d/mul_499.vhd
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+library ieee;
+use ieee.std_logic_1164.all;
+
+library ieee;
+use ieee.numeric_std.all;
+
+entity mul_499 is
+ port (
+ result : out std_logic_vector(31 downto 0);
+ in_a : in std_logic_vector(31 downto 0);
+ in_b : in std_logic_vector(15 downto 0)
+ );
+end mul_499;
+
+architecture augh of mul_499 is
+
+ signal tmp_res : signed(47 downto 0);
+
+begin
+
+ -- The actual multiplication
+ tmp_res <= signed(in_a) * signed(in_b);
+
+ -- Set the output
+ result <= std_logic_vector(tmp_res(31 downto 0));
+
+end architecture;