From 66e31d6d8c4faab0aeadee87298f13a3b67adbfb Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Sat, 2 Apr 2016 07:40:37 +0200 Subject: Add testcase for issue50. --- testsuite/gna/issue50/idct.d/mul_460.vhd | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 testsuite/gna/issue50/idct.d/mul_460.vhd (limited to 'testsuite/gna/issue50/idct.d/mul_460.vhd') diff --git a/testsuite/gna/issue50/idct.d/mul_460.vhd b/testsuite/gna/issue50/idct.d/mul_460.vhd new file mode 100644 index 000000000..f81f31d4c --- /dev/null +++ b/testsuite/gna/issue50/idct.d/mul_460.vhd @@ -0,0 +1,27 @@ +library ieee; +use ieee.std_logic_1164.all; + +library ieee; +use ieee.numeric_std.all; + +entity mul_460 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(14 downto 0) + ); +end mul_460; + +architecture augh of mul_460 is + + signal tmp_res : signed(46 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; -- cgit v1.2.3