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author | Tristan Gingold <tgingold@free.fr> | 2016-04-02 07:40:37 +0200 |
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committer | Tristan Gingold <tgingold@free.fr> | 2016-04-02 07:40:37 +0200 |
commit | 66e31d6d8c4faab0aeadee87298f13a3b67adbfb (patch) | |
tree | af863500c6e1ddf22321538a6c51247fccd57704 /testsuite/gna/issue50/idct.d/mul_196.vhd | |
parent | 122fa90fb7e5c15b58efa100da828c1e879b4e4e (diff) | |
download | ghdl-66e31d6d8c4faab0aeadee87298f13a3b67adbfb.tar.gz ghdl-66e31d6d8c4faab0aeadee87298f13a3b67adbfb.tar.bz2 ghdl-66e31d6d8c4faab0aeadee87298f13a3b67adbfb.zip |
Add testcase for issue50.
Diffstat (limited to 'testsuite/gna/issue50/idct.d/mul_196.vhd')
-rw-r--r-- | testsuite/gna/issue50/idct.d/mul_196.vhd | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testsuite/gna/issue50/idct.d/mul_196.vhd b/testsuite/gna/issue50/idct.d/mul_196.vhd new file mode 100644 index 000000000..e298a92d2 --- /dev/null +++ b/testsuite/gna/issue50/idct.d/mul_196.vhd @@ -0,0 +1,27 @@ +library ieee; +use ieee.std_logic_1164.all; + +library ieee; +use ieee.numeric_std.all; + +entity mul_196 is + port ( + result : out std_logic_vector(29 downto 0); + in_a : in std_logic_vector(29 downto 0); + in_b : in std_logic_vector(10 downto 0) + ); +end mul_196; + +architecture augh of mul_196 is + + signal tmp_res : signed(40 downto 0); + +begin + + -- The actual multiplication + tmp_res <= signed(in_a) * signed(in_b); + + -- Set the output + result <= std_logic_vector(tmp_res(29 downto 0)); + +end architecture; |