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author | Tristan Gingold <tgingold@free.fr> | 2020-06-12 07:51:01 +0200 |
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committer | Tristan Gingold <tgingold@free.fr> | 2020-06-12 07:51:01 +0200 |
commit | d8b893bece3dfa2e421a7d92399fa913839c9220 (patch) | |
tree | a656ee768566572594d16258a95d1ddec8ea37ac /testsuite/synth/issue1366/issue.vhdl | |
parent | db9c1fd3700995155b2d8a32d929b3d0dc9689e2 (diff) | |
download | ghdl-d8b893bece3dfa2e421a7d92399fa913839c9220.tar.gz ghdl-d8b893bece3dfa2e421a7d92399fa913839c9220.tar.bz2 ghdl-d8b893bece3dfa2e421a7d92399fa913839c9220.zip |
testsuite/synth: add test for #1366
Diffstat (limited to 'testsuite/synth/issue1366/issue.vhdl')
-rw-r--r-- | testsuite/synth/issue1366/issue.vhdl | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/testsuite/synth/issue1366/issue.vhdl b/testsuite/synth/issue1366/issue.vhdl new file mode 100644 index 000000000..4a199ccfd --- /dev/null +++ b/testsuite/synth/issue1366/issue.vhdl @@ -0,0 +1,82 @@ +library ieee; + use ieee.std_logic_1164.all; + use ieee.numeric_std.all; + + +entity sequencer is + generic ( + seq : string + ); + port ( + clk : in std_logic; + data : out std_logic + ); +end entity sequencer; + + +architecture rtl of sequencer is + + signal index : natural := seq'low; + + function to_bit (a : in character) return std_logic is + variable ret : std_logic; + begin + case a is + when '0' | '_' => ret := '0'; + when '1' | '-' => ret := '1'; + when others => ret := 'X'; + end case; + return ret; + end function to_bit; + +begin + + process (clk) is + begin + if rising_edge(clk) then + if (index < seq'high) then + index <= index + 1; + end if; + end if; + end process; + + data <= to_bit(seq(index)); + +end architecture rtl; + + +library ieee; + use ieee.std_logic_1164.all; + use ieee.numeric_std.all; + + +entity issue is + port ( + clk : in std_logic + ); +end entity issue; + + +architecture psl of issue is + + component sequencer is + generic ( + seq : string + ); + port ( + clk : in std_logic; + data : out std_logic + ); + end component sequencer; + + signal a, b : std_logic; + +begin + + + -- 0123456789 + SEQ_A : sequencer generic map ("__-__-____") port map (clk, a); + SEQ_B : sequencer generic map ("__-__-____") port map (clk, b); + + +end architecture psl; |