diff options
| -rw-r--r-- | testsuite/gna/issue1440/tb_last_value_bug.vhdl | 17 | ||||
| -rwxr-xr-x | testsuite/gna/issue1440/testsuite.sh | 11 |
2 files changed, 28 insertions, 0 deletions
diff --git a/testsuite/gna/issue1440/tb_last_value_bug.vhdl b/testsuite/gna/issue1440/tb_last_value_bug.vhdl new file mode 100644 index 000000000..a8bdcf50c --- /dev/null +++ b/testsuite/gna/issue1440/tb_last_value_bug.vhdl @@ -0,0 +1,17 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +entity tb_last_value_bug is +end entity; + +architecture tb of tb_last_value_bug is + signal cnt : std_logic_vector(3 downto 0) := (others=>'0'); +begin + process + begin + wait for 10 ns; + cnt <= std_logic_vector(unsigned(cnt) + 1); + report "cnt: value = " & to_string(cnt) & " last_value = " & to_string(cnt'last_value) ; + end process; +end architecture; diff --git a/testsuite/gna/issue1440/testsuite.sh b/testsuite/gna/issue1440/testsuite.sh new file mode 100755 index 000000000..fdbd32d58 --- /dev/null +++ b/testsuite/gna/issue1440/testsuite.sh @@ -0,0 +1,11 @@ +#! /bin/sh + +. ../../testenv.sh + +export GHDL_STD_FLAGS=--std=08 +analyze tb_last_value_bug.vhdl +elab_simulate tb_last_value_bug --stop-time=50ns + +clean + +echo "Test successful" |