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-rw-r--r--testsuite/synth/external01/external02.vhdl65
-rwxr-xr-xtestsuite/synth/external01/testsuite.sh1
2 files changed, 66 insertions, 0 deletions
diff --git a/testsuite/synth/external01/external02.vhdl b/testsuite/synth/external01/external02.vhdl
new file mode 100644
index 000000000..5cab0d980
--- /dev/null
+++ b/testsuite/synth/external01/external02.vhdl
@@ -0,0 +1,65 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity external02_sub is
+ port (clk : std_logic;
+ rst : std_logic;
+ a : std_logic_vector(7 downto 0);
+ o : out std_logic_vector(7 downto 0));
+end external02_sub;
+
+architecture behav of external02_sub is
+ signal accum : std_logic_vector(7 downto 0);
+begin
+ process (clk) is
+ begin
+ if rising_edge(clk) then
+ if rst = '1' then
+ accum <= (others => '0');
+ else
+ accum <= std_logic_vector(unsigned(accum) + unsigned(a));
+ end if;
+ end if;
+ end process;
+
+ process (clk) is
+ begin
+ if rising_edge(clk) then
+ if rst = '1' then
+ o <= (others => '0');
+ else
+ o <= accum;
+ end if;
+ end if;
+ end process;
+end behav;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity external02 is
+ port (clk : std_logic;
+ rst : std_logic;
+ a : std_logic_vector(7 downto 0);
+ accum : out std_logic_vector(7 downto 0);
+ o : out std_logic_vector(7 downto 0));
+end external02;
+
+architecture behav of external02 is
+ component external02_sub is
+ port (
+ clk : std_logic;
+ rst : std_logic;
+ a : std_logic_vector(7 downto 0);
+ o : out std_logic_vector(7 downto 0));
+ end component external02_sub;
+begin
+ dut : external02_sub
+ port map (clk => clk,
+ rst => rst,
+ a => a,
+ o => o);
+ accum <= << signal .external02.dut.accum : std_logic_vector(7 downto 0) >>;
+end behav;
diff --git a/testsuite/synth/external01/testsuite.sh b/testsuite/synth/external01/testsuite.sh
index 12ca0c07a..b21120cdc 100755
--- a/testsuite/synth/external01/testsuite.sh
+++ b/testsuite/synth/external01/testsuite.sh
@@ -6,6 +6,7 @@ GHDL_STD_FLAGS=--std=08
GHDL_SYNTH_FLAGS=--keep-hierarchy=no
synth_only external01
+synth_only external02
synth_failure externalerr01.vhdl -e
synth_failure externalerr02.vhdl -e