DIRECT_ENABLE VHDL Example - 2023.2 English

entity test is port(
in1 : std_logic_vector (8 downto 0);
clk : std_logic;
ena1, ena2, ena3 : in std_logic
out1 : std_logic_vector(8 downto 0));
attribute direct_enable : string;
attribute direct_enable of ena3: signal is "yes";
end test;