PoC.arith.prefix_or¶

Prefix OR computation: y(i) <= '0' when x(i downto 0) = (i downto 0 => '0') else '1'; This implementation uses carry chains for wider implementations.

Entity Declaration:

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entity arith_prefix_or is
  generic (
    N : positive
  );
  port (
    x : in  std_logic_vector(N-1 downto 0);
    y : out std_logic_vector(N-1 downto 0)
  );
end entity;