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(* techmap_celltype = "$fa" *)
module _tech_fa (A, B, C, X, Y);
parameter WIDTH = 1;
(* force_downto *)
input [WIDTH-1 : 0] A, B, C;
(* force_downto *)
output [WIDTH-1 : 0] X, Y;
parameter _TECHMAP_CONSTVAL_A_ = WIDTH'bx;
parameter _TECHMAP_CONSTVAL_B_ = WIDTH'bx;
parameter _TECHMAP_CONSTVAL_C_ = WIDTH'bx;
genvar i;
generate for (i = 0; i < WIDTH; i = i + 1) begin
if (_TECHMAP_CONSTVAL_A_[i] === 1'b0 || _TECHMAP_CONSTVAL_B_[i] === 1'b0 || _TECHMAP_CONSTVAL_C_[i] === 1'b0) begin
if (_TECHMAP_CONSTVAL_C_[i] === 1'b0) begin
HA_X1 halfadder_Cconst (
.A(A[i]),
.B(B[i]),
.CO(X[i]), .S(Y[i])
);
end
else begin
if (_TECHMAP_CONSTVAL_B_[i] === 1'b0) begin
HA_X1 halfadder_Bconst (
.A(A[i]),
.B(C[i]),
.CO(X[i]), .S(Y[i])
);
end
else begin
HA_X1 halfadder_Aconst (
.A(B[i]),
.B(C[i]),
.CO(X[i]), .S(Y[i])
);
end
end
end
else begin
FA_X1 fulladder (
.A(A[i]), .B(B[i]), .CI(C[i]), .CO(X[i]), .S(Y[i])
);
end
end endgenerate
endmodule
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