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YosysHQ.yosys/techlibs/common/abc9_unmap.v
Eddie Hung 67fc0c3698 abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_
instead of moving them to $__ prefix
2020-05-14 16:44:35 -07:00

12 lines
496 B
Verilog

(* techmap_celltype = "$__DFF_N__$abc9_flop $__DFF_P__$abc9_flop" *)
module $__DFF_x__$abc9_flop (input C, D, Q, output n1);
parameter _TECHMAP_CELLTYPE_ = "";
generate if (_TECHMAP_CELLTYPE_ == "$__DFF_N__$abc9_flop")
$_DFF_N_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q));
else if (_TECHMAP_CELLTYPE_ == "$__DFF_P__$abc9_flop")
$_DFF_P_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q));
else if (_TECHMAP_CELLTYPE_ != "")
$error("Unrecognised _TECHMAP_CELLTYPE_");
endgenerate
endmodule