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abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_

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instead of moving them to $__ prefix
This commit is contained in:
Eddie Hung 2020-05-14 16:44:35 -07:00
parent 02df0198b6
commit 67fc0c3698
5 changed files with 11 additions and 23 deletions
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12
techlibs/common/abc9_unmap.v
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@ -9,15 +9,3 @@ module $__DFF_x__$abc9_flop (input C, D, Q, output n1);
$error("Unrecognised _TECHMAP_CELLTYPE_");
endgenerate
endmodule
(* techmap_celltype = "$__DFF_N_ $__DFF_P_" *)
module $__DFF_x_ (input C, D, output Q);
parameter _TECHMAP_CELLTYPE_ = "";
generate if (_TECHMAP_CELLTYPE_ == "$__DFF_N_")
$_DFF_N_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q));
else if (_TECHMAP_CELLTYPE_ == "$__DFF_P_")
$_DFF_P_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q));
else if (_TECHMAP_CELLTYPE_ != "")
$error("Unrecognised _TECHMAP_CELLTYPE_");
endgenerate
endmodule