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| author | Eddie Hung <eddie@fpgeh.com> | 2020-05-14 16:44:35 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2020-05-14 16:44:35 -0700 |
| commit | 67fc0c3698693f049e805211c49d6219f17d7c7d (patch) | |
| tree | 9982fbc8c5feeb8469c4106c9de2ef85fedba453 /techlibs/common | |
| parent | 02df0198b65a2514d1343eeff8827f4e2cf858d0 (diff) | |
| download | yosys-67fc0c3698693f049e805211c49d6219f17d7c7d.tar.gz yosys-67fc0c3698693f049e805211c49d6219f17d7c7d.tar.bz2 yosys-67fc0c3698693f049e805211c49d6219f17d7c7d.zip | |
abc9: use (* abc9_keep *) instead of (* abc9_scc *); apply to $_DFF_?_
instead of moving them to $__ prefix
Diffstat (limited to 'techlibs/common')
| -rw-r--r-- | techlibs/common/abc9_map.v | 4 | ||||
| -rw-r--r-- | techlibs/common/abc9_unmap.v | 12 |
2 files changed, 2 insertions, 14 deletions
diff --git a/techlibs/common/abc9_map.v b/techlibs/common/abc9_map.v index bb2b4a4b1..6ed90b5f5 100644 --- a/techlibs/common/abc9_map.v +++ b/techlibs/common/abc9_map.v @@ -10,7 +10,7 @@ module $_DFF_x_(input C, D, output Q); $_DFF_N_ ff (.C(C), .D(D_), .Q(Q)); end else - $__DFF_N_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); // hide from abc9 using $__ prefix + (* abc9_keep *) $_DFF_N_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); end else if (_TECHMAP_CELLTYPE_ == "$_DFF_P_") begin if (_TECHMAP_WIREINIT_Q_ === 1'b0) begin @@ -18,7 +18,7 @@ module $_DFF_x_(input C, D, output Q); $_DFF_P_ ff (.C(C), .D(D_), .Q(Q)); end else - $__DFF_P_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); // hide from abc9 using $__ prefix + (* abc9_keep *) $_DFF_P_ _TECHMAP_REPLACE_ (.C(C), .D(D), .Q(Q)); end else if (_TECHMAP_CELLTYPE_ != "") $error("Unrecognised _TECHMAP_CELLTYPE_"); diff --git a/techlibs/common/abc9_unmap.v b/techlibs/common/abc9_unmap.v index b765356d8..bcbe91477 100644 --- a/techlibs/common/abc9_unmap.v +++ b/techlibs/common/abc9_unmap.v @@ -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 |