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-rw-r--r--techlibs/common/abc9_map.v4
1 files changed, 2 insertions, 2 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_");