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Do not map $eq and $ne in cmp2lut, only proper arithmetic cmp 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-11-11 15:07:29 +01:00
parent 1d148491c5
commit 362f4f996d
1 changed files with 1 additions and 1 deletions
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2
techlibs/common/cmp2lut.v
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@ -7,7 +7,7 @@
// with n <= k inputs should be techmapped in this way, because this shortens the critical path // with n <= k inputs should be techmapped in this way, because this shortens the critical path
// from n to 1 by avoiding carry chains. // from n to 1 by avoiding carry chains.
(* techmap_celltype = "$eq $ne $lt $le $gt $ge" *) (* techmap_celltype = "$lt $le $gt $ge" *)
module _90_lut_cmp_ (A, B, Y); module _90_lut_cmp_ (A, B, Y);
parameter A_SIGNED = 0; parameter A_SIGNED = 0;