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nexus: Fix arith_map CO signal. 

Fixes #3187.
This commit is contained in:
Marcelina Kościelnicka 2022-02-06 12:48:44 +01:00
parent 675a7bd22c
commit 958c3a46ad
1 changed files with 1 additions and 1 deletions
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techlibs/nexus/arith_map.v
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@ -90,7 +90,7 @@ module _80_nexus_alu (A, B, CI, BI, X, Y, CO);
assign CO[i] = (AA[i] && BB[i]) || ((Y[i] ^ AA[i] ^ BB[i]) && (AA[i] || BB[i]));
if (i+1 < Y_WIDTH) begin
assign CO[i + 1] = (AA[i] && BB[i]) || ((Y[i] ^ AA[i] ^ BB[i]) && (AA[i] || BB[i]));
assign CO[i + 1] = (AA[i + 1] && BB[i + 1]) || ((Y[i + 1] ^ AA[i + 1] ^ BB[i + 1]) && (AA[i + 1] || BB[i + 1]));
assign Y[i+1] = Y1[i];
end
end endgenerate