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xilinx: Use INV instead of LUT1 when applicable

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Marcin Kościelnicki 2019-11-24 14:17:46 +01:00 • committed by Marcin Kościelnicki
parent db2268703f
commit 7562e7304e
5 changed files with 14 additions and 10 deletions
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8
techlibs/xilinx/lut_map.v
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@ -56,8 +56,12 @@ module \$lut (A, Y);
generate
if (WIDTH == 1) begin
LUT1 #(.INIT(P_LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]));
if (P_LUT == 2'b01) begin
INV _TECHMAP_REPLACE_ (.O(Y), .I(A[0]));
end else begin
LUT1 #(.INIT(P_LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]));
end
end else
if (WIDTH == 2) begin
LUT2 #(.INIT(P_LUT)) _TECHMAP_REPLACE_ (.O(Y),