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Diffstat (limited to 'techlibs/ice40/arith_map.v')
| -rw-r--r-- | techlibs/ice40/arith_map.v | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/techlibs/ice40/arith_map.v b/techlibs/ice40/arith_map.v index 4449fdc1b..6d45e4a6b 100644 --- a/techlibs/ice40/arith_map.v +++ b/techlibs/ice40/arith_map.v @@ -44,6 +44,15 @@ module _80_ice40_alu (A, B, CI, BI, X, Y, CO); genvar i; generate for (i = 0; i < Y_WIDTH; i = i + 1) begin:slice +`ifdef _ABC + \$__ICE40_CARRY_LUT4 carry ( + .A(AA[i]), + .B(BB[i]), + .CI(C[i]), + .CO(CO[i]), + .O(Y[i]) + ); +`else SB_CARRY carry ( .I0(AA[i]), .I1(BB[i]), @@ -63,6 +72,7 @@ module _80_ice40_alu (A, B, CI, BI, X, Y, CO); .I3(C[i]), .O(Y[i]) ); +`endif end endgenerate assign X = AA ^ BB; |