| // Copyright 2020-2022 F4PGA Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| `ifndef NO_LUT |
| module \$lut (A, Y); |
| parameter WIDTH = 0; |
| parameter LUT = 0; |
| |
| (* force_downto *) |
| input [WIDTH-1:0] A; |
| output Y; |
| |
| generate |
| if (WIDTH == 6) begin |
| frac_lut6 #(.LUT(LUT)) _TECHMAP_REPLACE_ (.lut6_out(Y),.in(A)); |
| |
| end else begin |
| wire _TECHMAP_FAIL_ = 1; |
| end |
| endgenerate |
| |
| endmodule |
| `endif |
| |
| |
| |