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| author | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-03-24 16:25:15 -0700 |
|---|---|---|
| committer | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-03-25 17:20:13 -0700 |
| commit | 91ca5f110bdea0dbf1b6183d8129c3ea7b0c71c6 (patch) | |
| tree | ab411c5dfb8543540da838991a454807670d96eb /fpga_interchange/luts.h | |
| parent | 5dda3a14ffd962407217cff4bb2859bebc503b8b (diff) | |
| download | nextpnr-91ca5f110bdea0dbf1b6183d8129c3ea7b0c71c6.tar.gz nextpnr-91ca5f110bdea0dbf1b6183d8129c3ea7b0c71c6.tar.bz2 nextpnr-91ca5f110bdea0dbf1b6183d8129c3ea7b0c71c6.zip | |
Re-work LUT mapping logic to only put VCC pins when required.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
Diffstat (limited to 'fpga_interchange/luts.h')
| -rw-r--r-- | fpga_interchange/luts.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fpga_interchange/luts.h b/fpga_interchange/luts.h index 3500c9d3..dec5a9d6 100644 --- a/fpga_interchange/luts.h +++ b/fpga_interchange/luts.h @@ -88,6 +88,8 @@ struct LutMapper std::vector<CellInfo *> cells; bool remap_luts(const Context *ctx); + uint32_t check_wires(const std::vector<std::vector<int32_t>> &bel_to_cell_pin_remaps, + const std::vector<const LutBel *> &lut_bels, uint32_t used_pins) const; }; // Rotate and merge a LUT equation into an array of levels. |