Commit Graph

10 Commits

Author SHA1 Message Date
Marcelina Kościelnicka aee439360b Add force_downto and force_upto wire attributes.
Fixes #2058.
2020-05-19 01:42:40 +02:00
Marcin Kościelnicki d48950d92d xilinx: Initial support for LUT4 devices.
Adds support for mapping logic, including LUTs, wide LUTs, and carry
chains.

Fixes #1547
2020-02-07 09:03:22 +01:00
Eddie Hung ce6a690d27 xilinx/ice40/ecp5: undo permuting LUT masks in lut_map
Now done in read_aiger
2020-01-27 13:30:27 -08:00
Marcin Kościelnicki 7562e7304e xilinx: Use INV instead of LUT1 when applicable 2019-11-25 20:40:39 +01:00
Eddie Hung 8e0a47fb92 Really permute Xilinx LUT mappings as default LUT6.I5:A6 2019-06-18 11:48:48 -07:00
Eddie Hung 8f5e6d73ff Revert "Fix (do not) permute LUT inputs, but permute mux selects"
This reverts commit da3d2eedd2.
2019-06-18 11:35:21 -07:00
Eddie Hung da3d2eedd2 Fix (do not) permute LUT inputs, but permute mux selects 2019-06-18 09:49:57 -07:00
Eddie Hung 608a95eb01 Fix copy-pasta issue 2019-06-17 22:29:22 -07:00
Eddie Hung 2a35c4ef94 Permute INIT for +/xilinx/lut_map.v 2019-06-17 22:24:35 -07:00
Keith Rothman 3090951d54 Changes required for VPR place and route synth_xilinx.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-01 12:02:27 -08:00