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| author | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-04-01 15:19:21 -0700 |
|---|---|---|
| committer | Keith Rothman <537074+litghost@users.noreply.github.com> | 2021-04-06 10:42:05 -0700 |
| commit | 8773c645cae199d85d63461614c70854f54ae4db (patch) | |
| tree | 0ee2eff57a0912fcb75be7f3815f4f655bec8bd9 /fpga_interchange/xdc.h | |
| parent | c11ad31393389e0a16d84c2934332ea3755de60c (diff) | |
| download | nextpnr-8773c645cae199d85d63461614c70854f54ae4db.tar.gz nextpnr-8773c645cae199d85d63461614c70854f54ae4db.tar.bz2 nextpnr-8773c645cae199d85d63461614c70854f54ae4db.zip | |
[interchange] Prevent site router from generating incorrect LUTs.
The previous logic tied LUT input pins to VCC if a wire was unplacable.
This missed a case where the net was present to the input of the LUT,
but a wire was still not legal. This case is now prevented by tying the
output of the LUT to an unused net.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
Diffstat (limited to 'fpga_interchange/xdc.h')
0 files changed, 0 insertions, 0 deletions