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| author | myrtle <gatecat@ds0.me> | 2023-01-31 22:29:11 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-01-31 22:29:11 +0000 |
| commit | 235e0d28e9a0ad13efaed9579453c917c9d7efc2 (patch) | |
| tree | efdbb633bba84edad7f98382bd07dd32f91d528d /ecp5 | |
| parent | bfa3e047cee0f941ac58ba7dd2907fdfe2e90fc0 (diff) | |
| parent | 803c57d0529089bab71e203e7bc7e3e5be15285a (diff) | |
| download | nextpnr-235e0d28e9a0ad13efaed9579453c917c9d7efc2.tar.gz nextpnr-235e0d28e9a0ad13efaed9579453c917c9d7efc2.tar.bz2 nextpnr-235e0d28e9a0ad13efaed9579453c917c9d7efc2.zip | |
Merge pull request #1088 from rowanG077/ecp5-singleton-lpf
ecp5: LOCATE in LPF works on singleton vector
Diffstat (limited to 'ecp5')
| -rw-r--r-- | ecp5/lpf.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/ecp5/lpf.cc b/ecp5/lpf.cc index 4f02d22d..2e34f54a 100644 --- a/ecp5/lpf.cc +++ b/ecp5/lpf.cc @@ -131,9 +131,16 @@ bool Arch::apply_lpf(std::string filename, std::istream &in) std::string cell = strip_quotes(words.at(2)); if (words.at(3) != "SITE") log_error("expected 'SITE' after 'LOCATE COMP %s' (on line %d)\n", cell.c_str(), lineno); - auto fnd_cell = cells.find(id(cell)); if (words.size() > 5) log_error("unexpected input following LOCATE clause (on line %d)\n", lineno); + auto fnd_cell = cells.find(id(cell)); + // 1-bit wires are treated as scalar by nextpnr. + // In HDL they might have been a singleton vector. + if (fnd_cell == cells.end() && cell.size() >= 3 && cell.substr(cell.size() - 3) == "[0]") { + cell = cell.substr(0, cell.size() - 3); + fnd_cell = cells.find(id(cell)); + } + if (fnd_cell != cells.end()) { fnd_cell->second->attrs[id_LOC] = strip_quotes(words.at(4)); } |