diff options
Diffstat (limited to 'backends/smt2')
| -rw-r--r-- | backends/smt2/smt2.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/backends/smt2/smt2.cc b/backends/smt2/smt2.cc index a185fdd74..8be9e05f1 100644 --- a/backends/smt2/smt2.cc +++ b/backends/smt2/smt2.cc @@ -855,6 +855,18 @@ struct Smt2Worker return; } + if (cell->type.in(ID($dffe), ID($sdff), ID($sdffe), ID($sdffce)) || cell->type.str().substr(0, 6) == "$_SDFF" || (cell->type.str().substr(0, 6) == "$_DFFE" && cell->type.str().size() == 10)) { + log_error("Unsupported cell type %s for cell %s.%s -- please run `dffunmap` before `write_smt2`.\n", + log_id(cell->type), log_id(module), log_id(cell)); + } + if (cell->type.in(ID($adff), ID($adffe), ID($dffsr), ID($dffsre)) || cell->type.str().substr(0, 5) == "$_DFF") { + log_error("Unsupported cell type %s for cell %s.%s -- please run `async2sync; dffunmap` or `clk2fflogic` before `write_smt2`.\n", + log_id(cell->type), log_id(module), log_id(cell)); + } + if (cell->type.in(ID($sr), ID($dlatch), ID($adlatch), ID($dlatchsr)) || cell->type.str().substr(0, 8) == "$_DLATCH" || cell->type.str().substr(0, 5) == "$_SR_") { + log_error("Unsupported cell type %s for cell %s.%s -- please run `clk2fflogic` before `write_smt2`.\n", + log_id(cell->type), log_id(module), log_id(cell)); + } log_error("Unsupported cell type %s for cell %s.%s.\n", log_id(cell->type), log_id(module), log_id(cell)); } |