diff options
Diffstat (limited to 'backends/btor/btor.cc')
| -rw-r--r-- | backends/btor/btor.cc | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/backends/btor/btor.cc b/backends/btor/btor.cc index 639c6f129..692452aad 100644 --- a/backends/btor/btor.cc +++ b/backends/btor/btor.cc @@ -860,7 +860,20 @@ struct BtorWorker goto okay; } - log_error("Unsupported cell type: %s (%s)\n", log_id(cell->type), log_id(cell)); + 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_btor`.\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) == "$_DFF") { + log_error("Unsupported cell type %s for cell %s.%s -- please run `async2sync; dffunmap` or `clk2fflogic` before `write_btor`.\n", + log_id(cell->type), log_id(module), log_id(cell)); + } + if (cell->type.in(ID($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_btor`.\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)); okay: btorf_pop(log_id(cell)); |