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equiv: Suggest running async2sync or clk2fflogic where appropriate.

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See #2713.
This commit is contained in:
Marcelina Kościelnicka 2021-03-30 04:00:45 +02:00
parent ba2ff1ea98
commit b7ea71e6e3
2 changed files with 10 additions and 3 deletions
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5
passes/equiv/equiv_induct.cc
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@ -55,7 +55,10 @@ struct EquivInductWorker
for (auto cell : cells) {
if (!satgen.importCell(cell, step) && !cell_warn_cache.count(cell)) {
log_warning("No SAT model available for cell %s (%s).\n", log_id(cell), log_id(cell->type));
if (RTLIL::builtin_ff_cell_types().count(cell->type))
log_warning("No SAT model available for async FF cell %s (%s). Consider running `async2sync` or `clk2fflogic` first.\n", log_id(cell), log_id(cell->type));
else
log_warning("No SAT model available for cell %s (%s).\n", log_id(cell), log_id(cell->type));
cell_warn_cache.insert(cell);
}
if (cell->type == ID($equiv)) {