diff options
Diffstat (limited to 'passes/opt/opt_dff.cc')
| -rw-r--r-- | passes/opt/opt_dff.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/passes/opt/opt_dff.cc b/passes/opt/opt_dff.cc index 0e25484b8..38faba15a 100644 --- a/passes/opt/opt_dff.cc +++ b/passes/opt/opt_dff.cc @@ -275,7 +275,7 @@ struct OptDffWorker bool changed = false; if (!ff.width) { - module->remove(cell); + ff.remove(); did_something = true; continue; } @@ -316,6 +316,7 @@ struct OptDffWorker continue; } ff = ff.slice(keep_bits); + ff.cell = cell; changed = true; } @@ -393,8 +394,7 @@ struct OptDffWorker // Always-active enable. Make a comb circuit, nuke the FF/latch. log("Handling always-active async load on %s (%s) from module %s (changing to combinatorial circuit).\n", log_id(cell), log_id(cell->type), log_id(module)); - initvals.remove_init(ff.sig_q); - module->remove(cell); + ff.remove(); if (ff.has_sr) { SigSpec tmp; if (ff.is_fine) { @@ -456,8 +456,7 @@ struct OptDffWorker // Always-active async reset — change to const driver. log("Handling always-active ARST on %s (%s) from module %s (changing to const driver).\n", log_id(cell), log_id(cell->type), log_id(module)); - initvals.remove_init(ff.sig_q); - module->remove(cell); + ff.remove(); module->connect(ff.sig_q, ff.val_arst); did_something = true; continue; @@ -660,6 +659,7 @@ struct OptDffWorker continue; } ff = ff.slice(keep_bits); + ff.cell = cell; changed = true; } @@ -728,7 +728,7 @@ struct OptDffWorker new_ff.pol_srst = srst.second; if (new_ff.has_ce) new_ff.ce_over_srst = true; - Cell *new_cell = new_ff.emit(module, NEW_ID); + Cell *new_cell = new_ff.emit(); if (new_cell) dff_cells.push_back(new_cell); log("Adding SRST signal on %s (%s) from module %s (D = %s, Q = %s, rval = %s).\n", @@ -741,6 +741,7 @@ struct OptDffWorker continue; } else if (GetSize(remaining_indices) != ff.width) { ff = ff.slice(remaining_indices); + ff.cell = cell; changed = true; } } @@ -790,7 +791,7 @@ struct OptDffWorker new_ff.sig_ce = en.first; new_ff.pol_ce = en.second; new_ff.ce_over_srst = false; - Cell *new_cell = new_ff.emit(module, NEW_ID); + Cell *new_cell = new_ff.emit(); if (new_cell) dff_cells.push_back(new_cell); log("Adding EN signal on %s (%s) from module %s (D = %s, Q = %s).\n", @@ -803,6 +804,7 @@ struct OptDffWorker continue; } else if (GetSize(remaining_indices) != ff.width) { ff = ff.slice(remaining_indices); + ff.cell = cell; changed = true; } } @@ -810,9 +812,7 @@ struct OptDffWorker if (changed) { // Rebuild the FF. - IdString name = cell->name; - module->remove(cell); - ff.emit(module, name); + ff.emit(); did_something = true; } } |