mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-06-22 22:03:40 +00:00
Code Activity

If fully constant don't count as user

Browse source
This commit is contained in:
Akash Levy 2024-08-21 22:30:16 -07:00
parent 8989f2f98c
commit 1cc7e5536b
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
passes/opt/muxpack.cc
View file

@ -152,7 +152,7 @@ struct MuxpackWorker
b_sig = sigmap(cell->getPort(ID::B)); b_sig = sigmap(cell->getPort(ID::B));
SigSpec y_sig = sigmap(cell->getPort(ID::Y)); SigSpec y_sig = sigmap(cell->getPort(ID::Y));
if (sig_chain_next.count(a_sig)) if (sig_chain_next.count(a_sig) && !a_sig.is_fully_const())
for (auto a_bit : a_sig.bits()) for (auto a_bit : a_sig.bits())
sigbit_with_non_chain_users.insert(a_bit); sigbit_with_non_chain_users.insert(a_bit);
else { else {
@ -161,7 +161,7 @@ struct MuxpackWorker
} }
if (!b_sig.empty()) { if (!b_sig.empty()) {
if (sig_chain_next.count(b_sig)) if (sig_chain_next.count(b_sig) && !b_sig.is_fully_const())
for (auto b_bit : b_sig.bits()) for (auto b_bit : b_sig.bits())
sigbit_with_non_chain_users.insert(b_bit); sigbit_with_non_chain_users.insert(b_bit);
else { else {
@ -207,7 +207,6 @@ struct MuxpackWorker
goto start_cell; goto start_cell;
{ {
log_assert(sig_chain_prev.count(a_sig) != 0);
Cell *prev_cell = sig_chain_prev.at(a_sig); Cell *prev_cell = sig_chain_prev.at(a_sig);
log_assert(prev_cell); log_assert(prev_cell);
SigSpec s_sig = sigmap(cell->getPort(ID::S)); SigSpec s_sig = sigmap(cell->getPort(ID::S));