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Added $logic_not handling to fsm_detect

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This commit is contained in:
Clifford Wolf 2015-09-18 10:46:50 +02:00
parent c89ceee219
commit b7535a6c75
1 changed files with 2 additions and 0 deletions
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2
passes/fsm/fsm_detect.cc
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@ -89,6 +89,8 @@ static bool check_state_users(RTLIL::SigSpec sig)
RTLIL::Cell *cell = cellport.first;
if (muxtree_cells.count(cell) > 0)
continue;
if (cell->type == "$logic_not" && assign_map(cell->getPort("\\A")) == sig)
continue;
if (cellport.second != "\\A" && cellport.second != "\\B")
return false;
if (!cell->hasPort("\\A") || !cell->hasPort("\\B") || !cell->hasPort("\\Y"))