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Fix opt_rmdff handling of $dlatchsr

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Clifford Wolf 2018-02-26 11:46:05 +01:00
parent 0d636964b8
commit fba499b866
1 changed files with 3 additions and 0 deletions
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3
passes/opt/opt_rmdff.cc
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@ -154,6 +154,9 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell)
if (used_pol_set && used_pol_clr && pol_set != pol_clr) if (used_pol_set && used_pol_clr && pol_set != pol_clr)
return did_something; return did_something;
if (cell->type == "$dlatchsr")
return did_something;
State unified_pol = used_pol_set ? pol_set : pol_clr; State unified_pol = used_pol_set ? pol_set : pol_clr;
if (cell->type == "$dffsr") if (cell->type == "$dffsr")