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Improved $adff simplification

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This commit is contained in:
Clifford Wolf 2015-07-24 14:12:50 +02:00
parent c6ca4780e2
commit 914ae3401e
1 changed files with 1 additions and 1 deletions
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2
passes/opt/opt_rmdff.cc
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@ -147,7 +147,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff)
goto delete_dff;
}
if (sig_d.is_fully_const() && !sig_r.size() && (!has_init || val_init == sig_d.as_const())) {
if (sig_d.is_fully_const() && (!sig_r.size() || val_rv == sig_d.as_const()) && (!has_init || val_init == sig_d.as_const())) {
RTLIL::SigSig conn(sig_q, sig_d);
mod->connect(conn);
goto delete_dff;