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Do not SigSpec::extract() beyond bounds

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This commit is contained in:
Eddie Hung 2019-08-07 13:58:26 -07:00
parent e3d898dccb
commit d90b8b081a
2 changed files with 10 additions and 8 deletions
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4
passes/pmgen/ice40_dsp.cc
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@ -224,11 +224,11 @@ void create_ice40_dsp(ice40_dsp_pm &pm)
pm.autoremove(st.ffH);
pm.autoremove(st.addAB);
if (st.ffO_lo) {
SigSpec O = st.sigO.extract(0,16);
SigSpec O = st.sigO.extract(0,GetSize(st.ffO_lo));
st.ffO_lo->connections_.at("\\Q").replace(O, pm.module->addWire(NEW_ID, GetSize(O)));
}
if (st.ffO_hi) {
SigSpec O = st.sigO.extract(16,16);
SigSpec O = st.sigO.extract(16,GetSize(st.ffo_hi));
st.ffO_hi->connections_.at("\\Q").replace(O, pm.module->addWire(NEW_ID, GetSize(O)));
}
}