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Support CEM

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This commit is contained in:
Eddie Hung 2019-09-04 10:52:51 -07:00
parent 80aec0f006
commit e67e4a5ed6
2 changed files with 33 additions and 9 deletions
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10
passes/pmgen/xilinx_dsp.cc
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@ -39,6 +39,7 @@ void pack_xilinx_dsp(dict<SigBit, Cell*> &bit_to_driver, xilinx_dsp_pm &pm)
log("ffB: %s\n", log_id(st.ffB, "--"));
log("dsp: %s\n", log_id(st.dsp, "--"));
log("ffM: %s\n", log_id(st.ffM, "--"));
log("ffMmux: %s\n", log_id(st.ffMmux, "--"));
log("postAdd: %s\n", log_id(st.postAdd, "--"));
log("postAddMux: %s\n", log_id(st.postAddMux, "--"));
log("ffP: %s\n", log_id(st.ffP, "--"));
@ -111,11 +112,12 @@ void pack_xilinx_dsp(dict<SigBit, Cell*> &bit_to_driver, xilinx_dsp_pm &pm)
SigSpec Q = st.ffM->getPort("\\Q");
P.replace(pm.sigmap(D), Q);
cell->setParam("\\MREG", State::S1);
if (st.ffM->type == "$dff")
if (st.ffMmux) {
cell->setPort("\\CEM", st.ffMmux->getPort("\\S"));
pm.autoremove(st.ffMmux);
}
else
cell->setPort("\\CEM", State::S1);
//else if (st.ffP->type == "$dffe")
// cell->setPort("\\CEM", st.ffM->getPort("\\EN"));
else log_abort();
pm.autoremove(st.ffM);
}
if (st.ffP) {