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Set [AB]CASCREG to legal values

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This commit is contained in:
Eddie Hung 2019-09-23 16:00:11 -07:00
parent b824a56cde
commit e556d48d45
1 changed files with 10 additions and 6 deletions
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16
passes/pmgen/xilinx_dsp.cc
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@ -275,7 +275,6 @@ void xilinx_dsp_pack(xilinx_dsp_pm &pm)
log_debug("postAddMux: %s\n", log_id(st.postAddMux, "--"));
log_debug("ffP: %s %s %s\n", log_id(st.ffP, "--"), log_id(st.ffPcemux, "--"), log_id(st.ffPrstmux, "--"));
log_debug("overflow: %s\n", log_id(st.overflow, "--"));
log_debug("\n");
Cell *cell = st.dsp;
@ -410,9 +409,12 @@ void xilinx_dsp_pack(xilinx_dsp_pm &pm)
if (st.ffA1) {
f(A, st.ffA1, st.ffA1cemux, st.ffA1cepol, ID(CEA1), st.ffA1rstmux, st.ffArstpol, IdString());
cell->setParam(ID(AREG), 2);
cell->setParam(ID(ACASCREG), 2);
}
else
else {
cell->setParam(ID(AREG), 1);
cell->setParam(ID(ACASCREG), 1);
}
}
if (st.ffB2) {
SigSpec &B = cell->connections_.at(ID(B));
@ -421,9 +423,12 @@ void xilinx_dsp_pack(xilinx_dsp_pm &pm)
if (st.ffB1) {
f(B, st.ffB1, st.ffB1cemux, st.ffB1cepol, ID(CEB1), st.ffB1rstmux, st.ffBrstpol, IdString());
cell->setParam(ID(BREG), 2);
cell->setParam(ID(BCASCREG), 2);
}
else
else {
cell->setParam(ID(BREG), 1);
cell->setParam(ID(BCASCREG), 1);
}
}
if (st.ffD) {
SigSpec &D = cell->connections_.at(ID(D));
@ -469,9 +474,8 @@ void xilinx_dsp_pack(xilinx_dsp_pm &pm)
if (st.ffP)
log(" ffP:%s", log_id(st.ffP));
log("\n");
}
log("\n");
SigSpec P = st.sigP;
if (GetSize(P) < 48)
@ -624,7 +628,7 @@ struct XilinxDspPass : public Pass {
xilinx_dsp_cascade_pm pm(module, module->selected_cells());
pm.run_xilinx_dsp_cascadeP();
//pm.run_xilinx_dsp_cascadeAB();
break;
break;
} while (did_something);
}
}