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dmp flush static casts

This commit is contained in:
James Cherry 2020-11-04 12:20:21 -08:00
parent 7023e97bb4
commit f1924594de
1 changed files with 13 additions and 17 deletions
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30
dcalc/DmpCeff.cc
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@ -376,12 +376,8 @@ DmpAlg::gateCapDelaySlew(double ceff,
{
ArcDelay model_delay;
Slew model_slew;
gate_model_->gateDelay(drvr_cell_, pvt_,
static_cast<float>(in_slew_),
static_cast<float>(ceff),
related_out_cap_,
pocv_enabled_,
model_delay, model_slew);
gate_model_->gateDelay(drvr_cell_, pvt_, in_slew_, ceff, related_out_cap_,
pocv_enabled_, model_delay, model_slew);
delay = delayAsFloat(model_delay);
slew = delayAsFloat(model_slew);
}
@ -576,12 +572,12 @@ DmpAlg::loadDelaySlew(const Pin *,
{
if (elmore == 0.0) {
delay = 0.0;
slew = static_cast<float>(gate_slew_);
slew = gate_slew_;
}
else if (elmore < gate_slew_ * 1e-3) {
// Elmore delay is small compared to driver slew.
delay = static_cast<float>(elmore);
slew = static_cast<float>(gate_slew_);
delay = elmore;
slew = gate_slew_;
}
else {
elmore_ = elmore;
@ -610,17 +606,17 @@ DmpAlg::loadDelaySlew(const Pin *,
// Only report a problem if the difference is significant.
if ((gate_slew_ - slew1) > vth_time_tol * gate_slew_)
fail("load slew less than driver slew");
slew1 = static_cast<float>(gate_slew_);
slew1 = gate_slew_;
}
delay = static_cast<float>(delay1);
slew = static_cast<float>(slew1);
delay = delay1;
slew = slew1;
}
else {
// Failed - use elmore delay and driver slew.
delay = static_cast<float>(elmore_);
delay = elmore_;
// solve v=1-exp(-t/rc) for t, elmore_slew_factor_ = t(vh) - t(vl)
// slew = elmore * (log(vh_) - log(vl_))
slew = static_cast<float>(gate_slew_ + elmore * elmore_slew_factor_);
slew = gate_slew_ + elmore * elmore_slew_factor_;
}
}
}
@ -1616,8 +1612,8 @@ DmpCeffDelayCalc::gateDelay(const LibertyCell *drvr_cell,
c2, rpi, c1);
double dmp_gate_delay, dmp_drvr_slew;
gateDelaySlew(dmp_gate_delay, dmp_drvr_slew);
gate_delay = static_cast<float>(dmp_gate_delay);
drvr_slew = static_cast<float>(dmp_drvr_slew);
gate_delay = dmp_gate_delay;
drvr_slew = dmp_drvr_slew;
}
else {
LumpedCapDelayCalc::gateDelay(drvr_cell, arc, in_slew, load_cap,
@ -1692,7 +1688,7 @@ DmpCeffDelayCalc::ceff(const LibertyCell *drvr_cell,
drvr_parasitic, related_out_cap, pvt, dcalc_ap,
gate_delay, drvr_slew);
if (dmp_alg_)
return static_cast<float>(dmp_alg_->ceff());
return dmp_alg_->ceff();
else
return load_cap;
}