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add warning and calculate correct activity

This commit is contained in:
Stan Lee 2026-05-11 22:27:33 -07:00
parent 74dee77d9d
commit 7537faa8cd
1 changed files with 3 additions and 1 deletions
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4
passes/techmap/clockgate.cc
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@ -200,6 +200,8 @@ static double get_cell_activity(Cell *cell, IdString pin, IdString attr) {
return atof(tok.c_str() + prefix.size());
// Unable to find any corresponding value, return default
log_warning("Unable to find attribute %s on pin %s on cell %s",
attr.c_str(), pin.c_str(), cell->name.c_str());
return (attr == ID($DUTY)) ? 1.0 : 0.0;
}
@ -472,7 +474,7 @@ struct ClockgatePass : public Pass {
// Calculate the duty and activity of the gated clock.
double gclk_duty = clk_duty * ce_active_frac;
double gclk_ackt = clk_activity * ce_activity;
double gclk_ackt = clk_activity * ce_active_frac;
// Set cell attributes for the new ICG
icg->set_string_attribute(ID($FANOUT), "1");