report_checks -report_sigmas

search/ReportPath.cc

@@ -115,6 +115,7 @@ ReportPath::ReportPath(StaState *sta) :
   StaState(sta),
   format_(ReportPathFormat::full),
   no_split_(false),
+  report_sigmas_(false),
   start_end_pt_width_(80),
   plus_zero_(nullptr),
   minus_zero_(nullptr)
@@ -178,7 +179,7 @@ ReportPath::findField(const char *name)
   while (field_iter.hasNext()) {
     ReportField *field = field_iter.next();
     if (stringEq(name, field->name()))
-	return field;
+      return field;
   }
   return nullptr;
 }
@@ -258,6 +259,12 @@ ReportPath::setDigits(int digits)
   plus_zero_  = stringPrint("%.*f", digits_, 0.0);
 }
 
+void
+ReportPath::setReportSigmas(bool report)
+{
+  report_sigmas_ = report;
+}
+
 ////////////////////////////////////////////////////////////////
 
 void
@@ -3168,8 +3175,10 @@ ReportPath::reportFieldDelayMinus(Delay value,
   if (delayAsFloat(value) == field_blank_)
     reportFieldBlank(field, result);
   else {
-    float mean_sigma = delayAsFloat(value, early_late, this);
+    const char *str = report_sigmas_
-    const char *str = units_->timeUnit()->asString(-mean_sigma, digits_);
+      ? delayAsString(-value, this, digits_)
+      //      : delayAsString(-value, early_late, this, digits_);
+      : units_->timeUnit()->asString(-delayAsFloat(value, early_late, this), digits_);
     if (stringEq(str, plus_zero_))
       // Force leading minus sign.
       str = minus_zero_;
@@ -3186,7 +3195,9 @@ ReportPath::reportFieldDelay(Delay value,
   if (delayAsFloat(value) == field_blank_)
     reportFieldBlank(field, result);
   else {
-    const char *str = delayAsString(value, early_late, this, digits_);
+    const char *str = report_sigmas_
+      ? delayAsString(value, this, digits_)
+      : delayAsString(value, early_late, this, digits_);
     if (stringEq(str, minus_zero_))
       // Filter "-0.00" fields.
       str = plus_zero_;

search/ReportPath.hh

@@ -48,6 +48,8 @@ public:
   int digits() const { return digits_; }
   void setDigits(int digits);
   void setNoSplit(bool no_split);
+  bool reportSigmas() const { return report_sigmas_; }
+  void setReportSigmas(bool report);
   ReportField *findField(const char *name);
 
   // Header above reportPathEnd results.
@@ -520,6 +522,7 @@ protected:
   bool report_net_;
   bool no_split_;
   int digits_;
+  bool report_sigmas_;
 
   int start_end_pt_width_;
 
@@ -573,7 +576,6 @@ protected:
   Unit *unit_;
   bool enabled_;
   char *blank_;
-  ReportPath *report_path_;
 };
 
 } // namespace

search/Sta.cc

@@ -2472,6 +2472,12 @@ Sta::setReportPathNoSplit(bool no_split)
   report_path_->setNoSplit(no_split);
 }
 
+void
+Sta::setReportPathSigmas(bool report_sigmas)
+{
+  report_path_->setReportSigmas(report_sigmas);
+}
+
 void
 Sta::reportPathEnds(PathEndSeq *ends)
 {

search/Sta.hh

@@ -870,6 +870,7 @@ public:
   ReportField *findReportPathField(const char *name);
   void setReportPathDigits(int digits);
   void setReportPathNoSplit(bool no_split);
+  void setReportPathSigmas(bool report_sigmas);
   // Report clk skews for clks.
   void reportClkSkew(ClockSet *clks,
 		     const Corner *corner,

tcl/Search.tcl

@@ -221,7 +221,7 @@ proc parse_report_path_options { cmd args_var default_format
     unset path_options
   }
   parse_key_args $cmd args path_options {-format -digits -fields} \
-    path_options {-no_line_splits} $unknown_key_is_error
+    path_options {-no_line_splits -report_sigmas} $unknown_key_is_error
 
   set format $default_format
   if [info exists path_options(-format)] {
@@ -241,11 +241,23 @@ proc parse_report_path_options { cmd args_var default_format
     set digits $path_options(-digits)
     check_positive_integer "-digits" $digits
   }
+
+  set report_sigmas [info exists path_options(-report_sigmas)]
+  set_report_path_sigmas $report_sigmas
+
   set path_options(num_fmt) "%.${digits}f"
   set_report_path_digits $digits
   # Numberic field width expands with digits.
   set field_width [expr $digits + $report_path_field_width_extra]
-  foreach field {total incr capacitance slew} {
+  if { $report_sigmas } {
+    set delay_field_width [expr $field_width * 3 + $report_path_field_width_extra]
+  } else {
+    set delay_field_width $field_width
+  }
+  foreach field {total incr} {
+    set_report_path_field_width $field $delay_field_width
+  }
+  foreach field {capacitance slew} {
     set_report_path_field_width $field $field_width
   }
 

tcl/StaTcl.i

@@ -4317,6 +4317,12 @@ set_report_path_no_split(bool no_split)
   Sta::sta()->setReportPathNoSplit(no_split);
 }
 
+void
+set_report_path_sigmas(bool report_sigmas)
+{
+  Sta::sta()->setReportPathSigmas(report_sigmas);
+}
+
 void
 delete_path_ref(PathRef *path)
 {