[TODO] Timing: mark place for fe->re / re->fe timing modifications

lpawelcz · lpawelcz · commit 2fe253881d90 · 2022-11-23T12:18:28.000+01:00
Signed-off-by: Pawel Czarnecki &lt;pczarnecki@antmicro.com&gt;
diff --git a/vpr/src/timing/atom_delay_calc.inl b/vpr/src/timing/atom_delay_calc.inl
@@ -71,10 +71,10 @@ inline float AtomDelayCalc::atom_clock_to_q_delay(const AtomPinId /*clock_pin*/,
     VTR_ASSERT(gpin->type == PB_PIN_SEQUENTIAL);
 
     if (delay_type == DelayType::MAX) {
-        return gpin->tco_max;
+        return gpin->tco_max;	// + half of clock period
     } else {
         VTR_ASSERT(delay_type == DelayType::MIN);
-        return gpin->tco_min;
+        return gpin->tco_min;	// - half of clock period
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -71,10 +71,10 @@ inline float AtomDelayCalc::atom_clock_to_q_delay(const AtomPinId /clock_pin/,`
`71`	`71`	`VTR_ASSERT(gpin->type == PB_PIN_SEQUENTIAL);`
`72`	`72`
`73`	`73`	`if (delay_type == DelayType::MAX) {`
`74`		`- return gpin->tco_max;`
	`74`	`+ return gpin->tco_max; // + half of clock period`
`75`	`75`	`} else {`
`76`	`76`	`VTR_ASSERT(delay_type == DelayType::MIN);`
`77`		`- return gpin->tco_min;`
	`77`	`+ return gpin->tco_min; // - half of clock period`
`78`	`78`	`}`
`79`	`79`	`}`
`80`	`80`