set_max_delay -from pos_latch -to neg_latch (eagle 20250808)

Signed-off-by: James Cherry <cherry@parallaxsw.com>

include/sta/PathEnd.hh

@@ -375,6 +375,8 @@ public:
   virtual const TimingRole *checkRole(const StaState *sta) const;
   virtual Required requiredTime(const StaState *sta) const;
   virtual Arrival borrow(const StaState *sta) const;
+  virtual float targetClkTime(const StaState *sta) const;
+  virtual float targetClkOffset(const StaState *sta) const;
   Arrival targetClkWidth(const StaState *sta) const;
   virtual int exceptPathCmp(const PathEnd *path_end,
 			    const StaState *sta) const;

search/Latches.cc

@@ -93,7 +93,7 @@ Latches::latchRequired(const Path *data_path,
     CycleAccting *acct = sdc_->cycleAccting(data_clk_edge,
                                             enable_clk_edge);
     // checkTgtClkTime
-    float tgt_clk_time = acct->requiredTime(check_role);
+    float tgt_clk_time = path_delay ? 0.0 : acct->requiredTime(check_role);
     // checkTgtClkArrival broken down into components.
     Arrival enable_arrival = max_delay
       + tgt_clk_time

search/PathEnd.cc

@@ -1193,6 +1193,24 @@ PathEndLatchCheck::checkRole(const StaState *sta) const
     return TimingRole::latchSetup();
 }
 
+float
+PathEndLatchCheck::targetClkTime(const StaState *sta) const
+{
+  if (path_delay_)
+    return 0.0;
+  else
+    return PathEndClkConstrained::targetClkTime(sta);
+}
+
+float
+PathEndLatchCheck::targetClkOffset(const StaState *sta) const
+{
+  if (path_delay_)
+    return -targetClkEdge(sta)->time();
+  else
+    return PathEndClkConstrained::targetClkOffset(sta);
+}
+
 Required
 PathEndLatchCheck::requiredTime(const StaState *sta) const
 {