From 5fc4fc17b66c0f319d4ed160da137aa8aac43b22 Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Fri, 5 Jun 2020 11:50:18 -0700
Subject: [PATCH] pocv generated clk latency

---
 search/Crpr.cc    | 1 +
 search/PathEnd.cc | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/search/Crpr.cc b/search/Crpr.cc
index 3d9fc1ee..31d032cf 100644
--- a/search/Crpr.cc
+++ b/search/Crpr.cc
@@ -302,6 +302,7 @@ CheckCrpr::findCrpr1(const PathVertex *src_clk_path,
     float tgt_clk_time = tgt_clk_path->clkEdge(this)->time();
     float crpr_mean = abs(delayAsFloat(src_arrival) - src_clk_time
 			  - (delayAsFloat(tgt_arrival) - tgt_clk_time));
+    // Remove the sigma from both source and target path arrivals.
     float crpr_sigma2 = delaySigma2(src_arrival, src_el)
       + delaySigma2(tgt_arrival, tgt_el);
     return makeDelay2(crpr_mean, -crpr_sigma2, -crpr_sigma2);
diff --git a/search/PathEnd.cc b/search/PathEnd.cc
index 4084f20d..57a014c1 100644
--- a/search/PathEnd.cc
+++ b/search/PathEnd.cc
@@ -365,7 +365,7 @@ PathEnd::checkTgtClkDelay(const PathVertex *tgt_clk_path,
       Arrival path_insertion = search->clockInsertion(tgt_clk, tgt_src_pin,
 						      tgt_clk_rf, min_max,
 						      min_max, tgt_path_ap);
-      latency = clk_arrival - tgt_clk_edge->time() - path_insertion;
+      latency = delayRemove(clk_arrival - tgt_clk_edge->time(), path_insertion);
     }
     else
       // Ideal clock.