From 31b05c5d830eca5c10ab347fc1d51eba78df7e9f Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Wed, 27 May 2020 20:41:27 -0700
Subject: [PATCH] set_max_delay -ignore_clock_latency -from clk1 -to clk2 from
 input

---
 search/Search.cc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/search/Search.cc b/search/Search.cc
index 6bd96bac..e585456b 100644
--- a/search/Search.cc
+++ b/search/Search.cc
@@ -2262,8 +2262,13 @@ Search::pathClkPathArrival(const Path *path) const
   pathClkPathArrival1(path, src_clk_path);
   if (!src_clk_path.isNull())
     return clkPathArrival(&src_clk_path);
-  else
-    return 0.0;
+  else {
+    // Check for input arrival clock.
+    ClockEdge *clk_edge = path->clkEdge(this);
+    if (clk_edge)
+      return clk_edge->time();
+  }
+  return 0.0;
 }
 
 // PathExpanded::expand() and PathExpanded::clkPath().