From 5d9019994eff79c355a37d3ab35d2f57f9f340b2 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddieh@ece.ubc.ca>
Date: Sat, 3 Nov 2018 12:55:36 -0700
Subject: [PATCH] [xc7] Fix getPortTimingClass for IOBs

---
 xc7/arch.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xc7/arch.cc b/xc7/arch.cc
index 042fb689..ec37edc7 100644
--- a/xc7/arch.cc
+++ b/xc7/arch.cc
@@ -945,9 +945,9 @@ TimingPortClass Arch::getPortTimingClass(const CellInfo *cell, IdString port, Id
     }
     else if (cell->type == id_IOB33) {
         if (port == id_I)
-            return TMG_STARTPOINT;
-        else if (port == id_O)
             return TMG_ENDPOINT;
+        else if (port == id_O)
+            return TMG_STARTPOINT;
     }
     else if (cell->type == id_BUFGCTRL) {
         if (port == id_O)