From 0f3459dbe56619402469897f1857d06b2b3d3bb7 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddieh@ece.ubc.ca>
Date: Mon, 6 Aug 2018 08:22:08 -0700
Subject: Fix ice40's getBudgetOverride() to override only for COUT -> CIN

---
 ice40/arch.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ice40')

diff --git a/ice40/arch.cc b/ice40/arch.cc
index b8bb13ea..1e7a383b 100644
--- a/ice40/arch.cc
+++ b/ice40/arch.cc
@@ -640,7 +640,7 @@ std::vector<GroupId> Arch::getGroupGroups(GroupId group) const
 bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const
 {
     const auto &driver = net_info->driver;
-    if (driver.port == id_cout) {
+    if (driver.port == id_cout && sink.port == id_cin) {
         auto driver_loc = getBelLocation(driver.cell->bel);
         auto sink_loc = getBelLocation(sink.cell->bel);
         if (driver_loc.y == sink_loc.y)
-- 
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