From 045ce3f148a90ae4dc8751f856d39a985384d0cc Mon Sep 17 00:00:00 2001
From: YRabbit <rabbit@yrabbit.cyou>
Date: Mon, 3 Jan 2022 17:48:31 +1000
Subject: gowin: Fix last MUX8

In fact, there is also an input/output column.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
---
 gowin/arch.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gowin/arch.cc b/gowin/arch.cc
index 2f61685a..8c654b2e 100644
--- a/gowin/arch.cc
+++ b/gowin/arch.cc
@@ -612,7 +612,7 @@ void Arch::addMuxBels(const DatabasePOD *db, int row, int col)
         int gcol = col + 1;
 
         // no MUX2_LUT8 in the last column
-        if (j == 7 && col == getGridDimX() - 1) {
+        if (j == 7 && col == getGridDimX() - 2) {
             continue;
         }
 
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