From 1d00deee671de8b23a5975f67ce61f294dc4eea8 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 28 Aug 2022 22:27:33 +0200
Subject: [PATCH] try disabling the GCC12+ tree vectorizer

---
 Makefile.x86_64 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile.x86_64 b/Makefile.x86_64
index f14a8a8ff..795813d92 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -163,6 +163,8 @@ endif
 endif
 
 
+FCOMMON_OPT += -fno-tree-vectorize
+
 ifeq ($(OSNAME), Interix)
 ARFLAGS		= -m x64
 endif