From 43c2b0eb5594bbcb0c48882965a6d655b0f99bc5 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 23 Dec 2018 17:16:43 +0100
Subject: [PATCH] Add -mavx2 to TARGET=HASWELL builds

to leverage improvements from PR#1921
---
 Makefile.x86_64 | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Makefile.x86_64 b/Makefile.x86_64
index dbee28079..1b7fe3ef4 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -25,6 +25,17 @@ endif
 endif
 endif
 
+ifeq ($(CORE), HASWELL)
+ifndef DYNAMIC_ARCH
+ifndef NO_AVX2
+CCOMMON_OPT += -mavx2
+FCOMMON_OPT += -mavx2
+endif
+endif
+endif
+
+
+
 ifeq ($(OSNAME), Interix)
 ARFLAGS		= -m x64
 endif