From c5a2d79c365f6ab64518727d650db6d2dd8d7363 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 12 Jul 2023 23:51:48 +0200
Subject: [PATCH] do not use mtune=thunderx3t110 with Clang

---
 Makefile.arm64 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile.arm64 b/Makefile.arm64
index 35e6f8250..1b10446f7 100644
--- a/Makefile.arm64
+++ b/Makefile.arm64
@@ -202,7 +202,12 @@ endif
 
 ifeq ($(CORE), THUNDERX3T110)
 ifeq (1, $(filter 1,$(GCCVERSIONGTEQ10) $(ISCLANG)))
-CCOMMON_OPT += -march=armv8.3-a -mtune=thunderx3t110
+CCOMMON_OPT += -march=armv8.3-a 
+ifeq (0, $(ISCLANG))
+CCOMMON_OPT += -mtune=thunderx3t110
+else
+CCOMMON_OPT += -mtune=thunderx2t99
+endif
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.3-a -mtune=thunderx3t110
 endif