From 85ca003ae7174ac00857c9c75ddfd53589c4918e Mon Sep 17 00:00:00 2001
From: Chris Sidebottom <chris.sidebottom@arm.com>
Date: Mon, 29 Jul 2024 11:14:25 +0100
Subject: [PATCH] Add fallback compile options for A64FX target

---
 Makefile.arm64 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Makefile.arm64 b/Makefile.arm64
index 6ba63e94e..2c68d215f 100644
--- a/Makefile.arm64
+++ b/Makefile.arm64
@@ -276,12 +276,19 @@ endif
 endif
 endif
 
-ifeq (1, $(filter 1,$(GCCVERSIONGTEQ11) $(ISCLANG)))
 ifeq ($(CORE), A64FX)
+ifeq (1, $(filter 1,$(GCCVERSIONGTEQ10) $(ISCLANG)))
+ifeq (1, $(filter 1,$(GCCMINORVERSIONGTEQ3)))
 CCOMMON_OPT += -march=armv8.2-a+sve -mtune=a64fx
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.2-a+sve -mtune=a64fx
 endif
+else
+CCOMMON_OPT += -march=armv8.4-a+sve -mtune=neoverse-n1
+ifneq ($(F_COMPILER), NAG)
+FCOMMON_OPT += -march=armv8.4-a -mtune=neoverse-n1
+endif
+endif
 endif
 endif