From 8aeb2d4d05f6c0ba949fa3fa85ea5ac75a7255c9 Mon Sep 17 00:00:00 2001
From: d00573793 <dingguangya1@huawei.com>
Date: Mon, 19 Jun 2023 23:56:49 +0800
Subject: [PATCH] [GOMP] Enabling moutline-atomics improves libgomp performance
 in multi-thread scenarios

Libgomp is used in multi-thread scenarios,
Enabling moutline-atomics improves performance.

diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt
index 4790a31e3..e5b558be0 100644
--- a/libgomp/configure.tgt
+++ b/libgomp/configure.tgt
@@ -30,6 +30,17 @@ if test $gcc_cv_have_tls = yes ; then
   esac
 fi
 
+# Enabling moutline-atomics improves libgomp performance in multi-thread scenarios.
+case "${target_cpu}" in
+  aarch64*)
+        case "${target}" in
+            aarch64*-*-linux*)
+                XCFLAGS="${XCFLAGS} -moutline-atomics"
+                ;;
+        esac
+        ;;
+esac
+
 # Since we require POSIX threads, assume a POSIX system by default.
 config_path="posix"
 
-- 
2.27.0.windows.1