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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
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