From 87343d716a6b8837af5d98a5fa08dfd9d4c352dc Mon Sep 17 00:00:00 2001
From: d00573793 <dingguangya1@huawei.com>
Date: Tue, 20 Jun 2023 00:14:15 +0800
Subject: [PATCH] [Sync] Sync patch from openeuler/gcc

---
 ...utline-atomics-improves-libgomp-perf.patch | 34 +++++++++++++++++++
 gcc.spec                                      | 10 +++++-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 0102-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch

diff --git a/0102-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch b/0102-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch
new file mode 100644
index 0000000..019af78
--- /dev/null
+++ b/0102-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch
@@ -0,0 +1,34 @@
+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
+
diff --git a/gcc.spec b/gcc.spec
index 5974143..2302f66 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -61,7 +61,7 @@
 Summary: Various compilers (C, C++, Objective-C, ...)
 Name: gcc
 Version: %{gcc_version}
-Release: 35
+Release: 36
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
 URL: https://gcc.gnu.org
 
@@ -209,6 +209,7 @@ Patch98: 0098-AArch64-Rewrite-the-tsv110-option.patch
 Patch99: 0099-Struct-Reorg-Add-escape-propagate-on-external-functi.patch
 Patch100: 0100-PGO-kernel-Add-fkernel-pgo-option-to-support-PGO-ker.patch
 Patch101: 0101-To-resolve-the-SPEC-.548-fluctuation-problem-revert-.patch
+Patch102: 0102-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch
 
 %global gcc_target_platform %{_arch}-linux-gnu
 
@@ -763,6 +764,7 @@ not stable, so plugins must be rebuilt any time GCC is updated.
 %patch99 -p1
 %patch100 -p1
 %patch101 -p1
+%patch102 -p1
 
 %build
 
@@ -2787,6 +2789,12 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Mon Jun 19 2023 dingguangya <dingguangya1@huawei.com> - 10.3.1-36
+- Type:Spec
+- ID:NA
+- SUG:NA
+- DESC: Sync patch from openeuler/gcc
+
 * Wed Jun 14 2023 Wang Ding <wangding16@huawei.com> - 10.3.1-35
 - Type:Spec
 - ID:NA
-- 
Gitee