[AutoBOLT] Backport and apply AutoBOLT from openEuler GCC 10.3.1

Add option -fbolt-use for perform bolt optimization.
Add option -fbolt-target to specify bolt optimization target.
Add option -fbolt-option to specify bolt optimization options.
Enable the BOLT linker plugin on aarch64 when configured
with --enable-bolt.

gcc.spec

@@ -41,7 +41,7 @@ Version: 7.3.0
 # number 2020033101 meaning the openEuler 20.03 release date plus 01 to
 # replace DATE and will never change it in the future.
 %global openEulerDATE 2020033101
-Release: %{openEulerDATE}.49
+Release: %{openEulerDATE}.50
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
 Group: Development/Languages
 #Source0: hcc-aarch64-linux-release.tar.bz2
@@ -96,6 +96,8 @@ Patch39: fix-PR83666-punt-BLKmode-when-expand_debug_expr.patch
 Patch40: fix-AArch64-128-bit-immediate-ICEs.patch
 Patch41: PR-c-83227-C-17-ICE-with-init-list-derived.patch
 Patch42: Remove-_GLIBCXX_USE_INT128-autoconf-macro.patch
+Patch43: Add-bolt-linker-plugin.patch
+Patch44: Enable-BOLT-linker-plugin-on-aarch64.patch
 
 #AutoReqProv:    off
 AutoReq: true
@@ -582,6 +584,8 @@ package or when debugging this package.
 %patch40 -p1
 %patch41 -p1
 %patch42 -p1
+%patch43 -p1
+%patch44 -p1
 
 %if 0%{?_enable_debug_packages}
 cat > split-debuginfo.sh <<\EOF
@@ -805,6 +809,7 @@ CC="$CC" CFLAGS="$OPT_FLAGS" \
         --disable-multilib
 %endif
 %ifarch aarch64
+	 --enable-bolt \
 %if %{build_libilp32}
 	 --with-multilib-list=lp64,ilp32
 %else
@@ -2080,6 +2085,9 @@ fi
 %{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/lto1
 %{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/lto-wrapper
 %{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/liblto_plugin.so*
+%ifarch aarch64
+%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/libbolt_plugin.so*
+%endif
 %{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/rpmver
 %{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/include/stddef.h
 %{_prefix}/lib/gcc/%{gcc_target_platform}/%{gcc_version}/include/stdarg.h
@@ -3338,6 +3346,11 @@ fi
 
 
 %changelog
+* Tue Oct 11 2022 liyancheng <412998149@qq.com> - 7.3.0-2020033101.50
+- Add-bolt-linker-plugin.patch: New file
+- Enable-BOLT-linker-plugin-on-aarch64.patch: New file
+- gcc.spec: Add new patches, enable bolt plugin on aarch64.
+
 * Wed Apr 20 2022 benniaobufeijiushiji <linda7@huawei.com> - 7.3.0-2020033101.49
 - gcc.spec: Bugfix for removing Date in release version, use a const number instead.