diff --git a/gcc.spec b/gcc.spec
index 34ab6d62aafccaf2ce7f8558d9ecd07f3baee317..85f181e74006cc2440ac0d91f2021c81bfa6e5b1 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -37,7 +37,7 @@
 Summary: Various compilers (C, C++, Objective-C, Java, ...)
 Name: gcc
 Version: 7.3.0
-Release: %{DATE}.36
+Release: %{DATE}.37
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
 Group: Development/Languages
 #Source0: hcc-aarch64-linux-release.tar.bz2
@@ -614,7 +614,7 @@ export GCJ_PROPERTIES=jdt.compiler.useSingleThread=true
 mkdir fastjar-%{fastjar_ver}/obj-%{gcc_target_platform}
 cd fastjar-%{fastjar_ver}/obj-%{gcc_target_platform}
 ../configure CFLAGS="%{optflags}" --prefix=%{_prefix} --mandir=%{_mandir} --infodir=%{_infodir}
-make -j100
+make %{?_smp_mflags}
 export PATH=`pwd`${PATH:+:$PATH}
 cd ../../
 %endif
@@ -663,8 +663,8 @@ cd isl-build
 ../../isl-%{isl_version}/configure --disable-shared \
   CC=/usr/bin/gcc CXX=/usr/bin/g++ \
   CFLAGS="${CFLAGS:-%optflags} $ISL_FLAG_PIC" --prefix=`cd ..; pwd`/isl-install
-make -j100
-make -j100 install
+make %{?_smp_mflags}
+make %{?_smp_mflags} install
 cd ..
 
 mkdir cloog-build cloog-install
@@ -685,8 +685,8 @@ cd -
    --prefix=`cd ..; pwd`/cloog-install
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-make -j100
-make -j100 install
+make %{?_smp_mflags} 
+make %{?_smp_mflags} install
 cd ../cloog-install/lib
 ln -sf libcloog-isl.so.4 libcloog-isl.so
 ln -sf libcloog-isl.so.4 libcloog.so
@@ -695,8 +695,7 @@ cd ../..
 #test don't build
 %if 1 
 CC=gcc
-OPT_FLAGS=`echo %{optflags}|sed -e 's/\(-Wp,\)\?-D_FORTIFY_SOURCE=[12]//g'`
-OPT_FLAGS=`echo $OPT_FLAGS|sed -e 's/-m64//g;s/-m32//g;s/-m31//g'`
+OPT_FLAGS=`echo ${optflags}|sed -e 's/-m64//g;s/-m32//g;s/-m31//g'`
 OPT_FLAGS=`echo $OPT_FLAGS|sed -e 's/-mfpmath=sse/-mfpmath=sse -msse2/g'`
 OPT_FLAGS=`echo $OPT_FLAGS|sed -e 's/-Werror=format-security/ /g'`
 OPT_FLAGS=`echo $OPT_FLAGS|sed -e 's/ -pipe / /g'`
@@ -742,7 +741,7 @@ enablelada=,ada
 %if %{build_go}
 enablelgo=,go
 %endif
-OPT_FLAGS="$OPT_FLAGS -fPIE -Wl,-z,relro,-z,now"
+OPT_FLAGS="$OPT_FLAGS -O2  -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -fPIE -Wl,-z,relro,-z,now"
 OPT_LDFLAGS="$OPT_LDFLAGS -Wl,-z,relro,-z,now"
 export extra_ldflags_libobjc="-Wl,-z,relro,-z,now"
 export FCFLAGS="$OPT_FLAGS"
@@ -792,7 +791,7 @@ perl -pi -e 's/head3/head2/' ../contrib/texi2pod.pl
 for i in ../gcc/doc/*.texi; do
   cp -a $i $i.orig; sed 's/ftable/table/' $i.orig > $i
 done
-make -j100 -C gcc generated-manpages
+make %{?_smp_mflags} -C gcc generated-manpages
 for i in ../gcc/doc/*.texi; do mv -f $i.orig $i; done
 
 # Make generated doxygen pages.
@@ -886,12 +885,12 @@ export PATH=`pwd`/java_hacks${PATH:+:$PATH}
 TARGET_PLATFORM=%{gcc_target_platform}
 
 # There are some MP bugs in libstdc++ Makefiles
-make -j100 -C %{gcc_target_platform}/libstdc++-v3
+make %{?_smp_mflags} -C %{gcc_target_platform}/libstdc++-v3
 
-make -j100 prefix=%{buildroot}%{_prefix} mandir=%{buildroot}%{_mandir} \
+make %{?_smp_mflags} prefix=%{buildroot}%{_prefix} mandir=%{buildroot}%{_mandir} \
   infodir=%{buildroot}%{_infodir} install
 %if %{build_java}
-make -j100 DESTDIR=%{buildroot} -C %{gcc_target_platform}/libjava install-src.zip
+make %{?_smp_mflags} DESTDIR=%{buildroot} -C %{gcc_target_platform}/libjava install-src.zip
 %endif
 %if %{build_ada}
 chmod 644 %{buildroot}%{_infodir}/gnat*
@@ -1082,7 +1081,7 @@ fi
 
 %if %{build_java}
 pushd ../fastjar-%{fastjar_ver}/obj-%{gcc_target_platform}
-make -j100 install DESTDIR=%{buildroot}
+make %{?_smp_mflags} install DESTDIR=%{buildroot}
 popd
 
 if [ "%{_lib}" != "lib" ]; then
@@ -3285,6 +3284,12 @@ fi
 
 
 %changelog
+* Wed Mar 17 2021 tianwei <tianwei12@huawei.com> - 7.3.0-20210203.37
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add SP and FS for x86, replace -j100 with %{?_smp_mflags}
+
 * Wed Feb 03 2021 eastb233 <xiezhiheng@huawei.com> - 7.3.0-20210203.36
 - gcc.spec: Add libubsan, libubsan-static, liblsan, liblsan-static rpm packages