diff --git a/gcc.spec b/gcc.spec
index 34ab6d62aafccaf2ce7f8558d9ecd07f3baee317..fa81693c3013a1848554a644288a682e22a27c47 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 -j16
 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 -j16
+make -j16 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 -j16
+make -j16 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="$OPT_FLAGS"
@@ -753,6 +752,7 @@ CC="$CC" CFLAGS="$OPT_FLAGS" \
 	CFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	CXXFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	XCFLAGS="$OPT_FLAGS" TCFLAGS="$OPT_FLAGS" GCJFLAGS="$OPT_FLAGS" \
+        CFLAGS="$CFLAGS -param ggc-min-expand=0 -param ggc-min-heapsize=1024"
 	../configure --prefix=%{_prefix} --mandir=%{_mandir} --infodir=%{_infodir} \
          --enable-shared --enable-threads=posix --enable-checking=release \
          --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions \
@@ -3285,6 +3285,12 @@ 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
+
 * Wed Feb 03 2021 eastb233 <xiezhiheng@huawei.com> - 7.3.0-20210203.36
 - gcc.spec: Add libubsan, libubsan-static, liblsan, liblsan-static rpm packages