diff --git a/test/c_demo/README.md b/test/c_demo/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..5560fb8e65b761993f3f5d848c0fb1f217ecee6a
--- /dev/null
+++ b/test/c_demo/README.md
@@ -0,0 +1,30 @@
+```
+#
+# Copyright (C) [2020-2021] Futurewei Technologies, Inc. All rights reverved.
+#
+# Licensed under the Mulan Permissive Software License v2.
+# You can use this software according to the terms and conditions of the MulanPSL - 2.0.
+# You may obtain a copy of MulanPSL - 2.0 at:
+#
+#   https://opensource.org/licenses/MulanPSL-2.0
+#
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR
+# FIT FOR A PARTICULAR PURPOSE.
+# See the MulanPSL - 2.0 for more details.
+#
+```
+
+# Maple compiler for C Language
+
+#### 介绍
+example of Maple Compiler for C Language
+
+Besides maple compiler, included are processes using C front end tools:
+  1. whirl2mpl - Front end using Open64 Whirl IR.
+     source code is available at https://gitee.com/open64ark/open64ark
+
+#### 使用说明
+  run the following scripts for details
+
+  ./maple_aarch64_with_whirl2mpl.sh
diff --git a/test/c_demo/maple_aarch64_with_whirl2mpl.sh b/test/c_demo/maple_aarch64_with_whirl2mpl.sh
new file mode 100755
index 0000000000000000000000000000000000000000..19ef9620f05c094572d20f191270667125f11acb
--- /dev/null
+++ b/test/c_demo/maple_aarch64_with_whirl2mpl.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+# Copyright (C) [2020-2021] Futurewei Technologies, Inc. All rights reverved.
+#
+# Licensed under the Mulan Permissive Software License v2
+# You can use this software according to the terms and conditions of the MulanPSL - 2.0.
+# You may obtain a copy of MulanPSL - 2.0 at:
+#
+#   https://opensource.org/licenses/MulanPSL-2.0
+#
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR
+# FIT FOR A PARTICULAR PURPOSE.
+# See the MulanPSL - 2.0 for more details.
+#
+
+set -e
+
+[ -n "$MAPLE_ROOT" ] || { echo MAPLE_ROOT not set. Please source envsetup.sh.; exit 1; }
+
+CURRDIR=`pwd`
+WORKDIR=$CURRDIR/aarch64_use_whirl2mpl
+
+mkdir -p $WORKDIR
+cd $WORKDIR
+
+echo ======================================================================== > cmd.log
+echo ============= Use clangfe/whirl2mpl as C Frontend ======================= >> cmd.log
+echo ======================================================================== >> cmd.log
+echo cd $WORKDIR >> cmd.log
+
+if [ $# -eq 0 ]; then
+  src=printHuawei
+else
+  src=$1
+fi
+
+cp $CURRDIR/$src.c .
+
+V=$(cd /usr/lib/gcc-cross/aarch64-linux-gnu/; ls | head -1)
+FLAGS="-cc1 -emit-llvm -triple aarch64-linux-gnu -D__clang__ -D__BLOCKS__ -isystem /usr/aarch64-linux-gnu/include -isystem /usr/lib/gcc-cross/aarch64-linux-gnu/$V/include"
+echo $MAPLE_ROOT/tools/open64_prebuilt/x86/aarch64/bin/clangfe $FLAGS $src.c >> cmd.log
+$MAPLE_ROOT/tools/open64_prebuilt/x86/aarch64/bin/clangfe $FLAGS $src.c > doit.log 2>&1
+
+echo $MAPLE_ROOT/tools/open64_prebuilt/x86/aarch64/bin/whirl2mpl -a $src.B >> cmd.log
+$MAPLE_ROOT/tools/open64_prebuilt/x86/aarch64/bin/whirl2mpl -a $src.B >> doit.log 2>&1
+
+echo $MAPLE_EXECUTE_BIN/maple --run=mplcg --option=\"-O2 -quiet\" $src.mpl >> cmd.log
+$MAPLE_EXECUTE_BIN/maple --run=mplcg --option="-O2 -quiet" $src.mpl >> doit.log 2>&1
+
+echo /usr/bin/aarch64-linux-gnu-gcc-$V -o $src.out $src.s >> cmd.log
+/usr/bin/aarch64-linux-gnu-gcc-$V -o $src.out $src.s
+
+echo qemu-aarch64 -L /usr/aarch64-linux-gnu/ $src.out >> cmd.log
+qemu-aarch64 -L /usr/aarch64-linux-gnu/ $src.out > output.log
+
+if [ $# -eq 0 ]; then
+  cat cmd.log
+  cat output.log
+fi
diff --git a/test/c_demo/printHuawei.c b/test/c_demo/printHuawei.c
new file mode 100644
index 0000000000000000000000000000000000000000..f83d4c1fc8f62a8b453d5abb1eccafea9aadfa78
--- /dev/null
+++ b/test/c_demo/printHuawei.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) [2020] Futurewei Technologies, Inc. All rights reverved.
+ *
+ * Licensed under the Mulan Permissive Software License v2.
+ * You can use this software according to the terms and conditions of the MulanPSL - 2.0.
+ * You may obtain a copy of MulanPSL - 2.0 at:
+ *
+ *   https://opensource.org/licenses/MulanPSL-2.0
+ *
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR
+ * FIT FOR A PARTICULAR PURPOSE.
+ * See the MulanPSL - 2.0 for more details.
+ */
+
+#include <stdio.h>
+
+int main() {
+  int width = 142;
+  char *str = "\
+     F efifdfifkehfhfhfgnefb;efifdfifjghffhffgoefb; \
+     U efifdfifiigffhfffpefb;efifdfifiigfeiffeqefb; \
+     T efifdfifhkgeejeeegpfb;efifdfifhkgfdjdfefqfb; \
+     U efifdfifgfafffckdfdfrfb;eudfifgfafgeceafceesefb; \
+     R eudfifffcfffbebebfesefb;eudfifffcfffafbfaefsefb; \
+     E eudfifefefefaecfaefsefb;efifdfifeqfeaedeaeffrfb; \
+     W efifdfifdsekdkffrfb;efifdfifdsejfjfgqfb; \
+     E efifdfifcueifihfqfb;efifefgfdfifeifihhofb; \
+     I efifescfkfdhhhiqefb;efiffqdfkfdhhhjpefb; \
+       efifgodfmfdghgmnefb;efifikffmfdfjfolefb;";
+  putchar('\n');
+  char c;
+  int idx = 0;
+  int loc = 0;
+  while ((c = str[idx++])) {
+    char fillChar = (idx & 1) ? 'H' : ' ';
+    for(char b = 'a'; b <= c; b++) {
+      if (loc++ == width) {
+        loc = 0;
+        fillChar = '\n';
+      }
+      putchar(fillChar);
+    }
+  }
+  putchar('\n');
+  return 0;
+}
diff --git a/tools/setup_tools.sh b/tools/setup_tools.sh
index 2220f18fdedcdb2ce1390f3f792fad8a3fd7b1b6..87b8b3a9e8e1270875a0d17c99d8714083fe1dbf 100755
--- a/tools/setup_tools.sh
+++ b/tools/setup_tools.sh
@@ -156,3 +156,15 @@ if [ "$installQemu" == "true" ]; then
   sudo dpkg -i ./qemu-user_2.5+dfsg-5ubuntu10.48_amd64.deb || sudo apt install -f
   echo Installed qemu-aarch64
 fi
+
+if [ ! -f $TOOLS/open64_prebuilt/README.md ]; then
+  git clone https://gitee.com/open64ark/open64_prebuilt.git
+fi
+if [ ! -f $TOOLS/open64_prebuilt/x86/riscv64/bin/clangfe ]; then
+  cd $TOOLS/open64_prebuilt/x86
+  git pull
+  tar zxf open64ark-aarch64.tar.gz
+  tar zxf open64ark-riscv.tar.gz
+  mv riscv riscv64
+  echo Downloaded open64_prebuilt.
+fi