[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/math/test-fpucw.c b/ap/libc/glibc/glibc-2.23/math/test-fpucw.c
new file mode 100644
index 0000000..0ea5896
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/math/test-fpucw.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2000-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fpu_control.h>
+#include <stdio.h>
+
+#ifndef FPU_CONTROL
+# define FPU_CONTROL _FPU_DEFAULT
+#endif
+
+static int
+do_test (void)
+{
+#ifdef _FPU_GETCW
+/* Some architectures don't have _FPU_GETCW (e.g. Linux/Alpha).  */
+  fpu_control_t cw;
+
+  _FPU_GETCW (cw);
+
+  cw &= ~_FPU_RESERVED;
+
+  if (cw != (FPU_CONTROL & ~_FPU_RESERVED))
+    printf ("control word is 0x%lx but should be 0x%lx.\n",
+	    (long int) cw, (long int) (FPU_CONTROL & ~_FPU_RESERVED));
+
+  return cw != (FPU_CONTROL & ~_FPU_RESERVED);
+
+#else
+  return 0;
+#endif
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"