/* Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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 <stdio.h>

#include <stdint.h>

#define TEST_STACK_ALIGN() \

  ({									     \

    /* AMD64 ABI mandates 16byte aligned stack.				     \

       Unfortunately, current GCC doesn't support __int128 or __float128     \

       types, so use aligned attribute instead.  */			     \

    struct _S								     \

      {									     \

        int _i __attribute__((aligned (16)));				     \

	int _pad[3];							     \

      } _s = { ._i = 18 };						     \

    double _d = 12.0;							     \

    long double _ld = 15.0;						     \

    int _ret = 0;							     \

    printf ("__int128:  %d %p %zu\n", _s._i, &_s, __alignof (_s));	     \

    if ((((uintptr_t) &_s) & (__alignof (_s) - 1)) != 0)		     \

      _ret = 1;								     \

									     \

    printf ("double:  %g %p %zu\n", _d, &_d, __alignof (double));	     \

    if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0)		     \

      _ret = 1;								     \

									     \

    printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double));    \

    if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0)	     \

      _ret = 1;								     \

    _ret;								     \

    })