| 1 | /* Copyright (C) 2004 Free Software Foundation, Inc.
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| 2 | This file is part of the GNU C Library.
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| 3 |
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| 4 | The GNU C Library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU Lesser General Public
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| 6 | License as published by the Free Software Foundation; either
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| 7 | version 2.1 of the License, or (at your option) any later version.
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| 8 |
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| 9 | The GNU C Library is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public
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| 15 | License along with the GNU C Library; if not, write to the Free
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| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 17 | 02111-1307 USA. */
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| 18 |
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| 19 | #include <stdio.h>
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| 20 | #include <stdint.h>
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| 21 |
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| 22 | typedef struct { int i[4]; } int_al16 __attribute__((aligned (16)));
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| 23 |
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| 24 | #define TEST_STACK_ALIGN() \
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| 25 | ({ \
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| 26 | int_al16 _m; \
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| 27 | double _d = 12.0; \
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| 28 | long double _ld = 15.0; \
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| 29 | int _ret = 0; \
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| 30 | printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \
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| 31 | if ((((uintptr_t) &_m) & (__alignof (int_al16) - 1)) != 0) \
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| 32 | _ret = 1; \
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| 33 | \
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| 34 | printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
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| 35 | if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
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| 36 | _ret = 1; \
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| 37 | \
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| 38 | printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \
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| 39 | if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \
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| 40 | _ret = 1; \
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| 41 | _ret; \
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| 42 | })
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