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04277e02 | 1 | /* Copyright (C) 2004-2019 Free Software Foundation, Inc. |
7d585303 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
7d585303 UD |
17 | |
18 | #include <stdio.h> | |
19 | #include <stdint.h> | |
20 | ||
21 | typedef struct { int i[4]; } int_al16 __attribute__((aligned (16))); | |
22 | ||
23 | #define TEST_STACK_ALIGN() \ | |
24 | ({ \ | |
25 | int_al16 _m; \ | |
26 | double _d = 12.0; \ | |
27 | long double _ld = 15.0; \ | |
28 | int _ret = 0; \ | |
29 | printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \ | |
30 | if ((((uintptr_t) &_m) & (__alignof (int_al16) - 1)) != 0) \ | |
31 | _ret = 1; \ | |
32 | \ | |
33 | printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \ | |
34 | if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \ | |
35 | _ret = 1; \ | |
36 | \ | |
37 | printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \ | |
38 | if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \ | |
39 | _ret = 1; \ | |
40 | _ret; \ | |
41 | }) |