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1 | /* Copyright (C) 2005 Free Software Foundation, Inc. |
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/>. */ | |
be184b1d UD |
17 | |
18 | #include <stdio.h> | |
19 | #include <stdint.h> | |
20 | ||
21 | #define TEST_STACK_ALIGN() \ | |
22 | ({ \ | |
23 | /* Altivec __vector int etc. needs 16byte aligned stack. \ | |
24 | Instead of using altivec.h here, use aligned attribute instead. */ \ | |
25 | struct _S \ | |
26 | { \ | |
27 | int _i __attribute__((aligned (16))); \ | |
28 | int _j[3]; \ | |
29 | } _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 }; \ | |
30 | double _d = 12.0; \ | |
31 | long double _ld = 15.0; \ | |
32 | int _ret = 0; \ | |
33 | printf ("__vector int: { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0], \ | |
34 | _s._j[1], _s._j[2], &_s, __alignof (_s)); \ | |
35 | if ((((uintptr_t) &_s) & (__alignof (_s) - 1)) != 0) \ | |
36 | _ret = 1; \ | |
37 | \ | |
38 | printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \ | |
39 | if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \ | |
40 | _ret = 1; \ | |
41 | \ | |
42 | printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \ | |
43 | if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \ | |
44 | _ret = 1; \ | |
45 | _ret; \ | |
46 | }) |