| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2005-2015 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 |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 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 | }) |