| 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
|
|---|
| 15 | License along with the GNU C Library; if not, write to the Free
|
|---|
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|---|
| 17 | 02111-1307 USA. */
|
|---|
| 18 |
|
|---|
| 19 | #include <stdio.h>
|
|---|
| 20 | #include <stdint.h>
|
|---|
| 21 |
|
|---|
| 22 | #define TEST_STACK_ALIGN() \
|
|---|
| 23 | ({ \
|
|---|
| 24 | /* Altivec __vector int etc. needs 16byte aligned stack. \
|
|---|
| 25 | Instead of using altivec.h here, use aligned attribute instead. */ \
|
|---|
| 26 | struct _S \
|
|---|
| 27 | { \
|
|---|
| 28 | int _i __attribute__((aligned (16))); \
|
|---|
| 29 | int _j[3]; \
|
|---|
| 30 | } _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 }; \
|
|---|
| 31 | double _d = 12.0; \
|
|---|
| 32 | long double _ld = 15.0; \
|
|---|
| 33 | int _ret = 0; \
|
|---|
| 34 | printf ("__vector int: { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0], \
|
|---|
| 35 | _s._j[1], _s._j[2], &_s, __alignof (_s)); \
|
|---|
| 36 | if ((((uintptr_t) &_s) & (__alignof (_s) - 1)) != 0) \
|
|---|
| 37 | _ret = 1; \
|
|---|
| 38 | \
|
|---|
| 39 | printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
|
|---|
| 40 | if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
|
|---|
| 41 | _ret = 1; \
|
|---|
| 42 | \
|
|---|
| 43 | printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \
|
|---|
| 44 | if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \
|
|---|
| 45 | _ret = 1; \
|
|---|
| 46 | _ret; \
|
|---|
| 47 | })
|
|---|
