mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-16 10:00:12 +00:00
43 lines
1.7 KiB
C
43 lines
1.7 KiB
C
|
/* Copyright (C) 2004 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, write to the Free
|
||
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||
|
|
02111-1307 USA. */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
typedef struct { int i[4]; } int_al16 __attribute__((aligned (16)));
|
||
|
|
|
||
|
|
#define TEST_STACK_ALIGN() \
|
||
|
|
({ \
|
||
|
|
int_al16 _m; \
|
||
|
|
double _d = 12.0; \
|
||
|
|
long double _ld = 15.0; \
|
||
|
|
int _ret = 0; \
|
||
|
|
printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \
|
||
|
|
if ((((uintptr_t) &_m) & (__alignof (int_al16) - 1)) != 0) \
|
||
|
|
_ret = 1; \
|
||
|
|
\
|
||
|
|
printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
|
||
|
|
if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
|
||
|
|
_ret = 1; \
|
||
|
|
\
|
||
|
|
printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \
|
||
|
|
if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \
|
||
|
|
_ret = 1; \
|
||
|
|
_ret; \
|
||
|
|
})
|