34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
|
/* Check stack alignment. PowerPC version.
|
||
|
Copyright (C) 2005-2022 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, see
|
||
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
||
|
#define TEST_STACK_ALIGN_INIT() \
|
||
|
({ \
|
||
|
/* Altivec __vector int etc. needs 16byte aligned stack. \
|
||
|
Instead of using altivec.h here, use aligned attribute instead. */ \
|
||
|
struct _S \
|
||
|
{ \
|
||
|
int _i __attribute__((aligned (16))); \
|
||
|
int _j[3]; \
|
||
|
} _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 }; \
|
||
|
printf ("__vector int: { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0], \
|
||
|
_s._j[1], _s._j[2], &_s, __alignof (_s)); \
|
||
|
is_aligned (&_s, __alignof (_s)); \
|
||
|
})
|
||
|
|
||
|
#include_next <tst-stack-align.h>
|