POWER6/7 optimizations for copysign
[glibc.git] / sysdeps / powerpc / tst-stack-align.h
blob99a0ffcef7df5fb44e827ae9b5414103da78dd26
1 /* Copyright (C) 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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. */
19 #include <stdio.h>
20 #include <stdint.h>
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; \
39 printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
40 if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
41 _ret = 1; \
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; \