1 /* Check stack alignment. PowerPC version. 2 Copyright (C) 2005-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #define TEST_STACK_ALIGN_INIT() \ 20 ({ \ 21 /* Altivec __vector int etc. needs 16byte aligned stack. \ 22 Instead of using altivec.h here, use aligned attribute instead. */ \ 23 struct _S \ 24 { \ 25 int _i __attribute__((aligned (16))); \ 26 int _j[3]; \ 27 } _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 }; \ 28 printf ("__vector int: { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0], \ 29 _s._j[1], _s._j[2], &_s, __alignof (_s)); \ 30 is_aligned (&_s, __alignof (_s)); \ 31 }) 32 33 #include_next <tst-stack-align.h> 34