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Diffstat (limited to 'tests/test-stdalign.c')
-rw-r--r-- | tests/test-stdalign.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/tests/test-stdalign.c b/tests/test-stdalign.c deleted file mode 100644 index a9355545..00000000 --- a/tests/test-stdalign.c +++ /dev/null @@ -1,99 +0,0 @@ -/* Test of <stdalign.h>. - Copyright 2009-2022 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <https://www.gnu.org/licenses/>. */ - -/* Written by Paul Eggert, inspired by Bruno Haible's test-alignof.c. */ - -#include <config.h> - -#include <stddef.h> -#include <stdint.h> - -#include "macros.h" - -typedef long double longdouble; -typedef struct { char a[1]; } struct1; -typedef struct { char a[2]; } struct2; -typedef struct { char a[3]; } struct3; -typedef struct { char a[4]; } struct4; - -#if (202311 <= __STDC_VERSION__ || __alignas_is_defined \ - || 201103 <= __cplusplus) -/* mingw can go up only to 8. 8 is all that GNU Emacs needs, so let's - limit the test to 8 for now. */ -# define TEST_ALIGNMENT 8 -#else -# define alignas(alignment) -# define TEST_ALIGNMENT 1 -#endif - -#define CHECK_STATIC(type) \ - typedef struct { char slot1; type slot2; } type##_helper; \ - static_assert (alignof (type) == offsetof (type##_helper, slot2)); \ - const int type##_alignment = alignof (type); \ - type alignas (TEST_ALIGNMENT) static_##type##_alignas - -#define CHECK_ALIGNED(var) ASSERT ((uintptr_t) &(var) % TEST_ALIGNMENT == 0) - -CHECK_STATIC (char); -CHECK_STATIC (short); -CHECK_STATIC (int); -CHECK_STATIC (long); -#ifdef INT64_MAX -CHECK_STATIC (int64_t); -#endif -CHECK_STATIC (float); -CHECK_STATIC (double); -/* CHECK_STATIC (longdouble); */ -CHECK_STATIC (struct1); -CHECK_STATIC (struct2); -CHECK_STATIC (struct3); -CHECK_STATIC (struct4); - -int -main () -{ -#if defined __SUNPRO_C && __SUNPRO_C < 0x5150 - /* Avoid a test failure due to Sun Studio Developer Bug Report #2125432. */ - fputs ("Skipping test: known Sun C compiler bug\n", stderr); - return 77; -#elif defined __HP_cc && __ia64 - /* Avoid a test failure due to HP-UX Itanium cc bug; see: - https://lists.gnu.org/r/bug-gnulib/2017-03/msg00078.html */ - fputs ("Skipping test: known HP-UX Itanium cc compiler bug\n", stderr); - return 77; -#elif defined __clang__ && defined __ibmxl__ - /* Avoid a test failure with IBM xlc 16.1. It ignores alignas (8), - _Alignas (8), and __attribute__ ((__aligned__ (8))). */ - fputs ("Skipping test: known AIX XL C compiler deficiency\n", stderr); - return 77; -#else - CHECK_ALIGNED (static_char_alignas); - CHECK_ALIGNED (static_short_alignas); - CHECK_ALIGNED (static_int_alignas); - CHECK_ALIGNED (static_long_alignas); -# ifdef INT64_MAX - CHECK_ALIGNED (static_int64_t_alignas); -# endif - CHECK_ALIGNED (static_float_alignas); - CHECK_ALIGNED (static_double_alignas); - /* CHECK_ALIGNED (static_longdouble_alignas); */ - CHECK_ALIGNED (static_struct1_alignas); - CHECK_ALIGNED (static_struct2_alignas); - CHECK_ALIGNED (static_struct3_alignas); - CHECK_ALIGNED (static_struct4_alignas); - return 0; -#endif -} |