Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/bitfld-4.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run { target { pcc_bitfield_type_matters || default_packed } } } */ /* { dg-options "" } */ /* Check bitfields and non-bitfields are aligned & sized similarly. Copyright (C) 2002 Free Software Foundation Inc Contributed by Nathan Sidwell <nathan@codesourcery.com> */ #include <limits.h> #include <stdio.h> static int fail; #define CHECK1(N, T) do { \ typedef struct Field_##N { char c; T f; } Field_##N; \ typedef struct BitField_##N { char c; T f : sizeof (T) * CHAR_BIT; } BitField_##N; \ if (sizeof (Field_##N) != sizeof (BitField_##N)) { \ fail = 1; printf ("sizeof %s failed\n", #T); \ } \ if (__alignof__ (Field_##N) != __alignof__ (BitField_##N)) { \ fail = 1; printf ("__alignof__ %s failed\n", #T); \ } \ } while (0) #define CHECK(N, T) do { \ CHECK1(N, T); \ CHECK1 (s##N, signed T); \ CHECK1 (u##N, unsigned T); \ } while (0) int main () { CHECK (c, char); CHECK (s, short); CHECK (i, int); CHECK (l, long); CHECK (ll, long long); return fail; }