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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;
}
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