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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [bitfld-4.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* { dg-do run { target { pcc_bitfield_type_matters || default_packed } } } */
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/* { dg-options "" } */
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/* Check bitfields and non-bitfields are aligned & sized similarly.
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   Copyright (C) 2002 Free Software Foundation Inc
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   Contributed by Nathan Sidwell <nathan@codesourcery.com>
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*/
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#include <limits.h>
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#include <stdio.h>
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static int fail;
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#define CHECK1(N, T) do { \
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  typedef struct Field_##N { char c; T f; } Field_##N; \
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  typedef struct BitField_##N { char c; T f : sizeof (T) * CHAR_BIT; } BitField_##N; \
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  if (sizeof (Field_##N) != sizeof (BitField_##N)) { \
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    fail = 1; printf ("sizeof %s failed\n", #T); \
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  } \
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  if (__alignof__ (Field_##N) != __alignof__ (BitField_##N)) { \
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    fail = 1; printf ("__alignof__ %s failed\n", #T); \
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  } \
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} while (0)
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#define CHECK(N, T) do { \
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  CHECK1(N, T); \
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  CHECK1 (s##N, signed T); \
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  CHECK1 (u##N, unsigned T); \
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} while (0)
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int main ()
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{
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  CHECK (c, char);
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  CHECK (s, short);
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  CHECK (i, int);
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  CHECK (l, long);
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  CHECK (ll, long long);
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  return fail;
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}

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