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/* { dg-do run } */

/* { dg-require-effective-target stdint_types } */

/* { dg-options "-Wall" } */

#include <stdint.h>

#define MAKE_FUN(suffix, type)                                          \

  type my_bswap##suffix(type x) {                                       \

    type result = 0;                                                     \

    int shift;                                                          \

    for (shift = 0; shift < 8 * sizeof (type); shift += 8)       \

      {                                                                 \

        result <<= 8;                                                   \

        result |= (x >> shift) & 0xff;                                  \

      }                                                                 \

    return result;                                                      \

  }                                                                     \

MAKE_FUN(32, uint32_t);

MAKE_FUN(64, uint64_t);

extern void abort (void);

#define NUMS32                                  \

  {                                             \

    0x00000000UL,                               \

    0x11223344UL,                               \

    0xffffffffUL,                               \

  }

#define NUMS64                                  \

  {                                             \

    0x0000000000000000ULL,                      \

    0x1122334455667788ULL,                      \

    0xffffffffffffffffULL,                      \

  }

uint32_t uint32_ts[] =

  NUMS32;

uint64_t uint64_ts[] =

  NUMS64;

#define N(table) (sizeof (table) / sizeof (table[0]))

int

main (void)

{

  int i;

  for (i = 0; i < N(uint32_ts); i++)

    if (__builtin_bswap32 (uint32_ts[i]) != my_bswap32 (uint32_ts[i]))

      abort ();

  for (i = 0; i < N(uint64_ts); i++)

    if (__builtin_bswap64 (uint64_ts[i]) != my_bswap64 (uint64_ts[i]))

      abort ();

  return 0;

}