1  /* { dg-do run } */
       2  /* { dg-options "-Os" } */
       3  #include <stdint.h>
       4  #include <stdlib.h>
       5  
       6  
       7  char do_reverse_endian = 0;
       8  
       9  #  define my_bswap_32(x) \
      10    ((((x) & 0xff000000) >> 24) | \
      11     (((x) & 0x00ff0000) >>  8) | \
      12     (((x) & 0x0000ff00) <<  8) | \
      13     (((x) & 0x000000ff) << 24))
      14  
      15  #define EGET(X) \
      16    (__extension__ ({ \
      17        uint64_t __res; \
      18        if (!do_reverse_endian) {    __res = (X); \
      19        } else if (sizeof(X) == 4) { __res = my_bswap_32((X)); \
      20        } \
      21        __res; \
      22      }))
      23  
      24  void __attribute__((noinline)) X(char **phdr, char **data, int *phoff)
      25  {
      26    *phdr = *data + EGET(*phoff);
      27  }
      28  
      29  int main()
      30  {
      31    char *phdr;
      32    char *data = (char *)0x40164000;
      33    int phoff = 0x34;
      34    X(&phdr, &data, &phoff);
      35    if (phdr != (char *)0x40164034)
      36      abort ();
      37    exit (0);
      38  }