1  /* PR tree-optimization/65369 */
       2  #include <stdint.h>
       3  
       4  static const char data[] =
       5    "12345678901234567890123456789012345678901234567890"
       6    "123456789012345678901234567890";
       7  
       8  __attribute__ ((noinline))
       9  static void foo (const unsigned int *buf)
      10  {
      11    if (__builtin_memcmp (buf, data, 64))
      12      __builtin_abort ();
      13  }
      14  
      15  __attribute__ ((noinline))
      16  static void bar (const unsigned char *block)
      17  {
      18    uint32_t buf[16];
      19    __builtin_memcpy (buf +  0, block +  0, 4);
      20    __builtin_memcpy (buf +  1, block +  4, 4);
      21    __builtin_memcpy (buf +  2, block +  8, 4);
      22    __builtin_memcpy (buf +  3, block + 12, 4);
      23    __builtin_memcpy (buf +  4, block + 16, 4);
      24    __builtin_memcpy (buf +  5, block + 20, 4);
      25    __builtin_memcpy (buf +  6, block + 24, 4);
      26    __builtin_memcpy (buf +  7, block + 28, 4);
      27    __builtin_memcpy (buf +  8, block + 32, 4);
      28    __builtin_memcpy (buf +  9, block + 36, 4);
      29    __builtin_memcpy (buf + 10, block + 40, 4);
      30    __builtin_memcpy (buf + 11, block + 44, 4);
      31    __builtin_memcpy (buf + 12, block + 48, 4);
      32    __builtin_memcpy (buf + 13, block + 52, 4);
      33    __builtin_memcpy (buf + 14, block + 56, 4);
      34    __builtin_memcpy (buf + 15, block + 60, 4);
      35    foo (buf);
      36  }
      37  
      38  int
      39  main ()
      40  {
      41    unsigned char input[sizeof data + 16] __attribute__((aligned (16)));
      42    __builtin_memset (input, 0, sizeof input);
      43    __builtin_memcpy (input + 1, data, sizeof data);
      44    bar (input + 1);
      45    return 0;
      46  }