1  /* PR tree-optimization/63341 */
       2  
       3  #include "tree-vect.h"
       4  
       5  typedef union U { unsigned short s; unsigned char c; } __attribute__((packed)) U;
       6  struct S { char e __attribute__((aligned (64))); U s[32]; };
       7  struct S t = {0, {{0x5010}, {0x5111}, {0x5212}, {0x5313}, {0x5414}, {0x5515}, {0x5616}, {0x5717},
       8  		  {0x5818}, {0x5919}, {0x5a1a}, {0x5b1b}, {0x5c1c}, {0x5d1d}, {0x5e1e}, {0x5f1f},
       9  		  {0x6020}, {0x6121}, {0x6222}, {0x6323}, {0x6424}, {0x6525}, {0x6626}, {0x6727},
      10  		  {0x6828}, {0x6929}, {0x6a2a}, {0x6b2b}, {0x6c2c}, {0x6d2d}, {0x6e2e}, {0x6f2f}}};
      11  unsigned short d[32] = { 1 };
      12  
      13  __attribute__((noinline, noclone)) void
      14  foo ()
      15  {
      16    int i;
      17    for (i = 0; i < 32; i++)
      18      d[i] = t.s[i].s + 4;
      19    for (i = 0; i < 32; i++)
      20      if (d[i] != t.s[i].s + 4)
      21        abort ();
      22      else
      23        asm volatile ("" : : : "memory");
      24  }
      25  
      26  int
      27  main ()
      28  {
      29    check_vect ();
      30    foo ();
      31    return 0;
      32  }
      33