1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  /* volatile references should not produce load pair. */
       4  /* { dg-final { scan-assembler-not "ldp\t" } } */
       5  
       6  int f0(volatile int *a)
       7  {
       8    int b = a[0];
       9    int c = a[1];
      10    return b + c;
      11  }
      12  
      13  int f1(volatile int *a)
      14  {
      15    int b = a[1];
      16    int c = a[0];
      17    return b + c;
      18  }
      19  
      20  int f2(volatile int *a)
      21  {
      22    int b = a[1];
      23    int c = a[2];
      24    return b + c;
      25  }
      26  
      27  int f3(volatile int *a)
      28  {
      29    int b = a[2];
      30    int c = a[1];
      31    return b + c;
      32  }
      33  
      34  int f4(volatile int *a)
      35  {
      36    int b = a[2];
      37    int c = a[3];
      38    return b + c;
      39  }
      40  
      41  int f5(volatile int *a)
      42  {
      43    int b = a[3];
      44    int c = a[2];
      45    return b + c;
      46  }