1  /* { dg-do compile }
       2  /* { dg-options "-msse2 -O2 -fno-tree-loop-distribute-patterns -ftree-vectorize -mtune=generic" } */
       3  
       4  #define N 256
       5  int b[N];
       6  
       7  void test()
       8  {  
       9    int i;
      10  
      11    for (i = 0; i < N; i++)
      12      b[i] = 0;
      13  }
      14  
      15  /* { dg-final { scan-assembler-times "pxor" 1 } } */