1  /* { dg-do run { target vect_cmdline_needed } } */
       2  /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -fvect-cost-model=dynamic" } */
       3  /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -fvect-cost-model=dynamic -mno-sse" { target { i?86-*-* x86_64-*-* } } } */
       4  
       5  #include <stdlib.h>
       6  
       7  #define N 128
       8  
       9  #if __LONG_MAX__ == 2147483647
      10  typedef short half_word;
      11  #else
      12  typedef int half_word;
      13  #endif
      14  
      15  int main_1 (int n, int *p)
      16  {
      17    int i;
      18    half_word ib[N];
      19    half_word ia[N];
      20    int k;
      21  
      22    for (i = 0; i < N; i++)
      23      {
      24        ia[i] = n;
      25      }
      26  
      27    /* check results:  */
      28    for (i = 0; i < N; i++)
      29      {
      30        if (ia[i] != n)
      31          abort ();
      32      }
      33  
      34    k = *p;
      35    for (i = 0; i < N; i++)
      36      {
      37        ib[i] = k;
      38      }
      39  
      40    /* check results:  */
      41    for (i = 0; i < N; i++)
      42      {
      43        if (ib[i] != k)
      44          abort ();
      45      }
      46  
      47    return 0;
      48  }
      49  
      50  static volatile int n = 1;
      51  
      52  int main (void)
      53  {
      54    return main_1 (n + 2, (int *) &n);
      55  }
      56  
      57  /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { ! { avr-*-* msp430-*-* pru-*-* } } } } } */
      58  /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { ! { avr-*-* msp430-*-* pru-*-* } } } } } */