1  /* PR tree-optimization/82374 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-vect-details" } */
       4  /* { dg-additional-options "-mavx -mno-avx2" { target i?86-*-* x86_64-*-* } } */
       5  /* { dg-additional-options "-mvsx" { target powerpc_vsx_ok } } */
       6  
       7  #define SIZE (1024 * 1024)
       8  
       9  float a[SIZE];
      10  float b[SIZE];
      11  float c[SIZE];
      12  float d[SIZE];
      13  
      14  __attribute__((optimize ("O2", "tree-vectorize"))) void
      15  foo (void)
      16  {
      17    int i;
      18  #pragma omp parallel for
      19    for (i = 0; i < SIZE; i++)
      20      c[i] = a[i] + b[i];
      21  }
      22  
      23  __attribute__((optimize ("O2", "tree-vectorize"))) void
      24  bar (void)
      25  {
      26    int i;
      27    for (i = 0; i < SIZE; i++)
      28      d[i] = a[i] + b[i];
      29  }
      30  
      31  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target { { i?86-*-* x86_64-*-* } || { powerpc_vsx_ok } } } } } */