gcc/testsuite/gcc.dg/vect/pr34195.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #define M 11
   5
   6 struct S
   7 {
   8   float x;
   9   float y;
  10 } pS[100];
  11
  12 float a[1000];
  13 float b[1000];
  14
  15 void
  16 foo (int n)
  17 {
  18   int i, j;
  19
  20   for (i = 0; i < n; i++)
  21     {
  22       pS[i].x = 0;
  23       pS[i].y = 0;
  24
  25       for (j = 0; j < M; j++)
  26         {
  27           pS[i].x += (a[i]+b[i]);
  28           pS[i].y += (a[i]-b[i]);
  29         }
  30     }
  31 }
  32
  33 /* { dg-final { scan-tree-dump "OUTER LOOP VECTORIZED" "vect" } } */