gcc/testsuite/gcc.dg/vect/fast-math-vect-outer-7.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 float dvec[256];
   5
   6 void test1 (float x)
   7 {
   8   long i, j;
   9   for (i = 0; i < 256; ++i)
  10     for (j = 0; j < 131072; ++j)
  11       dvec[i] *= x;
  12 }
  13
  14 void test2 (float x)
  15 {
  16   long i, j;
  17   for (i = 0; i < 256; ++i)
  18     for (j = 0; j < 131072; ++j)
  19       dvec[i] *= 1.001f;
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 2 "vect" } } */