gcc/testsuite/gcc.dg/vect/pr48052.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int_mult } */
   3
   4 int foo(int* A, int* B,  unsigned start, unsigned BS)
   5 {
   6   int s = 0;
   7   for (unsigned k = start;  k < start + BS; k++)
   8     {
   9       s += A[k] * B[k];
  10     }
  11
  12   return s;
  13 }
  14
  15 int bar(int* A, int* B, unsigned BS)
  16 {
  17   int s = 0;
  18   for (unsigned k = 0;  k < BS; k++)
  19     {
  20       s += A[k] * B[k];
  21     }
  22
  23   return s;
  24 }
  25
  26 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */