gcc/testsuite/gcc.dg/vect/vect-108.c

   1 /* { dg-require-effective-target vect_int_mult } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 int ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
   9 int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  10 int ia[N];
  11
  12 __attribute__ ((noinline)) int
  13 main1 (void)
  14 {
  15   int i;
  16
  17   /* This loop is vectorized on platforms that support vect_int_mult.  */
  18   for (i = 0; i < N; i++)
  19     {
  20       ia[i] = ib[i] * ic[i];
  21     }
  22
  23   /* Check results.  */
  24   for (i = 0; i < N; i++)
  25     {
  26       if (ia[i] != ib[i] * ic[i])
  27         abort ();
  28     }
  29
  30   return 0;
  31 }
  32
  33 int main (void)
  34 {
  35   check_vect ();
  36   return main1 ();
  37 }
  38
  39 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  40