gcc/testsuite/gcc.dg/vect/vect-11.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-require-effective-target vect_int_mult } */
   3 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 16
   9
  10 int ia[N];
  11 int ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  12 int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13
  14 __attribute__ ((noinline))
  15 int main1 ()
  16 {
  17   int i;
  18
  19   /* Not vectorizable yet (integer mult).  */
  20   for (i = 0; i < N; i++)
  21     {
  22       ia[i] = ib[i] * ic[i];
  23     }
  24
  25   /* check results:  */
  26 #pragma GCC novector
  27   for (i = 0; i < N; i++)
  28     {
  29       if (ia[i] != ib[i] * ic[i])
  30         abort ();
  31     }
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   check_vect ();
  39
  40   return main1 ();
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  44 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */