gcc/testsuite/gcc.dg/vect/vect-4.c

   1 /* { dg-require-effective-target vect_float } */
   2 /* { dg-add-options bind_pic_locally } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 20
   8
   9 float a[N];
  10 float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  11 float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  12
  13 __attribute__ ((noinline)) int
  14 main1 ()
  15 {
  16   int i;
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       a[i] = b[i] * c[i];
  21     }
  22
  23   /* check results:  */
  24   for (i = 0; i <N; i++)
  25     {
  26       if (a[i] != b[i] * c[i])
  27         abort ();
  28     }
  29
  30   return 0;
  31 }
  32
  33 int main (void)
  34 {
  35   check_vect ();
  36
  37   return main1 ();
  38 }
  39
  40 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  41 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */