gnu/dist/gcc4/gcc/testsuite/gcc.dg/vect/vect-4.c

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