gcc/testsuite/gcc.dg/vect/pr25413.c

   1 /* { dg-require-effective-target vect_double } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 8
   7
   8 struct
   9 {
  10   char c;
  11   double d[N];
  12 } a;
  13
  14 __attribute__ ((noinline))
  15 int main1()
  16 {
  17   int i;
  18   for ( i=0; i<N; ++i )
  19     a.d[i]=1;
  20   return 0;
  21 }
  22
  23 int main (void)
  24 {
  25   int i;
  26   check_vect ();
  27
  28   main1 ();
  29   for (i=0; i<N; i++)
  30     if (a.d[i] != 1)
  31       abort ();
  32   return 0;
  33 }
  34
  35 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vector_alignment_reachable_for_64bit } } } */
  36 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vector_alignment_reachable_for_64bit } } } } */
  37 /* { dg-final { scan-tree-dump-times "vector alignment may not be reachable" 1 "vect" { target { ! vector_alignment_reachable_for_64bit } } } } */
  38 /* { dg-final { scan-tree-dump-times "not vectorized: unsupported unaligned store" 1 "vect" { target { ! vector_alignment_reachable_for_64bit } } } } */
  39 /* { dg-final { cleanup-tree-dump "vect" } } */