gcc/testsuite/gcc.dg/vect/vect-89.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #if VECTOR_BITS > 256
   7 #define N (VECTOR_BITS * 2 / 32)
   8 #else
   9 #define N 16
  10 #endif
  11
  12 struct tmp_struct
  13 {
  14   int x;
  15   int y[N];
  16 };
  17
  18 __attribute__ ((noinline))
  19 int main1 ()
  20 {
  21   int i, *q;
  22   struct tmp_struct tmp, *p;
  23
  24   p = &tmp;
  25   q = p->y;
  26
  27   for (i = 0; i < N; i++)
  28     {
  29       *q++ = 5;
  30     }
  31
  32   /* check results: */
  33   for (i = 0; i < N; i++)
  34     {
  35       if (p->y[i] != 5)
  36         {
  37           abort ();
  38         }
  39     }
  40
  41   return 0;
  42 }
  43
  44 int main (void)
  45 {
  46   check_vect ();
  47
  48   return main1 ();
  49 }
  50
  51 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  52 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */
  53 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_element_align_preferred || { ! vect_align_stack_vars } } } } } */