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

   1 /* Disabling epilogues until we find a better way to deal with scans.  */
   2 /* { dg-additional-options "--param vect-epilogues-nomask=0 -fdump-tree-optimized-details-blocks" } */
   3 /* { dg-require-effective-target vect_int } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 128
   9
  10 struct tmp_struct
  11 {
  12   int x;
  13   int y[N];
  14 };
  15
  16 __attribute__ ((noinline))
  17 int main1 ()
  18 {
  19   int i, *q;
  20   struct tmp_struct tmp, *p;
  21
  22   p = &tmp;
  23   q = p->y;
  24
  25   for (i = 0; i < N; i++)
  26     {
  27       *q++ = 5;
  28     }
  29
  30   /* check results: */
  31 #pragma GCC novector
  32   for (i = 0; i < N; i++)
  33     {
  34       if (p->y[i] != 5)
  35         {
  36           abort ();
  37         }
  38     }
  39
  40   return 0;
  41 }
  42
  43 int main (void)
  44 {
  45   check_vect ();
  46
  47   return main1 ();
  48 }
  49
  50 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  51 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */
  52 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_element_align_preferred || { ! vect_align_stack_vars } } } } } */
  53 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */