gcc/testsuite/gcc.dg/vect/vect-26.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 /* unaligned store.  */
  11
  12 __attribute__ ((noinline))
  13 int main1 ()
  14 {
  15   int i;
  16   int ia[N+1];
  17
  18   for (i = 1; i <= N; i++)
  19     {
  20       ia[i] = 5;
  21     }
  22
  23   /* check results:  */
  24 #pragma GCC novector
  25   for (i = 1; i <= N; i++)
  26     {
  27       if (ia[i] != 5)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   check_vect ();
  37
  38   return main1 ();
  39 }
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  42 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */
  43 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_element_align_preferred || { ! vect_align_stack_vars } } } } } */
  44 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */