gcc/testsuite/gcc.dg/vect/vect-32.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #if VECTOR_BITS > 128
   8 #define N (VECTOR_BITS / 8)
   9 #else
  10 #define N 16
  11 #endif
  12
  13 __attribute__ ((noinline))
  14 int main1 ()
  15 {
  16   struct {
  17     char ca[N];
  18   } s;
  19   int i;
  20
  21   for (i = 0; i < N; i++)
  22     {
  23       s.ca[i] = 5;
  24     }
  25
  26   /* check results:  */
  27 #pragma GCC novector
  28   for (i = 0; i < N; i++)
  29     {
  30       if (s.ca[i] != 5)
  31         abort ();
  32     }
  33
  34   return 0;
  35 }
  36
  37 int main (void)
  38 {
  39   check_vect ();
  40
  41   return main1 ();
  42 }
  43
  44 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  45 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */
  46 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */