gcc/testsuite/gcc.dg/vect/vect-25.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 #define N 128
   8
   9 __attribute__ ((noinline))
  10 int main1 (int n, int *p)
  11 {
  12   int i;
  13   int ib[N];
  14   int ia[N];
  15   int k;
  16
  17   for (i = 0; i < N; i++)
  18     {
  19       ia[i] = n;
  20     }
  21
  22   /* check results:  */
  23 #pragma GCC novector
  24   for (i = 0; i < N; i++)
  25     {
  26       if (ia[i] != n)
  27         abort ();
  28     }
  29
  30   k = *p;
  31   for (i = 0; i < N; i++)
  32     {
  33       ib[i] = k;
  34     }
  35
  36   /* check results:  */
  37 #pragma GCC novector
  38   for (i = 0; i < N; i++)
  39     {
  40       if (ib[i] != k)
  41         abort ();
  42     }
  43
  44   return 0;
  45 }
  46
  47 int main (void)
  48 {
  49   int m = 8;
  50
  51   check_vect ();
  52
  53   return main1 (m, &m);
  54 }
  55
  56 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  57 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */
  58 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */