gcc/testsuite/gcc.dg/vect/vect-7.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 128
   9
  10 short sa[N];
  11 short sb[N];
  12
  13 __attribute__ ((noinline))
  14 int main1 ()
  15 {
  16   int i;
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       sb[i] = 5;
  21     }
  22
  23   /* check results:  */
  24 #pragma GCC novector
  25   for (i = 0; i < N; i++)
  26     {
  27       if (sb[i] != 5)
  28         abort ();
  29     }
  30
  31   for (i = 0; i < N; i++)
  32     {
  33       sa[i] = sb[i] + 100;
  34     }
  35
  36   /* check results:  */
  37 #pragma GCC novector
  38   for (i = 0; i < N; i++)
  39     {
  40       if (sa[i] != 105)
  41         abort ();
  42     }
  43
  44   return 0;
  45 }
  46
  47 int main (void)
  48 {
  49   check_vect ();
  50
  51   return main1 ();
  52 }
  53
  54 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  55 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  56 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */