gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-33.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 #include <stdarg.h>
   5 #include "../../tree-vect.h"
   6
   7 #define N 16
   8 struct test {
   9   char ca[N];
  10 };
  11
  12 extern struct test s;
  13
  14 int main1 ()
  15 {
  16   int i;
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       s.ca[i] = 5;
  21     }
  22
  23   /* check results:  */
  24   for (i = 0; i < N; i++)
  25     {
  26       if (s.ca[i] != 5)
  27         abort ();
  28     }
  29
  30   return 0;
  31 }
  32
  33 int main (void)
  34 {
  35   return main1 ();
  36 }
  37
  38 /* Peeling to align the store is used. Overhead of peeling is too high.  */
  39 /* { dg-final { scan-tree-dump-times "vectorization not profitable" 1 "vect" { target vector_alignment_reachable } } } */
  40
  41 /* Versioning to align the store is used. Overhead of versioning is not too high.  */
  42 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target {! vector_alignment_reachable} } } } */
  43 /* { dg-final { cleanup-tree-dump "vect" } } */