gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11.c

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fwrapv -fdump-tree-vect-stats" } */
   3 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fwrapv -fdump-tree-vect-stats -mno-sse" { target { i?86-*-* x86_64-*-* } } } */
   4
   5 #include <stdlib.h>
   6
   7 #define N 16
   8
   9 int main ()
  10 {
  11   int i;
  12   char ia[N];
  13   char ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  14   char ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  15
  16   for (i = 0; i < N; i++)
  17     {
  18       ia[i] = ib[i] + ic[i];
  19     }
  20
  21   /* check results:  */
  22   for (i = 0; i < N; i++)
  23     {
  24       if (ia[i] != ib[i] + ic[i])
  25         abort ();
  26     }
  27
  28   return 0;
  29 }
  30
  31
  32 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  33 /* { dg-final { cleanup-tree-dump "vect" } } */