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

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details" } */
   3 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mno-vx" { target { s390*-*-* } } } */
   4 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mno-sse" { target { i?86-*-* x86_64-*-* } } } */
   5
   6 #include <stdlib.h>
   7
   8 #define N 16
   9
  10 int main ()
  11 {
  12   int i;
  13   char ia[N];
  14   char ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  15   char ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  16
  17   /* Not vectorizable, multiplication */
  18   for (i = 0; i < N; i++)
  19     {
  20       ia[i] = ib[i] * ic[i];
  21     }
  22
  23   /* check results:  */
  24   for (i = 0; i < N; i++)
  25     {
  26       if (ia[i] != (char) (ib[i] * ic[i]))
  27         abort ();
  28     }
  29
  30   return 0;
  31 }
  32
  33
  34 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */