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

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fdump-tree-vect-stats" } */
   3 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fdump-tree-vect-stats -mno-sse" { target { i?86-*-* x86_64-*-* } } } */
   4
   5 #include <stdlib.h>
   6
   7 #define N 16
   8
   9 #if LONG_MAX == 2147483647
  10 typedef short half_word;
  11 #else
  12 typedef int half_word;
  13 #endif
  14
  15 int main ()
  16 {
  17   int i;
  18   half_word ia[N];
  19   half_word ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  20   half_word ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  21
  22   /* Not worthwhile, only 2 parts per int */
  23   for (i = 0; i < N; i++)
  24     {
  25       ia[i] = ib[i] + ic[i];
  26     }
  27
  28   /* check results:  */
  29   for (i = 0; i < N; i++)
  30     {
  31       if (ia[i] != ib[i] + ic[i])
  32         abort ();
  33     }
  34
  35   return 0;
  36 }
  37
  38
  39 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */
  40 /* { dg-final { cleanup-tree-dump "vect" } } */