gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11c.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-sse" { target { i?86-*-* x86_64-*-* } } } */
   4
   5 #include <stdlib.h>
   6
   7 #define N 16
   8
   9 /* One x86_64 mingw a long remains 4 bytes sized, but machine word
  10    is 8 bytes.  */
  11 #if LONG_MAX == 2147483647 && !defined (_WIN64)
  12 typedef short half_word;
  13 #else
  14 typedef int half_word;
  15 #endif
  16
  17 int main ()
  18 {
  19   int i;
  20   half_word ia[N];
  21   half_word ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  22   half_word ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  23
  24   /* Not worthwhile, only 2 parts per int */
  25   for (i = 0; i < N; i++)
  26     {
  27       ia[i] = ib[i] + ic[i];
  28     }
  29
  30   /* check results:  */
  31   for (i = 0; i < N; i++)
  32     {
  33       if (ia[i] != ib[i] + ic[i])
  34         abort ();
  35     }
  36
  37   return 0;
  38 }
  39
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */
  42 /* { dg-final { cleanup-tree-dump "vect" } } */