vect-complex-2.c

   1 /* { dg-require-effective-target vect_double } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 _Complex double a[N] =
   9     { 10.0F + 20.0iF, 11.0F + 21.0iF, 12.0F + 22.0iF, 13.0F + 23.0iF,
  10       14.0F + 24.0iF, 15.0F + 25.0iF, 16.0F + 26.0iF, 17.0F + 27.0iF,
  11       18.0F + 28.0iF, 19.0F + 29.0iF, 20.0F + 30.0iF, 21.0F + 31.0iF,
  12       22.0F + 32.0iF, 23.0F + 33.0iF, 24.0F + 34.0iF, 25.0F + 35.0iF };
  13 _Complex double b[N] =
  14     { 30.0F + 40.0iF, 31.0F + 41.0iF, 32.0F + 42.0iF, 33.0F + 43.0iF,
  15       34.0F + 44.0iF, 35.0F + 45.0iF, 36.0F + 46.0iF, 37.0F + 47.0iF,
  16       38.0F + 48.0iF, 39.0F + 49.0iF, 40.0F + 50.0iF, 41.0F + 51.0iF,
  17       42.0F + 52.0iF, 43.0F + 53.0iF, 44.0F + 54.0iF, 45.0F + 55.0iF };
  18
  19 _Complex double c[N];
  20 _Complex double res[N] =
  21     { 40.0F + 60.0iF, 42.0F + 62.0iF, 44.0F + 64.0iF, 46.0F + 66.0iF,
  22       48.0F + 68.0iF, 50.0F + 70.0iF, 52.0F + 72.0iF, 54.0F + 74.0iF,
  23       56.0F + 76.0iF, 58.0F + 78.0iF, 60.0F + 80.0iF, 62.0F + 82.0iF,
  24       64.0F + 84.0iF, 66.0F + 86.0iF, 68.0F + 88.0iF, 70.0F + 90.0iF };
  25
  26
  27 __attribute__ ((noinline)) void
  28 foo (void)
  29 {
  30   int i;
  31
  32   for (i = 0; i < N; i++)
  33     c[i] = a[i] + b[i];
  34
  35 }
  36
  37 int
  38 main (void)
  39 {
  40   int i;
  41   check_vect ();
  42
  43   foo ();
  44
  45   /* check results:  */
  46   for (i = 0; i < N; i++)
  47     if (c[i] != res[i])
  48       abort ();
  49
  50   return 0;
  51 }
  52
  53 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  54 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
  55 /* { dg-final { cleanup-tree-dump "vect" } } */