gcc/testsuite/gcc.dg/vect/vect-complex-4.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdio.h>
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8
   9 struct foostr {
  10   _Complex short f1;
  11   _Complex short f2;
  12 };
  13
  14 struct foostr a[16] __attribute__ ((__aligned__(16))) =
  15   {
  16     11 + 23i, 24 + 22i,
  17     11 + 26i, 24 + 35i,
  18     19 + 20i, 29 + 14i,
  19     23 + 31i, 26 + 30i,
  20     29 + 39i, 24 + 18i,
  21     20 + 32i, 16 + 23i,
  22     13 + 26i, 37 + 34i,
  23     12 + 23i, 26 + 14i,
  24     36 + 14i, 31 + 17i,
  25     35 + 17i, 17 + 36i,
  26     13 + 34i, 19 + 12i,
  27     27 + 34i, 36 + 19i,
  28     21 + 39i, 16 + 33i,
  29     28 + 18i, 39 + 26i,
  30     32 + 27i, 13 + 38i,
  31     35 + 36i, 34 + 28i,
  32   };
  33
  34 struct foostr b[16] __attribute__ ((__aligned__(16))) =
  35   {
  36     37 + 12i, 23 + 15i,
  37     14 + 11i, 13 + 25i,
  38     35 + 29i, 22 + 34i,
  39     24 + 34i, 16 + 39i,
  40     34 + 32i, 26 + 21i,
  41     34 + 36i, 11 + 37i,
  42     25 + 21i, 10 + 39i,
  43     10 + 36i, 35 + 22i,
  44     39 + 29i, 23 + 21i,
  45     34 + 33i, 39 + 14i,
  46     16 + 31i, 32 + 33i,
  47     20 + 14i, 35 + 30i,
  48     26 + 24i, 36 + 37i,
  49     31 + 20i, 32 + 28i,
  50     25 + 27i, 15 + 30i,
  51     10 + 31i, 37 + 37i,
  52   };
  53 struct foostr c[16] __attribute__ ((__aligned__(16)));
  54 struct foostr res[N] =
  55   {
  56     48 + 35i, 47 + 37i,
  57     25 + 37i, 37 + 60i,
  58     54 + 49i, 51 + 48i,
  59     47 + 65i, 42 + 69i,
  60     63 + 71i, 50 + 39i,
  61     54 + 68i, 27 + 60i,
  62     38 + 47i, 47 + 73i,
  63     22 + 59i, 61 + 36i,
  64     75 + 43i, 54 + 38i,
  65     69 + 50i, 56 + 50i,
  66     29 + 65i, 51 + 45i,
  67     47 + 48i, 71 + 49i,
  68     47 + 63i, 52 + 70i,
  69     59 + 38i, 71 + 54i,
  70     57 + 54i, 28 + 68i,
  71     45 + 67i, 71 + 65i,
  72   };
  73
  74 __attribute__ ((noinline)) void
  75 foo (void)
  76 {
  77   int i;
  78
  79   for (i = 0; i < N; i++)
  80     {
  81       c[i].f1 = a[i].f1 + b[i].f1;
  82       c[i].f2 = a[i].f2 + b[i].f2;
  83     }
  84
  85 }
  86
  87 int
  88 main (void)
  89 {
  90   int i;
  91   check_vect ();
  92
  93   foo ();
  94
  95   /* check results:  */
  96   for (i = 0; i < N; i++)
  97     {
  98       if (c[i].f1 != res[i].f1)
  99         abort ();
 100       if (c[i].f2 != res[i].f2)
 101         abort ();
 102     }
 103
 104   return 0;
 105 }
 106
 107 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
 108 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
 109 /* { dg-final { cleanup-tree-dump "vect" } } */