gcc/testsuite/gcc.dg/vect/slp-multitypes-11-big-array.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 144
   7
   8 struct s
   9 {
  10   int a;
  11   int b;
  12   int c;
  13 };
  14
  15 char in[N*3];
  16 volatile int y = 0;
  17
  18 __attribute__ ((noinline)) int
  19 main1 ()
  20 {
  21   int i;
  22   struct s out[N];
  23
  24   for (i = 0; i < N; i++)
  25     {
  26       in[i] = i&127;
  27       if (y) /* Avoid vectorization.  */
  28         abort ();
  29     }
  30
  31   for (i = 0; i < N; i++)
  32     {
  33       out[i].a = (int) in[i*3] + 1;
  34       out[i].b = (int) in[i*3 + 1] + 2;
  35       out[i].c = (int) in[i*3 + 2] + 3;
  36     }
  37
  38   /* check results:  */
  39   for (i = 0; i < N; i++)
  40     {
  41       if (out[i].a !=  (int) in[i*3] + 1
  42          || out[i].b != (int) in[i*3 + 1] + 2
  43          || out[i].c != (int) in[i*3 + 2] + 3)
  44         abort ();
  45     }
  46
  47   return 0;
  48 }
  49
  50 int main (void)
  51 {
  52   check_vect ();
  53
  54   main1 ();
  55
  56   return 0;
  57 }
  58
  59 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_unpack } } } */
  60 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  { target vect_unpack } } } */
  61