gcc/testsuite/gcc.dg/vect/bb-slp-5.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 unsigned short out[N];
   9 unsigned short in[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  10
  11 __attribute__ ((noinline)) int
  12 main1 ()
  13 {
  14   int i;
  15   unsigned short *pin = &in[0];
  16   unsigned short *pout = &out[0];
  17
  18   *pout++ = *pin++;
  19   *pout++ = *pin++;
  20   *pout++ = *pin++;
  21   *pout++ = *pin++;
  22   *pout++ = *pin++;
  23   *pout++ = *pin++;
  24   *pout++ = *pin++;
  25   *pout++ = *pin++;
  26
  27   /* Check results.  */
  28   if (out[0] != in[0]
  29       || out[1] != in[1]
  30       || out[2] != in[2]
  31       || out[3] != in[3]
  32       || out[4] != in[4]
  33       || out[5] != in[5]
  34       || out[6] != in[6]
  35       || out[7] != in[7])
  36     abort();
  37
  38   return 0;
  39 }
  40
  41 int main (void)
  42 {
  43   check_vect ();
  44
  45   main1 ();
  46
  47   return 0;
  48 }
  49
  50 /* { dg-final { scan-tree-dump-times "basic block vectorized using SLP" 1 "slp" } } */
  51 /* { dg-final { cleanup-tree-dump "slp" } } */
  52