gcc/testsuite/gcc.dg/vect/slp-multitypes-9.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 8
   7
   8 unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
   9
  10 __attribute__ ((noinline)) int
  11 main1 ()
  12 {
  13   int i;
  14   unsigned char out[N*8];
  15
  16   for (i = 0; i < N*4; i++)
  17     {
  18       out[i*2] = (unsigned char) in[i*2] + 1;
  19       out[i*2 + 1] = (unsigned char) in[i*2 + 1] + 2;
  20     }
  21
  22   /* check results:  */
  23   for (i = 0; i < N*4; i++)
  24     {
  25       if (out[i*2] !=  (unsigned char) in[i*2] + 1
  26          || out[i*2 + 1] != (unsigned char) in[i*2 + 1] + 2)
  27         abort ();
  28     }
  29
  30   return 0;
  31 }
  32
  33 int main (void)
  34 {
  35   check_vect ();
  36
  37   main1 ();
  38
  39   return 0;
  40 }
  41
  42 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_pack_trunc } } } */
  43 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  { target vect_pack_trunc } } } */
  44