gcc/testsuite/gcc.dg/vect/slp-multitypes-10.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 struct s
  11 {
  12   unsigned char a;
  13   unsigned char b;
  14 };
  15
  16 __attribute__ ((noinline)) int
  17 main1 ()
  18 {
  19   int i;
  20   struct s out[N*4];
  21
  22   for (i = 0; i < N*4; i++)
  23     {
  24       out[i].a = (unsigned char) in[i*2] + 1;
  25       out[i].b = (unsigned char) in[i*2 + 1] + 2;
  26     }
  27
  28   /* check results:  */
  29 #pragma GCC novector
  30   for (i = 0; i < N*4; i++)
  31     {
  32       if (out[i].a !=  (unsigned char) in[i*2] + 1
  33          || out[i].b != (unsigned char) in[i*2 + 1] + 2)
  34         abort ();
  35     }
  36
  37   return 0;
  38 }
  39
  40 int main (void)
  41 {
  42   check_vect ();
  43
  44   main1 ();
  45
  46   return 0;
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_pack_trunc } } } */
  50 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  { target vect_pack_trunc } } } */
  51