gcc/testsuite/gcc.dg/vect/slp-multitypes-6.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; i++)
  17     {
  18       out[i*8] = (unsigned char) in[i*8] + 1;
  19       out[i*8 + 1] = (unsigned char) in[i*8 + 1] + 2;
  20       out[i*8 + 2] = (unsigned char) in[i*8 + 2] + 3;
  21       out[i*8 + 3] = (unsigned char) in[i*8 + 3] + 4;
  22       out[i*8 + 4] = (unsigned char) in[i*8 + 4] + 5;
  23       out[i*8 + 5] = (unsigned char) in[i*8 + 5] + 6;
  24       out[i*8 + 6] = (unsigned char) in[i*8 + 6] + 7;
  25       out[i*8 + 7] = (unsigned char) in[i*8 + 7] + 8;
  26     }
  27
  28   /* check results:  */
  29 #pragma GCC novector
  30   for (i = 0; i < N; i++)
  31     {
  32       if (out[i*8] !=  (unsigned char) in[i*8] + 1
  33          || out[i*8 + 1] != (unsigned char) in[i*8 + 1] + 2
  34          || out[i*8 + 2] != (unsigned char) in[i*8 + 2] + 3
  35          || out[i*8 + 3] != (unsigned char) in[i*8 + 3] + 4
  36          || out[i*8 + 4] != (unsigned char) in[i*8 + 4] + 5
  37          || out[i*8 + 5] != (unsigned char) in[i*8 + 5] + 6
  38          || out[i*8 + 6] != (unsigned char) in[i*8 + 6] + 7
  39          || out[i*8 + 7] != (unsigned char) in[i*8 + 7] + 8)
  40         abort ();
  41     }
  42
  43   return 0;
  44 }
  45
  46 int main (void)
  47 {
  48   check_vect ();
  49
  50   main1 ();
  51
  52   return 0;
  53 }
  54
  55 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_pack_trunc } } } */
  56 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  { target vect_pack_trunc } } } */
  57