gcc/testsuite/gcc.dg/vect/slp-19a.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 int
   9 main1 ()
  10 {
  11   unsigned int i;
  12   unsigned int out[N*8];
  13   unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
  14   unsigned int ia[N*2];
  15
  16   for (i = 0; i < N; i++)
  17     {
  18       out[i*8] = in[i*8];
  19       out[i*8 + 1] = in[i*8 + 1];
  20       out[i*8 + 2] = in[i*8 + 2];
  21       out[i*8 + 3] = in[i*8 + 3];
  22       out[i*8 + 4] = in[i*8 + 4];
  23       out[i*8 + 5] = in[i*8 + 5];
  24       out[i*8 + 6] = in[i*8 + 6];
  25       out[i*8 + 7] = in[i*8 + 7];
  26
  27       ia[i] = in[i*8 + 2];
  28     }
  29
  30   /* check results:  */
  31 #pragma GCC novector
  32   for (i = 0; i < N; i++)
  33     {
  34       if (out[i*8] !=  in[i*8]
  35          || out[i*8 + 1] != in[i*8 + 1]
  36          || out[i*8 + 2] != in[i*8 + 2]
  37          || out[i*8 + 3] != in[i*8 + 3]
  38          || out[i*8 + 4] != in[i*8 + 4]
  39          || out[i*8 + 5] != in[i*8 + 5]
  40          || out[i*8 + 6] != in[i*8 + 6]
  41          || out[i*8 + 7] != in[i*8 + 7]
  42          || ia[i] != in[i*8 + 2])
  43         abort ();
  44     }
  45
  46   return 0;
  47 }
  48
  49 int main (void)
  50 {
  51   check_vect ();
  52
  53   main1 ();
  54
  55   return 0;
  56 }
  57
  58 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */
  59 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { target { ! vect_strided8 } } } } */
  60 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_strided8 } } } */
  61 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target { ! vect_strided8} } } } */