(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
vect/
slp-11b.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  int
       9  main1 ()
      10  {
      11    int i;
      12    unsigned int out[N*8], a0, a1, a2, a3, a4, a5, a6, a7, b1, b0, b2, b3, b4, b5, b6, b7;
      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};
      14  
      15    /* Requires permutation for SLP.  */
      16    for (i = 0; i < N*2; i++)
      17      {
      18        out[i*4] = (in[i*4] + 2) * 3;
      19        out[i*4 + 1] = (in[i*4 + 2] + 2) * 7;
      20        out[i*4 + 2] = (in[i*4 + 1] + 7) * 3;
      21        out[i*4 + 3] = (in[i*4 + 3] + 3) * 7;
      22      }
      23  
      24    /* check results:  */
      25    for (i = 0; i < N*2; i++)
      26      {
      27        if (out[i*4] !=  (in[i*4] + 2) * 3
      28           || out[i*4 + 1] != (in[i*4 + 2] + 2) * 7
      29           || out[i*4 + 2] != (in[i*4 + 1] + 7) * 3
      30           || out[i*4 + 3] != (in[i*4 + 3] + 3) * 7)
      31          abort ();
      32      }
      33  
      34    return 0;
      35  }
      36  
      37  int main (void)
      38  {
      39    check_vect ();
      40  
      41    main1 ();
      42  
      43    return 0;
      44  }
      45  
      46  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { { vect_strided4 || vect_perm } && vect_int_mult } } } } */
      47  /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && vect_int_mult } xfail vect_load_lanes } } } */