gcc/testsuite/gcc.dg/vect/slp-4.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include <stdio.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8
   9 int
  10 main1 ()
  11 {
  12   int i;
  13   unsigned short out[N*8];
  14   unsigned short 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};
  15   unsigned int ia[N*2];
  16
  17   for (i = 0; i < N; i++)
  18     {
  19       out[i*8] = in[i*8];
  20       out[i*8 + 1] = in[i*8 + 1];
  21       out[i*8 + 2] = in[i*8 + 2];
  22       out[i*8 + 3] = in[i*8 + 3];
  23       out[i*8 + 4] = in[i*8 + 4];
  24       out[i*8 + 5] = in[i*8 + 5];
  25       out[i*8 + 6] = in[i*8 + 6];
  26       out[i*8 + 7] = in[i*8 + 7];
  27
  28       ia[i] = 7;
  29     }
  30
  31   /* check results:  */
  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] != 7)
  43         abort ();
  44     }
  45
  46   for (i = 0; i < N*2; i++)
  47     {
  48       out[i*4] = in[i*4];
  49       out[i*4 + 1] = in[i*4 + 1];
  50       out[i*4 + 2] = in[i*4 + 2];
  51       out[i*4 + 3] = in[i*4 + 3];
  52
  53       ia[i] = 12;
  54     }
  55
  56   /* check results:  */
  57   for (i = 0; i < N*2; i++)
  58     {
  59       if (out[i*4] !=  in[i*4]
  60          || out[i*4 + 1] != in[i*4 + 1]
  61          || out[i*4 + 2] != in[i*4 + 2]
  62          || out[i*4 + 3] != in[i*4 + 3]
  63          || ia[i] != 12)
  64         abort ();
  65     }
  66
  67   for (i = 0; i < N/2; i++)
  68     {
  69       out[i*16] = in[i*16];
  70       out[i*16 + 1] = in[i*16 + 1];
  71       out[i*16 + 2] = in[i*16 + 2];
  72       out[i*16 + 3] = in[i*16 + 3];
  73       out[i*16 + 4] = in[i*16 + 4];
  74       out[i*16 + 5] = in[i*16 + 5];
  75       out[i*16 + 6] = in[i*16 + 6];
  76       out[i*16 + 7] = in[i*16 + 7];
  77       out[i*16 + 8] = in[i*16 + 8];
  78       out[i*16 + 9] = in[i*16 + 9];
  79       out[i*16 + 10] = in[i*16 + 10];
  80       out[i*16 + 11] = in[i*16 + 11];
  81       out[i*16 + 12] = in[i*16 + 12];
  82       out[i*16 + 13] = in[i*16 + 13];
  83       out[i*16 + 14] = in[i*16 + 14];
  84       out[i*16 + 15] = in[i*16 + 15];
  85
  86       ia[i] = 21;
  87     }
  88
  89   /* check results:  */
  90   for (i = 0; i < N/2; i++)
  91     {
  92       if (out[i*16] !=  in[i*16]
  93          || out[i*16 + 1] != in[i*16 + 1]
  94          || out[i*16 + 2] != in[i*16 + 2]
  95          || out[i*16 + 3] != in[i*16 + 3]
  96          || out[i*16 + 4] != in[i*16 + 4]
  97          || out[i*16 + 5] != in[i*16 + 5]
  98          || out[i*16 + 6] != in[i*16 + 6]
  99          || out[i*16 + 7] != in[i*16 + 7]
 100          || out[i*16 + 8] != in[i*16 + 8]
 101          || out[i*16 + 9] != in[i*16 + 9]
 102          || out[i*16 + 10] != in[i*16 + 10]
 103          || out[i*16 + 11] != in[i*16 + 11]
 104          || out[i*16 + 12] != in[i*16 + 12]
 105          || out[i*16 + 13] != in[i*16 + 13]
 106          || out[i*16 + 14] != in[i*16 + 14]
 107          || out[i*16 + 15] != in[i*16 + 15]
 108          || ia[i] != 21)
 109         abort ();
 110     }
 111
 112
 113   return 0;
 114 }
 115
 116 int main (void)
 117 {
 118   check_vect ();
 119
 120   main1 ();
 121
 122   return 0;
 123 }
 124
 125 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect"  } } */
 126 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect"  } } */
 127 /* { dg-final { cleanup-tree-dump "vect" } } */
 128