gcc/testsuite/gcc.dg/vect/slp-5.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   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 short ia[N];
  15   unsigned int ib[N*2];
  16
  17   /* Multiple types with SLP of the smaller type.  */
  18   for (i = 0; i < N; i++)
  19     {
  20       out[i*8] = in[i*8];
  21       out[i*8 + 1] = in[i*8 + 1];
  22       out[i*8 + 2] = in[i*8 + 2];
  23       out[i*8 + 3] = in[i*8 + 3];
  24       out[i*8 + 4] = in[i*8 + 4];
  25       out[i*8 + 5] = in[i*8 + 5];
  26       out[i*8 + 6] = in[i*8 + 6];
  27       out[i*8 + 7] = in[i*8 + 7];
  28
  29       ia[i] = 7;
  30     }
  31
  32   /* check results:  */
  33 #pragma GCC novector
  34   for (i = 0; i < N; i++)
  35     {
  36       if (out[i*8] !=  in[i*8]
  37          || out[i*8 + 1] != in[i*8 + 1]
  38          || out[i*8 + 2] != in[i*8 + 2]
  39          || out[i*8 + 3] != in[i*8 + 3]
  40          || out[i*8 + 4] != in[i*8 + 4]
  41          || out[i*8 + 5] != in[i*8 + 5]
  42          || out[i*8 + 6] != in[i*8 + 6]
  43          || out[i*8 + 7] != in[i*8 + 7]
  44          || ia[i] != 7)
  45         abort ();
  46     }
  47
  48   for (i = 0; i < N*2; i++)
  49     {
  50       out[i*4] = in[i*4];
  51       out[i*4 + 1] = in[i*4 + 1];
  52       out[i*4 + 2] = in[i*4 + 2];
  53       out[i*4 + 3] = in[i*4 + 3];
  54
  55       ib[i] = 12;
  56     }
  57
  58   /* check results:  */
  59 #pragma GCC novector
  60   for (i = 0; i < N*2; i++)
  61     {
  62       if (out[i*4] !=  in[i*4]
  63          || out[i*4 + 1] != in[i*4 + 1]
  64          || out[i*4 + 2] != in[i*4 + 2]
  65          || out[i*4 + 3] != in[i*4 + 3]
  66          || ib[i] != 12)
  67         abort ();
  68     }
  69
  70   for (i = 0; i < N/2; i++)
  71     {
  72       out[i*16] = in[i*16];
  73       out[i*16 + 1] = in[i*16 + 1];
  74       out[i*16 + 2] = in[i*16 + 2];
  75       out[i*16 + 3] = in[i*16 + 3];
  76       out[i*16 + 4] = in[i*16 + 4];
  77       out[i*16 + 5] = in[i*16 + 5];
  78       out[i*16 + 6] = in[i*16 + 6];
  79       out[i*16 + 7] = in[i*16 + 7];
  80       out[i*16 + 8] = in[i*16 + 8];
  81       out[i*16 + 9] = in[i*16 + 9];
  82       out[i*16 + 10] = in[i*16 + 10];
  83       out[i*16 + 11] = in[i*16 + 11];
  84       out[i*16 + 12] = in[i*16 + 12];
  85       out[i*16 + 13] = in[i*16 + 13];
  86       out[i*16 + 14] = in[i*16 + 14];
  87       out[i*16 + 15] = in[i*16 + 15];
  88     }
  89
  90   /* check results:  */
  91 #pragma GCC novector
  92   for (i = 0; i < N/2; i++)
  93     {
  94       if (out[i*16] !=  in[i*16]
  95          || out[i*16 + 1] != in[i*16 + 1]
  96          || out[i*16 + 2] != in[i*16 + 2]
  97          || out[i*16 + 3] != in[i*16 + 3]
  98          || out[i*16 + 4] != in[i*16 + 4]
  99          || out[i*16 + 5] != in[i*16 + 5]
 100          || out[i*16 + 6] != in[i*16 + 6]
 101          || out[i*16 + 7] != in[i*16 + 7]
 102          || out[i*16 + 8] != in[i*16 + 8]
 103          || out[i*16 + 9] != in[i*16 + 9]
 104          || out[i*16 + 10] != in[i*16 + 10]
 105          || out[i*16 + 11] != in[i*16 + 11]
 106          || out[i*16 + 12] != in[i*16 + 12]
 107          || out[i*16 + 13] != in[i*16 + 13]
 108          || out[i*16 + 14] != in[i*16 + 14]
 109          || out[i*16 + 15] != in[i*16 + 15])
 110         abort ();
 111     }
 112
 113
 114   return 0;
 115 }
 116
 117 int main (void)
 118 {
 119   check_vect ();
 120
 121   main1 ();
 122
 123   return 0;
 124 }
 125
 126 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */
 127 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 5 "vect"  } } */
 128