gcc/testsuite/gcc.dg/vect/slp-7.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]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {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 unsigned short in2[N*16]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {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};
  10
  11 int
  12 main1 ()
  13 {
  14   int i;
  15   unsigned int out[N*8], ia[N*2];
  16   unsigned short sa[N], out2[N*16];
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       out[i*8] = in[i*8] + 5;
  21       out[i*8 + 1] = in[i*8 + 1] + 6;
  22       out[i*8 + 2] = in[i*8 + 2] + 7;
  23       out[i*8 + 3] = in[i*8 + 3] + 8;
  24       out[i*8 + 4] = in[i*8 + 4] + 9;
  25       out[i*8 + 5] = in[i*8 + 5] + 10;
  26       out[i*8 + 6] = in[i*8 + 6] + 11;
  27       out[i*8 + 7] = in[i*8 + 7] + 12;
  28
  29       ia[i] = in[i];
  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] + 5
  37          || out[i*8 + 1] != in[i*8 + 1] + 6
  38          || out[i*8 + 2] != in[i*8 + 2] + 7
  39          || out[i*8 + 3] != in[i*8 + 3] + 8
  40          || out[i*8 + 4] != in[i*8 + 4] + 9
  41          || out[i*8 + 5] != in[i*8 + 5] + 10
  42          || out[i*8 + 6] != in[i*8 + 6] + 11
  43          || out[i*8 + 7] != in[i*8 + 7] + 12
  44          || ia[i] != in[i])
  45         abort ();
  46     }
  47
  48   for (i = 0; i < N*2; i++)
  49     {
  50       out[i*4] = in[i*4] + 1;
  51       out[i*4 + 1] = in[i*4 + 1] + 2;
  52       out[i*4 + 2] = in[i*4 + 2] + 3;
  53       out[i*4 + 3] = in[i*4 + 3] + 4;
  54
  55       ia[i] = in[i];
  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] + 1
  63          || out[i*4 + 1] != in[i*4 + 1] + 2
  64          || out[i*4 + 2] != in[i*4 + 2] + 3
  65          || out[i*4 + 3] != in[i*4 + 3] + 4
  66          || ia[i] != in[i])
  67         abort ();
  68     }
  69
  70   for (i = 0; i < N; i++)
  71     {
  72       out2[i*16] = in2[i*16] * 2;
  73       out2[i*16 + 1] = in2[i*16 + 1] * 3;
  74       out2[i*16 + 2] = in2[i*16 + 2] * 4;
  75       out2[i*16 + 3] = in2[i*16 + 3] * 3;
  76       out2[i*16 + 4] = in2[i*16 + 4] * 2;
  77       out2[i*16 + 5] = in2[i*16 + 5] * 3;
  78       out2[i*16 + 6] = in2[i*16 + 6] * 2;
  79       out2[i*16 + 7] = in2[i*16 + 7] * 4;
  80       out2[i*16 + 8] = in2[i*16 + 8] * 2;
  81       out2[i*16 + 9] = in2[i*16 + 9] * 5;
  82       out2[i*16 + 10] = in2[i*16 + 10] * 2;
  83       out2[i*16 + 11] = in2[i*16 + 11] * 3;
  84       out2[i*16 + 12] = in2[i*16 + 12] * 4;
  85       out2[i*16 + 13] = in2[i*16 + 13] * 4;
  86       out2[i*16 + 14] = in2[i*16 + 14] * 3;
  87       out2[i*16 + 15] = in2[i*16 + 15] * 2;
  88     }
  89
  90   /* check results:  */
  91 #pragma GCC novector
  92   for (i = 0; i < N; i++)
  93     {
  94       if (out2[i*16] !=  in2[i*16] * 2
  95          || out2[i*16 + 1] != in2[i*16 + 1] * 3
  96          || out2[i*16 + 2] != in2[i*16 + 2] * 4
  97          || out2[i*16 + 3] != in2[i*16 + 3] * 3
  98          || out2[i*16 + 4] != in2[i*16 + 4] * 2
  99          || out2[i*16 + 5] != in2[i*16 + 5] * 3
 100          || out2[i*16 + 6] != in2[i*16 + 6] * 2
 101          || out2[i*16 + 7] != in2[i*16 + 7] * 4
 102          || out2[i*16 + 8] != in2[i*16 + 8] * 2
 103          || out2[i*16 + 9] != in2[i*16 + 9] * 5
 104          || out2[i*16 + 10] != in2[i*16 + 10] * 2
 105          || out2[i*16 + 11] != in2[i*16 + 11] * 3
 106          || out2[i*16 + 12] != in2[i*16 + 12] * 4
 107          || out2[i*16 + 13] != in2[i*16 + 13] * 4
 108          || out2[i*16 + 14] != in2[i*16 + 14] * 3
 109          || out2[i*16 + 15] != in2[i*16 + 15] * 2)
 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"  { target vect_short_mult } } }*/
 127 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  { target { ! { vect_short_mult } } } } }*/
 128 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 5 "vect"  { target vect_short_mult } } } */
 129 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect"  { target { ! { vect_short_mult } } } } } */
 130