gcc/testsuite/gcc.dg/vect/slp-6.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 8
   8
   9 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};
  10 unsigned int in2[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};
  11
  12 int
  13 main1 ()
  14 {
  15   int i;
  16   unsigned short out[N*8];
  17   unsigned int out2[N*8];
  18
  19   for (i = 0; i < N; i++)
  20     {
  21       out[i*8] = in[i*8] + 5;
  22       out[i*8 + 1] = in[i*8 + 1] + 6;
  23       out[i*8 + 2] = in[i*8 + 2] + 7;
  24       out[i*8 + 3] = in[i*8 + 3] + 8;
  25       out[i*8 + 4] = in[i*8 + 4] + 9;
  26       out[i*8 + 5] = in[i*8 + 5] + 10;
  27       out[i*8 + 6] = in[i*8 + 6] + 11;
  28       out[i*8 + 7] = in[i*8 + 7] + 12;
  29     }
  30
  31   /* check results:  */
  32   for (i = 0; i < N; i++)
  33     {
  34       if (out[i*8] !=  in[i*8] + 5
  35          || out[i*8 + 1] != in[i*8 + 1] + 6
  36          || out[i*8 + 2] != in[i*8 + 2] + 7
  37          || out[i*8 + 3] != in[i*8 + 3] + 8
  38          || out[i*8 + 4] != in[i*8 + 4] + 9
  39          || out[i*8 + 5] != in[i*8 + 5] + 10
  40          || out[i*8 + 6] != in[i*8 + 6] + 11
  41          || out[i*8 + 7] != in[i*8 + 7] + 12)
  42         abort ();
  43     }
  44
  45   for (i = 0; i < N*2; i++)
  46     {
  47       out[i*4] = in[i*4] + 2;
  48       out[i*4 + 1] = in[i*4 + 1] + 2;
  49       out[i*4 + 2] = in[i*4 + 2] + 1;
  50       out[i*4 + 3] = in[i*4 + 3] + 3;
  51     }
  52
  53   /* check results:  */
  54   for (i = 0; i < N*2; i++)
  55     {
  56       if (out[i*4] !=  in[i*4] + 2
  57          || out[i*4 + 1] != in[i*4 + 1] + 2
  58          || out[i*4 + 2] != in[i*4 + 2] + 1
  59          || out[i*4 + 3] != in[i*4 + 3] + 3)
  60         abort ();
  61     }
  62
  63   for (i = 0; i < N/2; i++)
  64     {
  65       out2[i*16] = in2[i*16] * 2;
  66       out2[i*16 + 1] = in2[i*16 + 1] * 3;
  67       out2[i*16 + 2] = in2[i*16 + 2] * 4;
  68       out2[i*16 + 3] = in2[i*16 + 3] * 3;
  69       out2[i*16 + 4] = in2[i*16 + 4] * 2;
  70       out2[i*16 + 5] = in2[i*16 + 5] * 3;
  71       out2[i*16 + 6] = in2[i*16 + 6] * 2;
  72       out2[i*16 + 7] = in2[i*16 + 7] * 4;
  73       out2[i*16 + 8] = in2[i*16 + 8] * 2;
  74       out2[i*16 + 9] = in2[i*16 + 9] * 5;
  75       out2[i*16 + 10] = in2[i*16 + 10] * 2;
  76       out2[i*16 + 11] = in2[i*16 + 11] * 3;
  77       out2[i*16 + 12] = in2[i*16 + 12] * 4;
  78       out2[i*16 + 13] = in2[i*16 + 13] * 4;
  79       out2[i*16 + 14] = in2[i*16 + 14] * 3;
  80       out2[i*16 + 15] = in2[i*16 + 15] * 2;
  81     }
  82
  83   /* check results:  */
  84   for (i = 0; i < N/2; i++)
  85     {
  86       if (out2[i*16] !=  in2[i*16] * 2
  87          || out2[i*16 + 1] != in2[i*16 + 1] * 3
  88          || out2[i*16 + 2] != in2[i*16 + 2] * 4
  89          || out2[i*16 + 3] != in2[i*16 + 3] * 3
  90          || out2[i*16 + 4] != in2[i*16 + 4] * 2
  91          || out2[i*16 + 5] != in2[i*16 + 5] * 3
  92          || out2[i*16 + 6] != in2[i*16 + 6] * 2
  93          || out2[i*16 + 7] != in2[i*16 + 7] * 4
  94          || out2[i*16 + 8] != in2[i*16 + 8] * 2
  95          || out2[i*16 + 9] != in2[i*16 + 9] * 5
  96          || out2[i*16 + 10] != in2[i*16 + 10] * 2
  97          || out2[i*16 + 11] != in2[i*16 + 11] * 3
  98          || out2[i*16 + 12] != in2[i*16 + 12] * 4
  99          || out2[i*16 + 13] != in2[i*16 + 13] * 4
 100          || out2[i*16 + 14] != in2[i*16 + 14] * 3
 101          || out2[i*16 + 15] != in2[i*16 + 15] * 2)
 102         abort ();
 103     }
 104
 105
 106   return 0;
 107 }
 108
 109 int main (void)
 110 {
 111   check_vect ();
 112
 113   main1 ();
 114
 115   return 0;
 116 }
 117
 118 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect"  {target vect_int_mult} } } */
 119 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  {target  { ! { vect_int_mult } } } } } */
 120 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" {target vect_int_mult  } } } */
 121 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" {target  { ! { vect_int_mult } } } } } */
 122 /* { dg-final { cleanup-tree-dump "vect" } } */
 123