gcc/testsuite/gcc.dg/vect/slp-6.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 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};
   9 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};
  10
  11 int
  12 main1 ()
  13 {
  14   int i;
  15   unsigned short out[N*8];
  16   unsigned int out2[N*8];
  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
  30   /* check results:  */
  31 #pragma GCC novector
  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 #pragma GCC novector
  55   for (i = 0; i < N*2; i++)
  56     {
  57       if (out[i*4] !=  in[i*4] + 2
  58          || out[i*4 + 1] != in[i*4 + 1] + 2
  59          || out[i*4 + 2] != in[i*4 + 2] + 1
  60          || out[i*4 + 3] != in[i*4 + 3] + 3)
  61         abort ();
  62     }
  63
  64   for (i = 0; i < N/2; i++)
  65     {
  66       out2[i*16] = in2[i*16] * 2;
  67       out2[i*16 + 1] = in2[i*16 + 1] * 3;
  68       out2[i*16 + 2] = in2[i*16 + 2] * 4;
  69       out2[i*16 + 3] = in2[i*16 + 3] * 3;
  70       out2[i*16 + 4] = in2[i*16 + 4] * 2;
  71       out2[i*16 + 5] = in2[i*16 + 5] * 3;
  72       out2[i*16 + 6] = in2[i*16 + 6] * 2;
  73       out2[i*16 + 7] = in2[i*16 + 7] * 4;
  74       out2[i*16 + 8] = in2[i*16 + 8] * 2;
  75       out2[i*16 + 9] = in2[i*16 + 9] * 5;
  76       out2[i*16 + 10] = in2[i*16 + 10] * 2;
  77       out2[i*16 + 11] = in2[i*16 + 11] * 3;
  78       out2[i*16 + 12] = in2[i*16 + 12] * 4;
  79       out2[i*16 + 13] = in2[i*16 + 13] * 4;
  80       out2[i*16 + 14] = in2[i*16 + 14] * 3;
  81       out2[i*16 + 15] = in2[i*16 + 15] * 2;
  82     }
  83
  84   /* check results:  */
  85 #pragma GCC novector
  86   for (i = 0; i < N/2; i++)
  87     {
  88       if (out2[i*16] !=  in2[i*16] * 2
  89          || out2[i*16 + 1] != in2[i*16 + 1] * 3
  90          || out2[i*16 + 2] != in2[i*16 + 2] * 4
  91          || out2[i*16 + 3] != in2[i*16 + 3] * 3
  92          || out2[i*16 + 4] != in2[i*16 + 4] * 2
  93          || out2[i*16 + 5] != in2[i*16 + 5] * 3
  94          || out2[i*16 + 6] != in2[i*16 + 6] * 2
  95          || out2[i*16 + 7] != in2[i*16 + 7] * 4
  96          || out2[i*16 + 8] != in2[i*16 + 8] * 2
  97          || out2[i*16 + 9] != in2[i*16 + 9] * 5
  98          || out2[i*16 + 10] != in2[i*16 + 10] * 2
  99          || out2[i*16 + 11] != in2[i*16 + 11] * 3
 100          || out2[i*16 + 12] != in2[i*16 + 12] * 4
 101          || out2[i*16 + 13] != in2[i*16 + 13] * 4
 102          || out2[i*16 + 14] != in2[i*16 + 14] * 3
 103          || out2[i*16 + 15] != in2[i*16 + 15] * 2)
 104         abort ();
 105     }
 106
 107
 108   return 0;
 109 }
 110
 111 int main (void)
 112 {
 113   check_vect ();
 114
 115   main1 ();
 116
 117   return 0;
 118 }
 119
 120 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect"  {target vect_int_mult} } } */
 121 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  {target  { ! { vect_int_mult } } } } } */
 122 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" {target vect_int_mult } } } */
 123 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" {target  { ! { vect_int_mult } } } } } */
 124