gcc/testsuite/gcc.dg/vect/pr51581-4.c

   1 /* PR tree-optimization/51581 */
   2
   3 #include "tree-vect.h"
   4
   5 short int a[16], b[16];
   6 unsigned short int c[16], d[16];
   7
   8 void
   9 f1 (void)
  10 {
  11   a[0] = b[0] / 8;
  12   a[1] = b[1] / 8;
  13   a[2] = b[2] / 8;
  14   a[3] = b[3] / 8;
  15   a[4] = b[4] / 8;
  16   a[5] = b[5] / 8;
  17   a[6] = b[6] / 8;
  18   a[7] = b[7] / 8;
  19   a[8] = b[8] / 8;
  20   a[9] = b[9] / 8;
  21   a[10] = b[10] / 8;
  22   a[11] = b[11] / 8;
  23   a[12] = b[12] / 8;
  24   a[13] = b[13] / 8;
  25   a[14] = b[14] / 8;
  26   a[15] = b[15] / 8;
  27 }
  28
  29 void
  30 f2 (void)
  31 {
  32   c[0] = d[0] / 3;
  33   c[1] = d[1] / 3;
  34   c[2] = d[2] / 3;
  35   c[3] = d[3] / 3;
  36   c[4] = d[4] / 3;
  37   c[5] = d[5] / 3;
  38   c[6] = d[6] / 3;
  39   c[7] = d[7] / 3;
  40   c[8] = d[8] / 3;
  41   c[9] = d[9] / 3;
  42   c[10] = d[10] / 3;
  43   c[11] = d[11] / 3;
  44   c[12] = d[12] / 3;
  45   c[13] = d[13] / 3;
  46   c[14] = d[14] / 3;
  47   c[15] = d[15] / 3;
  48 }
  49
  50 void
  51 f3 (void)
  52 {
  53   a[0] = b[0] / 8;
  54   a[1] = b[1] / 4;
  55   a[2] = b[2] / 8;
  56   a[3] = b[3] / 4;
  57   a[4] = b[4] / 8;
  58   a[5] = b[5] / 4;
  59   a[6] = b[6] / 8;
  60   a[7] = b[7] / 4;
  61   a[8] = b[8] / 8;
  62   a[9] = b[9] / 4;
  63   a[10] = b[10] / 8;
  64   a[11] = b[11] / 4;
  65   a[12] = b[12] / 8;
  66   a[13] = b[13] / 4;
  67   a[14] = b[14] / 8;
  68   a[15] = b[15] / 4;
  69 }
  70
  71 void
  72 f4 (void)
  73 {
  74   c[0] = d[0] / 3;
  75   c[1] = d[1] / 5;
  76   c[2] = d[2] / 3;
  77   c[3] = d[3] / 5;
  78   c[4] = d[4] / 3;
  79   c[5] = d[5] / 5;
  80   c[6] = d[6] / 3;
  81   c[7] = d[7] / 5;
  82   c[8] = d[8] / 3;
  83   c[9] = d[9] / 5;
  84   c[10] = d[10] / 3;
  85   c[11] = d[11] / 5;
  86   c[12] = d[12] / 3;
  87   c[13] = d[13] / 5;
  88   c[14] = d[14] / 3;
  89   c[15] = d[15] / 5;
  90 }
  91
  92 void
  93 f5 (void)
  94 {
  95   a[0] = b[0] / 14;
  96   a[1] = b[1] / 15;
  97   a[2] = b[2] / 14;
  98   a[3] = b[3] / 15;
  99   a[4] = b[4] / 14;
 100   a[5] = b[5] / 15;
 101   a[6] = b[6] / 14;
 102   a[7] = b[7] / 15;
 103   a[8] = b[8] / 14;
 104   a[9] = b[9] / 15;
 105   a[10] = b[10] / 14;
 106   a[11] = b[11] / 15;
 107   a[12] = b[12] / 14;
 108   a[13] = b[13] / 15;
 109   a[14] = b[14] / 14;
 110   a[15] = b[15] / 15;
 111 }
 112
 113 void
 114 f6 (void)
 115 {
 116   c[0] = d[0] / 6;
 117   c[1] = d[1] / 5;
 118   c[2] = d[2] / 6;
 119   c[3] = d[3] / 5;
 120   c[4] = d[4] / 6;
 121   c[5] = d[5] / 5;
 122   c[6] = d[6] / 13;
 123   c[7] = d[7] / 5;
 124   c[8] = d[8] / 6;
 125   c[9] = d[9] / 5;
 126   c[10] = d[10] / 6;
 127   c[11] = d[11] / 5;
 128   c[12] = d[12] / 6;
 129   c[13] = d[13] / 5;
 130   c[14] = d[14] / 13;
 131   c[15] = d[15] / 5;
 132 }
 133
 134 int
 135 main ()
 136 {
 137   int i;
 138   check_vect ();
 139   asm ("");
 140   for (i = 0; i < 16; i++)
 141     {
 142       asm ("");
 143       b[i] = i - 8;
 144       d[i] = i - 8;
 145     }
 146   f1 ();
 147   f2 ();
 148   for (i = 0; i < 16; i++)
 149     if (a[i] != b[i] / 8 || c[i] != d[i] / 3)
 150       abort ();
 151   f3 ();
 152   f4 ();
 153   for (i = 0; i < 16; i+= 2)
 154     if (a[i] != b[i] / 8 || a[i + 1] != b[i + 1] / 4
 155         || c[i] != d[i] / 3 || c[i + 1] != d[i + 1] / 5)
 156       abort ();
 157   f5 ();
 158   f6 ();
 159   for (i = 0; i < 16; i+= 2)
 160     if (a[i] != b[i] / 14 || a[i + 1] != b[i + 1] / 15
 161         || c[i] != d[i] / ((i & 7) == 6 ? 13 : 6) || c[i + 1] != d[i + 1] / 5)
 162       abort ();
 163   return 0;
 164 }
 165