sim/testsuite/common/bits-tst.c

   1 # 2 "bits-tst.c"
   2
   3 /* Drive the bit test routines */
   4
   5
   6 long long
   7 calc (const char *call,
   8       long long val,
   9       int row,
  10       int col)
  11 {
  12   if (strcmp (call, "MASK") == 0)
  13     return MASKED (val, row, col);
  14   if (strcmp (call, "MASK16") == 0)
  15     return MASKED16 (val, row, col);
  16   if (strcmp (call, "MASK32") == 0)
  17     return MASKED32 (val, row, col);
  18   if (strcmp (call, "MASK64") == 0)
  19     return MASKED64 (val, row, col);
  20
  21   if (strcmp (call, "EXTRACT") == 0)
  22     return EXTRACTED (val, row, col);
  23   if (strcmp (call, "EXTRACT16") == 0)
  24     return EXTRACTED16 (val, row, col);
  25   if (strcmp (call, "EXTRACT32") == 0)
  26     return EXTRACTED32 (val, row, col);
  27   if (strcmp (call, "EXTRACT64") == 0)
  28     return EXTRACTED64 (val, row, col);
  29
  30   if (strcmp (call, "LSEXTRACT") == 0)
  31     return LSEXTRACTED (val, row, col);
  32   if (strcmp (call, "LSEXTRACT16") == 0)
  33     return LSEXTRACTED16 (val, row, col);
  34   if (strcmp (call, "LSEXTRACT32") == 0)
  35     return LSEXTRACTED32 (val, row, col);
  36   if (strcmp (call, "LSEXTRACT64") == 0)
  37     return LSEXTRACTED64 (val, row, col);
  38
  39   if (strcmp (call, "MSEXTRACT") == 0)
  40     return MSEXTRACTED (val, row, col);
  41   if (strcmp (call, "MSEXTRACT16") == 0)
  42     return MSEXTRACTED16 (val, row, col);
  43   if (strcmp (call, "MSEXTRACT32") == 0)
  44     return MSEXTRACTED32 (val, row, col);
  45   if (strcmp (call, "MSEXTRACT64") == 0)
  46     return MSEXTRACTED64 (val, row, col);
  47
  48   if (strcmp (call, "INSERT") == 0)
  49     return INSERTED (val, row, col);
  50   if (strcmp (call, "INSERT16") == 0)
  51     return INSERTED16 (val, row, col);
  52   if (strcmp (call, "INSERT32") == 0)
  53     return INSERTED32 (val, row, col);
  54   if (strcmp (call, "INSERT64") == 0)
  55     return INSERTED64 (val, row, col);
  56
  57   if (strcmp (call, "MSMASK") == 0)
  58     return MSMASKED (val, row, col);
  59   if (strcmp (call, "MSMASK16") == 0)
  60     return MSMASKED16 (val, row, col);
  61   if (strcmp (call, "MSMASK32") == 0)
  62     return MSMASKED32 (val, row, col);
  63   if (strcmp (call, "MSMASK64") == 0)
  64     return MSMASKED64 (val, row, col);
  65
  66   if (strcmp (call, "LSMASK") == 0)
  67     return LSMASKED (val, row, col);
  68   if (strcmp (call, "LSMASK16") == 0)
  69     return LSMASKED16 (val, row, col);
  70   if (strcmp (call, "LSMASK32") == 0)
  71     return LSMASKED32 (val, row, col);
  72   if (strcmp (call, "LSMASK64") == 0)
  73     return LSMASKED64 (val, row, col);
  74
  75   if (strcmp (call, "ROT16") == 0)
  76     return ROT16 (val, col);
  77   if (strcmp (call, "ROT32") == 0)
  78     return ROT32 (val, col);
  79   if (strcmp (call, "ROT64") == 0)
  80     return ROT64 (val, col);
  81
  82   if (strcmp (call, "SEXT16") == 0)
  83     return SEXT16 (val, col);
  84   if (strcmp (call, "SEXT32") == 0)
  85     return SEXT32 (val, col);
  86   if (strcmp (call, "SEXT64") == 0)
  87     return SEXT64 (val, col);
  88   if (strcmp (call, "SEXT") == 0)
  89     return SEXT (val, col);
  90
  91   else
  92     {
  93       fprintf (stderr, "Unknown call passed to calc (%s, 0x%08lx%08lx, %d, %d)\n",
  94                call, (long)(val >> 32), (long)val, row, col);
  95       abort ();
  96       return val;
  97     }
  98 }
  99
 100
 101 int
 102 check_sext (int nr_bits,
 103             const char *sexted,
 104             const char *masked,
 105             const char *msmasked)
 106 {
 107   int errors = 0;
 108   int col;
 109   for (col = 0; col < nr_bits; col ++)
 110     {
 111       long long mask = calc (masked, -1, col, col);
 112       long long msmask = calc (msmasked, -1,
 113                                0, (WITH_TARGET_WORD_MSB ? nr_bits - col - 1 : col));
 114       long long sext = calc (sexted, mask, -1, col);
 115       long long mask_1 = mask >> 1;
 116       long long sext_1 = calc (sexted, mask_1, -1, col);
 117       if (mask_1 != sext_1)
 118         {
 119           fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
 120           fprintf (stderr, " %s(0x%08lx%08lx,%d) != 0x%08lx%08lx\n",
 121                    sexted,
 122                    (long)(mask_1 >> 32), (long)mask_1,
 123                    col,
 124                    (long)(sext_1 >> 32), (long)sext_1);
 125           errors ++;
 126         }
 127       if (sext != msmask)
 128         {
 129           fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
 130           fprintf (stderr, " %s(0x%08lx%08lx,%d) == 0x%08lx%08lx wrong, != 0x%08lx%08lx\n",
 131                    sexted, (long)(mask >> 32), (long)mask, col,
 132                    (long)(sext >> 32), (long)sext,
 133                    (long)(msmask >> 32), (long)msmask);
 134           errors ++;
 135         }
 136
 137     }
 138   return errors;
 139 }
 140
 141
 142 int
 143 check_rot (int nr_bits,
 144            const char *roted,
 145            const char *masked)
 146 {
 147   int errors = 0;
 148   int row;
 149   int col;
 150   for (row = 0; row < nr_bits; row++)
 151     for (col = 0; col < nr_bits; col++)
 152       if ((WITH_TARGET_WORD_MSB == 0 && row <= col)
 153           || (WITH_TARGET_WORD_MSB != 0 && row >= col))
 154         {
 155           long long mask = calc (masked, -1, row, col);
 156           int shift;
 157           for (shift = -nr_bits + 1; shift < nr_bits; shift ++)
 158             {
 159               long long rot = calc (roted, mask, -1, shift);
 160               long long urot = calc (roted, rot, -1, -shift);
 161               if (mask != urot
 162                   || (shift == 0 && rot != mask)
 163                   || (shift != 0 && rot == mask && abs(row - col) != (nr_bits - 1)))
 164                 {
 165                   fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
 166                   fprintf (stderr, " %s(%s(0x%08lx%08lx,%d) == 0x%08lx%08lx, %d) failed\n",
 167                            roted, roted,
 168                            (long)(mask >> 32), (long)mask, shift,
 169                            (long)(urot >> 32), (long)urot, -shift);
 170                   errors ++;
 171                 }
 172             }
 173         }
 174   return errors;
 175 }
 176
 177
 178 int
 179 check_extract (int nr_bits,
 180                const char *extracted,
 181                const char *inserted,
 182                const char *masked)
 183 {
 184   int errors = 0;
 185   int row;
 186   int col;
 187   for (row = 0; row < nr_bits; row++)
 188     for (col = 0; col < nr_bits; col ++)
 189       if ((WITH_TARGET_WORD_MSB == 0 && row <= col)
 190           || (WITH_TARGET_WORD_MSB != 0 && row >= col))
 191         {
 192           long long mask = calc (masked, -1, row, col);
 193           long long extr = calc (extracted, mask, row, col);
 194           long long inst = calc (inserted, extr, row, col);
 195           if (mask != inst)
 196             {
 197               fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
 198               fprintf (stderr, " %s(%d,%d)=0x%08lx%08lx -> %s=0x%08lx%08lx -> %s=0x%08lx%08lx failed\n",
 199                        masked, row, col, (long)(mask >> 32), (long)mask,
 200                        extracted, (long)(extr >> 32), (long)extr,
 201                        inserted, (long)(inst >> 32), (long)inst);
 202               errors ++;
 203             }
 204         }
 205   return errors;
 206 }
 207
 208
 209 int
 210 check_bits (int call,
 211             test_spec **tests)
 212 {
 213   int r;
 214   int c;
 215   int errors = 0;
 216   while (*tests != NULL)
 217     {
 218       int nr_rows = (*tests)->nr_rows;
 219       int nr_cols = (*tests)->nr_cols;
 220       test_tuples *tuples = (*tests)->tuples;
 221       for (r = 0; r < nr_rows; r++)
 222         for (c = 0; c < nr_cols; c++)
 223           {
 224             int i = r * nr_rows + c;
 225             test_tuples *tuple = &tuples[i];
 226             if (tuple->col >= 0)
 227               {
 228                 long long val = (!call ? tuple->val : calc ((*tests)->macro, -1,
 229                                                             tuple->row, tuple->col));
 230                 long long check = tuple->check;
 231                 if (val != check)
 232                   {
 233                     fprintf (stderr, "%s:%d:", (*tests)->file, tuple->line);
 234                     fprintf (stderr, " %s", (*tests)->macro);
 235                     if (tuple->row >= 0)
 236                       fprintf (stderr, " (%d, %d)", tuple->row, tuple->col);
 237                     else
 238                       fprintf (stderr, " (%d)", tuple->col);
 239                     fprintf (stderr, " == 0x%08lx%08lx wrong, != 0x%08lx%08lx)\n",
 240                              (long) (val >> 32), (long) val,
 241                              (long) (check >> 32), (long) check);
 242                     errors ++;
 243                   }
 244               }
 245           }
 246       tests ++;
 247     }
 248   return errors;
 249 }
 250
 251
 252 int
 253 main (argc, argv)
 254      int argc;
 255      char **argv;
 256 {
 257   int errors = 0;
 258
 259
 260 #if defined (DO_BIT_TESTS)
 261   printf ("Checking BIT*\n");
 262   errors += check_bits (0, bit_tests);
 263 #endif
 264
 265
 266 #if defined (DO_MASK_TESTS)
 267   printf ("Checking MASK*\n");
 268   errors += check_bits (0, mask_tests);
 269
 270   printf ("Checking MASKED*\n");
 271   errors += check_bits (1, mask_tests);
 272 #endif
 273
 274
 275 #if defined (DO_LSMASK_TESTS)
 276   printf ("Checking LSMASK*\n");
 277   errors += check_bits (0, lsmask_tests);
 278
 279   printf ("Checking LSMASKED*\n");
 280   errors += check_bits (1, lsmask_tests);
 281 #endif
 282
 283
 284 #if defined (DO_MSMASK_TESTS)
 285   printf ("Checking MSMASK*\n");
 286   errors += check_bits (0, msmask_tests);
 287
 288   printf ("Checking MSMASKED*\n");
 289   errors += check_bits (1, msmask_tests);
 290 #endif
 291
 292
 293   printf ("Checking EXTRACTED*\n");
 294   errors += check_extract (16, "EXTRACT16", "INSERT16", "MASK16");
 295   errors += check_extract (32, "EXTRACT32", "INSERT32", "MASK32");
 296   errors += check_extract (64, "EXTRACT64", "INSERT64", "MASK64");
 297   errors += check_extract (64, "EXTRACT", "INSERT", "MASK");
 298
 299
 300
 301   printf ("Checking SEXT*\n");
 302   errors += check_sext (16, "SEXT16", "MASK16", "MSMASK16");
 303   errors += check_sext (32, "SEXT32", "MASK32", "MSMASK32");
 304   errors += check_sext (64, "SEXT64", "MASK64", "MSMASK64");
 305   errors += check_sext (64, "SEXT", "MASK", "MSMASK");
 306
 307
 308   printf ("Checking ROT*\n");
 309   errors += check_rot (16, "ROT16", "MASK16");
 310   errors += check_rot (32, "ROT32", "MASK32");
 311   errors += check_rot (64, "ROT64", "MASK64");
 312
 313
 314   return errors != 0;
 315 }