bits-tst.c 12 KB
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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408
# 2 "bits-tst.c"

/* Drive the bit test routines */


long long
calc (const char *call,
      long long val,
      int row,
      int col)
{
  if (strcmp (call, "MASK") == 0)
    return MASKED (val, row, col);
  if (strcmp (call, "MASK8") == 0)
    return MASKED8 (val, row, col);
  if (strcmp (call, "MASK16") == 0)
    return MASKED16 (val, row, col);
  if (strcmp (call, "MASK32") == 0)
    return MASKED32 (val, row, col);
  if (strcmp (call, "MASK64") == 0)
    return MASKED64 (val, row, col);

  if (strcmp (call, "EXTRACT") == 0)
    return EXTRACTED (val, row, col);
  if (strcmp (call, "EXTRACT8") == 0)
    return EXTRACTED8 (val, row, col);
  if (strcmp (call, "EXTRACT16") == 0)
    return EXTRACTED16 (val, row, col);
  if (strcmp (call, "EXTRACT32") == 0)
    return EXTRACTED32 (val, row, col);
  if (strcmp (call, "EXTRACT64") == 0)
    return EXTRACTED64 (val, row, col);

  if (strcmp (call, "LSEXTRACT") == 0)
    return LSEXTRACTED (val, row, col);
  if (strcmp (call, "LSEXTRACT8") == 0)
    return LSEXTRACTED8 (val, row, col);
  if (strcmp (call, "LSEXTRACT16") == 0)
    return LSEXTRACTED16 (val, row, col);
  if (strcmp (call, "LSEXTRACT32") == 0)
    return LSEXTRACTED32 (val, row, col);
  if (strcmp (call, "LSEXTRACT64") == 0)
    return LSEXTRACTED64 (val, row, col);

  if (strcmp (call, "MSEXTRACT") == 0)
    return MSEXTRACTED (val, row, col);
  if (strcmp (call, "MSEXTRACT8") == 0)
    return MSEXTRACTED8 (val, row, col);
  if (strcmp (call, "MSEXTRACT16") == 0)
    return MSEXTRACTED16 (val, row, col);
  if (strcmp (call, "MSEXTRACT32") == 0)
    return MSEXTRACTED32 (val, row, col);
  if (strcmp (call, "MSEXTRACT64") == 0)
    return MSEXTRACTED64 (val, row, col);

  if (strcmp (call, "INSERT") == 0)
    return INSERTED (val, row, col);
  if (strcmp (call, "INSERT8") == 0)
    return INSERTED8 (val, row, col);
  if (strcmp (call, "INSERT16") == 0)
    return INSERTED16 (val, row, col);
  if (strcmp (call, "INSERT32") == 0)
    return INSERTED32 (val, row, col);
  if (strcmp (call, "INSERT64") == 0)
    return INSERTED64 (val, row, col);

  if (strcmp (call, "LSINSERT") == 0)
    return LSINSERTED (val, row, col);
  if (strcmp (call, "LSINSERT8") == 0)
    return LSINSERTED8 (val, row, col);
  if (strcmp (call, "LSINSERT16") == 0)
    return LSINSERTED16 (val, row, col);
  if (strcmp (call, "LSINSERT32") == 0)
    return LSINSERTED32 (val, row, col);
  if (strcmp (call, "LSINSERT64") == 0)
    return LSINSERTED64 (val, row, col);

  if (strcmp (call, "MSINSERT") == 0)
    return MSINSERTED (val, row, col);
  if (strcmp (call, "MSINSERT8") == 0)
    return MSINSERTED8 (val, row, col);
  if (strcmp (call, "MSINSERT16") == 0)
    return MSINSERTED16 (val, row, col);
  if (strcmp (call, "MSINSERT32") == 0)
    return MSINSERTED32 (val, row, col);
  if (strcmp (call, "MSINSERT64") == 0)
    return MSINSERTED64 (val, row, col);

  if (strcmp (call, "MSMASK") == 0)
    return MSMASKED (val, row, col);
  if (strcmp (call, "MSMASK8") == 0)
    return MSMASKED8 (val, row, col);
  if (strcmp (call, "MSMASK16") == 0)
    return MSMASKED16 (val, row, col);
  if (strcmp (call, "MSMASK32") == 0)
    return MSMASKED32 (val, row, col);
  if (strcmp (call, "MSMASK64") == 0)
    return MSMASKED64 (val, row, col);

  if (strcmp (call, "LSMASK") == 0)
    return LSMASKED (val, row, col);
  if (strcmp (call, "LSMASK8") == 0)
    return LSMASKED8 (val, row, col);
  if (strcmp (call, "LSMASK16") == 0)
    return LSMASKED16 (val, row, col);
  if (strcmp (call, "LSMASK32") == 0)
    return LSMASKED32 (val, row, col);
  if (strcmp (call, "LSMASK64") == 0)
    return LSMASKED64 (val, row, col);

  if (strcmp (call, "ROT64") == 0)
    return ROT64 (val, col);
  if (strcmp (call, "ROT8") == 0)
    return ROT8 (val, col);
  if (strcmp (call, "ROT16") == 0)
    return ROT16 (val, col);
  if (strcmp (call, "ROT32") == 0)
    return ROT32 (val, col);

  if (strcmp (call, "SEXT") == 0)
    return SEXT (val, col);
  if (strcmp (call, "SEXT8") == 0)
    return SEXT8 (val, col);
  if (strcmp (call, "SEXT16") == 0)
    return SEXT16 (val, col);
  if (strcmp (call, "SEXT32") == 0)
    return SEXT32 (val, col);
  if (strcmp (call, "SEXT64") == 0)
    return SEXT64 (val, col);

  if (strcmp (call, "LSSEXT") == 0)
    return LSSEXT (val, col);
  if (strcmp (call, "LSSEXT8") == 0)
    return LSSEXT8 (val, col);
  if (strcmp (call, "LSSEXT16") == 0)
    return LSSEXT16 (val, col);
  if (strcmp (call, "LSSEXT32") == 0)
    return LSSEXT32 (val, col);
  if (strcmp (call, "LSSEXT64") == 0)
    return LSSEXT64 (val, col);

  if (strcmp (call, "MSSEXT8") == 0)
    return MSSEXT8 (val, col);
  if (strcmp (call, "MSSEXT16") == 0)
    return MSSEXT16 (val, col);
  if (strcmp (call, "MSSEXT32") == 0)
    return MSSEXT32 (val, col);
  if (strcmp (call, "MSSEXT64") == 0)
    return MSSEXT64 (val, col);
  if (strcmp (call, "MSSEXT") == 0)
    return MSSEXT (val, col);

  else
    {
      fprintf (stderr,
	       "Unknown call passed to calc (%s, 0x%08lx%08lx, %d, %d)\n",
	       call, (long)(val >> 32), (long)val, row, col);
      abort ();
      return val;
    }
}


int
check_sext (int nr_bits,
	    int msb_nr,
	    const char *sexted,
	    const char *masked,
	    const char *msmasked)
{
  int errors = 0;
  int col;
  for (col = 0; col < nr_bits; col ++)
    {
      long long mask = calc (masked, -1, col, col);
      long long msmask = calc (msmasked, -1,
			       0, (msb_nr ? nr_bits - col - 1 : col));
      long long sext = calc (sexted, mask, -1, col);
      long long mask_1 = mask >> 1;
      long long sext_1 = calc (sexted, mask_1, -1, col);
      long long mask_0 = (mask << 1) | mask_1;
      long long sext_0 = calc (sexted, mask_0, -1, col);
      if (sext_0 != mask_1)
	{
	  fprintf (stderr,
		   "%s:%d: ", __FILE__, __LINE__);
	  fprintf (stderr,
		   " %s(0x%08lx%08lx,%d) == 0x%08lx%08lx wrong, != 0x%08lx%08lx\n",
		   sexted, (long)(mask_0 >> 32), (long)mask_0, col,
		   (long)(sext_0 >> 32), (long)sext_0,
		   (long)(mask_1 >> 32), (long)mask_1);
	  errors ++;
	}
      if (sext_1 != mask_1)
	{
	  fprintf (stderr,
		   "%s:%d: ", __FILE__, __LINE__);
	  fprintf (stderr,
		   " %s(0x%08lx%08lx,%d) == 0x%08lx%08lx wrong, != 0x%08lx%08lx\n",
		   sexted, (long)(mask_1 >> 32), (long)mask_1, col,
		   (long)(sext_1 >> 32), (long)sext_1,
		   (long)(mask_1 >> 32), (long)mask_1);
	  errors ++;
	}
      if (sext != msmask)
	{
	  fprintf (stderr,
		   "%s:%d: ", __FILE__, __LINE__);
	  fprintf (stderr,
		   " %s(0x%08lx%08lx,%d) == 0x%08lx%08lx wrong, != 0x%08lx%08lx (%s(%d,%d))\n",
		   sexted, (long)(mask >> 32), (long)mask, col,
		   (long)(sext >> 32), (long)sext,
		   (long)(msmask >> 32), (long)msmask,
		   msmasked, 0, (msb_nr ? nr_bits - col - 1 : col));
	  errors ++;
	}

    }
  return errors;
}


int
check_rot (int nr_bits,
	   const char *roted,
	   const char *masked)
{
  int errors = 0;
  int row;
  int col;
  for (row = 0; row < nr_bits; row++)
    for (col = 0; col < nr_bits; col++)
      if ((WITH_TARGET_WORD_MSB == 0 && row <= col)
	  || (WITH_TARGET_WORD_MSB != 0 && row >= col))
	{
	  long long mask = calc (masked, -1, row, col);
	  int shift;
	  for (shift = -nr_bits + 1; shift < nr_bits; shift ++)
	    {
	      long long rot = calc (roted, mask, -1, shift);
	      long long urot = calc (roted, rot, -1, -shift);
	      if (mask != urot
		  || (shift == 0 && rot != mask)
		  || (shift != 0 && rot == mask && abs(row - col) != (nr_bits - 1)))
		{
		  fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
		  fprintf (stderr, " %s(%s(0x%08lx%08lx,%d) == 0x%08lx%08lx, %d) failed\n",
			   roted, roted,
			   (long)(mask >> 32), (long)mask, shift,
			   (long)(urot >> 32), (long)urot, -shift);
		  errors ++;
		}
	    }
	}
  return errors;
}


int
check_extract (int nr_bits,
	       const char *extracted,
	       const char *inserted,
	       const char *masked)
{
  int errors = 0;
  int row;
  int col;
  for (row = 0; row < nr_bits; row++)
    for (col = 0; col < nr_bits; col ++)
      if ((WITH_TARGET_WORD_MSB == 0 && row <= col)
	  || (WITH_TARGET_WORD_MSB != 0 && row >= col))
	{
	  long long mask = calc (masked, -1, row, col);
	  long long extr = calc (extracted, mask, row, col);
	  long long inst = calc (inserted, extr, row, col);
	  if (mask != inst)
	    {
	      fprintf (stderr, "%s:%d: ", __FILE__, __LINE__);
	      fprintf (stderr, " %s(%d,%d)=0x%08lx%08lx -> %s=0x%08lx%08lx -> %s=0x%08lx%08lx failed\n",
		       masked, row, col, (long)(mask >> 32), (long)mask,
		       extracted, (long)(extr >> 32), (long)extr,
		       inserted, (long)(inst >> 32), (long)inst);
	      errors ++;
	    }
	}
  return errors;
}


int
check_bits (int call,
	    test_spec **tests)
{
  int r;
  int c;
  int errors = 0;
  while (*tests != NULL)
    {
      int nr_rows = (*tests)->nr_rows;
      int nr_cols = (*tests)->nr_cols;
      test_tuples *tuples = (*tests)->tuples;
      for (r = 0; r < nr_rows; r++)
	for (c = 0; c < nr_cols; c++)
	  {
	    int i = r * nr_rows + c;
	    test_tuples *tuple = &tuples[i];
	    if (tuple->col >= 0)
	      {
		long long val = (!call ? tuple->val : calc ((*tests)->macro, -1,
							    tuple->row, tuple->col));
		long long check = tuple->check;
		if (val != check)
		  {
		    fprintf (stderr, "%s:%d:", (*tests)->file, tuple->line);
		    fprintf (stderr, " %s", (*tests)->macro);
		    if (tuple->row >= 0)
		      fprintf (stderr, " (%d, %d)", tuple->row, tuple->col);
		    else
		      fprintf (stderr, " (%d)", tuple->col);
		    fprintf (stderr, " == 0x%08lx%08lx wrong, != 0x%08lx%08lx\n",
			     (long) (val >> 32), (long) val,
			     (long) (check >> 32), (long) check);
		    errors ++;
		  }
	      }
	  }
      tests ++;
    }
  return errors;
}     


int
main (argc, argv)
     int argc;
     char **argv;
{
  int errors = 0;


#if defined (DO_BIT_TESTS)
  printf ("Checking BIT*\n");
  errors += check_bits (0, bit_tests);
#endif


#if defined (DO_MASK_TESTS)
  printf ("Checking MASK*\n");
  errors += check_bits (0, mask_tests);

  printf ("Checking MASKED*\n");
  errors += check_bits (1, mask_tests);
#endif


#if defined (DO_LSMASK_TESTS)
  printf ("Checking LSMASK*\n");
  errors += check_bits (0, lsmask_tests);

  printf ("Checking LSMASKED*\n");
  errors += check_bits (1, lsmask_tests);
#endif


#if defined (DO_MSMASK_TESTS)
  printf ("Checking MSMASK*\n");
  errors += check_bits (0, msmask_tests);

  printf ("Checking MSMASKED*\n");
  errors += check_bits (1, msmask_tests);
#endif


  printf ("Checking EXTRACTED*\n");
  errors += check_extract ( 8, "EXTRACT8",  "INSERT8",  "MASK8");
  errors += check_extract (16, "EXTRACT16", "INSERT16", "MASK16");
  errors += check_extract (32, "EXTRACT32", "INSERT32", "MASK32");
  errors += check_extract (64, "EXTRACT64", "INSERT64", "MASK64");
  errors += check_extract (64, "EXTRACT",   "INSERT",   "MASK");

  printf ("Checking SEXT*\n");
  errors += check_sext ( 8, WITH_TARGET_WORD_MSB, "SEXT8",  "MASK8",  "MSMASK8");
  errors += check_sext (16, WITH_TARGET_WORD_MSB, "SEXT16", "MASK16", "MSMASK16");
  errors += check_sext (32, WITH_TARGET_WORD_MSB, "SEXT32", "MASK32", "MSMASK32");
  errors += check_sext (64, WITH_TARGET_WORD_MSB, "SEXT64", "MASK64", "MSMASK64");
  errors += check_sext (64, WITH_TARGET_WORD_MSB, "SEXT",   "MASK",   "MSMASK");
  
  printf ("Checking LSSEXT*\n");
  errors += check_sext ( 8,  8 - 1, "LSSEXT8",  "LSMASK8",  "MSMASK8");
  errors += check_sext (16, 16 - 1, "LSSEXT16", "LSMASK16", "MSMASK16");
  errors += check_sext (32, 32 - 1, "LSSEXT32", "LSMASK32", "MSMASK32");
  errors += check_sext (64, 64 - 1, "LSSEXT64", "LSMASK64", "MSMASK64");
  errors += check_sext (64, WITH_TARGET_WORD_BITSIZE - 1, "LSSEXT",   "LSMASK",   "MSMASK");
  
  printf ("Checking MSSEXT*\n");
  errors += check_sext (8,   0, "MSSEXT8",  "MSMASK8",  "MSMASK8");
  errors += check_sext (16,  0, "MSSEXT16", "MSMASK16", "MSMASK16");
  errors += check_sext (32,  0, "MSSEXT32", "MSMASK32", "MSMASK32");
  errors += check_sext (64,  0, "MSSEXT64", "MSMASK64", "MSMASK64");
  errors += check_sext (64,  0, "MSSEXT",   "MSMASK",   "MSMASK");
  
  printf ("Checking ROT*\n");
  errors += check_rot (16, "ROT16", "MASK16");
  errors += check_rot (32, "ROT32", "MASK32");
  errors += check_rot (64, "ROT64", "MASK64");

  return errors != 0;
}