gcc/print-tree.c

   1 /* Prints out tree in human readable form - GNU C-compiler
   2    Copyright (C) 1990, 1991, 1993, 1994, 1995 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 #include "config.h"
  22 #include "tree.h"
  23 #include <stdio.h>
  24
  25 extern char **tree_code_name;
  26
  27 extern char *mode_name[];
  28
  29 void print_node ();
  30 void indent_to ();
  31
  32 /* Define the hash table of nodes already seen.
  33    Such nodes are not repeated; brief cross-references are used.  */
  34
  35 #define HASH_SIZE 37
  36
  37 struct bucket
  38 {
  39   tree node;
  40   struct bucket *next;
  41 };
  42
  43 static struct bucket **table;
  44
  45 /* Print the node NODE on standard error, for debugging.
  46    Most nodes referred to by this one are printed recursively
  47    down to a depth of six.  */
  48
  49 void
  50 debug_tree (node)
  51      tree node;
  52 {
  53   char *object = (char *) oballoc (0);
  54
  55   table = (struct bucket **) oballoc (HASH_SIZE * sizeof (struct bucket *));
  56   bzero ((char *) table, HASH_SIZE * sizeof (struct bucket *));
  57   print_node (stderr, "", node, 0);
  58   table = 0;
  59   obfree (object);
  60   fprintf (stderr, "\n");
  61 }
  62
  63 /* Print a node in brief fashion, with just the code, address and name.  */
  64
  65 void
  66 print_node_brief (file, prefix, node, indent)
  67      FILE *file;
  68      char *prefix;
  69      tree node;
  70      int indent;
  71 {
  72   char class;
  73
  74   if (node == 0)
  75     return;
  76
  77   class = TREE_CODE_CLASS (TREE_CODE (node));
  78
  79   /* Always print the slot this node is in, and its code, address and
  80      name if any.  */
  81   if (indent > 0)
  82     fprintf (file, " ");
  83   fprintf (file, "%s <%s ", prefix, tree_code_name[(int) TREE_CODE (node)]);
  84   fprintf (file, HOST_PTR_PRINTF, (HOST_WIDE_INT) node);
  85
  86   if (class == 'd')
  87     {
  88       if (DECL_NAME (node))
  89         fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
  90     }
  91   else if (class == 't')
  92     {
  93       if (TYPE_NAME (node))
  94         {
  95           if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
  96             fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
  97           else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
  98                    && DECL_NAME (TYPE_NAME (node)))
  99             fprintf (file, " %s",
 100                      IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
 101         }
 102     }
 103   if (TREE_CODE (node) == IDENTIFIER_NODE)
 104     fprintf (file, " %s", IDENTIFIER_POINTER (node));
 105   /* We might as well always print the value of an integer.  */
 106   if (TREE_CODE (node) == INTEGER_CST)
 107     {
 108       if (TREE_CONSTANT_OVERFLOW (node))
 109         fprintf (file, " overflow");
 110
 111       if (TREE_INT_CST_HIGH (node) == 0)
 112         fprintf (file,
 113 #if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 114                  " %1u",
 115 #else
 116                  " %1lu",
 117 #endif
 118                  TREE_INT_CST_LOW (node));
 119       else if (TREE_INT_CST_HIGH (node) == -1
 120                && TREE_INT_CST_LOW (node) != 0)
 121         fprintf (file,
 122 #if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 123                  " -%1u",
 124 #else
 125                  " -%1lu",
 126 #endif
 127                  -TREE_INT_CST_LOW (node));
 128       else
 129         fprintf (file,
 130 #if HOST_BITS_PER_WIDE_INT == 64
 131 #if HOST_BITS_PER_WIDE_INT != HOST_BITS_PER_INT
 132                  " 0x%lx%016lx",
 133 #else
 134                  " 0x%x%016x",
 135 #endif
 136 #else
 137 #if HOST_BITS_PER_WIDE_INT != HOST_BITS_PER_INT
 138                  " 0x%lx%08lx",
 139 #else
 140                  " 0x%x%08x",
 141 #endif
 142 #endif
 143                  TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
 144     }
 145   if (TREE_CODE (node) == REAL_CST)
 146     {
 147       REAL_VALUE_TYPE d;
 148
 149       if (TREE_OVERFLOW (node))
 150         fprintf (file, " overflow");
 151
 152 #if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
 153       d = TREE_REAL_CST (node);
 154       if (REAL_VALUE_ISINF (d))
 155         fprintf (file, " Inf");
 156       else if (REAL_VALUE_ISNAN (d))
 157         fprintf (file, " Nan");
 158       else
 159         {
 160           char string[100];
 161
 162           REAL_VALUE_TO_DECIMAL (d, "%e", string);
 163           fprintf (file, " %s", string);
 164         }
 165 #else
 166       {
 167         int i;
 168         unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
 169         fprintf (file, " 0x");
 170         for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
 171           fprintf (file, "%02x", *p++);
 172         fprintf (file, "");
 173       }
 174 #endif
 175     }
 176
 177   fprintf (file, ">");
 178 }
 179
 180 void
 181 indent_to (file, column)
 182      FILE *file;
 183      int column;
 184 {
 185   int i;
 186
 187   /* Since this is the long way, indent to desired column.  */
 188   if (column > 0)
 189     fprintf (file, "\n");
 190   for (i = 0; i < column; i++)
 191     fprintf (file, " ");
 192 }
 193 \f
 194 /* Print the node NODE in full on file FILE, preceded by PREFIX,
 195    starting in column INDENT.  */
 196
 197 void
 198 print_node (file, prefix, node, indent)
 199      FILE *file;
 200      char *prefix;
 201      tree node;
 202      int indent;
 203 {
 204   int hash;
 205   struct bucket *b;
 206   enum machine_mode mode;
 207   char class;
 208   int len;
 209   int first_rtl;
 210   int i;
 211
 212   if (node == 0)
 213     return;
 214
 215   class = TREE_CODE_CLASS (TREE_CODE (node));
 216
 217   /* Don't get too deep in nesting.  If the user wants to see deeper,
 218      it is easy to use the address of a lowest-level node
 219      as an argument in another call to debug_tree.  */
 220
 221   if (indent > 24)
 222     {
 223       print_node_brief (file, prefix, node, indent);
 224       return;
 225     }
 226
 227   if (indent > 8 && (class == 't' || class == 'd'))
 228     {
 229       print_node_brief (file, prefix, node, indent);
 230       return;
 231     }
 232
 233   /* It is unsafe to look at any other filds of an ERROR_MARK node. */
 234   if (TREE_CODE (node) == ERROR_MARK)
 235     {
 236       print_node_brief (file, prefix, node, indent);
 237       return;
 238     }
 239
 240   hash = ((unsigned HOST_WIDE_INT) node) % HASH_SIZE;
 241
 242   /* If node is in the table, just mention its address.  */
 243   for (b = table[hash]; b; b = b->next)
 244     if (b->node == node)
 245       {
 246         print_node_brief (file, prefix, node, indent);
 247         return;
 248       }
 249
 250   /* Add this node to the table.  */
 251   b = (struct bucket *) oballoc (sizeof (struct bucket));
 252   b->node = node;
 253   b->next = table[hash];
 254   table[hash] = b;
 255
 256   /* Indent to the specified column, since this is the long form.  */
 257   indent_to (file, indent);
 258
 259   /* Print the slot this node is in, and its code, and address.  */
 260   fprintf (file, "%s <%s ", prefix, tree_code_name[(int) TREE_CODE (node)]);
 261   fprintf (file, HOST_PTR_PRINTF, (HOST_WIDE_INT) node);
 262
 263   /* Print the name, if any.  */
 264   if (class == 'd')
 265     {
 266       if (DECL_NAME (node))
 267         fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
 268     }
 269   else if (class == 't')
 270     {
 271       if (TYPE_NAME (node))
 272         {
 273           if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
 274             fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
 275           else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
 276                    && DECL_NAME (TYPE_NAME (node)))
 277             fprintf (file, " %s",
 278                      IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
 279         }
 280     }
 281   if (TREE_CODE (node) == IDENTIFIER_NODE)
 282     fprintf (file, " %s", IDENTIFIER_POINTER (node));
 283
 284   if (TREE_CODE (node) == INTEGER_CST)
 285     {
 286       if (indent <= 4)
 287         print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
 288     }
 289   else
 290     {
 291       print_node (file, "type", TREE_TYPE (node), indent + 4);
 292       if (TREE_TYPE (node))
 293         indent_to (file, indent + 3);
 294
 295       print_obstack_name ((char *) node, file, "");
 296       indent_to (file, indent + 3);
 297     }
 298
 299   /* If a permanent object is in the wrong obstack, or the reverse, warn.  */
 300   if (object_permanent_p (node) != TREE_PERMANENT (node))
 301     {
 302       if (TREE_PERMANENT (node))
 303         fputs (" !!permanent object in non-permanent obstack!!", file);
 304       else
 305         fputs (" !!non-permanent object in permanent obstack!!", file);
 306       indent_to (file, indent + 3);
 307     }
 308
 309   if (TREE_SIDE_EFFECTS (node))
 310     fputs (" side-effects", file);
 311   if (TREE_READONLY (node))
 312     fputs (" readonly", file);
 313   if (TREE_CONSTANT (node))
 314     fputs (" constant", file);
 315   if (TREE_ADDRESSABLE (node))
 316     fputs (" addressable", file);
 317   if (TREE_THIS_VOLATILE (node))
 318     fputs (" volatile", file);
 319   if (TREE_UNSIGNED (node))
 320     fputs (" unsigned", file);
 321   if (TREE_ASM_WRITTEN (node))
 322     fputs (" asm_written", file);
 323   if (TREE_USED (node))
 324     fputs (" used", file);
 325   if (TREE_RAISES (node))
 326     fputs (" raises", file);
 327   if (TREE_PERMANENT (node))
 328     fputs (" permanent", file);
 329   if (TREE_PUBLIC (node))
 330     fputs (" public", file);
 331   if (TREE_STATIC (node))
 332     fputs (" static", file);
 333   if (TREE_LANG_FLAG_0 (node))
 334     fputs (" tree_0", file);
 335   if (TREE_LANG_FLAG_1 (node))
 336     fputs (" tree_1", file);
 337   if (TREE_LANG_FLAG_2 (node))
 338     fputs (" tree_2", file);
 339   if (TREE_LANG_FLAG_3 (node))
 340     fputs (" tree_3", file);
 341   if (TREE_LANG_FLAG_4 (node))
 342     fputs (" tree_4", file);
 343   if (TREE_LANG_FLAG_5 (node))
 344     fputs (" tree_5", file);
 345   if (TREE_LANG_FLAG_6 (node))
 346     fputs (" tree_6", file);
 347
 348   /* DECL_ nodes have additional attributes.  */
 349
 350   switch (TREE_CODE_CLASS (TREE_CODE (node)))
 351     {
 352     case 'd':
 353       mode = DECL_MODE (node);
 354
 355       if (DECL_IGNORED_P (node))
 356         fputs (" ignored", file);
 357       if (DECL_ABSTRACT (node))
 358         fputs (" abstract", file);
 359       if (DECL_IN_SYSTEM_HEADER (node))
 360         fputs (" in_system_header", file);
 361       if (DECL_COMMON (node))
 362         fputs (" common", file);
 363       if (DECL_EXTERNAL (node))
 364         fputs (" external", file);
 365       if (DECL_REGISTER (node))
 366         fputs (" regdecl", file);
 367       if (DECL_PACKED (node))
 368         fputs (" packed", file);
 369       if (DECL_NONLOCAL (node))
 370         fputs (" nonlocal", file);
 371       if (DECL_INLINE (node))
 372         fputs (" inline", file);
 373
 374       if (TREE_CODE (node) == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
 375         fputs (" supress-debug", file);
 376
 377       if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN (node))
 378         fputs (" built-in", file);
 379       if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN_NONANSI (node))
 380         fputs (" built-in-nonansi", file);
 381
 382       if (TREE_CODE (node) == FIELD_DECL && DECL_BIT_FIELD (node))
 383         fputs (" bit-field", file);
 384       if (TREE_CODE (node) == LABEL_DECL && DECL_TOO_LATE (node))
 385         fputs (" too-late", file);
 386       if (TREE_CODE (node) == VAR_DECL && DECL_IN_TEXT_SECTION (node))
 387         fputs (" in-text-section", file);
 388
 389       if (DECL_VIRTUAL_P (node))
 390         fputs (" virtual", file);
 391       if (DECL_DEFER_OUTPUT (node))
 392         fputs (" defer-output", file);
 393       if (DECL_TRANSPARENT_UNION (node))
 394         fputs (" transparent-union", file);
 395
 396       if (DECL_LANG_FLAG_0 (node))
 397         fputs (" decl_0", file);
 398       if (DECL_LANG_FLAG_1 (node))
 399         fputs (" decl_1", file);
 400       if (DECL_LANG_FLAG_2 (node))
 401         fputs (" decl_2", file);
 402       if (DECL_LANG_FLAG_3 (node))
 403         fputs (" decl_3", file);
 404       if (DECL_LANG_FLAG_4 (node))
 405         fputs (" decl_4", file);
 406       if (DECL_LANG_FLAG_5 (node))
 407         fputs (" decl_5", file);
 408       if (DECL_LANG_FLAG_6 (node))
 409         fputs (" decl_6", file);
 410       if (DECL_LANG_FLAG_7 (node))
 411         fputs (" decl_7", file);
 412
 413       fprintf (file, " %s", mode_name[(int) mode]);
 414
 415       fprintf (file, " file %s line %d",
 416                DECL_SOURCE_FILE (node), DECL_SOURCE_LINE (node));
 417
 418       print_node (file, "size", DECL_SIZE (node), indent + 4);
 419       print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
 420       indent_to (file, indent + 3);
 421       if (TREE_CODE (node) != FUNCTION_DECL)
 422         fprintf (file, " align %d", DECL_ALIGN (node));
 423       else if (DECL_INLINE (node))
 424         fprintf (file, " frame_size %d", DECL_FRAME_SIZE (node));
 425       else if (DECL_BUILT_IN (node))
 426         fprintf (file, " built-in code %d", DECL_FUNCTION_CODE (node));
 427       if (TREE_CODE (node) == FIELD_DECL)
 428         print_node (file, "bitpos", DECL_FIELD_BITPOS (node), indent + 4);
 429       print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
 430       print_node_brief (file, "machine_attributes", DECL_MACHINE_ATTRIBUTES (node), indent + 4);
 431       print_node_brief (file, "abstract_origin",
 432                         DECL_ABSTRACT_ORIGIN (node), indent + 4);
 433
 434       print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
 435       print_node (file, "result", DECL_RESULT (node), indent + 4);
 436       print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);
 437
 438       print_lang_decl (file, node, indent);
 439
 440       if (DECL_RTL (node) != 0)
 441         {
 442           indent_to (file, indent + 4);
 443           print_rtl (file, DECL_RTL (node));
 444         }
 445
 446       if (DECL_SAVED_INSNS (node) != 0)
 447         {
 448           indent_to (file, indent + 4);
 449           if (TREE_CODE (node) == PARM_DECL)
 450             {
 451               fprintf (file, "incoming-rtl ");
 452               print_rtl (file, DECL_INCOMING_RTL (node));
 453             }
 454           else if (TREE_CODE (node) == FUNCTION_DECL)
 455             {
 456               fprintf (file, "saved-insns ");
 457               fprintf (file, HOST_PTR_PRINTF,
 458                        (HOST_WIDE_INT) DECL_SAVED_INSNS (node));
 459             }
 460         }
 461
 462       /* Print the decl chain only if decl is at second level.  */
 463       if (indent == 4)
 464         print_node (file, "chain", TREE_CHAIN (node), indent + 4);
 465       else
 466         print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
 467       break;
 468
 469     case 't':
 470       if (TYPE_NO_FORCE_BLK (node))
 471         fputs (" no-force-blk", file);
 472       if (TYPE_STRING_FLAG (node))
 473         fputs (" string-flag", file);
 474       if (TYPE_NEEDS_CONSTRUCTING (node))
 475         fputs (" needs-constructing", file);
 476       if (TYPE_TRANSPARENT_UNION (node))
 477         fputs (" transparent-union", file);
 478       if (TYPE_PACKED (node))
 479         fputs (" packed", file);
 480
 481       if (TYPE_LANG_FLAG_0 (node))
 482         fputs (" type_0", file);
 483       if (TYPE_LANG_FLAG_1 (node))
 484         fputs (" type_1", file);
 485       if (TYPE_LANG_FLAG_2 (node))
 486         fputs (" type_2", file);
 487       if (TYPE_LANG_FLAG_3 (node))
 488         fputs (" type_3", file);
 489       if (TYPE_LANG_FLAG_4 (node))
 490         fputs (" type_4", file);
 491       if (TYPE_LANG_FLAG_5 (node))
 492         fputs (" type_5", file);
 493       if (TYPE_LANG_FLAG_6 (node))
 494         fputs (" type_6", file);
 495
 496       mode = TYPE_MODE (node);
 497       fprintf (file, " %s", mode_name[(int) mode]);
 498
 499       print_node (file, "size", TYPE_SIZE (node), indent + 4);
 500       indent_to (file, indent + 3);
 501
 502       fprintf (file, " align %d", TYPE_ALIGN (node));
 503       fprintf (file, " symtab %d", TYPE_SYMTAB_ADDRESS (node));
 504
 505       print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
 506
 507       if (TREE_CODE (node) == ARRAY_TYPE || TREE_CODE (node) == SET_TYPE)
 508         print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
 509       else if (TREE_CODE (node) == INTEGER_TYPE
 510                || TREE_CODE (node) == BOOLEAN_TYPE
 511                || TREE_CODE (node) == CHAR_TYPE)
 512         {
 513           fprintf (file, " precision %d", TYPE_PRECISION (node));
 514           print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
 515           print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
 516         }
 517       else if (TREE_CODE (node) == ENUMERAL_TYPE)
 518         {
 519           fprintf (file, " precision %d", TYPE_PRECISION (node));
 520           print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
 521           print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
 522           print_node (file, "values", TYPE_VALUES (node), indent + 4);
 523         }
 524       else if (TREE_CODE (node) == REAL_TYPE)
 525         fprintf (file, " precision %d", TYPE_PRECISION (node));
 526       else if (TREE_CODE (node) == RECORD_TYPE
 527                || TREE_CODE (node) == UNION_TYPE
 528                || TREE_CODE (node) == QUAL_UNION_TYPE)
 529         print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
 530       else if (TREE_CODE (node) == FUNCTION_TYPE || TREE_CODE (node) == METHOD_TYPE)
 531         {
 532           if (TYPE_METHOD_BASETYPE (node))
 533             print_node_brief (file, "method basetype", TYPE_METHOD_BASETYPE (node), indent + 4);
 534           print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
 535         }
 536       if (TYPE_CONTEXT (node))
 537         print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
 538
 539       print_lang_type (file, node, indent);
 540
 541       if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
 542         indent_to (file, indent + 3);
 543       print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node), indent + 4);
 544       print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node), indent + 4);
 545       print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
 546       break;
 547
 548     case 'b':
 549       print_node (file, "vars", BLOCK_VARS (node), indent + 4);
 550       print_node (file, "tags", BLOCK_TYPE_TAGS (node), indent + 4);
 551       print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node), indent + 4);
 552       print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
 553       print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
 554       print_node (file, "abstract_origin",
 555                   BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
 556       return;
 557
 558     case 'e':
 559     case '<':
 560     case '1':
 561     case '2':
 562     case 'r':
 563     case 's':
 564       switch (TREE_CODE (node))
 565         {
 566         case BIND_EXPR:
 567           print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
 568           print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
 569           print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
 570           return;
 571         }
 572
 573       first_rtl = len = tree_code_length[(int) TREE_CODE (node)];
 574       /* These kinds of nodes contain rtx's, not trees,
 575          after a certain point.  Print the rtx's as rtx's.  */
 576       switch (TREE_CODE (node))
 577         {
 578         case SAVE_EXPR:
 579           first_rtl = 2;
 580           break;
 581         case CALL_EXPR:
 582           first_rtl = 2;
 583           break;
 584         case METHOD_CALL_EXPR:
 585           first_rtl = 3;
 586           break;
 587         case WITH_CLEANUP_EXPR:
 588           /* Should be defined to be 2.  */
 589           first_rtl = 1;
 590           break;
 591         case RTL_EXPR:
 592           first_rtl = 0;
 593         }
 594       for (i = 0; i < len; i++)
 595         {
 596           if (i >= first_rtl)
 597             {
 598               indent_to (file, indent + 4);
 599               fprintf (file, "rtl %d ", i);
 600               if (TREE_OPERAND (node, i))
 601                 print_rtl (file, (struct rtx_def *) TREE_OPERAND (node, i));
 602               else
 603                 fprintf (file, "(nil)");
 604               fprintf (file, "\n");
 605             }
 606           else
 607             {
 608               char temp[10];
 609
 610               sprintf (temp, "arg %d", i);
 611               print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
 612             }
 613         }
 614       break;
 615
 616     case 'c':
 617     case 'x':
 618       switch (TREE_CODE (node))
 619         {
 620         case INTEGER_CST:
 621           if (TREE_CONSTANT_OVERFLOW (node))
 622             fprintf (file, " overflow");
 623
 624           if (TREE_INT_CST_HIGH (node) == 0)
 625             fprintf (file,
 626 #if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 627                      " %1u",
 628 #else
 629                      " %1lu",
 630 #endif
 631                      TREE_INT_CST_LOW (node));
 632           else if (TREE_INT_CST_HIGH (node) == -1
 633                    && TREE_INT_CST_LOW (node) != 0)
 634             fprintf (file,
 635 #if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 636                      " -%1u",
 637 #else
 638                      " -%1lu",
 639 #endif
 640                      -TREE_INT_CST_LOW (node));
 641           else
 642             fprintf (file,
 643 #if HOST_BITS_PER_WIDE_INT == 64
 644 #if HOST_BITS_PER_WIDE_INT != HOST_BITS_PER_INT
 645                      " 0x%lx%016lx",
 646 #else
 647                      " 0x%x%016x",
 648 #endif
 649 #else
 650 #if HOST_BITS_PER_WIDE_INT != HOST_BITS_PER_INT
 651                      " 0x%lx%08lx",
 652 #else
 653                      " 0x%x%08x",
 654 #endif
 655 #endif
 656                      TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
 657           break;
 658
 659         case REAL_CST:
 660           {
 661             REAL_VALUE_TYPE d;
 662
 663             if (TREE_OVERFLOW (node))
 664               fprintf (file, " overflow");
 665
 666 #if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
 667             d = TREE_REAL_CST (node);
 668             if (REAL_VALUE_ISINF (d))
 669               fprintf (file, " Inf");
 670             else if (REAL_VALUE_ISNAN (d))
 671               fprintf (file, " Nan");
 672             else
 673               {
 674                 char string[100];
 675
 676                 REAL_VALUE_TO_DECIMAL (d, "%e", string);
 677                 fprintf (file, " %s", string);
 678               }
 679 #else
 680             {
 681               int i;
 682               unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
 683               fprintf (file, " 0x");
 684               for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
 685                 fprintf (file, "%02x", *p++);
 686               fprintf (file, "");
 687             }
 688 #endif
 689           }
 690           break;
 691
 692         case COMPLEX_CST:
 693           print_node (file, "real", TREE_REALPART (node), indent + 4);
 694           print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
 695           break;
 696
 697         case STRING_CST:
 698           fprintf (file, " \"%s\"", TREE_STRING_POINTER (node));
 699           /* Print the chain at second level.  */
 700           if (indent == 4)
 701             print_node (file, "chain", TREE_CHAIN (node), indent + 4);
 702           else
 703             print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
 704           break;
 705
 706         case IDENTIFIER_NODE:
 707           print_lang_identifier (file, node, indent);
 708           break;
 709
 710         case TREE_LIST:
 711           print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
 712           print_node (file, "value", TREE_VALUE (node), indent + 4);
 713           print_node (file, "chain", TREE_CHAIN (node), indent + 4);
 714           break;
 715
 716         case TREE_VEC:
 717           len = TREE_VEC_LENGTH (node);
 718           for (i = 0; i < len; i++)
 719             if (TREE_VEC_ELT (node, i))
 720               {
 721                 char temp[10];
 722                 sprintf (temp, "elt %d", i);
 723                 indent_to (file, indent + 4);
 724                 print_node_brief (file, temp, TREE_VEC_ELT (node, i), 0);
 725               }
 726           break;
 727
 728         case OP_IDENTIFIER:
 729           print_node (file, "op1", TREE_PURPOSE (node), indent + 4);
 730           print_node (file, "op2", TREE_VALUE (node), indent + 4);
 731         }
 732
 733       break;
 734     }
 735
 736   fprintf (file, ">");
 737 }