gcc/print-rtl.c

   1 /* Print RTL for GNU C Compiler.
   2    Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999, 2000
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "rtl.h"
  26 #include "real.h"
  27 #include "flags.h"
  28 #include "hard-reg-set.h"
  29 #include "basic-block.h"
  30
  31 /* How to print out a register name.
  32    We don't use PRINT_REG because some definitions of PRINT_REG
  33    don't work here.  */
  34 #ifndef DEBUG_PRINT_REG
  35 #define DEBUG_PRINT_REG(RTX, CODE, FILE) \
  36   fprintf ((FILE), "%d %s", REGNO (RTX), reg_names[REGNO (RTX)])
  37 #endif
  38
  39 /* Array containing all of the register names */
  40
  41 #ifdef DEBUG_REGISTER_NAMES
  42 static const char * const debug_reg_names[] = DEBUG_REGISTER_NAMES;
  43 #define reg_names debug_reg_names
  44 #else
  45 const char * reg_names[] = REGISTER_NAMES;
  46 #endif
  47
  48 static FILE *outfile;
  49
  50 static int sawclose = 0;
  51
  52 static int indent;
  53
  54 static void print_rtx           PARAMS ((rtx));
  55
  56 /* String printed at beginning of each RTL when it is dumped.
  57    This string is set to ASM_COMMENT_START when the RTL is dumped in
  58    the assembly output file.  */
  59 const char *print_rtx_head = "";
  60
  61 /* Nonzero means suppress output of instruction numbers and line number
  62    notes in debugging dumps.
  63    This must be defined here so that programs like gencodes can be linked.  */
  64 int flag_dump_unnumbered = 0;
  65
  66 /* Nonzero means use simplified format without flags, modes, etc.  */
  67 int flag_simple = 0;
  68
  69 /* Nonzero if we are dumping graphical description.  */
  70 int dump_for_graph;
  71
  72 /* Nonzero to dump all call_placeholder alternatives.  */
  73 static int debug_call_placeholder_verbose;
  74
  75 /* Print IN_RTX onto OUTFILE.  This is the recursive part of printing.  */
  76
  77 static void
  78 print_rtx (in_rtx)
  79      register rtx in_rtx;
  80 {
  81   register int i = 0;
  82   register int j;
  83   register const char *format_ptr;
  84   register int is_insn;
  85   rtx tem;
  86
  87   if (sawclose)
  88     {
  89       if (flag_simple)
  90         fputc (' ', outfile);
  91       else
  92         fprintf (outfile, "\n%s%*s",
  93                  print_rtx_head, indent * 2, "");
  94       sawclose = 0;
  95     }
  96
  97   if (in_rtx == 0)
  98     {
  99       fputs ("(nil)", outfile);
 100       sawclose = 1;
 101       return;
 102     }
 103
 104   is_insn = (INSN_P (in_rtx));
 105
 106   /* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
 107      in separate nodes and therefore have to handle them special here.  */
 108   if (dump_for_graph &&
 109       (is_insn || GET_CODE (in_rtx) == NOTE || GET_CODE (in_rtx) == CODE_LABEL
 110        || GET_CODE (in_rtx) == BARRIER))
 111     {
 112       i = 3;
 113       indent = 0;
 114     }
 115   else
 116     {
 117       /* print name of expression code */
 118       if (flag_simple && GET_CODE (in_rtx) == CONST_INT)
 119         fputc ('(', outfile);
 120       else
 121         fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
 122
 123       if (! flag_simple)
 124         {
 125           if (in_rtx->in_struct)
 126             fputs ("/s", outfile);
 127
 128           if (in_rtx->volatil)
 129             fputs ("/v", outfile);
 130
 131           if (in_rtx->unchanging)
 132             fputs ("/u", outfile);
 133
 134           if (in_rtx->integrated)
 135             fputs ("/i", outfile);
 136
 137           if (in_rtx->frame_related)
 138             fputs ("/f", outfile);
 139
 140           if (in_rtx->jump)
 141             fputs ("/j", outfile);
 142
 143           if (in_rtx->call)
 144             fputs ("/c", outfile);
 145
 146           if (GET_MODE (in_rtx) != VOIDmode)
 147             {
 148               /* Print REG_NOTE names for EXPR_LIST and INSN_LIST.  */
 149               if (GET_CODE (in_rtx) == EXPR_LIST
 150                   || GET_CODE (in_rtx) == INSN_LIST)
 151                 fprintf (outfile, ":%s",
 152                          GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
 153               else
 154                 fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
 155             }
 156         }
 157     }
 158
 159   /* Get the format string and skip the first elements if we have handled
 160      them already.  */
 161   format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
 162
 163   for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
 164     switch (*format_ptr++)
 165       {
 166         const char *str;
 167
 168       case 'T':
 169         str = XTMPL (in_rtx, i);
 170         goto string;
 171
 172       case 'S':
 173       case 's':
 174         str = XSTR (in_rtx, i);
 175       string:
 176
 177         if (str == 0)
 178           fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
 179         else
 180           {
 181             if (dump_for_graph)
 182               fprintf (outfile, " (\\\"%s\\\")", str);
 183             else
 184               fprintf (outfile, " (\"%s\")", str);
 185           }
 186         sawclose = 1;
 187         break;
 188
 189         /* 0 indicates a field for internal use that should not be printed.
 190            An exception is the third field of a NOTE, where it indicates
 191            that the field has several different valid contents.  */
 192       case '0':
 193         if (i == 1 && GET_CODE (in_rtx) == REG)
 194           {
 195             if (REGNO (in_rtx) != ORIGINAL_REGNO (in_rtx))
 196               fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
 197             break;
 198           }
 199         if (i == 3 && GET_CODE (in_rtx) == NOTE)
 200           {
 201             switch (NOTE_LINE_NUMBER (in_rtx))
 202               {
 203               case NOTE_INSN_EH_REGION_BEG:
 204               case NOTE_INSN_EH_REGION_END:
 205                 if (flag_dump_unnumbered)
 206                   fprintf (outfile, " #");
 207                 else
 208                   fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
 209                 sawclose = 1;
 210                 break;
 211
 212               case NOTE_INSN_BLOCK_BEG:
 213               case NOTE_INSN_BLOCK_END:
 214                 fprintf (outfile, " ");
 215                 if (flag_dump_unnumbered)
 216                   fprintf (outfile, "#");
 217                 else
 218                   fprintf (outfile, HOST_PTR_PRINTF,
 219                            (char *) NOTE_BLOCK (in_rtx));
 220                 sawclose = 1;
 221                 break;
 222
 223               case NOTE_INSN_RANGE_BEG:
 224               case NOTE_INSN_RANGE_END:
 225               case NOTE_INSN_LIVE:
 226                 indent += 2;
 227                 if (!sawclose)
 228                   fprintf (outfile, " ");
 229                 print_rtx (NOTE_RANGE_INFO (in_rtx));
 230                 indent -= 2;
 231                 break;
 232
 233               case NOTE_INSN_BASIC_BLOCK:
 234                 {
 235                   basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
 236                   if (bb != 0)
 237                     fprintf (outfile, " [bb %d]", bb->index);
 238                   break;
 239                 }
 240
 241               case NOTE_INSN_EXPECTED_VALUE:
 242                 indent += 2;
 243                 if (!sawclose)
 244                   fprintf (outfile, " ");
 245                 print_rtx (NOTE_EXPECTED_VALUE (in_rtx));
 246                 indent -= 2;
 247                 break;
 248
 249               case NOTE_INSN_DELETED_LABEL:
 250                 if (NOTE_SOURCE_FILE (in_rtx))
 251                   fprintf (outfile, " (\"%s\")", NOTE_SOURCE_FILE (in_rtx));
 252                 else
 253                   fprintf (outfile, " \"\"");
 254                 break;
 255
 256               default:
 257                 {
 258                   const char * const str = X0STR (in_rtx, i);
 259
 260                   if (NOTE_LINE_NUMBER (in_rtx) < 0)
 261                     ;
 262                   else if (str == 0)
 263                     fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
 264                   else
 265                     {
 266                       if (dump_for_graph)
 267                         fprintf (outfile, " (\\\"%s\\\")", str);
 268                       else
 269                         fprintf (outfile, " (\"%s\")", str);
 270                     }
 271                   break;
 272                 }
 273               }
 274           }
 275         break;
 276
 277       case 'e':
 278       do_e:
 279         indent += 2;
 280         if (!sawclose)
 281           fprintf (outfile, " ");
 282         print_rtx (XEXP (in_rtx, i));
 283         indent -= 2;
 284         break;
 285
 286       case 'E':
 287       case 'V':
 288         indent += 2;
 289         if (sawclose)
 290           {
 291             fprintf (outfile, "\n%s%*s",
 292                      print_rtx_head, indent * 2, "");
 293             sawclose = 0;
 294           }
 295         fputs ("[ ", outfile);
 296         if (NULL != XVEC (in_rtx, i))
 297           {
 298             indent += 2;
 299             if (XVECLEN (in_rtx, i))
 300               sawclose = 1;
 301
 302             for (j = 0; j < XVECLEN (in_rtx, i); j++)
 303               print_rtx (XVECEXP (in_rtx, i, j));
 304
 305             indent -= 2;
 306           }
 307         if (sawclose)
 308           fprintf (outfile, "\n%s%*s",
 309                    print_rtx_head, indent * 2, "");
 310
 311         fputs ("] ", outfile);
 312         sawclose = 1;
 313         indent -= 2;
 314         break;
 315
 316       case 'w':
 317         if (! flag_simple)
 318           fprintf (outfile, " ");
 319         fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
 320         if (! flag_simple)
 321           {
 322             fprintf (outfile, " [");
 323             fprintf (outfile, HOST_WIDE_INT_PRINT_HEX, XWINT (in_rtx, i));
 324             fprintf (outfile, "]");
 325           }
 326         break;
 327
 328       case 'i':
 329         if (i == 5 && GET_CODE (in_rtx) == NOTE)
 330           {
 331             /* This field is only used for NOTE_INSN_DELETED_LABEL, and
 332                other times often contains garbage from INSN->NOTE death.  */
 333             if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_DELETED_LABEL)
 334               fprintf (outfile, " %d",  XINT (in_rtx, i));
 335           }
 336         else
 337           {
 338             register int value = XINT (in_rtx, i);
 339             const char *name;
 340
 341             if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
 342               {
 343                 fputc (' ', outfile);
 344                 DEBUG_PRINT_REG (in_rtx, 0, outfile);
 345               }
 346             else if (GET_CODE (in_rtx) == REG
 347                      && value <= LAST_VIRTUAL_REGISTER)
 348               {
 349                 if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
 350                   fprintf (outfile, " %d virtual-incoming-args", value);
 351                 else if (value == VIRTUAL_STACK_VARS_REGNUM)
 352                   fprintf (outfile, " %d virtual-stack-vars", value);
 353                 else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
 354                   fprintf (outfile, " %d virtual-stack-dynamic", value);
 355                 else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
 356                   fprintf (outfile, " %d virtual-outgoing-args", value);
 357                 else if (value == VIRTUAL_CFA_REGNUM)
 358                   fprintf (outfile, " %d virtual-cfa", value);
 359                 else
 360                   fprintf (outfile, " %d virtual-reg-%d", value,
 361                            value-FIRST_VIRTUAL_REGISTER);
 362               }
 363             else if (flag_dump_unnumbered
 364                      && (is_insn || GET_CODE (in_rtx) == NOTE))
 365               fputc ('#', outfile);
 366             else
 367               fprintf (outfile, " %d", value);
 368
 369             if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
 370                 && XINT (in_rtx, i) >= 0
 371                 && (name = get_insn_name (XINT (in_rtx, i))) != NULL)
 372               fprintf (outfile, " {%s}", name);
 373             sawclose = 0;
 374           }
 375         break;
 376
 377       /* Print NOTE_INSN names rather than integer codes.  */
 378
 379       case 'n':
 380         if (XINT (in_rtx, i) >= (int) NOTE_INSN_BIAS
 381             && XINT (in_rtx, i) < (int) NOTE_INSN_MAX)
 382           fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
 383         else
 384           fprintf (outfile, " %d", XINT (in_rtx, i));
 385         sawclose = 0;
 386         break;
 387
 388       case 'u':
 389         if (XEXP (in_rtx, i) != NULL)
 390           {
 391             rtx sub = XEXP (in_rtx, i);
 392             enum rtx_code subc = GET_CODE (sub);
 393
 394             if (GET_CODE (in_rtx) == LABEL_REF)
 395               {
 396                 if (subc == NOTE
 397                     && NOTE_LINE_NUMBER (sub) == NOTE_INSN_DELETED_LABEL)
 398                   {
 399                     if (flag_dump_unnumbered)
 400                       fprintf (outfile, " [# deleted]");
 401                     else
 402                       fprintf (outfile, " [%d deleted]", INSN_UID (sub));
 403                     sawclose = 0;
 404                     break;
 405                   }
 406
 407                 if (subc != CODE_LABEL)
 408                   goto do_e;
 409               }
 410
 411             if (flag_dump_unnumbered)
 412               fputs (" #", outfile);
 413             else
 414               fprintf (outfile, " %d", INSN_UID (sub));
 415           }
 416         else
 417           fputs (" 0", outfile);
 418         sawclose = 0;
 419         break;
 420
 421       case 'b':
 422         if (XBITMAP (in_rtx, i) == NULL)
 423           fputs (" {null}", outfile);
 424         else
 425           bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
 426         sawclose = 0;
 427         break;
 428
 429       case 't':
 430         putc (' ', outfile);
 431         fprintf (outfile, HOST_PTR_PRINTF, (char *) XTREE (in_rtx, i));
 432         break;
 433
 434       case '*':
 435         fputs (" Unknown", outfile);
 436         sawclose = 0;
 437         break;
 438
 439       default:
 440         fprintf (stderr,
 441                  "switch format wrong in rtl.print_rtx(). format was: %c.\n",
 442                  format_ptr[-1]);
 443         abort ();
 444       }
 445
 446   switch (GET_CODE (in_rtx))
 447     {
 448     case MEM:
 449       fputc (' ', outfile);
 450       fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, MEM_ALIAS_SET (in_rtx));
 451       break;
 452
 453 #if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && MAX_LONG_DOUBLE_TYPE_SIZE == 64
 454     case CONST_DOUBLE:
 455       if (FLOAT_MODE_P (GET_MODE (in_rtx)))
 456         {
 457           double val;
 458           REAL_VALUE_FROM_CONST_DOUBLE (val, in_rtx);
 459           fprintf (outfile, " [%.16g]", val);
 460         }
 461       break;
 462 #endif
 463
 464     case CODE_LABEL:
 465       fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
 466       if (LABEL_ALTERNATE_NAME (in_rtx))
 467         fprintf (outfile, " [alternate name: %s]",
 468                  LABEL_ALTERNATE_NAME (in_rtx));
 469       break;
 470
 471     case CALL_PLACEHOLDER:
 472       if (debug_call_placeholder_verbose)
 473         {
 474           fputs (" (cond [\n  (const_string \"normal\") (sequence [", outfile);
 475           for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
 476             {
 477               fputs ("\n    ", outfile);
 478               print_inline_rtx (outfile, tem, 4);
 479             }
 480
 481           tem = XEXP (in_rtx, 1);
 482           if (tem)
 483             fputs ("\n    ])\n  (const_string \"tail_call\") (sequence [", outfile);
 484           for (; tem != 0; tem = NEXT_INSN (tem))
 485             {
 486               fputs ("\n    ", outfile);
 487               print_inline_rtx (outfile, tem, 4);
 488             }
 489
 490           tem = XEXP (in_rtx, 2);
 491           if (tem)
 492             fputs ("\n    ])\n  (const_string \"tail_recursion\") (sequence [", outfile);
 493           for (; tem != 0; tem = NEXT_INSN (tem))
 494             {
 495               fputs ("\n    ", outfile);
 496               print_inline_rtx (outfile, tem, 4);
 497             }
 498
 499           fputs ("\n    ])\n  ])", outfile);
 500           break;
 501         }
 502
 503       for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
 504         if (GET_CODE (tem) == CALL_INSN)
 505           {
 506             fprintf (outfile, " ");
 507             print_rtx (tem);
 508             break;
 509           }
 510       break;
 511
 512     default:
 513       break;
 514     }
 515
 516   if (dump_for_graph
 517       && (is_insn || GET_CODE (in_rtx) == NOTE
 518           || GET_CODE (in_rtx) == CODE_LABEL || GET_CODE (in_rtx) == BARRIER))
 519     sawclose = 0;
 520   else
 521     {
 522       fputc (')', outfile);
 523       sawclose = 1;
 524     }
 525 }
 526
 527 /* Print an rtx on the current line of FILE.  Initially indent IND
 528    characters.  */
 529
 530 void
 531 print_inline_rtx (outf, x, ind)
 532      FILE *outf;
 533      rtx x;
 534      int ind;
 535 {
 536   int oldsaw = sawclose;
 537   int oldindent = indent;
 538
 539   sawclose = 0;
 540   indent = ind;
 541   outfile = outf;
 542   print_rtx (x);
 543   sawclose = oldsaw;
 544   indent = oldindent;
 545 }
 546
 547 /* Call this function from the debugger to see what X looks like.  */
 548
 549 void
 550 debug_rtx (x)
 551      rtx x;
 552 {
 553   outfile = stderr;
 554   print_rtx (x);
 555   fprintf (stderr, "\n");
 556 }
 557
 558 /* Count of rtx's to print with debug_rtx_list.
 559    This global exists because gdb user defined commands have no arguments.  */
 560
 561 int debug_rtx_count = 0;        /* 0 is treated as equivalent to 1 */
 562
 563 /* Call this function to print list from X on.
 564
 565    N is a count of the rtx's to print. Positive values print from the specified
 566    rtx on.  Negative values print a window around the rtx.
 567    EG: -5 prints 2 rtx's on either side (in addition to the specified rtx).  */
 568
 569 void
 570 debug_rtx_list (x, n)
 571      rtx x;
 572      int n;
 573 {
 574   int i,count;
 575   rtx insn;
 576
 577   count = n == 0 ? 1 : n < 0 ? -n : n;
 578
 579   /* If we are printing a window, back up to the start.  */
 580
 581   if (n < 0)
 582     for (i = count / 2; i > 0; i--)
 583       {
 584         if (PREV_INSN (x) == 0)
 585           break;
 586         x = PREV_INSN (x);
 587       }
 588
 589   for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
 590     debug_rtx (insn);
 591 }
 592
 593 /* Call this function to print an rtx list from START to END inclusive.  */
 594
 595 void
 596 debug_rtx_range (start, end)
 597      rtx start, end;
 598 {
 599   while (1)
 600     {
 601       debug_rtx (start);
 602       if (!start || start == end)
 603         break;
 604       start = NEXT_INSN (start);
 605     }
 606 }
 607
 608 /* Call this function to search an rtx list to find one with insn uid UID,
 609    and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
 610    The found insn is returned to enable further debugging analysis.  */
 611
 612 rtx
 613 debug_rtx_find (x, uid)
 614      rtx x;
 615      int uid;
 616 {
 617   while (x != 0 && INSN_UID (x) != uid)
 618     x = NEXT_INSN (x);
 619   if (x != 0)
 620     {
 621       debug_rtx_list (x, debug_rtx_count);
 622       return x;
 623     }
 624   else
 625     {
 626       fprintf (stderr, "insn uid %d not found\n", uid);
 627       return 0;
 628     }
 629 }
 630
 631 /* External entry point for printing a chain of insns
 632    starting with RTX_FIRST onto file OUTF.
 633    A blank line separates insns.
 634
 635    If RTX_FIRST is not an insn, then it alone is printed, with no newline.  */
 636
 637 void
 638 print_rtl (outf, rtx_first)
 639      FILE *outf;
 640      rtx rtx_first;
 641 {
 642   register rtx tmp_rtx;
 643
 644   outfile = outf;
 645   sawclose = 0;
 646
 647   if (rtx_first == 0)
 648     {
 649       fputs (print_rtx_head, outf);
 650       fputs ("(nil)\n", outf);
 651     }
 652   else
 653     switch (GET_CODE (rtx_first))
 654       {
 655       case INSN:
 656       case JUMP_INSN:
 657       case CALL_INSN:
 658       case NOTE:
 659       case CODE_LABEL:
 660       case BARRIER:
 661         for (tmp_rtx = rtx_first; tmp_rtx != 0; tmp_rtx = NEXT_INSN (tmp_rtx))
 662           if (! flag_dump_unnumbered
 663               || GET_CODE (tmp_rtx) != NOTE || NOTE_LINE_NUMBER (tmp_rtx) < 0)
 664             {
 665               fputs (print_rtx_head, outfile);
 666               print_rtx (tmp_rtx);
 667               fprintf (outfile, "\n");
 668             }
 669         break;
 670
 671       default:
 672         fputs (print_rtx_head, outfile);
 673         print_rtx (rtx_first);
 674       }
 675 }
 676
 677 /* Like print_rtx, except specify a file.  */
 678 /* Return nonzero if we actually printed anything.  */
 679
 680 int
 681 print_rtl_single (outf, x)
 682      FILE *outf;
 683      rtx x;
 684 {
 685   outfile = outf;
 686   sawclose = 0;
 687   if (! flag_dump_unnumbered
 688       || GET_CODE (x) != NOTE || NOTE_LINE_NUMBER (x) < 0)
 689     {
 690       fputs (print_rtx_head, outfile);
 691       print_rtx (x);
 692       putc ('\n', outf);
 693       return 1;
 694     }
 695   return 0;
 696 }
 697
 698
 699 /* Like print_rtl except without all the detail; for example,
 700    if RTX is a CONST_INT then print in decimal format.  */
 701
 702 void
 703 print_simple_rtl (outf, x)
 704      FILE *outf;
 705      rtx x;
 706 {
 707   flag_simple = 1;
 708   print_rtl (outf, x);
 709   flag_simple = 0;
 710 }