Example #1
0
static void
change_scope (rtx orig_insn, tree s1, tree s2)
{
  rtx insn = orig_insn;
  tree com = NULL_TREE;
  tree ts1 = s1, ts2 = s2;
  tree s;

  while (ts1 != ts2)
    {
      if (ts1 == NULL || ts2 == NULL)
	abort ();
      if (BLOCK_NUMBER (ts1) > BLOCK_NUMBER (ts2))
	ts1 = BLOCK_SUPERCONTEXT (ts1);
      else if (BLOCK_NUMBER (ts1) < BLOCK_NUMBER (ts2))
	ts2 = BLOCK_SUPERCONTEXT (ts2);
      else
	{
	  ts1 = BLOCK_SUPERCONTEXT (ts1);
	  ts2 = BLOCK_SUPERCONTEXT (ts2);
	}
    }
  com = ts1;

  /* Close scopes.  */
  s = s1;
  while (s != com)
    {
      rtx note = emit_note_before (NOTE_INSN_BLOCK_END, insn);
      NOTE_BLOCK (note) = s;
      s = BLOCK_SUPERCONTEXT (s);
    }

  /* Open scopes.  */
  s = s2;
  while (s != com)
    {
      insn = emit_note_before (NOTE_INSN_BLOCK_BEG, insn);
      NOTE_BLOCK (insn) = s;
      s = BLOCK_SUPERCONTEXT (s);
    }
}
Example #2
0
void
genrtl_scope_stmt (tree t)
{
    tree block = SCOPE_STMT_BLOCK (t);

    if (!SCOPE_NO_CLEANUPS_P (t))
    {
        if (SCOPE_BEGIN_P (t))
            expand_start_bindings_and_block (2 * SCOPE_NULLIFIED_P (t), block);
        else if (SCOPE_END_P (t))
            expand_end_bindings (NULL_TREE, !SCOPE_NULLIFIED_P (t), 0);
    }
    else if (!SCOPE_NULLIFIED_P (t))
    {
        rtx note = emit_note (SCOPE_BEGIN_P (t)
                              ? NOTE_INSN_BLOCK_BEG : NOTE_INSN_BLOCK_END);
        NOTE_BLOCK (note) = block;
    }

    /* If we're at the end of a scope that contains inlined nested
       functions, we have to decide whether or not to write them out.  */
    if (block && SCOPE_END_P (t))
    {
        tree fn;

        for (fn = BLOCK_VARS (block); fn; fn = TREE_CHAIN (fn))
        {
            if (TREE_CODE (fn) == FUNCTION_DECL
                    && DECL_CONTEXT (fn) == current_function_decl
                    && DECL_SAVED_INSNS (fn)
                    && DECL_SAVED_INSNS (fn)->saved_for_inline
                    && !TREE_ASM_WRITTEN (fn)
                    && TREE_ADDRESSABLE (fn))
            {
                push_function_context ();
                output_inline_function (fn);
                pop_function_context ();
            }
        }
    }
}
Example #3
0
void
print_insn (pretty_printer *pp, const_rtx x, int verbose)
{
  if (verbose)
    {
      /* Blech, pretty-print can't print integers with a specified width.  */
      char uid_prefix[32];
      snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
      pp_string (pp, uid_prefix);
    }

  switch (GET_CODE (x))
    {
    case INSN:
      print_pattern (pp, PATTERN (x), verbose);
      break;

    case DEBUG_INSN:
      {
	const char *name = "?";

	if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
	  {
	    tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
	    char idbuf[32];
	    if (id)
	      name = IDENTIFIER_POINTER (id);
	    else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
		     == DEBUG_EXPR_DECL)
	      {
		sprintf (idbuf, "D#%i",
			 DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (x)));
		name = idbuf;
	      }
	    else
	      {
		sprintf (idbuf, "D.%i",
			 DECL_UID (INSN_VAR_LOCATION_DECL (x)));
		name = idbuf;
	      }
	  }
	pp_printf (pp, "debug %s => ", name);
	if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
	  pp_string (pp, "optimized away");
	else
	  print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
      }
      break;

    case JUMP_INSN:
      print_pattern (pp, PATTERN (x), verbose);
      break;
    case CALL_INSN:
      if (GET_CODE (PATTERN (x)) == PARALLEL)
        print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
      else
	print_pattern (pp, PATTERN (x), verbose);
      break;
    case CODE_LABEL:
      pp_printf (pp, "L%d:", INSN_UID (x));
      break;
    case JUMP_TABLE_DATA:
      pp_string (pp, "jump_table_data{\n");
      print_pattern (pp, PATTERN (x), verbose);
      pp_right_brace (pp);
      break;
    case BARRIER:
      pp_string (pp, "barrier");
      break;
    case NOTE:
      {
	pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
	switch (NOTE_KIND (x))
	  {
	  case NOTE_INSN_EH_REGION_BEG:
	  case NOTE_INSN_EH_REGION_END:
	    pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
	    break;

	  case NOTE_INSN_BLOCK_BEG:
	  case NOTE_INSN_BLOCK_END:
	    pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
	    break;

	  case NOTE_INSN_BASIC_BLOCK:
	    pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
	    break;

	  case NOTE_INSN_DELETED_LABEL:
	  case NOTE_INSN_DELETED_DEBUG_LABEL:
	    {
	      const char *label = NOTE_DELETED_LABEL_NAME (x);
	      if (label == NULL)
		label = "";
	      pp_printf (pp, " (\"%s\")", label);
	    }
	    break;

	  case NOTE_INSN_VAR_LOCATION:
	  case NOTE_INSN_CALL_ARG_LOCATION:
	    pp_left_brace (pp);
	    print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
	    pp_right_brace (pp);
	    break;

	  default:
	    break;
	  }
	break;
      }
    default:
      gcc_unreachable ();
    }
}				/* print_insn */
Example #4
0
static void
print_rtx (rtx in_rtx)
{
  int i = 0;
  int j;
  const char *format_ptr;
  int is_insn;

  if (sawclose)
    {
      if (flag_simple)
        fputc (' ', outfile);
      else
        fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
      sawclose = 0;
    }

  if (in_rtx == 0)
    {
      fputs ("(nil)", outfile);
      sawclose = 1;
      return;
    }
  else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
    {
       fprintf (outfile, "(??? bad code %d\n)", GET_CODE (in_rtx));
       sawclose = 1;
       return;
    }

  is_insn = INSN_P (in_rtx);

  /* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
     in separate nodes and therefore have to handle them special here.  */
  if (dump_for_graph
      && (is_insn || NOTE_P (in_rtx)
          || LABEL_P (in_rtx) || BARRIER_P (in_rtx)))
    {
      i = 3;
      indent = 0;
    }
  else
    {
      /* Print name of expression code.  */
      if (flag_simple && GET_CODE (in_rtx) == CONST_INT)
        fputc ('(', outfile);
      else
        fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));

      if (! flag_simple)
        {
          if (RTX_FLAG (in_rtx, in_struct))
            fputs ("/s", outfile);

          if (RTX_FLAG (in_rtx, volatil))
            fputs ("/v", outfile);

          if (RTX_FLAG (in_rtx, unchanging))
            fputs ("/u", outfile);

          if (RTX_FLAG (in_rtx, frame_related))
            fputs ("/f", outfile);

          if (RTX_FLAG (in_rtx, jump))
            fputs ("/j", outfile);

          if (RTX_FLAG (in_rtx, call))
            fputs ("/c", outfile);

          if (RTX_FLAG (in_rtx, return_val))
            fputs ("/i", outfile);

          /* Print REG_NOTE names for EXPR_LIST and INSN_LIST.  */
          if (GET_CODE (in_rtx) == EXPR_LIST
              || GET_CODE (in_rtx) == INSN_LIST)
            fprintf (outfile, ":%s",
                     GET_REG_NOTE_NAME (GET_MODE (in_rtx)));

          /* For other rtl, print the mode if it's not VOID.  */
          else if (GET_MODE (in_rtx) != VOIDmode)
            fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
        }
    }

#ifndef GENERATOR_FILE
  if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
    i = 5;
#endif

  /* Get the format string and skip the first elements if we have handled
     them already.  */
  format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
  for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
    switch (*format_ptr++)
      {
        const char *str;

      case 'T':
        str = XTMPL (in_rtx, i);
        goto string;

      case 'S':
      case 's':
        str = XSTR (in_rtx, i);
      string:

        if (str == 0)
          fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
        else
          {
            if (dump_for_graph)
              fprintf (outfile, " (\\\"%s\\\")", str);
            else
              fprintf (outfile, " (\"%s\")", str);
          }
        sawclose = 1;
        break;

        /* 0 indicates a field for internal use that should not be printed.
           An exception is the third field of a NOTE, where it indicates
           that the field has several different valid contents.  */
      case '0':
        if (i == 1 && REG_P (in_rtx))
          {
            if (REGNO (in_rtx) != ORIGINAL_REGNO (in_rtx))
              fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
          }
#ifndef GENERATOR_FILE
        else if (i == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
          {
            int flags = SYMBOL_REF_FLAGS (in_rtx);
            if (flags)
              fprintf (outfile, " [flags 0x%x]", flags);
          }
        else if (i == 2 && GET_CODE (in_rtx) == SYMBOL_REF)
          {
            tree decl = SYMBOL_REF_DECL (in_rtx);
            if (decl)
              print_node_brief (outfile, "", decl, 0);
          }
#endif
        else if (i == 4 && NOTE_P (in_rtx))
          {
            switch (NOTE_LINE_NUMBER (in_rtx))
              {
              case NOTE_INSN_EH_REGION_BEG:
              case NOTE_INSN_EH_REGION_END:
                if (flag_dump_unnumbered)
                  fprintf (outfile, " #");
                else
                  fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
                sawclose = 1;
                break;

              case NOTE_INSN_BLOCK_BEG:
              case NOTE_INSN_BLOCK_END:
#ifndef GENERATOR_FILE
                dump_addr (outfile, " ", NOTE_BLOCK (in_rtx));
#endif
                sawclose = 1;
                break;

              case NOTE_INSN_BASIC_BLOCK:
                {
#ifndef GENERATOR_FILE
                  basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
                  if (bb != 0)
                    fprintf (outfile, " [bb %d]", bb->index);
#endif
                  break;
                }

              case NOTE_INSN_EXPECTED_VALUE:
                indent += 2;
                if (!sawclose)
                  fprintf (outfile, " ");
                print_rtx (NOTE_EXPECTED_VALUE (in_rtx));
                indent -= 2;
                break;

              case NOTE_INSN_DELETED_LABEL:
                {
                  const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
                  if (label)
                    fprintf (outfile, " (\"%s\")", label);
                  else
                    fprintf (outfile, " \"\"");
                }
                break;

              case NOTE_INSN_SWITCH_TEXT_SECTIONS:
                {
#ifndef GENERATOR_FILE
                  basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
                  if (bb != 0)
                    fprintf (outfile, " [bb %d]", bb->index);
#endif
                  break;
                }
                
              case NOTE_INSN_VAR_LOCATION:
#ifndef GENERATOR_FILE
                fprintf (outfile, " (");
                print_mem_expr (outfile, NOTE_VAR_LOCATION_DECL (in_rtx));
                fprintf (outfile, " ");
                print_rtx (NOTE_VAR_LOCATION_LOC (in_rtx));
                fprintf (outfile, ")");
#endif
                break;

              default:
                {
                  const char * const str = X0STR (in_rtx, i);

                  if (NOTE_LINE_NUMBER (in_rtx) < 0)
                    ;
                  else if (str == 0)
                    fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
                  else
                    {
                      if (dump_for_graph)
                        fprintf (outfile, " (\\\"%s\\\")", str);
                      else
                        fprintf (outfile, " (\"%s\")", str);
                    }
                  break;
                }
              }
          }
        break;

      case 'e':
      do_e:
        indent += 2;
        if (!sawclose)
          fprintf (outfile, " ");
        print_rtx (XEXP (in_rtx, i));
        indent -= 2;
        break;

      case 'E':
      case 'V':
        indent += 2;
        if (sawclose)
          {
            fprintf (outfile, "\n%s%*s",
                     print_rtx_head, indent * 2, "");
            sawclose = 0;
          }
        fputs (" [", outfile);
        if (NULL != XVEC (in_rtx, i))
          {
            indent += 2;
            if (XVECLEN (in_rtx, i))
              sawclose = 1;

            for (j = 0; j < XVECLEN (in_rtx, i); j++)
              print_rtx (XVECEXP (in_rtx, i, j));

            indent -= 2;
          }
        if (sawclose)
          fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");

        fputs ("]", outfile);
        sawclose = 1;
        indent -= 2;
        break;

      case 'w':
        if (! flag_simple)
          fprintf (outfile, " ");
        fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
        if (! flag_simple)
          fprintf (outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
                   XWINT (in_rtx, i));
        break;

      case 'i':
        if (i == 4 && INSN_P (in_rtx))
          {
#ifndef GENERATOR_FILE
            /*  Pretty-print insn locators.  Ignore scoping as it is mostly
                redundant with line number information and do not print anything
                when there is no location information available.  */
            if (INSN_LOCATOR (in_rtx) && insn_file (in_rtx))
              fprintf(outfile, " %s:%i", insn_file (in_rtx), insn_line (in_rtx));
#endif
          }
        else if (i == 6 && NOTE_P (in_rtx))
          {
            /* This field is only used for NOTE_INSN_DELETED_LABEL, and
               other times often contains garbage from INSN->NOTE death.  */
            if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_DELETED_LABEL)
              fprintf (outfile, " %d",  XINT (in_rtx, i));
          }
        else
          {
            int value = XINT (in_rtx, i);
            const char *name;

#ifndef GENERATOR_FILE
            if (REG_P (in_rtx) && value < FIRST_PSEUDO_REGISTER)
              fprintf (outfile, " %d %s", REGNO (in_rtx),
                       reg_names[REGNO (in_rtx)]);
            else if (REG_P (in_rtx)
                     && value <= LAST_VIRTUAL_REGISTER)
              {
                if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
                  fprintf (outfile, " %d virtual-incoming-args", value);
                else if (value == VIRTUAL_STACK_VARS_REGNUM)
                  fprintf (outfile, " %d virtual-stack-vars", value);
                else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
                  fprintf (outfile, " %d virtual-stack-dynamic", value);
                else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
                  fprintf (outfile, " %d virtual-outgoing-args", value);
                else if (value == VIRTUAL_CFA_REGNUM)
                  fprintf (outfile, " %d virtual-cfa", value);
                else
                  fprintf (outfile, " %d virtual-reg-%d", value,
                           value-FIRST_VIRTUAL_REGISTER);
              }
            else
#endif
              if (flag_dump_unnumbered
                     && (is_insn || NOTE_P (in_rtx)))
              fputc ('#', outfile);
            else
              fprintf (outfile, " %d", value);

#ifndef GENERATOR_FILE
            if (REG_P (in_rtx) && REG_ATTRS (in_rtx))
              {
                fputs (" [", outfile);
                if (ORIGINAL_REGNO (in_rtx) != REGNO (in_rtx))
                  fprintf (outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
                if (REG_EXPR (in_rtx))
                  print_mem_expr (outfile, REG_EXPR (in_rtx));

                if (REG_OFFSET (in_rtx))
                  fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
                           REG_OFFSET (in_rtx));
                fputs (" ]", outfile);
              }
#endif

            if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
                && XINT (in_rtx, i) >= 0
                && (name = get_insn_name (XINT (in_rtx, i))) != NULL)
              fprintf (outfile, " {%s}", name);
            sawclose = 0;
          }
        break;

      /* Print NOTE_INSN names rather than integer codes.  */

      case 'n':
        if (XINT (in_rtx, i) >= (int) NOTE_INSN_BIAS
            && XINT (in_rtx, i) < (int) NOTE_INSN_MAX)
          fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
        else
          fprintf (outfile, " %d", XINT (in_rtx, i));
        sawclose = 0;
        break;

      case 'u':
        if (XEXP (in_rtx, i) != NULL)
          {
            rtx sub = XEXP (in_rtx, i);
            enum rtx_code subc = GET_CODE (sub);

            if (GET_CODE (in_rtx) == LABEL_REF)
              {
                if (subc == NOTE
                    && NOTE_LINE_NUMBER (sub) == NOTE_INSN_DELETED_LABEL)
                  {
                    if (flag_dump_unnumbered)
                      fprintf (outfile, " [# deleted]");
                    else
                      fprintf (outfile, " [%d deleted]", INSN_UID (sub));
                    sawclose = 0;
                    break;
                  }

                if (subc != CODE_LABEL)
                  goto do_e;
              }

            if (flag_dump_unnumbered)
              fputs (" #", outfile);
            else
              fprintf (outfile, " %d", INSN_UID (sub));
          }
        else
          fputs (" 0", outfile);
        sawclose = 0;
        break;

      case 'b':
#ifndef GENERATOR_FILE
        if (XBITMAP (in_rtx, i) == NULL)
          fputs (" {null}", outfile);
        else
          bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
#endif
        sawclose = 0;
        break;

      case 't':
#ifndef GENERATOR_FILE
        dump_addr (outfile, " ", XTREE (in_rtx, i));
#endif
        break;

      case '*':
        fputs (" Unknown", outfile);
        sawclose = 0;
        break;

      case 'B':
#ifndef GENERATOR_FILE
        if (XBBDEF (in_rtx, i))
          fprintf (outfile, " %i", XBBDEF (in_rtx, i)->index);
#endif
        break;

      default:
        gcc_unreachable ();
      }

  switch (GET_CODE (in_rtx))
    {
#ifndef GENERATOR_FILE
    case MEM:
      fprintf (outfile, " [" HOST_WIDE_INT_PRINT_DEC, MEM_ALIAS_SET (in_rtx));

      if (MEM_EXPR (in_rtx))
        print_mem_expr (outfile, MEM_EXPR (in_rtx));

      if (MEM_OFFSET (in_rtx))
        fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
                 INTVAL (MEM_OFFSET (in_rtx)));

      if (MEM_SIZE (in_rtx))
        fprintf (outfile, " S" HOST_WIDE_INT_PRINT_DEC,
                 INTVAL (MEM_SIZE (in_rtx)));

      if (MEM_ALIGN (in_rtx) != 1)
        fprintf (outfile, " A%u", MEM_ALIGN (in_rtx));

      fputc (']', outfile);
      break;

    case CONST_DOUBLE:
      if (FLOAT_MODE_P (GET_MODE (in_rtx)))
        {
          char s[60];

          real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
                           sizeof (s), 0, 1);
          fprintf (outfile, " %s", s);

          real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
                               sizeof (s), 0, 1);
          fprintf (outfile, " [%s]", s);
        }
      break;
#endif

    case CODE_LABEL:
      fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
      switch (LABEL_KIND (in_rtx))
        {
          case LABEL_NORMAL: break;
          case LABEL_STATIC_ENTRY: fputs (" [entry]", outfile); break;
          case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", outfile); break;
          case LABEL_WEAK_ENTRY: fputs (" [weak entry]", outfile); break;
          default: gcc_unreachable ();
        }
      break;

    default:
      break;
    }

  if (dump_for_graph
      && (is_insn || NOTE_P (in_rtx)
          || LABEL_P (in_rtx) || BARRIER_P (in_rtx)))
    sawclose = 0;
  else
    {
      fputc (')', outfile);
      sawclose = 1;
    }
}
Example #5
0
void
insn_locators_initialize (void)
{
  tree block = NULL;
  tree last_block = NULL;
  rtx insn, next;
  int loc = 0;
  int line_number = 0, last_line_number = 0;
  char *file_name = NULL, *last_file_name = NULL;

  prologue_locator = epilogue_locator = 0;

  VARRAY_INT_INIT (block_locators_locs, 32, "block_locators_locs");
  VARRAY_TREE_INIT (block_locators_blocks, 32, "block_locators_blocks");
  VARRAY_INT_INIT (line_locators_locs, 32, "line_locators_locs");
  VARRAY_INT_INIT (line_locators_lines, 32, "line_locators_lines");
  VARRAY_INT_INIT (file_locators_locs, 32, "file_locators_locs");
  VARRAY_CHAR_PTR_INIT (file_locators_files, 32, "file_locators_files");

  for (insn = get_insns (); insn; insn = next)
    {
      next = NEXT_INSN (insn);

      if ((active_insn_p (insn)
	   && GET_CODE (PATTERN (insn)) != ADDR_VEC
	   && GET_CODE (PATTERN (insn)) != ADDR_DIFF_VEC)
	  || !NEXT_INSN (insn)
	  || (!prologue_locator && file_name))
	{
	  if (last_block != block)
	    {
	      loc++;
	      VARRAY_PUSH_INT (block_locators_locs, loc);
	      VARRAY_PUSH_TREE (block_locators_blocks, block);
	      last_block = block;
	    }
	  if (last_line_number != line_number)
	    {
	      loc++;
	      VARRAY_PUSH_INT (line_locators_locs, loc);
	      VARRAY_PUSH_INT (line_locators_lines, line_number);
	      last_line_number = line_number;
	    }
	  if (last_file_name != file_name)
	    {
	      loc++;
	      VARRAY_PUSH_INT (file_locators_locs, loc);
	      VARRAY_PUSH_CHAR_PTR (file_locators_files, file_name);
	      last_file_name = file_name;
	    }
	}
      if (!prologue_locator && file_name)
	prologue_locator = loc;
      if (!NEXT_INSN (insn))
	epilogue_locator = loc;
      if (active_insn_p (insn))
        INSN_LOCATOR (insn) = loc;
      else if (GET_CODE (insn) == NOTE)
	{
	  switch (NOTE_LINE_NUMBER (insn))
	    {
	    case NOTE_INSN_BLOCK_BEG:
	      block = NOTE_BLOCK (insn);
	      delete_insn (insn);
	      break;
	    case NOTE_INSN_BLOCK_END:
	      block = BLOCK_SUPERCONTEXT (block);
	      if (block && TREE_CODE (block) == FUNCTION_DECL)
		block = 0;
	      delete_insn (insn);
	      break;
	    default:
	      if (NOTE_LINE_NUMBER (insn) > 0)
		{
		  line_number = NOTE_LINE_NUMBER (insn);
		  file_name = (char *)NOTE_SOURCE_FILE (insn);
		}
	      break;
	    }
	}
    }

  /* Tag the blocks with a depth number so that change_scope can find
     the common parent easily.  */
  set_block_levels (DECL_INITIAL (cfun->decl), 0);
}
Example #6
0
static void
print_rtx (const_rtx in_rtx)
{
  int i = 0;
  int j;
  const char *format_ptr;
  int is_insn;

  if (sawclose)
    {
      if (flag_simple)
	fputc (' ', outfile);
      else
	fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
      sawclose = 0;
    }

  if (in_rtx == 0)
    {
      fputs ("(nil)", outfile);
      sawclose = 1;
      return;
    }
  else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
    {
       fprintf (outfile, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx),
		print_rtx_head, indent * 2, "");
       sawclose = 1;
       return;
    }

  is_insn = INSN_P (in_rtx);

  /* Print name of expression code.  */
  if (flag_simple && CONST_INT_P (in_rtx))
    fputc ('(', outfile);
  else
    fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));

  if (! flag_simple)
    {
      if (RTX_FLAG (in_rtx, in_struct))
	fputs ("/s", outfile);

      if (RTX_FLAG (in_rtx, volatil))
	fputs ("/v", outfile);

      if (RTX_FLAG (in_rtx, unchanging))
	fputs ("/u", outfile);

      if (RTX_FLAG (in_rtx, frame_related))
	fputs ("/f", outfile);

      if (RTX_FLAG (in_rtx, jump))
	fputs ("/j", outfile);

      if (RTX_FLAG (in_rtx, call))
	fputs ("/c", outfile);

      if (RTX_FLAG (in_rtx, return_val))
	fputs ("/i", outfile);

      /* Print REG_NOTE names for EXPR_LIST and INSN_LIST.  */
      if ((GET_CODE (in_rtx) == EXPR_LIST
	   || GET_CODE (in_rtx) == INSN_LIST
	   || GET_CODE (in_rtx) == INT_LIST)
	  && (int)GET_MODE (in_rtx) < REG_NOTE_MAX)
	fprintf (outfile, ":%s",
		 GET_REG_NOTE_NAME (GET_MODE (in_rtx)));

      /* For other rtl, print the mode if it's not VOID.  */
      else if (GET_MODE (in_rtx) != VOIDmode)
	fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));

#ifndef GENERATOR_FILE
      if (GET_CODE (in_rtx) == VAR_LOCATION)
	{
	  if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx)) == STRING_CST)
	    fputs (" <debug string placeholder>", outfile);
	  else
	    print_mem_expr (outfile, PAT_VAR_LOCATION_DECL (in_rtx));
	  fputc (' ', outfile);
	  print_rtx (PAT_VAR_LOCATION_LOC (in_rtx));
	  if (PAT_VAR_LOCATION_STATUS (in_rtx)
	      == VAR_INIT_STATUS_UNINITIALIZED)
	    fprintf (outfile, " [uninit]");
	  sawclose = 1;
	  i = GET_RTX_LENGTH (VAR_LOCATION);
	}
#endif
    }

#ifndef GENERATOR_FILE
  if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
    i = 5;
#endif

  /* Get the format string and skip the first elements if we have handled
     them already.  */
  format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
  for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
    switch (*format_ptr++)
      {
	const char *str;

      case 'T':
	str = XTMPL (in_rtx, i);
	goto string;

      case 'S':
      case 's':
	str = XSTR (in_rtx, i);
      string:

	if (str == 0)
	  fputs (" \"\"", outfile);
	else
	  fprintf (outfile, " (\"%s\")", str);
	sawclose = 1;
	break;

	/* 0 indicates a field for internal use that should not be printed.
	   An exception is the third field of a NOTE, where it indicates
	   that the field has several different valid contents.  */
      case '0':
	if (i == 1 && REG_P (in_rtx))
	  {
	    if (REGNO (in_rtx) != ORIGINAL_REGNO (in_rtx))
	      fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
	  }
#ifndef GENERATOR_FILE
	else if (i == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
	  {
	    int flags = SYMBOL_REF_FLAGS (in_rtx);
	    if (flags)
	      fprintf (outfile, " [flags %#x]", flags);
	  }
	else if (i == 2 && GET_CODE (in_rtx) == SYMBOL_REF)
	  {
	    tree decl = SYMBOL_REF_DECL (in_rtx);
	    if (decl)
	      print_node_brief (outfile, "", decl, dump_flags);
	  }
#endif
	else if (i == 4 && NOTE_P (in_rtx))
	  {
	    switch (NOTE_KIND (in_rtx))
	      {
	      case NOTE_INSN_EH_REGION_BEG:
	      case NOTE_INSN_EH_REGION_END:
		if (flag_dump_unnumbered)
		  fprintf (outfile, " #");
		else
		  fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
		sawclose = 1;
		break;

	      case NOTE_INSN_BLOCK_BEG:
	      case NOTE_INSN_BLOCK_END:
#ifndef GENERATOR_FILE
		dump_addr (outfile, " ", NOTE_BLOCK (in_rtx));
#endif
		sawclose = 1;
		break;

	      case NOTE_INSN_BASIC_BLOCK:
		{
#ifndef GENERATOR_FILE
		  basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
		  if (bb != 0)
		    fprintf (outfile, " [bb %d]", bb->index);
#endif
		  break;
	        }

	      case NOTE_INSN_DELETED_LABEL:
	      case NOTE_INSN_DELETED_DEBUG_LABEL:
		{
		  const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
		  if (label)
		    fprintf (outfile, " (\"%s\")", label);
		  else
		    fprintf (outfile, " \"\"");
		}
		break;

	      case NOTE_INSN_SWITCH_TEXT_SECTIONS:
		{
#ifndef GENERATOR_FILE
		  basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
		  if (bb != 0)
		    fprintf (outfile, " [bb %d]", bb->index);
#endif
		  break;
		}

	      case NOTE_INSN_VAR_LOCATION:
	      case NOTE_INSN_CALL_ARG_LOCATION:
#ifndef GENERATOR_FILE
		fputc (' ', outfile);
		print_rtx (NOTE_VAR_LOCATION (in_rtx));
#endif
		break;

	      case NOTE_INSN_CFI:
#ifndef GENERATOR_FILE
		fputc ('\n', outfile);
		output_cfi_directive (outfile, NOTE_CFI (in_rtx));
		fputc ('\t', outfile);
#endif
		break;

	      default:
		break;
	      }
	  }
	else if (i == 8 && JUMP_P (in_rtx) && JUMP_LABEL (in_rtx) != NULL)
	  {
	    /* Output the JUMP_LABEL reference.  */
	    fprintf (outfile, "\n%s%*s -> ", print_rtx_head, indent * 2, "");
	    if (GET_CODE (JUMP_LABEL (in_rtx)) == RETURN)
	      fprintf (outfile, "return");
	    else if (GET_CODE (JUMP_LABEL (in_rtx)) == SIMPLE_RETURN)
	      fprintf (outfile, "simple_return");
	    else
	      fprintf (outfile, "%d", INSN_UID (JUMP_LABEL (in_rtx)));
	  }
	else if (i == 0 && GET_CODE (in_rtx) == VALUE)
	  {
#ifndef GENERATOR_FILE
	    cselib_val *val = CSELIB_VAL_PTR (in_rtx);

	    fprintf (outfile, " %u:%u", val->uid, val->hash);
	    dump_addr (outfile, " @", in_rtx);
	    dump_addr (outfile, "/", (void*)val);
#endif
	  }
	else if (i == 0 && GET_CODE (in_rtx) == DEBUG_EXPR)
	  {
#ifndef GENERATOR_FILE
	    fprintf (outfile, " D#%i",
		     DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx)));
#endif
	  }
	else if (i == 0 && GET_CODE (in_rtx) == ENTRY_VALUE)
	  {
	    indent += 2;
	    if (!sawclose)
	      fprintf (outfile, " ");
	    print_rtx (ENTRY_VALUE_EXP (in_rtx));
	    indent -= 2;
	  }
	break;

      case 'e':
      do_e:
	indent += 2;
	if (i == 7 && INSN_P (in_rtx))
	  /* Put REG_NOTES on their own line.  */
	  fprintf (outfile, "\n%s%*s",
		   print_rtx_head, indent * 2, "");
	if (!sawclose)
	  fprintf (outfile, " ");
	print_rtx (XEXP (in_rtx, i));
	indent -= 2;
	break;

      case 'E':
      case 'V':
	indent += 2;
	if (sawclose)
	  {
	    fprintf (outfile, "\n%s%*s",
		     print_rtx_head, indent * 2, "");
	    sawclose = 0;
	  }
	fputs (" [", outfile);
	if (NULL != XVEC (in_rtx, i))
	  {
	    indent += 2;
	    if (XVECLEN (in_rtx, i))
	      sawclose = 1;

	    for (j = 0; j < XVECLEN (in_rtx, i); j++)
	      print_rtx (XVECEXP (in_rtx, i, j));

	    indent -= 2;
	  }
	if (sawclose)
	  fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");

	fputs ("]", outfile);
	sawclose = 1;
	indent -= 2;
	break;

      case 'w':
	if (! flag_simple)
	  fprintf (outfile, " ");
	fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
	if (! flag_simple)
	  fprintf (outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
		   (unsigned HOST_WIDE_INT) XWINT (in_rtx, i));
	break;

      case 'i':
	if (i == 5 && INSN_P (in_rtx))
	  {
#ifndef GENERATOR_FILE
	    /*  Pretty-print insn locations.  Ignore scoping as it is mostly
		redundant with line number information and do not print anything
		when there is no location information available.  */
	    if (INSN_LOCATION (in_rtx) && insn_file (in_rtx))
	      fprintf(outfile, " %s:%i", insn_file (in_rtx), insn_line (in_rtx));
#endif
	  }
	else if (i == 6 && GET_CODE (in_rtx) == ASM_OPERANDS)
	  {
#ifndef GENERATOR_FILE
	    fprintf (outfile, " %s:%i",
		     LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)),
		     LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)));
#endif
	  }
	else if (i == 1 && GET_CODE (in_rtx) == ASM_INPUT)
	  {
#ifndef GENERATOR_FILE
	    fprintf (outfile, " %s:%i",
		     LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx)),
		     LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx)));
#endif
	  }
	else if (i == 6 && NOTE_P (in_rtx))
	  {
	    /* This field is only used for NOTE_INSN_DELETED_LABEL, and
	       other times often contains garbage from INSN->NOTE death.  */
	    if (NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_LABEL
		|| NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_DEBUG_LABEL)
	      fprintf (outfile, " %d",  XINT (in_rtx, i));
	  }
#if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
	else if (i == 1
		 && GET_CODE (in_rtx) == UNSPEC_VOLATILE
		 && XINT (in_rtx, 1) >= 0
		 && XINT (in_rtx, 1) < NUM_UNSPECV_VALUES)
	  fprintf (outfile, " %s", unspecv_strings[XINT (in_rtx, 1)]);
#endif
#if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
	else if (i == 1
		 && (GET_CODE (in_rtx) == UNSPEC
		     || GET_CODE (in_rtx) == UNSPEC_VOLATILE)
		 && XINT (in_rtx, 1) >= 0
		 && XINT (in_rtx, 1) < NUM_UNSPEC_VALUES)
	  fprintf (outfile, " %s", unspec_strings[XINT (in_rtx, 1)]);
#endif
	else
	  {
	    int value = XINT (in_rtx, i);
	    const char *name;

#ifndef GENERATOR_FILE
	    if (REG_P (in_rtx) && (unsigned) value < FIRST_PSEUDO_REGISTER)
	      fprintf (outfile, " %d %s", value, reg_names[value]);
	    else if (REG_P (in_rtx)
		     && (unsigned) value <= LAST_VIRTUAL_REGISTER)
	      {
		if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
		  fprintf (outfile, " %d virtual-incoming-args", value);
		else if (value == VIRTUAL_STACK_VARS_REGNUM)
		  fprintf (outfile, " %d virtual-stack-vars", value);
		else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
		  fprintf (outfile, " %d virtual-stack-dynamic", value);
		else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
		  fprintf (outfile, " %d virtual-outgoing-args", value);
		else if (value == VIRTUAL_CFA_REGNUM)
		  fprintf (outfile, " %d virtual-cfa", value);
		else if (value == VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM)
		  fprintf (outfile, " %d virtual-preferred-stack-boundary",
			   value);
		else
		  fprintf (outfile, " %d virtual-reg-%d", value,
			   value-FIRST_VIRTUAL_REGISTER);
	      }
	    else
#endif
	      if (flag_dump_unnumbered
		     && (is_insn || NOTE_P (in_rtx)))
	      fputc ('#', outfile);
	    else
	      fprintf (outfile, " %d", value);

#ifndef GENERATOR_FILE
	    if (REG_P (in_rtx) && REG_ATTRS (in_rtx))
	      {
		fputs (" [", outfile);
		if (ORIGINAL_REGNO (in_rtx) != REGNO (in_rtx))
		  fprintf (outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
		if (REG_EXPR (in_rtx))
		  print_mem_expr (outfile, REG_EXPR (in_rtx));

		if (REG_OFFSET (in_rtx))
		  fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
			   REG_OFFSET (in_rtx));
		fputs (" ]", outfile);
	      }
#endif

	    if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
		&& XINT (in_rtx, i) >= 0
		&& (name = get_insn_name (XINT (in_rtx, i))) != NULL)
	      fprintf (outfile, " {%s}", name);
	    sawclose = 0;
	  }
	break;

      /* Print NOTE_INSN names rather than integer codes.  */

      case 'n':
	fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
	sawclose = 0;
	break;

      case 'u':
	if (XEXP (in_rtx, i) != NULL)
	  {
	    rtx sub = XEXP (in_rtx, i);
	    enum rtx_code subc = GET_CODE (sub);

	    if (GET_CODE (in_rtx) == LABEL_REF)
	      {
		if (subc == NOTE
		    && NOTE_KIND (sub) == NOTE_INSN_DELETED_LABEL)
		  {
		    if (flag_dump_unnumbered)
		      fprintf (outfile, " [# deleted]");
		    else
		      fprintf (outfile, " [%d deleted]", INSN_UID (sub));
		    sawclose = 0;
		    break;
		  }

		if (subc != CODE_LABEL)
		  goto do_e;
	      }

	    if (flag_dump_unnumbered
		|| (flag_dump_unnumbered_links && (i == 1 || i == 2)
		    && (INSN_P (in_rtx) || NOTE_P (in_rtx)
			|| LABEL_P (in_rtx) || BARRIER_P (in_rtx))))
	      fputs (" #", outfile);
	    else
	      fprintf (outfile, " %d", INSN_UID (sub));
	  }
	else
	  fputs (" 0", outfile);
	sawclose = 0;
	break;

      case 't':
#ifndef GENERATOR_FILE
	if (i == 0 && GET_CODE (in_rtx) == DEBUG_IMPLICIT_PTR)
	  print_mem_expr (outfile, DEBUG_IMPLICIT_PTR_DECL (in_rtx));
	else if (i == 0 && GET_CODE (in_rtx) == DEBUG_PARAMETER_REF)
	  print_mem_expr (outfile, DEBUG_PARAMETER_REF_DECL (in_rtx));
	else
	  dump_addr (outfile, " ", XTREE (in_rtx, i));
#endif
	break;

      case '*':
	fputs (" Unknown", outfile);
	sawclose = 0;
	break;

      case 'B':
#ifndef GENERATOR_FILE
	if (XBBDEF (in_rtx, i))
	  fprintf (outfile, " %i", XBBDEF (in_rtx, i)->index);
#endif
	break;

      default:
	gcc_unreachable ();
      }

  switch (GET_CODE (in_rtx))
    {
#ifndef GENERATOR_FILE
    case MEM:
      if (__builtin_expect (final_insns_dump_p, false))
	fprintf (outfile, " [");
      else
	fprintf (outfile, " [" HOST_WIDE_INT_PRINT_DEC,
		 (HOST_WIDE_INT) MEM_ALIAS_SET (in_rtx));

      if (MEM_EXPR (in_rtx))
	print_mem_expr (outfile, MEM_EXPR (in_rtx));

      if (MEM_OFFSET_KNOWN_P (in_rtx))
	fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC, MEM_OFFSET (in_rtx));

      if (MEM_SIZE_KNOWN_P (in_rtx))
	fprintf (outfile, " S" HOST_WIDE_INT_PRINT_DEC, MEM_SIZE (in_rtx));

      if (MEM_ALIGN (in_rtx) != 1)
	fprintf (outfile, " A%u", MEM_ALIGN (in_rtx));

      if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx)))
	fprintf (outfile, " AS%u", MEM_ADDR_SPACE (in_rtx));

      fputc (']', outfile);
      break;

    case CONST_DOUBLE:
      if (FLOAT_MODE_P (GET_MODE (in_rtx)))
	{
	  char s[60];

	  real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
			   sizeof (s), 0, 1);
	  fprintf (outfile, " %s", s);

	  real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
			       sizeof (s), 0, 1);
	  fprintf (outfile, " [%s]", s);
	}
      break;
#endif

    case CODE_LABEL:
      fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
      switch (LABEL_KIND (in_rtx))
	{
	  case LABEL_NORMAL: break;
	  case LABEL_STATIC_ENTRY: fputs (" [entry]", outfile); break;
	  case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", outfile); break;
	  case LABEL_WEAK_ENTRY: fputs (" [weak entry]", outfile); break;
	  default: gcc_unreachable ();
	}
      break;

    default:
      break;
    }

  fputc (')', outfile);
  sawclose = 1;
}