Beispiel #1
0
rtx
compare_and_jump_seq (rtx op0, rtx op1, enum rtx_code comp, rtx label, int prob,
		      rtx cinsn)
{
  rtx seq, jump, cond;
  enum machine_mode mode;

  mode = GET_MODE (op0);
  if (mode == VOIDmode)
    mode = GET_MODE (op1);

  start_sequence ();
  if (GET_MODE_CLASS (mode) == MODE_CC)
    {
      /* A hack -- there seems to be no easy generic way how to make a
	 conditional jump from a ccmode comparison.  */
      gcc_assert (cinsn);
      cond = XEXP (SET_SRC (pc_set (cinsn)), 0);
      gcc_assert (GET_CODE (cond) == comp);
      gcc_assert (rtx_equal_p (op0, XEXP (cond, 0)));
      gcc_assert (rtx_equal_p (op1, XEXP (cond, 1)));
      emit_jump_insn (copy_insn (PATTERN (cinsn)));
      jump = get_last_insn ();
      gcc_assert (JUMP_P (jump));
      JUMP_LABEL (jump) = JUMP_LABEL (cinsn);
      LABEL_NUSES (JUMP_LABEL (jump))++;
      redirect_jump (jump, label, 0);
    }
  else
    {
      gcc_assert (!cinsn);

      op0 = force_operand (op0, NULL_RTX);
      op1 = force_operand (op1, NULL_RTX);
      do_compare_rtx_and_jump (op0, op1, comp, 0,
			       mode, NULL_RTX, NULL_RTX, label, -1);
      jump = get_last_insn ();
      gcc_assert (JUMP_P (jump));
      JUMP_LABEL (jump) = label;
      LABEL_NUSES (label)++;
    }
  add_reg_note (jump, REG_BR_PROB, GEN_INT (prob));

  seq = get_insns ();
  end_sequence ();

  return seq;
}
Beispiel #2
0
static void
add_test (rtx cond, basic_block bb, basic_block dest)
{
    rtx seq, jump, label;
    enum machine_mode mode;
    rtx op0 = XEXP (cond, 0), op1 = XEXP (cond, 1);
    enum rtx_code code = GET_CODE (cond);

    mode = GET_MODE (XEXP (cond, 0));
    if (mode == VOIDmode)
        mode = GET_MODE (XEXP (cond, 1));

    start_sequence ();
    op0 = force_operand (op0, NULL_RTX);
    op1 = force_operand (op1, NULL_RTX);
    label = block_label (dest);
    do_compare_rtx_and_jump (op0, op1, code, 0, mode, NULL_RTX, NULL_RTX, label);

    jump = get_last_insn ();
    JUMP_LABEL (jump) = label;

    /* The jump is supposed to handle an unlikely special case.  */
    REG_NOTES (jump)
        = gen_rtx_EXPR_LIST (REG_BR_PROB,
                             const0_rtx, REG_NOTES (jump));

    LABEL_NUSES (label)++;

    seq = get_insns ();
    end_sequence ();
    emit_insn_after (seq, BB_END (bb));
}
Beispiel #3
0
static void
erase_matching_seqs (void)
{
  seq_block sb;
  matching_seq mseq;
  rtx insn;
  basic_block bb;
  rtx retlabel, saveinsn, callinsn;
  int i;

  for (sb = seq_blocks; sb; sb = sb->next_seq_block)
    {
      for (mseq = sb->matching_seqs; mseq; mseq = mseq->next_matching_seq)
        {
          insn = mseq->insn;
          bb = BLOCK_FOR_INSN (insn);

          /* Get the label after the sequence. This will be the return
             address. The label will be referenced using a symbol_ref so
             protect it from deleting.  */
          retlabel = block_label_after (insn);
          LABEL_PRESERVE_P (retlabel) = 1;

          /* Delete the insns of the sequence.  */
          for (i = 0; i < sb->length; i++)
            insn = prev_insn_in_block (insn);
          delete_basic_block (split_block_and_df_analyze (bb, insn));

          /* Emit an insn saving the return address to the link register
             before the deleted sequence.  */
          saveinsn = emit_insn_after (gen_move_insn (pattern_seqs->link_reg,
                                      gen_symbol_ref_rtx_for_label
                                      (retlabel)),
                                      BB_END (bb));
          BLOCK_FOR_INSN (saveinsn) = bb;

          /* Emit a jump to the appropriate part of the pattern sequence
             after the save insn. Also update the basic block.  */
          callinsn = emit_jump_insn_after (gen_jump (sb->label), saveinsn);
          JUMP_LABEL (callinsn) = sb->label;
          LABEL_NUSES (sb->label)++;
          BLOCK_FOR_INSN (callinsn) = bb;
          BB_END (bb) = callinsn;

          /* Maintain control flow and liveness information.  */
          SET_REGNO_REG_SET (df_get_live_out (bb),
                             REGNO (pattern_seqs->link_reg));
          emit_barrier_after (BB_END (bb));
          make_single_succ_edge (bb, BLOCK_FOR_INSN (sb->label), 0);
          IOR_REG_SET (df_get_live_out (bb),
		       df_get_live_in (BLOCK_FOR_INSN (sb->label)));

          make_edge (BLOCK_FOR_INSN (seq_blocks->label),
                     BLOCK_FOR_INSN (retlabel), EDGE_ABNORMAL);
        }
    }
}
Beispiel #4
0
static void
maybe_propagate_label_ref (rtx jump_insn, rtx prev_nonjump_insn)
{
  rtx label_note, pc, pc_src;

  pc = pc_set (jump_insn);
  pc_src = pc != NULL ? SET_SRC (pc) : NULL;
  label_note = find_reg_note (prev_nonjump_insn, REG_LABEL_OPERAND, NULL);

  /* If the previous non-jump insn sets something to a label,
     something that this jump insn uses, make that label the primary
     target of this insn if we don't yet have any.  That previous
     insn must be a single_set and not refer to more than one label.
     The jump insn must not refer to other labels as jump targets
     and must be a plain (set (pc) ...), maybe in a parallel, and
     may refer to the item being set only directly or as one of the
     arms in an IF_THEN_ELSE.  */

  if (label_note != NULL && pc_src != NULL)
    {
      rtx label_set = single_set (prev_nonjump_insn);
      rtx label_dest = label_set != NULL ? SET_DEST (label_set) : NULL;

      if (label_set != NULL
	  /* The source must be the direct LABEL_REF, not a
	     PLUS, UNSPEC, IF_THEN_ELSE etc.  */
	  && GET_CODE (SET_SRC (label_set)) == LABEL_REF
	  && (rtx_equal_p (label_dest, pc_src)
	      || (GET_CODE (pc_src) == IF_THEN_ELSE
		  && (rtx_equal_p (label_dest, XEXP (pc_src, 1))
		      || rtx_equal_p (label_dest, XEXP (pc_src, 2))))))
	{
	  /* The CODE_LABEL referred to in the note must be the
	     CODE_LABEL in the LABEL_REF of the "set".  We can
	     conveniently use it for the marker function, which
	     requires a LABEL_REF wrapping.  */
	  gcc_assert (XEXP (label_note, 0) == XEXP (SET_SRC (label_set), 0));

	  mark_jump_label_1 (label_set, jump_insn, false, true);

	  gcc_assert (JUMP_LABEL (jump_insn) == XEXP (label_note, 0));
	}
    }
}
Beispiel #5
0
static void
mark_all_labels (rtx f)
{
  rtx insn;
  rtx prev_nonjump_insn = NULL;

  for (insn = f; insn; insn = NEXT_INSN (insn))
    if (INSN_P (insn))
      {
	mark_jump_label (PATTERN (insn), insn, 0);

	/* If the previous non-jump insn sets something to a label,
	   something that this jump insn uses, make that label the primary
	   target of this insn if we don't yet have any.  That previous
	   insn must be a single_set and not refer to more than one label.
	   The jump insn must not refer to other labels as jump targets
	   and must be a plain (set (pc) ...), maybe in a parallel, and
	   may refer to the item being set only directly or as one of the
	   arms in an IF_THEN_ELSE.  */
	if (! INSN_DELETED_P (insn)
	    && JUMP_P (insn)
	    && JUMP_LABEL (insn) == NULL)
	  {
	    rtx label_note = NULL;
	    rtx pc = pc_set (insn);
	    rtx pc_src = pc != NULL ? SET_SRC (pc) : NULL;

	    if (prev_nonjump_insn != NULL)
	      label_note
		= find_reg_note (prev_nonjump_insn, REG_LABEL_OPERAND, NULL);

	    if (label_note != NULL && pc_src != NULL)
	      {
		rtx label_set = single_set (prev_nonjump_insn);
		rtx label_dest
		  = label_set != NULL ? SET_DEST (label_set) : NULL;

		if (label_set != NULL
		    /* The source must be the direct LABEL_REF, not a
		       PLUS, UNSPEC, IF_THEN_ELSE etc.  */
		    && GET_CODE (SET_SRC (label_set)) == LABEL_REF
		    && (rtx_equal_p (label_dest, pc_src)
			|| (GET_CODE (pc_src) == IF_THEN_ELSE
			    && (rtx_equal_p (label_dest, XEXP (pc_src, 1))
				|| rtx_equal_p (label_dest,
						XEXP (pc_src, 2))))))

		  {
		    /* The CODE_LABEL referred to in the note must be the
		       CODE_LABEL in the LABEL_REF of the "set".  We can
		       conveniently use it for the marker function, which
		       requires a LABEL_REF wrapping.  */
		    gcc_assert (XEXP (label_note, 0)
				== XEXP (SET_SRC (label_set), 0));

		    mark_jump_label_1 (label_set, insn, false, true);
		    gcc_assert (JUMP_LABEL (insn)
				== XEXP (SET_SRC (label_set), 0));
		  }
	      }
	  }
	else if (! INSN_DELETED_P (insn))
	  prev_nonjump_insn = insn;
      }
    else if (LABEL_P (insn))
      prev_nonjump_insn = NULL;

  /* If we are in cfglayout mode, there may be non-insns between the
     basic blocks.  If those non-insns represent tablejump data, they
     contain label references that we must record.  */
  if (current_ir_type () == IR_RTL_CFGLAYOUT)
    {
      basic_block bb;
      rtx insn;
      FOR_EACH_BB (bb)
	{
	  for (insn = bb->il.rtl->header; insn; insn = NEXT_INSN (insn))
	    if (INSN_P (insn))
	      {
		gcc_assert (JUMP_TABLE_DATA_P (insn));
		mark_jump_label (PATTERN (insn), insn, 0);
	      }

	  for (insn = bb->il.rtl->footer; insn; insn = NEXT_INSN (insn))
	    if (INSN_P (insn))
	      {
		gcc_assert (JUMP_TABLE_DATA_P (insn));
		mark_jump_label (PATTERN (insn), insn, 0);
	      }
	}
    }
Beispiel #6
0
static void
doloop_modify (struct loop *loop, struct niter_desc *desc,
               rtx doloop_seq, rtx condition, rtx count)
{
    rtx counter_reg;
    rtx tmp, noloop = NULL_RTX;
    rtx sequence;
    rtx jump_insn;
    rtx jump_label;
    int nonneg = 0, irr;
    bool increment_count;
    basic_block loop_end = desc->out_edge->src;
    enum machine_mode mode;

    jump_insn = BB_END (loop_end);

    if (dump_file)
    {
        fprintf (dump_file, "Doloop: Inserting doloop pattern (");
        if (desc->const_iter)
            fprintf (dump_file, HOST_WIDEST_INT_PRINT_DEC, desc->niter);
        else
            fputs ("runtime", dump_file);
        fputs (" iterations).\n", dump_file);
    }

    /* Discard original jump to continue loop.  The original compare
       result may still be live, so it cannot be discarded explicitly.  */
    delete_insn (jump_insn);

    counter_reg = XEXP (condition, 0);
    if (GET_CODE (counter_reg) == PLUS)
        counter_reg = XEXP (counter_reg, 0);
    mode = GET_MODE (counter_reg);

    increment_count = false;
    switch (GET_CODE (condition))
    {
    case NE:
        /* Currently only NE tests against zero and one are supported.  */
        if (XEXP (condition, 1) == const1_rtx)
        {
            increment_count = true;
            noloop = const1_rtx;
        }
        else if (XEXP (condition, 1) == const0_rtx)
            noloop = const0_rtx;
        else
            abort ();
        break;

    case GE:
        /* Currently only GE tests against zero are supported.  */
        if (XEXP (condition, 1) != const0_rtx)
            abort ();

        noloop = constm1_rtx;

        /* The iteration count does not need incrementing for a GE test.  */
        increment_count = false;

        /* Determine if the iteration counter will be non-negative.
        Note that the maximum value loaded is iterations_max - 1.  */
        if (desc->niter_max
                <= ((unsigned HOST_WIDEST_INT) 1
                    << (GET_MODE_BITSIZE (mode) - 1)))
            nonneg = 1;
        break;

    /* Abort if an invalid doloop pattern has been generated.  */
    default:
        abort ();
    }

    if (increment_count)
        count = simplify_gen_binary (PLUS, mode, count, const1_rtx);

    /* Insert initialization of the count register into the loop header.  */
    start_sequence ();
    tmp = force_operand (count, counter_reg);
    convert_move (counter_reg, tmp, 1);
    sequence = get_insns ();
    end_sequence ();
    emit_insn_after (sequence, BB_END (loop_preheader_edge (loop)->src));

    if (desc->noloop_assumptions)
    {
        rtx ass = copy_rtx (desc->noloop_assumptions);
        basic_block preheader = loop_preheader_edge (loop)->src;
        basic_block set_zero
            = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
        basic_block new_preheader
            = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
        basic_block bb;
        edge te;
        gcov_type cnt;

        /* Expand the condition testing the assumptions and if it does not pass,
        reset the count register to 0.  */
        add_test (XEXP (ass, 0), preheader, set_zero);
        EDGE_SUCC (preheader, 0)->flags &= ~EDGE_FALLTHRU;
        cnt = EDGE_SUCC (preheader, 0)->count;
        EDGE_SUCC (preheader, 0)->probability = 0;
        EDGE_SUCC (preheader, 0)->count = 0;
        irr = EDGE_SUCC (preheader, 0)->flags & EDGE_IRREDUCIBLE_LOOP;
        te = make_edge (preheader, new_preheader, EDGE_FALLTHRU | irr);
        te->probability = REG_BR_PROB_BASE;
        te->count = cnt;
        set_immediate_dominator (CDI_DOMINATORS, new_preheader, preheader);

        set_zero->count = 0;
        set_zero->frequency = 0;

        for (ass = XEXP (ass, 1); ass; ass = XEXP (ass, 1))
        {
            bb = loop_split_edge_with (te, NULL_RTX);
            te = EDGE_SUCC (bb, 0);
            add_test (XEXP (ass, 0), bb, set_zero);
            make_edge (bb, set_zero, irr);
        }

        start_sequence ();
        convert_move (counter_reg, noloop, 0);
        sequence = get_insns ();
        end_sequence ();
        emit_insn_after (sequence, BB_END (set_zero));
    }

    /* Some targets (eg, C4x) need to initialize special looping
       registers.  */
#ifdef HAVE_doloop_begin
    {
        rtx init;
        unsigned level = get_loop_level (loop) + 1;
        init = gen_doloop_begin (counter_reg,
                                 desc->const_iter ? desc->niter_expr : const0_rtx,
                                 desc->niter_max,
                                 GEN_INT (level));
        if (init)
        {
            start_sequence ();
            emit_insn (init);
            sequence = get_insns ();
            end_sequence ();
            emit_insn_after (sequence, BB_END (loop_preheader_edge (loop)->src));
        }
    }
#endif

    /* Insert the new low-overhead looping insn.  */
    emit_jump_insn_after (doloop_seq, BB_END (loop_end));
    jump_insn = BB_END (loop_end);
    jump_label = block_label (desc->in_edge->dest);
    JUMP_LABEL (jump_insn) = jump_label;
    LABEL_NUSES (jump_label)++;

    /* Ensure the right fallthru edge is marked, for case we have reversed
       the condition.  */
    desc->in_edge->flags &= ~EDGE_FALLTHRU;
    desc->out_edge->flags |= EDGE_FALLTHRU;

    /* Add a REG_NONNEG note if the actual or estimated maximum number
       of iterations is non-negative.  */
    if (nonneg)
    {
        REG_NOTES (jump_insn)
            = gen_rtx_EXPR_LIST (REG_NONNEG, NULL_RTX, REG_NOTES (jump_insn));
    }
}
Beispiel #7
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;
}