Exemplo n.º 1
0
void
do_compare_rtx_and_jump (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
			 enum machine_mode mode, rtx size, rtx if_false_label,
			 rtx if_true_label, int prob)
{
  rtx tem;
  rtx dummy_label = NULL_RTX;
  rtx last;

  /* Reverse the comparison if that is safe and we want to jump if it is
     false.  Also convert to the reverse comparison if the target can
     implement it.  */
  if ((! if_true_label
       || ! can_compare_p (code, mode, ccp_jump))
      && (! FLOAT_MODE_P (mode)
	  || code == ORDERED || code == UNORDERED
	  || (! HONOR_NANS (mode) && (code == LTGT || code == UNEQ))
	  || (! HONOR_SNANS (mode) && (code == EQ || code == NE))))
    {
      enum rtx_code rcode;
      if (FLOAT_MODE_P (mode))
        rcode = reverse_condition_maybe_unordered (code);
      else
        rcode = reverse_condition (code);

      /* Canonicalize to UNORDERED for the libcall.  */
      if (can_compare_p (rcode, mode, ccp_jump)
	  || (code == ORDERED && ! can_compare_p (ORDERED, mode, ccp_jump)))
	{
          tem = if_true_label;
          if_true_label = if_false_label;
          if_false_label = tem;
	  code = rcode;
	  prob = inv (prob);
	}
    }

  /* If one operand is constant, make it the second one.  Only do this
     if the other operand is not constant as well.  */

  if (swap_commutative_operands_p (op0, op1))
    {
      tem = op0;
      op0 = op1;
      op1 = tem;
      code = swap_condition (code);
    }

  do_pending_stack_adjust ();

  code = unsignedp ? unsigned_condition (code) : code;
  if (0 != (tem = simplify_relational_operation (code, mode, VOIDmode,
						 op0, op1)))
    {
      if (CONSTANT_P (tem))
	{
	  rtx label = (tem == const0_rtx || tem == CONST0_RTX (mode))
		      ? if_false_label : if_true_label;
	  if (label)
	    emit_jump (label);
	  return;
	}

      code = GET_CODE (tem);
      mode = GET_MODE (tem);
      op0 = XEXP (tem, 0);
      op1 = XEXP (tem, 1);
      unsignedp = (code == GTU || code == LTU || code == GEU || code == LEU);
    }

  if (! if_true_label)
    dummy_label = if_true_label = gen_label_rtx ();

  if (GET_MODE_CLASS (mode) == MODE_INT
      && ! can_compare_p (code, mode, ccp_jump))
    {
      switch (code)
	{
	case LTU:
	  do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
					if_false_label, if_true_label, prob);
	  break;

	case LEU:
	  do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case GTU:
	  do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
					if_false_label, if_true_label, prob);
	  break;

	case GEU:
	  do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case LT:
	  do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
					if_false_label, if_true_label, prob);
	  break;

	case LE:
	  do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case GT:
	  do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
					if_false_label, if_true_label, prob);
	  break;

	case GE:
	  do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case EQ:
	  do_jump_by_parts_equality_rtx (mode, op0, op1, if_false_label,
					 if_true_label, prob);
	  break;

	case NE:
	  do_jump_by_parts_equality_rtx (mode, op0, op1, if_true_label,
					 if_false_label, inv (prob));
	  break;

	default:
	  gcc_unreachable ();
	}
    }
  else
    {
      if (GET_MODE_CLASS (mode) == MODE_FLOAT
	  && ! can_compare_p (code, mode, ccp_jump)
	  && can_compare_p (swap_condition (code), mode, ccp_jump))
	{
	  rtx tmp;
	  code = swap_condition (code);
	  tmp = op0;
	  op0 = op1;
	  op1 = tmp;
	}

      else if (GET_MODE_CLASS (mode) == MODE_FLOAT
	       && ! can_compare_p (code, mode, ccp_jump)

	       /* Never split ORDERED and UNORDERED.  These must be implemented.  */
	       && (code != ORDERED && code != UNORDERED)

               /* Split a floating-point comparison if we can jump on other
	          conditions...  */
	       && (have_insn_for (COMPARE, mode)

	           /* ... or if there is no libcall for it.  */
	           || code_to_optab[code] == NULL))
        {
	  enum rtx_code first_code;
	  bool and_them = split_comparison (code, mode, &first_code, &code);

	  /* If there are no NaNs, the first comparison should always fall
	     through.  */
	  if (!HONOR_NANS (mode))
	    gcc_assert (first_code == (and_them ? ORDERED : UNORDERED));

	  else
	    {
	      if (and_them)
		{
		  rtx dest_label;
		  /* If we only jump if true, just bypass the second jump.  */
		  if (! if_false_label)
		    {
		      if (! dummy_label)
		        dummy_label = gen_label_rtx ();
		      dest_label = dummy_label;
		    }
		  else
		    dest_label = if_false_label;
                  do_compare_rtx_and_jump (op0, op1, first_code, unsignedp, mode,
					   size, dest_label, NULL_RTX, prob);
		}
              else
                do_compare_rtx_and_jump (op0, op1, first_code, unsignedp, mode,
					 size, NULL_RTX, if_true_label, prob);
	    }
	}

      last = get_last_insn ();
      emit_cmp_and_jump_insns (op0, op1, code, size, mode, unsignedp,
			       if_true_label);
      if (prob != -1 && profile_status != PROFILE_ABSENT)
	{
	  for (last = NEXT_INSN (last);
	       last && NEXT_INSN (last);
	       last = NEXT_INSN (last))
	    if (JUMP_P (last))
	      break;
	  if (!last
	      || !JUMP_P (last)
	      || NEXT_INSN (last)
	      || !any_condjump_p (last))
	    {
	      if (dump_file)
		fprintf (dump_file, "Failed to add probability note\n");
	    }
	  else
	    {
	      gcc_assert (!find_reg_note (last, REG_BR_PROB, 0));
	      add_reg_note (last, REG_BR_PROB, GEN_INT (prob));
	    }
	}
    }

  if (if_false_label)
    emit_jump (if_false_label);
  if (dummy_label)
    emit_label (dummy_label);
}
Exemplo n.º 2
0
void
print_value (pretty_printer *pp, const_rtx x, int verbose)
{
  char tmp[1024];

  if (!x)
    {
      pp_string (pp, "(nil)");
      return;
    }
  switch (GET_CODE (x))
    {
    case CONST_INT:
      pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
		 (unsigned HOST_WIDE_INT) INTVAL (x));
      break;
    case CONST_DOUBLE:
      if (FLOAT_MODE_P (GET_MODE (x)))
	{
	  real_to_decimal (tmp, CONST_DOUBLE_REAL_VALUE (x),
			   sizeof (tmp), 0, 1);
	  pp_string (pp, tmp);
	}
      else
	pp_printf (pp, "<%wx,%wx>",
		   (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
		   (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
      break;
    case CONST_FIXED:
      fixed_to_decimal (tmp, CONST_FIXED_VALUE (x), sizeof (tmp));
      pp_string (pp, tmp);
      break;
    case CONST_STRING:
      pp_printf (pp, "\"%s\"", XSTR (x, 0));
      break;
    case SYMBOL_REF:
      pp_printf (pp, "`%s'", XSTR (x, 0));
      break;
    case LABEL_REF:
      pp_printf (pp, "L%d", INSN_UID (XEXP (x, 0)));
      break;
    case CONST:
    case HIGH:
    case STRICT_LOW_PART:
      pp_printf (pp, "%s(", GET_RTX_NAME (GET_CODE (x)));
      print_value (pp, XEXP (x, 0), verbose);
      pp_right_paren (pp);
      break;
    case REG:
      if (REGNO (x) < FIRST_PSEUDO_REGISTER)
	{
	  if (ISDIGIT (reg_names[REGNO (x)][0]))
	    pp_modulo (pp);
	  pp_string (pp, reg_names[REGNO (x)]);
	}
      else
	pp_printf (pp, "r%d", REGNO (x));
      if (verbose)
	pp_printf (pp, ":%s", GET_MODE_NAME (GET_MODE (x)));
      break;
    case SUBREG:
      print_value (pp, SUBREG_REG (x), verbose);
      pp_printf (pp, "#%d", SUBREG_BYTE (x));
      break;
    case SCRATCH:
    case CC0:
    case PC:
      pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
      break;
    case MEM:
      pp_left_bracket (pp);
      print_value (pp, XEXP (x, 0), verbose);
      pp_right_bracket (pp);
      break;
    case DEBUG_EXPR:
      pp_printf (pp, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
      break;
    default:
      print_exp (pp, x, verbose);
      break;
    }
}				/* print_value */
Exemplo n.º 3
0
void
do_compare_rtx_and_jump (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
                         enum machine_mode mode, rtx size, rtx if_false_label,
                         rtx if_true_label)
{
  rtx tem;
  int dummy_true_label = 0;

  /* Reverse the comparison if that is safe and we want to jump if it is
     false.  */
  if (! if_true_label && ! FLOAT_MODE_P (mode))
    {
      if_true_label = if_false_label;
      if_false_label = 0;
      code = reverse_condition (code);
    }

  /* If one operand is constant, make it the second one.  Only do this
     if the other operand is not constant as well.  */

  if (swap_commutative_operands_p (op0, op1))
    {
      tem = op0;
      op0 = op1;
      op1 = tem;
      code = swap_condition (code);
    }

  do_pending_stack_adjust ();

  code = unsignedp ? unsigned_condition (code) : code;
  if (0 != (tem = simplify_relational_operation (code, mode, VOIDmode,
                                                 op0, op1)))
    {
      if (CONSTANT_P (tem))
        {
          rtx label = (tem == const0_rtx || tem == CONST0_RTX (mode))
                      ? if_false_label : if_true_label;
          if (label)
            emit_jump (label);
          return;
        }

      code = GET_CODE (tem);
      mode = GET_MODE (tem);
      op0 = XEXP (tem, 0);
      op1 = XEXP (tem, 1);
      unsignedp = (code == GTU || code == LTU || code == GEU || code == LEU);
    }


  if (! if_true_label)
    {
      dummy_true_label = 1;
      if_true_label = gen_label_rtx ();
    }

  if (GET_MODE_CLASS (mode) == MODE_INT
      && ! can_compare_p (code, mode, ccp_jump))
    {
      switch (code)
        {
        case LTU:
          do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
                                        if_false_label, if_true_label);
          break;

        case LEU:
          do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
                                        if_true_label, if_false_label);
          break;

        case GTU:
          do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
                                        if_false_label, if_true_label);
          break;

        case GEU:
          do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
                                        if_true_label, if_false_label);
          break;

        case LT:
          do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
                                        if_false_label, if_true_label);
          break;

        case LE:
          do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
                                        if_true_label, if_false_label);
          break;

        case GT:
          do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
                                        if_false_label, if_true_label);
          break;

        case GE:
          do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
                                        if_true_label, if_false_label);
          break;

        case EQ:
          do_jump_by_parts_equality_rtx (mode, op0, op1, if_false_label,
                                         if_true_label);
          break;

        case NE:
          do_jump_by_parts_equality_rtx (mode, op0, op1, if_true_label,
                                         if_false_label);
          break;

        default:
          gcc_unreachable ();
        }
    }
  else
    emit_cmp_and_jump_insns (op0, op1, code, size, mode, unsignedp,
                             if_true_label);

  if (if_false_label)
    emit_jump (if_false_label);
  if (dummy_true_label)
    emit_label (if_true_label);
}
Exemplo n.º 4
0
static void
print_value (char *buf, rtx x, int verbose)
{
  char t[BUF_LEN];
  char *cur = buf;

  switch (GET_CODE (x))
    {
    case CONST_INT:
      sprintf (t, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST_DOUBLE:
      if (FLOAT_MODE_P (GET_MODE (x)))
	real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1);
      else
	sprintf (t, "<0x%lx,0x%lx>", (long) CONST_DOUBLE_LOW (x), (long) CONST_DOUBLE_HIGH (x));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST_STRING:
      cur = safe_concat (buf, cur, "\"");
      cur = safe_concat (buf, cur, XSTR (x, 0));
      cur = safe_concat (buf, cur, "\"");
      break;
    case SYMBOL_REF:
      cur = safe_concat (buf, cur, "`");
      cur = safe_concat (buf, cur, XSTR (x, 0));
      cur = safe_concat (buf, cur, "'");
      break;
    case LABEL_REF:
      sprintf (t, "L%d", INSN_UID (XEXP (x, 0)));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "const(");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, ")");
      break;
    case HIGH:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "high(");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, ")");
      break;
    case REG:
      if (REGNO (x) < FIRST_PSEUDO_REGISTER)
	{
	  int c = reg_names[REGNO (x)][0];
	  if (ISDIGIT (c))
	    cur = safe_concat (buf, cur, "%");

	  cur = safe_concat (buf, cur, reg_names[REGNO (x)]);
	}
      else
	{
	  sprintf (t, "r%d", REGNO (x));
	  cur = safe_concat (buf, cur, t);
	}
      break;
    case SUBREG:
      print_value (t, SUBREG_REG (x), verbose);
      cur = safe_concat (buf, cur, t);
      sprintf (t, "#%d", SUBREG_BYTE (x));
      cur = safe_concat (buf, cur, t);
      break;
    case SCRATCH:
      cur = safe_concat (buf, cur, "scratch");
      break;
    case CC0:
      cur = safe_concat (buf, cur, "cc0");
      break;
    case PC:
      cur = safe_concat (buf, cur, "pc");
      break;
    case MEM:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "[");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, "]");
      break;
    default:
      print_exp (t, x, verbose);
      cur = safe_concat (buf, cur, t);
      break;
    }
}				/* print_value */
Exemplo n.º 5
0
void
print_value (char *buf, const_rtx x, int verbose)
{
  char t[BUF_LEN];
  char *cur = buf;

  if (!x)
    {
      safe_concat (buf, buf, "(nil)");
      return;
    }
  switch (GET_CODE (x))
    {
    case CONST_INT:
      sprintf (t, HOST_WIDE_INT_PRINT_HEX,
	       (unsigned HOST_WIDE_INT) INTVAL (x));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST_DOUBLE:
      if (FLOAT_MODE_P (GET_MODE (x)))
	real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1);
      else
	sprintf (t,
		 "<" HOST_WIDE_INT_PRINT_HEX "," HOST_WIDE_INT_PRINT_HEX ">",
		 (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
		 (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST_FIXED:
      fixed_to_decimal (t, CONST_FIXED_VALUE (x), sizeof (t));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST_STRING:
      cur = safe_concat (buf, cur, "\"");
      cur = safe_concat (buf, cur, XSTR (x, 0));
      cur = safe_concat (buf, cur, "\"");
      break;
    case SYMBOL_REF:
      cur = safe_concat (buf, cur, "`");
      cur = safe_concat (buf, cur, XSTR (x, 0));
      cur = safe_concat (buf, cur, "'");
      break;
    case LABEL_REF:
      sprintf (t, "L%d", INSN_UID (XEXP (x, 0)));
      cur = safe_concat (buf, cur, t);
      break;
    case CONST:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "const(");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, ")");
      break;
    case HIGH:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "high(");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, ")");
      break;
    case REG:
      if (REGNO (x) < FIRST_PSEUDO_REGISTER)
	{
	  int c = reg_names[REGNO (x)][0];
	  if (ISDIGIT (c))
	    cur = safe_concat (buf, cur, "%");

	  cur = safe_concat (buf, cur, reg_names[REGNO (x)]);
	}
      else
	{
	  sprintf (t, "r%d", REGNO (x));
	  cur = safe_concat (buf, cur, t);
	}
      if (verbose
#ifdef INSN_SCHEDULING
	  && !current_sched_info
#endif
	 )
	{
	  sprintf (t, ":%s", GET_MODE_NAME (GET_MODE (x)));
	  cur = safe_concat (buf, cur, t);
	}
      break;
    case SUBREG:
      print_value (t, SUBREG_REG (x), verbose);
      cur = safe_concat (buf, cur, t);
      sprintf (t, "#%d", SUBREG_BYTE (x));
      cur = safe_concat (buf, cur, t);
      break;
    case STRICT_LOW_PART:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "strict_low_part(");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, ")");
      break;
    case SCRATCH:
      cur = safe_concat (buf, cur, "scratch");
      break;
    case CC0:
      cur = safe_concat (buf, cur, "cc0");
      break;
    case PC:
      cur = safe_concat (buf, cur, "pc");
      break;
    case MEM:
      print_value (t, XEXP (x, 0), verbose);
      cur = safe_concat (buf, cur, "[");
      cur = safe_concat (buf, cur, t);
      cur = safe_concat (buf, cur, "]");
      break;
    case DEBUG_EXPR:
      sprintf (t, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
      cur = safe_concat (buf, cur, t);
      break;
    default:
      print_exp (t, x, verbose);
      cur = safe_concat (buf, cur, t);
      break;
    }
}				/* print_value */
Exemplo n.º 6
0
void
do_compare_rtx_and_jump (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
			 enum machine_mode mode, rtx size, rtx if_false_label,
			 rtx if_true_label)
{
  enum rtx_code ucode;
  rtx tem;
  int dummy_true_label = 0;

  /* Reverse the comparison if that is safe and we want to jump if it is
     false.  */
  if (! if_true_label && ! FLOAT_MODE_P (mode))
    {
      if_true_label = if_false_label;
      if_false_label = 0;
      code = reverse_condition (code);
    }

  /* If one operand is constant, make it the second one.  Only do this
     if the other operand is not constant as well.  */

  if (swap_commutative_operands_p (op0, op1))
    {
      tem = op0;
      op0 = op1;
      op1 = tem;
      code = swap_condition (code);
    }

  if (flag_force_mem)
    {
      op0 = force_not_mem (op0);
      op1 = force_not_mem (op1);
    }

  do_pending_stack_adjust ();

  ucode = unsignedp ? unsigned_condition (code) : code;
  if ((tem = simplify_relational_operation (ucode, mode, op0, op1)) != 0)
    {
      if (tem == const_true_rtx)
        {
          if (if_true_label)
            emit_jump (if_true_label);
        }
      else
        {
          if (if_false_label)
            emit_jump (if_false_label);
        }
      return;
    }

#if 0
  /* There's no need to do this now that combine.c can eliminate lots of
     sign extensions.  This can be less efficient in certain cases on other
     machines.  */

  /* If this is a signed equality comparison, we can do it as an
     unsigned comparison since zero-extension is cheaper than sign
     extension and comparisons with zero are done as unsigned.  This is
     the case even on machines that can do fast sign extension, since
     zero-extension is easier to combine with other operations than
     sign-extension is.  If we are comparing against a constant, we must
     convert it to what it would look like unsigned.  */
  if ((code == EQ || code == NE) && ! unsignedp
      && GET_MODE_BITSIZE (GET_MODE (op0)) <= HOST_BITS_PER_WIDE_INT)
    {
      if (GET_CODE (op1) == CONST_INT
          && (INTVAL (op1) & GET_MODE_MASK (GET_MODE (op0))) != INTVAL (op1))
        op1 = GEN_INT (INTVAL (op1) & GET_MODE_MASK (GET_MODE (op0)));
      unsignedp = 1;
    }
#endif

  if (! if_true_label)
    {
      dummy_true_label = 1;
      if_true_label = gen_label_rtx ();
    }

  emit_cmp_and_jump_insns (op0, op1, code, size, mode, unsignedp,
                           if_true_label);

  if (if_false_label)
    emit_jump (if_false_label);
  if (dummy_true_label)
    emit_label (if_true_label);
}
Exemplo n.º 7
0
void
do_compare_rtx_and_jump (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
			 machine_mode mode, rtx size,
			 rtx_code_label *if_false_label,
			 rtx_code_label *if_true_label, int prob)
{
  rtx tem;
  rtx_code_label *dummy_label = NULL;

  /* Reverse the comparison if that is safe and we want to jump if it is
     false.  Also convert to the reverse comparison if the target can
     implement it.  */
  if ((! if_true_label
       || ! can_compare_p (code, mode, ccp_jump))
      && (! FLOAT_MODE_P (mode)
	  || code == ORDERED || code == UNORDERED
	  || (! HONOR_NANS (mode) && (code == LTGT || code == UNEQ))
	  || (! HONOR_SNANS (mode) && (code == EQ || code == NE))))
    {
      enum rtx_code rcode;
      if (FLOAT_MODE_P (mode))
        rcode = reverse_condition_maybe_unordered (code);
      else
        rcode = reverse_condition (code);

      /* Canonicalize to UNORDERED for the libcall.  */
      if (can_compare_p (rcode, mode, ccp_jump)
	  || (code == ORDERED && ! can_compare_p (ORDERED, mode, ccp_jump)))
	{
	  std::swap (if_true_label, if_false_label);
	  code = rcode;
	  prob = inv (prob);
	}
    }

  /* If one operand is constant, make it the second one.  Only do this
     if the other operand is not constant as well.  */

  if (swap_commutative_operands_p (op0, op1))
    {
      std::swap (op0, op1);
      code = swap_condition (code);
    }

  do_pending_stack_adjust ();

  code = unsignedp ? unsigned_condition (code) : code;
  if (0 != (tem = simplify_relational_operation (code, mode, VOIDmode,
						 op0, op1)))
    {
      if (CONSTANT_P (tem))
	{
	  rtx_code_label *label = (tem == const0_rtx
				   || tem == CONST0_RTX (mode))
					? if_false_label : if_true_label;
	  if (label)
	    emit_jump (label);
	  return;
	}

      code = GET_CODE (tem);
      mode = GET_MODE (tem);
      op0 = XEXP (tem, 0);
      op1 = XEXP (tem, 1);
      unsignedp = (code == GTU || code == LTU || code == GEU || code == LEU);
    }

  if (! if_true_label)
    dummy_label = if_true_label = gen_label_rtx ();

  if (GET_MODE_CLASS (mode) == MODE_INT
      && ! can_compare_p (code, mode, ccp_jump))
    {
      switch (code)
	{
	case LTU:
	  do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
					if_false_label, if_true_label, prob);
	  break;

	case LEU:
	  do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case GTU:
	  do_jump_by_parts_greater_rtx (mode, 1, op0, op1,
					if_false_label, if_true_label, prob);
	  break;

	case GEU:
	  do_jump_by_parts_greater_rtx (mode, 1, op1, op0,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case LT:
	  do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
					if_false_label, if_true_label, prob);
	  break;

	case LE:
	  do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case GT:
	  do_jump_by_parts_greater_rtx (mode, 0, op0, op1,
					if_false_label, if_true_label, prob);
	  break;

	case GE:
	  do_jump_by_parts_greater_rtx (mode, 0, op1, op0,
					if_true_label, if_false_label,
					inv (prob));
	  break;

	case EQ:
	  do_jump_by_parts_equality_rtx (mode, op0, op1, if_false_label,
					 if_true_label, prob);
	  break;

	case NE:
	  do_jump_by_parts_equality_rtx (mode, op0, op1, if_true_label,
					 if_false_label, inv (prob));
	  break;

	default:
	  gcc_unreachable ();
	}
    }
  else
    {
      if (SCALAR_FLOAT_MODE_P (mode)
	  && ! can_compare_p (code, mode, ccp_jump)
	  && can_compare_p (swap_condition (code), mode, ccp_jump))
	{
	  code = swap_condition (code);
	  std::swap (op0, op1);
	}
      else if (SCALAR_FLOAT_MODE_P (mode)
	       && ! can_compare_p (code, mode, ccp_jump)
	       /* Never split ORDERED and UNORDERED.
		  These must be implemented.  */
	       && (code != ORDERED && code != UNORDERED)
               /* Split a floating-point comparison if
		  we can jump on other conditions...  */
	       && (have_insn_for (COMPARE, mode)
	           /* ... or if there is no libcall for it.  */
	           || code_to_optab (code) == unknown_optab))
        {
	  enum rtx_code first_code;
	  bool and_them = split_comparison (code, mode, &first_code, &code);

	  /* If there are no NaNs, the first comparison should always fall
	     through.  */
	  if (!HONOR_NANS (mode))
	    gcc_assert (first_code == (and_them ? ORDERED : UNORDERED));

	  else
	    {
	      int first_prob = prob;
	      if (first_code == UNORDERED)
		first_prob = REG_BR_PROB_BASE / 100;
	      else if (first_code == ORDERED)
		first_prob = REG_BR_PROB_BASE - REG_BR_PROB_BASE / 100;
	      if (and_them)
		{
		  rtx_code_label *dest_label;
		  /* If we only jump if true, just bypass the second jump.  */
		  if (! if_false_label)
		    {
		      if (! dummy_label)
		        dummy_label = gen_label_rtx ();
		      dest_label = dummy_label;
		    }
		  else
		    dest_label = if_false_label;
                  do_compare_rtx_and_jump (op0, op1, first_code, unsignedp, mode,
					   size, dest_label, NULL, first_prob);
		}
              else
                do_compare_rtx_and_jump (op0, op1, first_code, unsignedp, mode,
					 size, NULL, if_true_label, first_prob);
	    }
	}

      emit_cmp_and_jump_insns (op0, op1, code, size, mode, unsignedp,
			       if_true_label, prob);
    }

  if (if_false_label)
    emit_jump (if_false_label);
  if (dummy_label)
    emit_label (dummy_label);
}
Exemplo n.º 8
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;
    }
}
Exemplo n.º 9
0
void
do_compare_rtx_and_jump (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
			 enum machine_mode mode, rtx size, rtx if_false_label,
			 rtx if_true_label)
{
  rtx tem;
  int dummy_true_label = 0;

  /* Reverse the comparison if that is safe and we want to jump if it is
     false.  */
  if (! if_true_label && ! FLOAT_MODE_P (mode))
    {
      if_true_label = if_false_label;
      if_false_label = 0;
      code = reverse_condition (code);
    }

  /* If one operand is constant, make it the second one.  Only do this
     if the other operand is not constant as well.  */

  if (swap_commutative_operands_p (op0, op1))
    {
      tem = op0;
      op0 = op1;
      op1 = tem;
      code = swap_condition (code);
    }

  do_pending_stack_adjust ();

  code = unsignedp ? unsigned_condition (code) : code;
  if (0 != (tem = simplify_relational_operation (code, mode, VOIDmode,
						 op0, op1)))
    {
      if (CONSTANT_P (tem))
	{
	  rtx label = (tem == const0_rtx || tem == CONST0_RTX (mode))
		      ? if_false_label : if_true_label;
	  if (label)
	    emit_jump (label);
	  return;
	}

      code = GET_CODE (tem);
      mode = GET_MODE (tem);
      op0 = XEXP (tem, 0);
      op1 = XEXP (tem, 1);
      unsignedp = (code == GTU || code == LTU || code == GEU || code == LEU);
    }

  if (! if_true_label)
    {
      dummy_true_label = 1;
      if_true_label = gen_label_rtx ();
    }

  emit_cmp_and_jump_insns (op0, op1, code, size, mode, unsignedp,
                           if_true_label);

  if (if_false_label)
    emit_jump (if_false_label);
  if (dummy_true_label)
    emit_label (if_true_label);
}
Exemplo n.º 10
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;
}