[thirdparty/gcc.git] / gcc / print-rtl.c

/* Print RTL for GNU C Compiler.
   Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999, 2000
   Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


#include "config.h"
#include "system.h"
#include "rtl.h"
#include "real.h"
#include "flags.h"
#include "basic-block.h"


/* How to print out a register name.
   We don't use PRINT_REG because some definitions of PRINT_REG
   don't work here.  */
#ifndef DEBUG_PRINT_REG
#define DEBUG_PRINT_REG(RTX, CODE, FILE) \
  fprintf ((FILE), "%d %s", REGNO (RTX), reg_names[REGNO (RTX)])
#endif

/* Array containing all of the register names */

#ifdef DEBUG_REGISTER_NAMES
static const char * const reg_names[] = DEBUG_REGISTER_NAMES;
#else
static const char * const reg_names[] = REGISTER_NAMES;
#endif

static FILE *outfile;

static const char xspaces[] = "                                                                                                                                                                ";

static int sawclose = 0;

static int indent;

static void print_rtx		PARAMS ((rtx));

/* Nonzero means suppress output of instruction numbers and line number
   notes in debugging dumps.
   This must be defined here so that programs like gencodes can be linked.  */
int flag_dump_unnumbered = 0;

/* Nonzero if we are dumping graphical description.  */
int dump_for_graph;

/* Print IN_RTX onto OUTFILE.  This is the recursive part of printing.  */

static void
print_rtx (in_rtx)
     register rtx in_rtx;
{
  register int i = 0;
  register int j;
  register const char *format_ptr;
  register int is_insn;

  if (sawclose)
    {
      fprintf (outfile, "\n%s",
	       (xspaces + (sizeof xspaces - 1 - indent * 2)));
      sawclose = 0;
    }

  if (in_rtx == 0)
    {
      fputs ("(nil)", outfile);
      sawclose = 1;
      return;
    }

  is_insn = (GET_RTX_CLASS (GET_CODE (in_rtx)) == 'i');

  /* 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 || GET_CODE (in_rtx) == NOTE || GET_CODE (in_rtx) == CODE_LABEL
       || GET_CODE (in_rtx) == BARRIER))
    {
      i = 3;
      indent = 0;
    }
  else
    {
      /* print name of expression code */
      fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));

      if (in_rtx->in_struct)
	fputs ("/s", outfile);

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

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

      if (in_rtx->integrated)
	fputs ("/i", outfile);

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

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

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

      if (GET_MODE (in_rtx) != VOIDmode)
	{
	  /* 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)));
	  else
	    fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
	}
    }

  /* 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++)
      {
      case 'S':
      case 's':
	if (XSTR (in_rtx, i) == 0)
	  fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
	else
	  {
	    if (dump_for_graph)
	      fprintf (outfile, " (\\\"%s\\\")", XSTR (in_rtx, i));
	    else
	      fprintf (outfile, " (\"%s\")", XSTR (in_rtx, i));
	  }
	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 == 3 && GET_CODE (in_rtx) == NOTE)
	  {
	    if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_BEG
		|| NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_END)
	      {
		fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
		sawclose = 1;
	      }
	    else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_BEG
		     || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_END)
	      {
		fprintf (outfile, " ");
		fprintf (outfile, HOST_PTR_PRINTF, 
			 (char *) NOTE_BLOCK (in_rtx));
		sawclose = 1;
	      }
	    else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_RANGE_START
		     || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_RANGE_END
		     || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_LIVE)
	      {
		indent += 2;
		if (!sawclose)
		  fprintf (outfile, " ");
		print_rtx (NOTE_RANGE_INFO (in_rtx));
		indent -= 2;
	      }
	    else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BASIC_BLOCK)
	      {
		basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
		fprintf (outfile, " [bb %d]", bb->index);
	      }
	    else
	      {
		const char * const str = X0STR (in_rtx, i);
		if (str == 0)
		  fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
		else
		  {
		    if (dump_for_graph)
		      fprintf (outfile, " (\\\"%s\\\")", str);
		    else
		      fprintf (outfile, " (\"%s\")", str);
		  }
	      }
	  }
	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",
		     (xspaces + (sizeof xspaces - 1 - 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",
		   (xspaces + (sizeof xspaces - 1 - indent * 2)));

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

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

      case 'i':
	{
	  register int value = XINT (in_rtx, i);
	  const char *name;

	  if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
	    {
	      fputc (' ', outfile);
	      DEBUG_PRINT_REG (in_rtx, 0, outfile);
	    }
	  else if (GET_CODE (in_rtx) == REG && 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 if (flag_dump_unnumbered
		   && (is_insn || GET_CODE (in_rtx) == NOTE))
	    fputc ('#', outfile);
	  else
	    fprintf (outfile, " %d", value);

	  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) <= 0)
	  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
		&& subc != CODE_LABEL)
	      goto do_e;

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

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

      case 't':
	putc (' ', outfile);
	fprintf (outfile, HOST_PTR_PRINTF, (char *) XTREE (in_rtx, i));
	break;

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

      default:
	fprintf (stderr,
		 "switch format wrong in rtl.print_rtx(). format was: %c.\n",
		 format_ptr[-1]);
	abort ();
      }

  if (GET_CODE (in_rtx) == MEM)
    fprintf (outfile, " %d", MEM_ALIAS_SET (in_rtx));

#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && LONG_DOUBLE_TYPE_SIZE == 64
  if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
    {
      double val;
      REAL_VALUE_FROM_CONST_DOUBLE (val, in_rtx);
      fprintf (outfile, " [%.16g]", val);
    }
#endif

  if (GET_CODE (in_rtx) == CODE_LABEL)
    {
      fprintf (outfile, " [num uses: %d]", LABEL_NUSES (in_rtx));
      if (LABEL_ALTERNATE_NAME (in_rtx))
        fprintf (outfile, " [alternate name: %s]", LABEL_ALTERNATE_NAME (in_rtx));
    }
  
  if (dump_for_graph
      && (is_insn || GET_CODE (in_rtx) == NOTE
	  || GET_CODE (in_rtx) == CODE_LABEL || GET_CODE (in_rtx) == BARRIER))
    sawclose = 0;
  else
    {
      fputc (')', outfile);
      sawclose = 1;
    }
}

/* Print an rtx on the current line of FILE.  Initially indent IND
   characters.  */

void
print_inline_rtx (outf, x, ind)
     FILE *outf;
     rtx x;
     int ind;
{
  int oldsaw = sawclose;
  int oldindent = indent;

  sawclose = 0;
  indent = ind;
  outfile = outf;
  print_rtx (x);
  sawclose = oldsaw;
  indent = oldindent;
}

/* Call this function from the debugger to see what X looks like.  */

void
debug_rtx (x)
     rtx x;
{
  outfile = stderr;
  print_rtx (x);
  fprintf (stderr, "\n");
}

/* Count of rtx's to print with debug_rtx_list.
   This global exists because gdb user defined commands have no arguments.  */

int debug_rtx_count = 0;	/* 0 is treated as equivalent to 1 */

/* Call this function to print list from X on.

   N is a count of the rtx's to print. Positive values print from the specified
   rtx on.  Negative values print a window around the rtx.
   EG: -5 prints 2 rtx's on either side (in addition to the specified rtx).  */

void
debug_rtx_list (x, n)
     rtx x;
     int n;
{
  int i,count;
  rtx insn;

  count = n == 0 ? 1 : n < 0 ? -n : n;

  /* If we are printing a window, back up to the start.  */

  if (n < 0)
    for (i = count / 2; i > 0; i--)
      {
	if (PREV_INSN (x) == 0)
	  break;
	x = PREV_INSN (x);
      }

  for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
    debug_rtx (insn);
}

/* Call this function to search an rtx list to find one with insn uid UID,
   and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
   The found insn is returned to enable further debugging analysis.  */

rtx
debug_rtx_find (x, uid)
     rtx x;
     int uid;
{
  while (x != 0 && INSN_UID (x) != uid)
    x = NEXT_INSN (x);
  if (x != 0)
    {
      debug_rtx_list (x, debug_rtx_count);
      return x;
    }
  else
    {
      fprintf (stderr, "insn uid %d not found\n", uid);
      return 0;
    }
}

/* External entry point for printing a chain of insns
   starting with RTX_FIRST onto file OUTF.
   A blank line separates insns.

   If RTX_FIRST is not an insn, then it alone is printed, with no newline.  */

void
print_rtl (outf, rtx_first)
     FILE *outf;
     rtx rtx_first;
{
  register rtx tmp_rtx;

  outfile = outf;
  sawclose = 0;

  if (rtx_first == 0)
    fputs ("(nil)\n", outf);
  else
    switch (GET_CODE (rtx_first))
      {
      case INSN:
      case JUMP_INSN:
      case CALL_INSN:
      case NOTE:
      case CODE_LABEL:
      case BARRIER:
	for (tmp_rtx = rtx_first; NULL != tmp_rtx; tmp_rtx = NEXT_INSN (tmp_rtx))
	  {
	    if (! flag_dump_unnumbered
		|| GET_CODE (tmp_rtx) != NOTE
		|| NOTE_LINE_NUMBER (tmp_rtx) < 0)
	      {
		print_rtx (tmp_rtx);
		fprintf (outfile, "\n");
	      }
	  }
	break;

      default:
	print_rtx (rtx_first);
      }
}

/* Like print_rtx, except specify a file.  */
/* Return nonzero if we actually printed anything.  */

int
print_rtl_single (outf, x)
     FILE *outf;
     rtx x;
{
  outfile = outf;
  sawclose = 0;
  if (! flag_dump_unnumbered
      || GET_CODE (x) != NOTE || NOTE_LINE_NUMBER (x) < 0)
    {
      print_rtx (x);
      putc ('\n', outf);
      return 1;
    }
  return 0;
}
Commit	Line	Data
e1a79915	1	/* Print RTL for GNU C Compiler.
9311a396	2	Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999, 2000
c5c76735	3	Free Software Foundation, Inc.
e1a79915 RS	4
	5	This file is part of GNU CC.
	6
	7	GNU CC is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2, or (at your option)
	10	any later version.
	11
	12	GNU CC is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with GNU CC; see the file COPYING. If not, write to
e99215a3 RK	19	the Free Software Foundation, 59 Temple Place - Suite 330,
e99215a3 RK	20	Boston, MA 02111-1307, USA. */
e1a79915 RS	21
	22
	23	#include "config.h"
670ee920	24	#include "system.h"
e1a79915	25	#include "rtl.h"
800d5c9e	26	#include "real.h"
b707b450	27	#include "flags.h"
e881bb1b	28	#include "basic-block.h"
e1a79915 RS	29
e1a79915 RS	30
cf99a734 RS	31	/* How to print out a register name.
	32	We don't use PRINT_REG because some definitions of PRINT_REG
	33	don't work here. */
	34	#ifndef DEBUG_PRINT_REG
	35	#define DEBUG_PRINT_REG(RTX, CODE, FILE) \
	36	fprintf ((FILE), "%d %s", REGNO (RTX), reg_names[REGNO (RTX)])
	37	#endif
	38
	39	/* Array containing all of the register names */
	40
	41	#ifdef DEBUG_REGISTER_NAMES
6f7d635c	42	static const char * const reg_names[] = DEBUG_REGISTER_NAMES;
cf99a734	43	#else
6f7d635c	44	static const char * const reg_names[] = REGISTER_NAMES;
cf99a734 RS	45	#endif
cf99a734 RS	46
e1a79915 RS	47	static FILE *outfile;
e1a79915 RS	48
2778b98d	49	static const char xspaces[] = " ";
e1a79915 RS	50
	51	static int sawclose = 0;
	52
1d79197a RK	53	static int indent;
1d79197a RK	54
957e4763	55	static void print_rtx PARAMS ((rtx));
5edc9230	56
b707b450 R	57	/* Nonzero means suppress output of instruction numbers and line number
	58	notes in debugging dumps.
	59	This must be defined here so that programs like gencodes can be linked. */
9ec36da5	60	int flag_dump_unnumbered = 0;
b707b450	61
735a0e33 UD	62	/* Nonzero if we are dumping graphical description. */
	63	int dump_for_graph;
	64
e1a79915 RS	65	/* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
	66
	67	static void
	68	print_rtx (in_rtx)
	69	register rtx in_rtx;
	70	{
735a0e33 UD	71	register int i = 0;
735a0e33 UD	72	register int j;
6f7d635c	73	register const char *format_ptr;
e1a79915 RS	74	register int is_insn;
	75
	76	if (sawclose)
	77	{
	78	fprintf (outfile, "\n%s",
2778b98d	79	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915 RS	80	sawclose = 0;
	81	}
	82
	83	if (in_rtx == 0)
	84	{
735a0e33	85	fputs ("(nil)", outfile);
e1a79915 RS	86	sawclose = 1;
	87	return;
	88	}
	89
735a0e33 UD	90	is_insn = (GET_RTX_CLASS (GET_CODE (in_rtx)) == 'i');
	91
	92	/* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
	93	in separate nodes and therefore have to handle them special here. */
	94	if (dump_for_graph &&
	95	(is_insn \|\| GET_CODE (in_rtx) == NOTE \|\| GET_CODE (in_rtx) == CODE_LABEL
	96	\|\| GET_CODE (in_rtx) == BARRIER))
	97	{
	98	i = 3;
	99	indent = 0;
	100	}
	101	else
	102	{
	103	/* print name of expression code */
	104	fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
e1a79915	105
735a0e33 UD	106	if (in_rtx->in_struct)
735a0e33 UD	107	fputs ("/s", outfile);
e1a79915	108
735a0e33 UD	109	if (in_rtx->volatil)
735a0e33 UD	110	fputs ("/v", outfile);
e1a79915	111
735a0e33 UD	112	if (in_rtx->unchanging)
735a0e33 UD	113	fputs ("/u", outfile);
e1a79915	114
735a0e33 UD	115	if (in_rtx->integrated)
735a0e33 UD	116	fputs ("/i", outfile);
e1a79915	117
c6df88cb MM	118	if (in_rtx->frame_related)
	119	fputs ("/f", outfile);
	120
5a25c64c JL	121	if (in_rtx->jump)
	122	fputs ("/j", outfile);
	123
	124	if (in_rtx->call)
	125	fputs ("/c", outfile);
	126
735a0e33 UD	127	if (GET_MODE (in_rtx) != VOIDmode)
	128	{
	129	/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
	130	if (GET_CODE (in_rtx) == EXPR_LIST \|\| GET_CODE (in_rtx) == INSN_LIST)
	131	fprintf (outfile, ":%s", GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
	132	else
	133	fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
	134	}
e1a79915 RS	135	}
e1a79915 RS	136
735a0e33 UD	137	/* Get the format string and skip the first elements if we have handled
	138	them already. */
	139	format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
e1a79915	140
735a0e33	141	for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
e1a79915 RS	142	switch (*format_ptr++)
	143	{
	144	case 'S':
	145	case 's':
	146	if (XSTR (in_rtx, i) == 0)
735a0e33	147	fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
e1a79915	148	else
913d0833 KG	149	{
	150	if (dump_for_graph)
	151	fprintf (outfile, " (\\\"%s\\\")", XSTR (in_rtx, i));
	152	else
	153	fprintf (outfile, " (\"%s\")", XSTR (in_rtx, i));
	154	}
e1a79915 RS	155	sawclose = 1;
	156	break;
	157
8f985ec4 ZW	158	/* 0 indicates a field for internal use that should not be printed.
	159	An exception is the third field of a NOTE, where it indicates
	160	that the field has several different valid contents. */
e1a79915	161	case '0':
8f985ec4 ZW	162	if (i == 3 && GET_CODE (in_rtx) == NOTE)
	163	{
	164	if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_BEG
bf43101e MM	165	\|\| NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_END)
	166	{
	167	fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
	168	sawclose = 1;
	169	}
	170	else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_BEG
	171	\|\| NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_END)
8f985ec4	172	{
1a4450c7 MM	173	fprintf (outfile, " ");
	174	fprintf (outfile, HOST_PTR_PRINTF,
	175	(char *) NOTE_BLOCK (in_rtx));
8f985ec4 ZW	176	sawclose = 1;
	177	}
	178	else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_RANGE_START
	179	\|\| NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_RANGE_END
	180	\|\| NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_LIVE)
	181	{
	182	indent += 2;
	183	if (!sawclose)
	184	fprintf (outfile, " ");
	185	print_rtx (NOTE_RANGE_INFO (in_rtx));
	186	indent -= 2;
	187	}
	188	else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BASIC_BLOCK)
	189	{
	190	basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
	191	fprintf (outfile, " [bb %d]", bb->index);
	192	}
	193	else
	194	{
913d0833	195	const char * const str = X0STR (in_rtx, i);
8f985ec4 ZW	196	if (str == 0)
	197	fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
	198	else
913d0833 KG	199	{
	200	if (dump_for_graph)
	201	fprintf (outfile, " (\\\"%s\\\")", str);
	202	else
	203	fprintf (outfile, " (\"%s\")", str);
	204	}
8f985ec4 ZW	205	}
8f985ec4 ZW	206	}
e1a79915 RS	207	break;
	208
	209	case 'e':
bcdaba58	210	do_e:
e1a79915 RS	211	indent += 2;
	212	if (!sawclose)
	213	fprintf (outfile, " ");
	214	print_rtx (XEXP (in_rtx, i));
	215	indent -= 2;
	216	break;
	217
	218	case 'E':
	219	case 'V':
	220	indent += 2;
	221	if (sawclose)
	222	{
	223	fprintf (outfile, "\n%s",
2778b98d	224	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915 RS	225	sawclose = 0;
e1a79915 RS	226	}
735a0e33	227	fputs ("[ ", outfile);
e1a79915 RS	228	if (NULL != XVEC (in_rtx, i))
	229	{
	230	indent += 2;
	231	if (XVECLEN (in_rtx, i))
	232	sawclose = 1;
	233
	234	for (j = 0; j < XVECLEN (in_rtx, i); j++)
	235	print_rtx (XVECEXP (in_rtx, i, j));
	236
	237	indent -= 2;
	238	}
	239	if (sawclose)
	240	fprintf (outfile, "\n%s",
2778b98d	241	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915	242
735a0e33	243	fputs ("] ", outfile);
e1a79915 RS	244	sawclose = 1;
	245	indent -= 2;
	246	break;
	247
5bf665df	248	case 'w':
734de8c8 RK	249	fprintf (outfile, " ");
734de8c8 RK	250	fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
7b028dba NC	251	fprintf (outfile, " [");
	252	fprintf (outfile, HOST_WIDE_INT_PRINT_HEX, XWINT (in_rtx, i));
	253	fprintf (outfile, "]");
5bf665df RK	254	break;
5bf665df RK	255
e1a79915	256	case 'i':
cf99a734 RS	257	{
cf99a734 RS	258	register int value = XINT (in_rtx, i);
a995e389	259	const char *name;
cf99a734 RS	260
	261	if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
	262	{
	263	fputc (' ', outfile);
	264	DEBUG_PRINT_REG (in_rtx, 0, outfile);
	265	}
a6c7a886 MM	266	else if (GET_CODE (in_rtx) == REG && value <= LAST_VIRTUAL_REGISTER)
	267	{
	268	if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
	269	fprintf (outfile, " %d virtual-incoming-args", value);
	270	else if (value == VIRTUAL_STACK_VARS_REGNUM)
	271	fprintf (outfile, " %d virtual-stack-vars", value);
	272	else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
	273	fprintf (outfile, " %d virtual-stack-dynamic", value);
	274	else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
	275	fprintf (outfile, " %d virtual-outgoing-args", value);
	276	else if (value == VIRTUAL_CFA_REGNUM)
	277	fprintf (outfile, " %d virtual-cfa", value);
	278	else
	279	fprintf (outfile, " %d virtual-reg-%d", value,
	280	value-FIRST_VIRTUAL_REGISTER);
	281	}
9ec36da5 JL	282	else if (flag_dump_unnumbered
9ec36da5 JL	283	&& (is_insn \|\| GET_CODE (in_rtx) == NOTE))
735a0e33	284	fputc ('#', outfile);
cf99a734 RS	285	else
cf99a734 RS	286	fprintf (outfile, " %d", value);
a995e389 RH	287
	288	if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
	289	&& XINT (in_rtx, i) >= 0
	290	&& (name = get_insn_name (XINT (in_rtx, i))) != NULL)
	291	fprintf (outfile, " {%s}", name);
	292	sawclose = 0;
cf99a734	293	}
e1a79915 RS	294	break;
	295
	296	/* Print NOTE_INSN names rather than integer codes. */
	297
	298	case 'n':
	299	if (XINT (in_rtx, i) <= 0)
	300	fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
	301	else
	302	fprintf (outfile, " %d", XINT (in_rtx, i));
	303	sawclose = 0;
	304	break;
	305
	306	case 'u':
	307	if (XEXP (in_rtx, i) != NULL)
9ec36da5	308	{
556ffcc5 RH	309	rtx sub = XEXP (in_rtx, i);
	310	enum rtx_code subc = GET_CODE (sub);
	311
d5e3e85b RH	312	if (GET_CODE (in_rtx) == LABEL_REF
d5e3e85b RH	313	&& subc != CODE_LABEL)
bcdaba58 RH	314	goto do_e;
bcdaba58 RH	315
9ec36da5	316	if (flag_dump_unnumbered)
735a0e33	317	fputc ('#', outfile);
9ec36da5	318	else
556ffcc5	319	fprintf (outfile, " %d", INSN_UID (sub));
9ec36da5	320	}
e1a79915	321	else
d5e3e85b	322	fputs (" 0", outfile);
d64be5ec CH	323	sawclose = 0;
	324	break;
	325
0dfa1860 MM	326	case 'b':
0dfa1860 MM	327	if (XBITMAP (in_rtx, i) == NULL)
735a0e33	328	fputs (" {null}", outfile);
0dfa1860 MM	329	else
	330	bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
	331	sawclose = 0;
	332	break;
	333
	334	case 't':
	335	putc (' ', outfile);
c6b0465b	336	fprintf (outfile, HOST_PTR_PRINTF, (char *) XTREE (in_rtx, i));
0dfa1860 MM	337	break;
0dfa1860 MM	338
d64be5ec	339	case '*':
735a0e33	340	fputs (" Unknown", outfile);
e1a79915 RS	341	sawclose = 0;
	342	break;
	343
	344	default:
	345	fprintf (stderr,
	346	"switch format wrong in rtl.print_rtx(). format was: %c.\n",
	347	format_ptr[-1]);
	348	abort ();
	349	}
	350
5a0a1a66 BS	351	if (GET_CODE (in_rtx) == MEM)
	352	fprintf (outfile, " %d", MEM_ALIAS_SET (in_rtx));
	353
61632854	354	#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && LONG_DOUBLE_TYPE_SIZE == 64
800d5c9e RH	355	if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
800d5c9e RH	356	{
5dd2add6	357	double val;
800d5c9e RH	358	REAL_VALUE_FROM_CONST_DOUBLE (val, in_rtx);
	359	fprintf (outfile, " [%.16g]", val);
	360	}
	361	#endif
	362
75c437de	363	if (GET_CODE (in_rtx) == CODE_LABEL)
8cd0faaf CM	364	{
	365	fprintf (outfile, " [num uses: %d]", LABEL_NUSES (in_rtx));
	366	if (LABEL_ALTERNATE_NAME (in_rtx))
	367	fprintf (outfile, " [alternate name: %s]", LABEL_ALTERNATE_NAME (in_rtx));
	368	}
75c437de	369
735a0e33 UD	370	if (dump_for_graph
	371	&& (is_insn \|\| GET_CODE (in_rtx) == NOTE
	372	\|\| GET_CODE (in_rtx) == CODE_LABEL \|\| GET_CODE (in_rtx) == BARRIER))
	373	sawclose = 0;
	374	else
	375	{
	376	fputc (')', outfile);
	377	sawclose = 1;
	378	}
e1a79915 RS	379	}
e1a79915 RS	380
1d79197a RK	381	/* Print an rtx on the current line of FILE. Initially indent IND
	382	characters. */
	383
	384	void
	385	print_inline_rtx (outf, x, ind)
	386	FILE *outf;
	387	rtx x;
9870475c	388	int ind;
1d79197a	389	{
956d6950 JL	390	int oldsaw = sawclose;
	391	int oldindent = indent;
	392
1d79197a RK	393	sawclose = 0;
	394	indent = ind;
	395	outfile = outf;
	396	print_rtx (x);
956d6950 JL	397	sawclose = oldsaw;
956d6950 JL	398	indent = oldindent;
1d79197a RK	399	}
1d79197a RK	400
e1a79915 RS	401	/* Call this function from the debugger to see what X looks like. */
	402
	403	void
	404	debug_rtx (x)
	405	rtx x;
	406	{
	407	outfile = stderr;
	408	print_rtx (x);
	409	fprintf (stderr, "\n");
	410	}
	411
716f003f DE	412	/* Count of rtx's to print with debug_rtx_list.
	413	This global exists because gdb user defined commands have no arguments. */
	414
	415	int debug_rtx_count = 0; /* 0 is treated as equivalent to 1 */
	416
	417	/* Call this function to print list from X on.
	418
	419	N is a count of the rtx's to print. Positive values print from the specified
	420	rtx on. Negative values print a window around the rtx.
	421	EG: -5 prints 2 rtx's on either side (in addition to the specified rtx). */
	422
	423	void
	424	debug_rtx_list (x, n)
	425	rtx x;
	426	int n;
	427	{
	428	int i,count;
	429	rtx insn;
	430
	431	count = n == 0 ? 1 : n < 0 ? -n : n;
	432
	433	/* If we are printing a window, back up to the start. */
	434
	435	if (n < 0)
	436	for (i = count / 2; i > 0; i--)
	437	{
	438	if (PREV_INSN (x) == 0)
	439	break;
	440	x = PREV_INSN (x);
	441	}
	442
	443	for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
	444	debug_rtx (insn);
	445	}
	446
	447	/* Call this function to search an rtx list to find one with insn uid UID,
	448	and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
	449	The found insn is returned to enable further debugging analysis. */
	450
	451	rtx
1d79197a	452	debug_rtx_find (x, uid)
716f003f DE	453	rtx x;
	454	int uid;
	455	{
	456	while (x != 0 && INSN_UID (x) != uid)
	457	x = NEXT_INSN (x);
	458	if (x != 0)
	459	{
	460	debug_rtx_list (x, debug_rtx_count);
	461	return x;
	462	}
	463	else
	464	{
	465	fprintf (stderr, "insn uid %d not found\n", uid);
	466	return 0;
	467	}
	468	}
	469
e1a79915 RS	470	/* External entry point for printing a chain of insns
	471	starting with RTX_FIRST onto file OUTF.
	472	A blank line separates insns.
	473
	474	If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
	475
	476	void
	477	print_rtl (outf, rtx_first)
	478	FILE *outf;
	479	rtx rtx_first;
	480	{
	481	register rtx tmp_rtx;
	482
	483	outfile = outf;
	484	sawclose = 0;
	485
	486	if (rtx_first == 0)
735a0e33	487	fputs ("(nil)\n", outf);
e1a79915 RS	488	else
	489	switch (GET_CODE (rtx_first))
	490	{
	491	case INSN:
	492	case JUMP_INSN:
	493	case CALL_INSN:
	494	case NOTE:
	495	case CODE_LABEL:
	496	case BARRIER:
	497	for (tmp_rtx = rtx_first; NULL != tmp_rtx; tmp_rtx = NEXT_INSN (tmp_rtx))
	498	{
9ec36da5 JL	499	if (! flag_dump_unnumbered
	500	\|\| GET_CODE (tmp_rtx) != NOTE
	501	\|\| NOTE_LINE_NUMBER (tmp_rtx) < 0)
	502	{
	503	print_rtx (tmp_rtx);
	504	fprintf (outfile, "\n");
	505	}
e1a79915 RS	506	}
	507	break;
	508
	509	default:
	510	print_rtx (rtx_first);
	511	}
	512	}
3e28fe44 MM	513
3e28fe44 MM	514	/* Like print_rtx, except specify a file. */
b707b450	515	/* Return nonzero if we actually printed anything. */
3e28fe44	516
b707b450	517	int
3e28fe44 MM	518	print_rtl_single (outf, x)
	519	FILE *outf;
	520	rtx x;
	521	{
	522	outfile = outf;
	523	sawclose = 0;
9ec36da5 JL	524	if (! flag_dump_unnumbered
	525	\|\| GET_CODE (x) != NOTE \|\| NOTE_LINE_NUMBER (x) < 0)
	526	{
	527	print_rtx (x);
	528	putc ('\n', outf);
b707b450	529	return 1;
9ec36da5	530	}
b707b450	531	return 0;
3e28fe44	532	}