[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;
  rtx tem;

  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)
	  {
	    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:
		fprintf (outfile, " ");
		if (flag_dump_unnumbered)
		  fprintf (outfile, "#");
		else
		  fprintf (outfile, HOST_PTR_PRINTF, 
			   (char *) NOTE_BLOCK (in_rtx));
		sawclose = 1;
		break;

	      case NOTE_INSN_RANGE_BEG:
	      case NOTE_INSN_RANGE_END:
	      case NOTE_INSN_LIVE:
		indent += 2;
		if (!sawclose)
		  fprintf (outfile, " ");
		print_rtx (NOTE_RANGE_INFO (in_rtx));
		indent -= 2;
		break;

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

	      case NOTE_INSN_EXPECTED_VALUE:
		indent += 2;
		if (!sawclose)
		  fprintf (outfile, " ");
		print_rtx (NOTE_EXPECTED_VALUE (in_rtx));
		indent -= 2;
		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",
		     (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 && MAX_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, " [%d uses]", LABEL_NUSES (in_rtx));
      if (LABEL_ALTERNATE_NAME (in_rtx))
        fprintf (outfile, " [alternate name: %s]",
		 LABEL_ALTERNATE_NAME (in_rtx));
    }
  
  if (GET_CODE (in_rtx) == CALL_PLACEHOLDER)
    for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
      if (GET_CODE (tem) == CALL_INSN)
	{
	  fprintf (outfile, " ");
	  print_rtx (tem);
	  break;
	}

  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 print an rtx list from START to END inclusive.  */

void
debug_rtx_range (start, end)
     rtx start, end;
{
  while (1)
    {
      debug_rtx (start);
      if (!start || start == end)
	break;
      start = NEXT_INSN (start);
    }
}

/* 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; tmp_rtx != 0; 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	74	register int is_insn;
c3c63936	75	rtx tem;
e1a79915 RS	76
	77	if (sawclose)
	78	{
	79	fprintf (outfile, "\n%s",
2778b98d	80	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915 RS	81	sawclose = 0;
	82	}
	83
	84	if (in_rtx == 0)
	85	{
735a0e33	86	fputs ("(nil)", outfile);
e1a79915 RS	87	sawclose = 1;
	88	return;
	89	}
	90
735a0e33 UD	91	is_insn = (GET_RTX_CLASS (GET_CODE (in_rtx)) == 'i');
	92
	93	/* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
	94	in separate nodes and therefore have to handle them special here. */
	95	if (dump_for_graph &&
	96	(is_insn \|\| GET_CODE (in_rtx) == NOTE \|\| GET_CODE (in_rtx) == CODE_LABEL
	97	\|\| GET_CODE (in_rtx) == BARRIER))
	98	{
	99	i = 3;
	100	indent = 0;
	101	}
	102	else
	103	{
	104	/* print name of expression code */
	105	fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
e1a79915	106
735a0e33 UD	107	if (in_rtx->in_struct)
735a0e33 UD	108	fputs ("/s", outfile);
e1a79915	109
735a0e33 UD	110	if (in_rtx->volatil)
735a0e33 UD	111	fputs ("/v", outfile);
e1a79915	112
735a0e33 UD	113	if (in_rtx->unchanging)
735a0e33 UD	114	fputs ("/u", outfile);
e1a79915	115
735a0e33 UD	116	if (in_rtx->integrated)
735a0e33 UD	117	fputs ("/i", outfile);
e1a79915	118
c6df88cb MM	119	if (in_rtx->frame_related)
	120	fputs ("/f", outfile);
	121
5a25c64c JL	122	if (in_rtx->jump)
	123	fputs ("/j", outfile);
	124
	125	if (in_rtx->call)
	126	fputs ("/c", outfile);
	127
735a0e33 UD	128	if (GET_MODE (in_rtx) != VOIDmode)
	129	{
	130	/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
	131	if (GET_CODE (in_rtx) == EXPR_LIST \|\| GET_CODE (in_rtx) == INSN_LIST)
	132	fprintf (outfile, ":%s", GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
	133	else
	134	fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
	135	}
e1a79915 RS	136	}
e1a79915 RS	137
735a0e33 UD	138	/* Get the format string and skip the first elements if we have handled
	139	them already. */
	140	format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
e1a79915	141
735a0e33	142	for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
e1a79915 RS	143	switch (*format_ptr++)
	144	{
	145	case 'S':
	146	case 's':
	147	if (XSTR (in_rtx, i) == 0)
735a0e33	148	fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
e1a79915	149	else
913d0833 KG	150	{
	151	if (dump_for_graph)
	152	fprintf (outfile, " (\\\"%s\\\")", XSTR (in_rtx, i));
	153	else
	154	fprintf (outfile, " (\"%s\")", XSTR (in_rtx, i));
	155	}
e1a79915 RS	156	sawclose = 1;
	157	break;
	158
8f985ec4 ZW	159	/* 0 indicates a field for internal use that should not be printed.
	160	An exception is the third field of a NOTE, where it indicates
	161	that the field has several different valid contents. */
e1a79915	162	case '0':
8f985ec4 ZW	163	if (i == 3 && GET_CODE (in_rtx) == NOTE)
8f985ec4 ZW	164	{
994a57cd	165	switch (NOTE_LINE_NUMBER (in_rtx))
bf43101e	166	{
994a57cd RH	167	case NOTE_INSN_EH_REGION_BEG:
994a57cd RH	168	case NOTE_INSN_EH_REGION_END:
f76ca83c GK	169	if (flag_dump_unnumbered)
	170	fprintf (outfile, " #");
	171	else
	172	fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
bf43101e	173	sawclose = 1;
994a57cd RH	174	break;
	175
	176	case NOTE_INSN_BLOCK_BEG:
	177	case NOTE_INSN_BLOCK_END:
1a4450c7	178	fprintf (outfile, " ");
f76ca83c GK	179	if (flag_dump_unnumbered)
	180	fprintf (outfile, "#");
	181	else
	182	fprintf (outfile, HOST_PTR_PRINTF,
	183	(char *) NOTE_BLOCK (in_rtx));
8f985ec4	184	sawclose = 1;
994a57cd RH	185	break;
994a57cd RH	186
b3b42a4d	187	case NOTE_INSN_RANGE_BEG:
994a57cd RH	188	case NOTE_INSN_RANGE_END:
994a57cd RH	189	case NOTE_INSN_LIVE:
8f985ec4 ZW	190	indent += 2;
	191	if (!sawclose)
	192	fprintf (outfile, " ");
	193	print_rtx (NOTE_RANGE_INFO (in_rtx));
	194	indent -= 2;
994a57cd	195	break;
4c1545e4	196
994a57cd RH	197	case NOTE_INSN_BASIC_BLOCK:
	198	{
	199	basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
	200	if (bb != 0)
	201	fprintf (outfile, " [bb %d]", bb->index);
	202	break;
	203	}
	204
	205	case NOTE_INSN_EXPECTED_VALUE:
	206	indent += 2;
	207	if (!sawclose)
	208	fprintf (outfile, " ");
	209	print_rtx (NOTE_EXPECTED_VALUE (in_rtx));
	210	indent -= 2;
	211	break;
	212
	213	default:
	214	{
	215	const char * const str = X0STR (in_rtx, i);
	216
	217	if (NOTE_LINE_NUMBER (in_rtx) < 0)
	218	;
	219	else if (str == 0)
	220	fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
	221	else
	222	{
	223	if (dump_for_graph)
	224	fprintf (outfile, " (\\\"%s\\\")", str);
	225	else
	226	fprintf (outfile, " (\"%s\")", str);
	227	}
	228	break;
	229	}
8f985ec4 ZW	230	}
8f985ec4 ZW	231	}
e1a79915 RS	232	break;
	233
	234	case 'e':
bcdaba58	235	do_e:
e1a79915 RS	236	indent += 2;
	237	if (!sawclose)
	238	fprintf (outfile, " ");
	239	print_rtx (XEXP (in_rtx, i));
	240	indent -= 2;
	241	break;
	242
	243	case 'E':
	244	case 'V':
	245	indent += 2;
	246	if (sawclose)
	247	{
	248	fprintf (outfile, "\n%s",
2778b98d	249	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915 RS	250	sawclose = 0;
e1a79915 RS	251	}
735a0e33	252	fputs ("[ ", outfile);
e1a79915 RS	253	if (NULL != XVEC (in_rtx, i))
	254	{
	255	indent += 2;
	256	if (XVECLEN (in_rtx, i))
	257	sawclose = 1;
	258
	259	for (j = 0; j < XVECLEN (in_rtx, i); j++)
	260	print_rtx (XVECEXP (in_rtx, i, j));
	261
	262	indent -= 2;
	263	}
	264	if (sawclose)
	265	fprintf (outfile, "\n%s",
2778b98d	266	(xspaces + (sizeof xspaces - 1 - indent * 2)));
e1a79915	267
735a0e33	268	fputs ("] ", outfile);
e1a79915 RS	269	sawclose = 1;
	270	indent -= 2;
	271	break;
	272
5bf665df	273	case 'w':
734de8c8 RK	274	fprintf (outfile, " ");
734de8c8 RK	275	fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
7b028dba NC	276	fprintf (outfile, " [");
	277	fprintf (outfile, HOST_WIDE_INT_PRINT_HEX, XWINT (in_rtx, i));
	278	fprintf (outfile, "]");
5bf665df RK	279	break;
5bf665df RK	280
e1a79915	281	case 'i':
cf99a734 RS	282	{
cf99a734 RS	283	register int value = XINT (in_rtx, i);
a995e389	284	const char *name;
cf99a734 RS	285
	286	if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
	287	{
	288	fputc (' ', outfile);
	289	DEBUG_PRINT_REG (in_rtx, 0, outfile);
	290	}
a6c7a886 MM	291	else if (GET_CODE (in_rtx) == REG && value <= LAST_VIRTUAL_REGISTER)
	292	{
	293	if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
	294	fprintf (outfile, " %d virtual-incoming-args", value);
	295	else if (value == VIRTUAL_STACK_VARS_REGNUM)
	296	fprintf (outfile, " %d virtual-stack-vars", value);
	297	else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
	298	fprintf (outfile, " %d virtual-stack-dynamic", value);
	299	else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
	300	fprintf (outfile, " %d virtual-outgoing-args", value);
	301	else if (value == VIRTUAL_CFA_REGNUM)
	302	fprintf (outfile, " %d virtual-cfa", value);
	303	else
	304	fprintf (outfile, " %d virtual-reg-%d", value,
	305	value-FIRST_VIRTUAL_REGISTER);
	306	}
9ec36da5 JL	307	else if (flag_dump_unnumbered
9ec36da5 JL	308	&& (is_insn \|\| GET_CODE (in_rtx) == NOTE))
735a0e33	309	fputc ('#', outfile);
cf99a734 RS	310	else
cf99a734 RS	311	fprintf (outfile, " %d", value);
a995e389 RH	312
	313	if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
	314	&& XINT (in_rtx, i) >= 0
	315	&& (name = get_insn_name (XINT (in_rtx, i))) != NULL)
	316	fprintf (outfile, " {%s}", name);
	317	sawclose = 0;
cf99a734	318	}
e1a79915 RS	319	break;
	320
	321	/* Print NOTE_INSN names rather than integer codes. */
	322
	323	case 'n':
	324	if (XINT (in_rtx, i) <= 0)
	325	fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
	326	else
	327	fprintf (outfile, " %d", XINT (in_rtx, i));
	328	sawclose = 0;
	329	break;
	330
	331	case 'u':
	332	if (XEXP (in_rtx, i) != NULL)
9ec36da5	333	{
556ffcc5 RH	334	rtx sub = XEXP (in_rtx, i);
	335	enum rtx_code subc = GET_CODE (sub);
	336
c3c63936	337	if (GET_CODE (in_rtx) == LABEL_REF && subc != CODE_LABEL)
bcdaba58 RH	338	goto do_e;
bcdaba58 RH	339
9ec36da5	340	if (flag_dump_unnumbered)
735a0e33	341	fputc ('#', outfile);
9ec36da5	342	else
556ffcc5	343	fprintf (outfile, " %d", INSN_UID (sub));
9ec36da5	344	}
e1a79915	345	else
d5e3e85b	346	fputs (" 0", outfile);
d64be5ec CH	347	sawclose = 0;
	348	break;
	349
0dfa1860 MM	350	case 'b':
0dfa1860 MM	351	if (XBITMAP (in_rtx, i) == NULL)
735a0e33	352	fputs (" {null}", outfile);
0dfa1860 MM	353	else
	354	bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
	355	sawclose = 0;
	356	break;
	357
	358	case 't':
	359	putc (' ', outfile);
c6b0465b	360	fprintf (outfile, HOST_PTR_PRINTF, (char *) XTREE (in_rtx, i));
0dfa1860 MM	361	break;
0dfa1860 MM	362
d64be5ec	363	case '*':
735a0e33	364	fputs (" Unknown", outfile);
e1a79915 RS	365	sawclose = 0;
	366	break;
	367
	368	default:
	369	fprintf (stderr,
	370	"switch format wrong in rtl.print_rtx(). format was: %c.\n",
	371	format_ptr[-1]);
	372	abort ();
	373	}
	374
5a0a1a66 BS	375	if (GET_CODE (in_rtx) == MEM)
	376	fprintf (outfile, " %d", MEM_ALIAS_SET (in_rtx));
	377
4710d3eb	378	#if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && MAX_LONG_DOUBLE_TYPE_SIZE == 64
800d5c9e RH	379	if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
800d5c9e RH	380	{
5dd2add6	381	double val;
800d5c9e RH	382	REAL_VALUE_FROM_CONST_DOUBLE (val, in_rtx);
	383	fprintf (outfile, " [%.16g]", val);
	384	}
	385	#endif
	386
75c437de	387	if (GET_CODE (in_rtx) == CODE_LABEL)
8cd0faaf	388	{
c3c63936	389	fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
8cd0faaf	390	if (LABEL_ALTERNATE_NAME (in_rtx))
c3c63936 RK	391	fprintf (outfile, " [alternate name: %s]",
c3c63936 RK	392	LABEL_ALTERNATE_NAME (in_rtx));
8cd0faaf	393	}
75c437de	394
c3c63936 RK	395	if (GET_CODE (in_rtx) == CALL_PLACEHOLDER)
	396	for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
	397	if (GET_CODE (tem) == CALL_INSN)
	398	{
	399	fprintf (outfile, " ");
	400	print_rtx (tem);
	401	break;
	402	}
	403
735a0e33 UD	404	if (dump_for_graph
	405	&& (is_insn \|\| GET_CODE (in_rtx) == NOTE
	406	\|\| GET_CODE (in_rtx) == CODE_LABEL \|\| GET_CODE (in_rtx) == BARRIER))
	407	sawclose = 0;
	408	else
	409	{
	410	fputc (')', outfile);
	411	sawclose = 1;
	412	}
e1a79915 RS	413	}
e1a79915 RS	414
1d79197a RK	415	/* Print an rtx on the current line of FILE. Initially indent IND
	416	characters. */
	417
	418	void
	419	print_inline_rtx (outf, x, ind)
	420	FILE *outf;
	421	rtx x;
9870475c	422	int ind;
1d79197a	423	{
956d6950 JL	424	int oldsaw = sawclose;
	425	int oldindent = indent;
	426
1d79197a RK	427	sawclose = 0;
	428	indent = ind;
	429	outfile = outf;
	430	print_rtx (x);
956d6950 JL	431	sawclose = oldsaw;
956d6950 JL	432	indent = oldindent;
1d79197a RK	433	}
1d79197a RK	434
e1a79915 RS	435	/* Call this function from the debugger to see what X looks like. */
	436
	437	void
	438	debug_rtx (x)
	439	rtx x;
	440	{
	441	outfile = stderr;
	442	print_rtx (x);
	443	fprintf (stderr, "\n");
	444	}
	445
716f003f DE	446	/* Count of rtx's to print with debug_rtx_list.
	447	This global exists because gdb user defined commands have no arguments. */
	448
	449	int debug_rtx_count = 0; /* 0 is treated as equivalent to 1 */
	450
	451	/* Call this function to print list from X on.
	452
	453	N is a count of the rtx's to print. Positive values print from the specified
	454	rtx on. Negative values print a window around the rtx.
	455	EG: -5 prints 2 rtx's on either side (in addition to the specified rtx). */
	456
	457	void
	458	debug_rtx_list (x, n)
	459	rtx x;
	460	int n;
	461	{
	462	int i,count;
	463	rtx insn;
	464
	465	count = n == 0 ? 1 : n < 0 ? -n : n;
	466
	467	/* If we are printing a window, back up to the start. */
	468
	469	if (n < 0)
	470	for (i = count / 2; i > 0; i--)
	471	{
	472	if (PREV_INSN (x) == 0)
	473	break;
	474	x = PREV_INSN (x);
	475	}
	476
	477	for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
	478	debug_rtx (insn);
	479	}
	480
4c85a96d RH	481	/* Call this function to print an rtx list from START to END inclusive. */
	482
	483	void
	484	debug_rtx_range (start, end)
	485	rtx start, end;
	486	{
	487	while (1)
	488	{
	489	debug_rtx (start);
	490	if (!start \|\| start == end)
	491	break;
	492	start = NEXT_INSN (start);
	493	}
	494	}
	495
716f003f DE	496	/* Call this function to search an rtx list to find one with insn uid UID,
	497	and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
	498	The found insn is returned to enable further debugging analysis. */
	499
	500	rtx
1d79197a	501	debug_rtx_find (x, uid)
716f003f DE	502	rtx x;
	503	int uid;
	504	{
	505	while (x != 0 && INSN_UID (x) != uid)
	506	x = NEXT_INSN (x);
	507	if (x != 0)
	508	{
	509	debug_rtx_list (x, debug_rtx_count);
	510	return x;
	511	}
	512	else
	513	{
	514	fprintf (stderr, "insn uid %d not found\n", uid);
	515	return 0;
	516	}
	517	}
	518
e1a79915 RS	519	/* External entry point for printing a chain of insns
	520	starting with RTX_FIRST onto file OUTF.
	521	A blank line separates insns.
	522
	523	If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
	524
	525	void
	526	print_rtl (outf, rtx_first)
	527	FILE *outf;
	528	rtx rtx_first;
	529	{
	530	register rtx tmp_rtx;
	531
	532	outfile = outf;
	533	sawclose = 0;
	534
	535	if (rtx_first == 0)
735a0e33	536	fputs ("(nil)\n", outf);
e1a79915 RS	537	else
	538	switch (GET_CODE (rtx_first))
	539	{
	540	case INSN:
	541	case JUMP_INSN:
	542	case CALL_INSN:
	543	case NOTE:
	544	case CODE_LABEL:
	545	case BARRIER:
c3c63936 RK	546	for (tmp_rtx = rtx_first; tmp_rtx != 0; tmp_rtx = NEXT_INSN (tmp_rtx))
	547	if (! flag_dump_unnumbered
	548	\|\| GET_CODE (tmp_rtx) != NOTE \|\| NOTE_LINE_NUMBER (tmp_rtx) < 0)
	549	{
	550	print_rtx (tmp_rtx);
	551	fprintf (outfile, "\n");
	552	}
e1a79915 RS	553	break;
	554
	555	default:
	556	print_rtx (rtx_first);
	557	}
	558	}
3e28fe44 MM	559
3e28fe44 MM	560	/* Like print_rtx, except specify a file. */
b707b450	561	/* Return nonzero if we actually printed anything. */
3e28fe44	562
b707b450	563	int
3e28fe44 MM	564	print_rtl_single (outf, x)
	565	FILE *outf;
	566	rtx x;
	567	{
	568	outfile = outf;
	569	sawclose = 0;
9ec36da5 JL	570	if (! flag_dump_unnumbered
	571	\|\| GET_CODE (x) != NOTE \|\| NOTE_LINE_NUMBER (x) < 0)
	572	{
	573	print_rtx (x);
	574	putc ('\n', outf);
b707b450	575	return 1;
9ec36da5	576	}
b707b450	577	return 0;
3e28fe44	578	}