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-rw-r--r--contrib/gcc/print-rtl.c486
1 files changed, 0 insertions, 486 deletions
diff --git a/contrib/gcc/print-rtl.c b/contrib/gcc/print-rtl.c
deleted file mode 100644
index e097aadfe482..000000000000
--- a/contrib/gcc/print-rtl.c
+++ /dev/null
@@ -1,486 +0,0 @@
-/* Print RTL for GNU C Compiler.
- Copyright (C) 1987, 1988, 1992, 1997, 1998 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 char *reg_names[] = DEBUG_REGISTER_NAMES;
-#else
-static char *reg_names[] = REGISTER_NAMES;
-#endif
-
-static FILE *outfile;
-
-static const char xspaces[] = " ";
-
-static int sawclose = 0;
-
-static int indent;
-
-/* Names for patterns. Non-zero only when linked with insn-output.c. */
-
-extern char **insn_name_ptr;
-
-static void print_rtx PROTO ((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 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 (i == 3 && GET_CODE (in_rtx) == NOTE
- && (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_BEG
- || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_EH_REGION_END
- || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_BEG
- || NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BLOCK_END))
- {
- fprintf (outfile, " %d", NOTE_BLOCK_NUMBER (in_rtx));
- sawclose = 1;
- break;
- }
-
- if (i == 3 && GET_CODE (in_rtx) == NOTE
- && (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;
- break;
- }
-
- if (i == 3 && GET_CODE (in_rtx) == NOTE
- && NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BASIC_BLOCK)
- {
- basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
- fprintf (outfile, " [bb %d]", bb->index);
- break;
- }
-
- if (XSTR (in_rtx, i) == 0)
- fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
- else
- fprintf (outfile, dump_for_graph ? " (\\\"%s\\\")" : " (\"%s\")",
- XSTR (in_rtx, i));
- sawclose = 1;
- break;
-
- /* 0 indicates a field for internal use that should not be printed. */
- case '0':
- break;
-
- case '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);
-
- if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
- {
- fputc (' ', outfile);
- DEBUG_PRINT_REG (in_rtx, 0, outfile);
- }
- 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)
- && insn_name_ptr
- && XINT (in_rtx, i) >= 0)
- fprintf (outfile, " {%s}", insn_name_ptr[XINT (in_rtx, i)]);
- 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)
- {
- if (flag_dump_unnumbered)
- fputc ('#', outfile);
- else
- fprintf (outfile, " %d", INSN_UID (XEXP (in_rtx, i)));
- }
- 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 (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;
-}
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