792 lines
19 KiB
C
792 lines
19 KiB
C
/* Print RTL for GCC.
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Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999, 2000, 2002, 2003
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "rtl.h"
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/* We don't want the tree code checking code for the access to the
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DECL_NAME to be included in the gen* programs. */
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#undef ENABLE_TREE_CHECKING
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#include "tree.h"
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#include "real.h"
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#include "flags.h"
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#include "hard-reg-set.h"
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#include "basic-block.h"
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#include "tm_p.h"
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static FILE *outfile;
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static int sawclose = 0;
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static int indent;
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static void print_rtx (rtx);
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/* String printed at beginning of each RTL when it is dumped.
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This string is set to ASM_COMMENT_START when the RTL is dumped in
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the assembly output file. */
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const char *print_rtx_head = "";
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/* Nonzero means suppress output of instruction numbers and line number
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notes in debugging dumps.
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This must be defined here so that programs like gencodes can be linked. */
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int flag_dump_unnumbered = 0;
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/* Nonzero means use simplified format without flags, modes, etc. */
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int flag_simple = 0;
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/* Nonzero if we are dumping graphical description. */
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int dump_for_graph;
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/* Nonzero to dump all call_placeholder alternatives. */
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static int debug_call_placeholder_verbose;
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void
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print_mem_expr (FILE *outfile, tree expr)
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{
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if (TREE_CODE (expr) == COMPONENT_REF)
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{
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if (TREE_OPERAND (expr, 0))
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print_mem_expr (outfile, TREE_OPERAND (expr, 0));
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else
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fputs (" <variable>", outfile);
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if (DECL_NAME (TREE_OPERAND (expr, 1)))
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fprintf (outfile, ".%s",
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IDENTIFIER_POINTER (DECL_NAME (TREE_OPERAND (expr, 1))));
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}
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else if (TREE_CODE (expr) == INDIRECT_REF)
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{
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fputs (" (*", outfile);
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print_mem_expr (outfile, TREE_OPERAND (expr, 0));
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fputs (")", outfile);
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}
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else if (DECL_NAME (expr))
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fprintf (outfile, " %s", IDENTIFIER_POINTER (DECL_NAME (expr)));
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else if (TREE_CODE (expr) == RESULT_DECL)
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fputs (" <result>", outfile);
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else
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fputs (" <anonymous>", outfile);
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}
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/* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
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static void
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print_rtx (rtx in_rtx)
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{
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int i = 0;
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int j;
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const char *format_ptr;
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int is_insn;
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rtx tem;
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if (sawclose)
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{
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if (flag_simple)
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fputc (' ', outfile);
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else
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fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
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sawclose = 0;
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}
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if (in_rtx == 0)
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{
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fputs ("(nil)", outfile);
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sawclose = 1;
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return;
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}
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else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
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{
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fprintf (outfile, "(??? bad code %d\n)", GET_CODE (in_rtx));
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sawclose = 1;
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return;
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}
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is_insn = INSN_P (in_rtx);
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/* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
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in separate nodes and therefore have to handle them special here. */
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if (dump_for_graph
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&& (is_insn || GET_CODE (in_rtx) == NOTE
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|| GET_CODE (in_rtx) == CODE_LABEL || GET_CODE (in_rtx) == BARRIER))
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{
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i = 3;
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indent = 0;
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}
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else
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{
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/* Print name of expression code. */
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if (flag_simple && GET_CODE (in_rtx) == CONST_INT)
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fputc ('(', outfile);
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else
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fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
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if (! flag_simple)
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{
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if (RTX_FLAG (in_rtx, in_struct))
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fputs ("/s", outfile);
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if (RTX_FLAG (in_rtx, volatil))
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fputs ("/v", outfile);
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if (RTX_FLAG (in_rtx, unchanging))
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fputs ("/u", outfile);
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if (RTX_FLAG (in_rtx, integrated))
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fputs ("/i", outfile);
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if (RTX_FLAG (in_rtx, frame_related))
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fputs ("/f", outfile);
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if (RTX_FLAG (in_rtx, jump))
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fputs ("/j", outfile);
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if (RTX_FLAG (in_rtx, call))
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fputs ("/c", outfile);
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if (GET_MODE (in_rtx) != VOIDmode)
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{
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/* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
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if (GET_CODE (in_rtx) == EXPR_LIST
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|| GET_CODE (in_rtx) == INSN_LIST)
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fprintf (outfile, ":%s",
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GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
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else
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fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
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}
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}
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}
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#ifndef GENERATOR_FILE
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if (GET_CODE (in_rtx) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (in_rtx)))
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i = 5;
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#endif
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/* Get the format string and skip the first elements if we have handled
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them already. */
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format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
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for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
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switch (*format_ptr++)
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{
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const char *str;
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case 'T':
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str = XTMPL (in_rtx, i);
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goto string;
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case 'S':
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case 's':
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str = XSTR (in_rtx, i);
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string:
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if (str == 0)
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fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
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else
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{
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if (dump_for_graph)
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fprintf (outfile, " (\\\"%s\\\")", str);
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else
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fprintf (outfile, " (\"%s\")", str);
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}
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sawclose = 1;
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break;
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/* 0 indicates a field for internal use that should not be printed.
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An exception is the third field of a NOTE, where it indicates
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that the field has several different valid contents. */
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case '0':
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if (i == 1 && GET_CODE (in_rtx) == REG)
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{
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if (REGNO (in_rtx) != ORIGINAL_REGNO (in_rtx))
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fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
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}
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#ifndef GENERATOR_FILE
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else if (i == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
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{
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int flags = SYMBOL_REF_FLAGS (in_rtx);
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if (flags)
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fprintf (outfile, " [flags 0x%x]", flags);
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}
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else if (i == 2 && GET_CODE (in_rtx) == SYMBOL_REF)
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{
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tree decl = SYMBOL_REF_DECL (in_rtx);
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if (decl)
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print_node_brief (outfile, "", decl, 0);
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}
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#endif
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else if (i == 4 && GET_CODE (in_rtx) == NOTE)
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{
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switch (NOTE_LINE_NUMBER (in_rtx))
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{
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case NOTE_INSN_EH_REGION_BEG:
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case NOTE_INSN_EH_REGION_END:
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if (flag_dump_unnumbered)
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fprintf (outfile, " #");
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else
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fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
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sawclose = 1;
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break;
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case NOTE_INSN_BLOCK_BEG:
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case NOTE_INSN_BLOCK_END:
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fprintf (outfile, " ");
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if (flag_dump_unnumbered)
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fprintf (outfile, "#");
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else
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fprintf (outfile, HOST_PTR_PRINTF,
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(char *) NOTE_BLOCK (in_rtx));
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sawclose = 1;
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break;
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case NOTE_INSN_BASIC_BLOCK:
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{
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basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
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if (bb != 0)
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fprintf (outfile, " [bb %d]", bb->index);
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break;
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}
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case NOTE_INSN_EXPECTED_VALUE:
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indent += 2;
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if (!sawclose)
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fprintf (outfile, " ");
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print_rtx (NOTE_EXPECTED_VALUE (in_rtx));
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indent -= 2;
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break;
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case NOTE_INSN_DELETED_LABEL:
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if (NOTE_SOURCE_FILE (in_rtx))
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fprintf (outfile, " (\"%s\")", NOTE_SOURCE_FILE (in_rtx));
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else
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fprintf (outfile, " \"\"");
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break;
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case NOTE_INSN_PREDICTION:
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if (NOTE_PREDICTION (in_rtx))
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fprintf (outfile, " [ %d %d ] ",
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(int)NOTE_PREDICTION_ALG (in_rtx),
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(int) NOTE_PREDICTION_FLAGS (in_rtx));
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else
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fprintf (outfile, " [ ERROR ]");
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break;
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default:
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{
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const char * const str = X0STR (in_rtx, i);
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if (NOTE_LINE_NUMBER (in_rtx) < 0)
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;
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else if (str == 0)
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fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile);
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else
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{
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if (dump_for_graph)
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fprintf (outfile, " (\\\"%s\\\")", str);
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else
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fprintf (outfile, " (\"%s\")", str);
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}
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break;
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}
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}
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}
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break;
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case 'e':
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do_e:
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indent += 2;
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if (!sawclose)
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fprintf (outfile, " ");
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print_rtx (XEXP (in_rtx, i));
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indent -= 2;
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break;
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case 'E':
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case 'V':
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indent += 2;
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if (sawclose)
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{
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fprintf (outfile, "\n%s%*s",
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print_rtx_head, indent * 2, "");
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sawclose = 0;
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}
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fputs (" [", outfile);
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if (NULL != XVEC (in_rtx, i))
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{
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indent += 2;
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if (XVECLEN (in_rtx, i))
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sawclose = 1;
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for (j = 0; j < XVECLEN (in_rtx, i); j++)
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print_rtx (XVECEXP (in_rtx, i, j));
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indent -= 2;
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}
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if (sawclose)
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fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
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fputs ("]", outfile);
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sawclose = 1;
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indent -= 2;
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break;
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case 'w':
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if (! flag_simple)
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fprintf (outfile, " ");
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fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
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if (! flag_simple)
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fprintf (outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
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XWINT (in_rtx, i));
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break;
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case 'i':
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if (i == 4 && INSN_P (in_rtx))
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{
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#ifndef GENERATOR_FILE
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/* Pretty-print insn locators. Ignore scoping as it is mostly
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redundant with line number information and do not print anything
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when there is no location information available. */
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if (INSN_LOCATOR (in_rtx) && insn_file (in_rtx))
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fprintf(outfile, " %s:%i", insn_file (in_rtx), insn_line (in_rtx));
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#endif
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}
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else if (i == 6 && GET_CODE (in_rtx) == NOTE)
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{
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/* This field is only used for NOTE_INSN_DELETED_LABEL, and
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other times often contains garbage from INSN->NOTE death. */
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if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_DELETED_LABEL)
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fprintf (outfile, " %d", XINT (in_rtx, i));
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}
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else
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{
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int value = XINT (in_rtx, i);
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const char *name;
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#ifndef GENERATOR_FILE
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if (GET_CODE (in_rtx) == REG && value < FIRST_PSEUDO_REGISTER)
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fprintf (outfile, " %d %s", REGNO (in_rtx),
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reg_names[REGNO (in_rtx)]);
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else if (GET_CODE (in_rtx) == REG
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&& value <= LAST_VIRTUAL_REGISTER)
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{
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if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
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fprintf (outfile, " %d virtual-incoming-args", value);
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else if (value == VIRTUAL_STACK_VARS_REGNUM)
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fprintf (outfile, " %d virtual-stack-vars", value);
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else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
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fprintf (outfile, " %d virtual-stack-dynamic", value);
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else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
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fprintf (outfile, " %d virtual-outgoing-args", value);
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else if (value == VIRTUAL_CFA_REGNUM)
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fprintf (outfile, " %d virtual-cfa", value);
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else
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fprintf (outfile, " %d virtual-reg-%d", value,
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value-FIRST_VIRTUAL_REGISTER);
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}
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else
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#endif
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if (flag_dump_unnumbered
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&& (is_insn || GET_CODE (in_rtx) == NOTE))
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fputc ('#', outfile);
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else
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fprintf (outfile, " %d", value);
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if (GET_CODE (in_rtx) == REG && REG_ATTRS (in_rtx))
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{
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fputs (" [", outfile);
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if (ORIGINAL_REGNO (in_rtx) != REGNO (in_rtx))
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fprintf (outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
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if (REG_EXPR (in_rtx))
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print_mem_expr (outfile, REG_EXPR (in_rtx));
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if (REG_OFFSET (in_rtx))
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fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
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REG_OFFSET (in_rtx));
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fputs (" ]", outfile);
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}
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if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
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&& XINT (in_rtx, i) >= 0
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&& (name = get_insn_name (XINT (in_rtx, i))) != NULL)
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fprintf (outfile, " {%s}", name);
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sawclose = 0;
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}
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break;
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/* Print NOTE_INSN names rather than integer codes. */
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case 'n':
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if (XINT (in_rtx, i) >= (int) NOTE_INSN_BIAS
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&& XINT (in_rtx, i) < (int) NOTE_INSN_MAX)
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fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
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else
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fprintf (outfile, " %d", XINT (in_rtx, i));
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sawclose = 0;
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break;
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case 'u':
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if (XEXP (in_rtx, i) != NULL)
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{
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rtx sub = XEXP (in_rtx, i);
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enum rtx_code subc = GET_CODE (sub);
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if (GET_CODE (in_rtx) == LABEL_REF)
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{
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if (subc == NOTE
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&& NOTE_LINE_NUMBER (sub) == NOTE_INSN_DELETED_LABEL)
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{
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if (flag_dump_unnumbered)
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fprintf (outfile, " [# deleted]");
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else
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fprintf (outfile, " [%d deleted]", INSN_UID (sub));
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sawclose = 0;
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break;
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}
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if (subc != CODE_LABEL)
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goto do_e;
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}
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if (flag_dump_unnumbered)
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fputs (" #", outfile);
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else
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fprintf (outfile, " %d", INSN_UID (sub));
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}
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else
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fputs (" 0", outfile);
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sawclose = 0;
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break;
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case 'b':
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if (XBITMAP (in_rtx, i) == NULL)
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fputs (" {null}", outfile);
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else
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bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
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sawclose = 0;
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break;
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case 't':
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fprintf (outfile, " " HOST_PTR_PRINTF, (void *) XTREE (in_rtx, i));
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break;
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case '*':
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fputs (" Unknown", outfile);
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sawclose = 0;
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break;
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case 'B':
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if (XBBDEF (in_rtx, i))
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fprintf (outfile, " %i", XBBDEF (in_rtx, i)->index);
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break;
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default:
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fprintf (stderr,
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"switch format wrong in rtl.print_rtx(). format was: %c.\n",
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format_ptr[-1]);
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abort ();
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}
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switch (GET_CODE (in_rtx))
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{
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#ifndef GENERATOR_FILE
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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: abort();
|
|
}
|
|
break;
|
|
|
|
case CALL_PLACEHOLDER:
|
|
if (debug_call_placeholder_verbose)
|
|
{
|
|
fputs (" (cond [\n (const_string \"normal\") (sequence [", outfile);
|
|
for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
|
|
{
|
|
fputs ("\n ", outfile);
|
|
print_inline_rtx (outfile, tem, 4);
|
|
}
|
|
|
|
tem = XEXP (in_rtx, 1);
|
|
if (tem)
|
|
fputs ("\n ])\n (const_string \"tail_call\") (sequence [",
|
|
outfile);
|
|
for (; tem != 0; tem = NEXT_INSN (tem))
|
|
{
|
|
fputs ("\n ", outfile);
|
|
print_inline_rtx (outfile, tem, 4);
|
|
}
|
|
|
|
tem = XEXP (in_rtx, 2);
|
|
if (tem)
|
|
fputs ("\n ])\n (const_string \"tail_recursion\") (sequence [",
|
|
outfile);
|
|
for (; tem != 0; tem = NEXT_INSN (tem))
|
|
{
|
|
fputs ("\n ", outfile);
|
|
print_inline_rtx (outfile, tem, 4);
|
|
}
|
|
|
|
fputs ("\n ])\n ])", outfile);
|
|
break;
|
|
}
|
|
|
|
for (tem = XEXP (in_rtx, 0); tem != 0; tem = NEXT_INSN (tem))
|
|
if (GET_CODE (tem) == CALL_INSN)
|
|
{
|
|
fprintf (outfile, " ");
|
|
print_rtx (tem);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
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 (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 (rtx x)
|
|
{
|
|
outfile = stderr;
|
|
sawclose = 0;
|
|
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 (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);
|
|
fprintf (stderr, "\n");
|
|
}
|
|
}
|
|
|
|
/* Call this function to print an rtx list from START to END inclusive. */
|
|
|
|
void
|
|
debug_rtx_range (rtx start, rtx end)
|
|
{
|
|
while (1)
|
|
{
|
|
debug_rtx (start);
|
|
fprintf (stderr, "\n");
|
|
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 (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 (FILE *outf, rtx rtx_first)
|
|
{
|
|
rtx tmp_rtx;
|
|
|
|
outfile = outf;
|
|
sawclose = 0;
|
|
|
|
if (rtx_first == 0)
|
|
{
|
|
fputs (print_rtx_head, outf);
|
|
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)
|
|
{
|
|
fputs (print_rtx_head, outfile);
|
|
print_rtx (tmp_rtx);
|
|
fprintf (outfile, "\n");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fputs (print_rtx_head, outfile);
|
|
print_rtx (rtx_first);
|
|
}
|
|
}
|
|
|
|
/* Like print_rtx, except specify a file. */
|
|
/* Return nonzero if we actually printed anything. */
|
|
|
|
int
|
|
print_rtl_single (FILE *outf, rtx x)
|
|
{
|
|
outfile = outf;
|
|
sawclose = 0;
|
|
if (! flag_dump_unnumbered
|
|
|| GET_CODE (x) != NOTE || NOTE_LINE_NUMBER (x) < 0)
|
|
{
|
|
fputs (print_rtx_head, outfile);
|
|
print_rtx (x);
|
|
putc ('\n', outf);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* Like print_rtl except without all the detail; for example,
|
|
if RTX is a CONST_INT then print in decimal format. */
|
|
|
|
void
|
|
print_simple_rtl (FILE *outf, rtx x)
|
|
{
|
|
flag_simple = 1;
|
|
print_rtl (outf, x);
|
|
flag_simple = 0;
|
|
}
|