1766 lines
42 KiB
C
1766 lines
42 KiB
C
/* Print RTL for GCC.
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Copyright (C) 1987-2016 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 3, 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 COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* This file is compiled twice: once for the generator programs,
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once for the compiler. */
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#ifdef GENERATOR_FILE
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#include "bconfig.h"
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#else
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#include "config.h"
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#endif
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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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/* These headers all define things which are not available in
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generator programs. */
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#ifndef GENERATOR_FILE
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#include "alias.h"
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#include "tree.h"
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#include "cfg.h"
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#include "print-tree.h"
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#include "flags.h"
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#include "predict.h"
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#include "function.h"
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#include "basic-block.h"
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#include "diagnostic.h"
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#include "tree-pretty-print.h"
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#include "alloc-pool.h"
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#include "cselib.h"
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#include "dumpfile.h" /* for dump_flags */
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#include "dwarf2out.h"
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#include "pretty-print.h"
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#endif
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#include "print-rtl.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 bool in_call_function_usage;
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static void print_rtx (const_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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#ifdef GENERATOR_FILE
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/* These are defined from the .opt file when not used in generator
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programs. */
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/* Nonzero means suppress output of instruction numbers
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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 suppress output of instruction numbers for previous
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and next insns 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_links = 0;
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#endif
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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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#ifndef GENERATOR_FILE
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void
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print_mem_expr (FILE *outfile, const_tree expr)
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{
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fputc (' ', outfile);
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print_generic_expr (outfile, CONST_CAST_TREE (expr), dump_flags);
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}
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#endif
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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 (const_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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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%s%*s)", GET_CODE (in_rtx),
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print_rtx_head, indent * 2, "");
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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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/* Print name of expression code. */
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if (flag_simple && CONST_INT_P (in_rtx))
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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, 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 (RTX_FLAG (in_rtx, return_val))
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fputs ("/i", outfile);
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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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|| GET_CODE (in_rtx) == INT_LIST)
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&& (int)GET_MODE (in_rtx) < REG_NOTE_MAX
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&& !in_call_function_usage)
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fprintf (outfile, ":%s",
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GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
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/* For other rtl, print the mode if it's not VOID. */
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else if (GET_MODE (in_rtx) != VOIDmode)
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fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
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#ifndef GENERATOR_FILE
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if (GET_CODE (in_rtx) == VAR_LOCATION)
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{
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if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx)) == STRING_CST)
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fputs (" <debug string placeholder>", outfile);
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else
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print_mem_expr (outfile, PAT_VAR_LOCATION_DECL (in_rtx));
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fputc (' ', outfile);
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print_rtx (PAT_VAR_LOCATION_LOC (in_rtx));
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if (PAT_VAR_LOCATION_STATUS (in_rtx)
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== VAR_INIT_STATUS_UNINITIALIZED)
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fprintf (outfile, " [uninit]");
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sawclose = 1;
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i = GET_RTX_LENGTH (VAR_LOCATION);
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}
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#endif
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}
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#ifndef GENERATOR_FILE
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if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
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i = 5;
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#endif
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if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx)))
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{
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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", INSN_UID (in_rtx));
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}
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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 (" \"\"", outfile);
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else
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fprintf (outfile, " (\"%s\")", str);
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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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#ifndef GENERATOR_FILE
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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 %#x]", flags);
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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, dump_flags);
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}
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else if (i == 3 && NOTE_P (in_rtx))
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{
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switch (NOTE_KIND (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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dump_addr (outfile, " ", 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_DELETED_LABEL:
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case NOTE_INSN_DELETED_DEBUG_LABEL:
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{
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const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
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if (label)
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fprintf (outfile, " (\"%s\")", label);
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else
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fprintf (outfile, " \"\"");
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}
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break;
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case NOTE_INSN_SWITCH_TEXT_SECTIONS:
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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_VAR_LOCATION:
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case NOTE_INSN_CALL_ARG_LOCATION:
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fputc (' ', outfile);
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print_rtx (NOTE_VAR_LOCATION (in_rtx));
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break;
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case NOTE_INSN_CFI:
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fputc ('\n', outfile);
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output_cfi_directive (outfile, NOTE_CFI (in_rtx));
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fputc ('\t', outfile);
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break;
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default:
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break;
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}
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}
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else if (i == 7 && JUMP_P (in_rtx) && JUMP_LABEL (in_rtx) != NULL)
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{
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/* Output the JUMP_LABEL reference. */
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fprintf (outfile, "\n%s%*s -> ", print_rtx_head, indent * 2, "");
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if (GET_CODE (JUMP_LABEL (in_rtx)) == RETURN)
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fprintf (outfile, "return");
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else if (GET_CODE (JUMP_LABEL (in_rtx)) == SIMPLE_RETURN)
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fprintf (outfile, "simple_return");
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else
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fprintf (outfile, "%d", INSN_UID (JUMP_LABEL (in_rtx)));
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}
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else if (i == 0 && GET_CODE (in_rtx) == VALUE)
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{
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cselib_val *val = CSELIB_VAL_PTR (in_rtx);
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fprintf (outfile, " %u:%u", val->uid, val->hash);
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dump_addr (outfile, " @", in_rtx);
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dump_addr (outfile, "/", (void*)val);
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}
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else if (i == 0 && GET_CODE (in_rtx) == DEBUG_EXPR)
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{
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fprintf (outfile, " D#%i",
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DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx)));
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}
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else if (i == 0 && GET_CODE (in_rtx) == ENTRY_VALUE)
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{
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indent += 2;
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if (!sawclose)
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fprintf (outfile, " ");
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print_rtx (ENTRY_VALUE_EXP (in_rtx));
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indent -= 2;
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}
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#endif
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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 (i == 6 && INSN_P (in_rtx))
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/* Put REG_NOTES on their own line. */
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fprintf (outfile, "\n%s%*s",
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print_rtx_head, indent * 2, "");
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if (!sawclose)
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fprintf (outfile, " ");
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if (i == 7 && CALL_P (in_rtx))
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{
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in_call_function_usage = true;
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print_rtx (XEXP (in_rtx, i));
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in_call_function_usage = false;
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}
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else
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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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(unsigned HOST_WIDE_INT) 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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const rtx_insn *in_insn = as_a <const rtx_insn *> (in_rtx);
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/* Pretty-print insn locations. 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_HAS_LOCATION (in_insn))
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{
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expanded_location xloc = insn_location (in_insn);
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fprintf (outfile, " %s:%i", xloc.file, xloc.line);
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}
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#endif
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}
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else if (i == 6 && GET_CODE (in_rtx) == ASM_OPERANDS)
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{
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#ifndef GENERATOR_FILE
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if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
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fprintf (outfile, " %s:%i",
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LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)),
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LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)));
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#endif
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}
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else if (i == 1 && GET_CODE (in_rtx) == ASM_INPUT)
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{
|
|
#ifndef GENERATOR_FILE
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if (ASM_INPUT_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
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fprintf (outfile, " %s:%i",
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LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx)),
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LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx)));
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#endif
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}
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else if (i == 5 && NOTE_P (in_rtx))
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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_KIND (in_rtx) == NOTE_INSN_DELETED_LABEL
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|
|| NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_DEBUG_LABEL)
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fprintf (outfile, " %d", XINT (in_rtx, i));
|
|
}
|
|
#if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
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else if (i == 1
|
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&& GET_CODE (in_rtx) == UNSPEC_VOLATILE
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&& XINT (in_rtx, 1) >= 0
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|
&& XINT (in_rtx, 1) < NUM_UNSPECV_VALUES)
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|
fprintf (outfile, " %s", unspecv_strings[XINT (in_rtx, 1)]);
|
|
#endif
|
|
#if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
|
|
else if (i == 1
|
|
&& (GET_CODE (in_rtx) == UNSPEC
|
|
|| GET_CODE (in_rtx) == UNSPEC_VOLATILE)
|
|
&& XINT (in_rtx, 1) >= 0
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|
&& XINT (in_rtx, 1) < NUM_UNSPEC_VALUES)
|
|
fprintf (outfile, " %s", unspec_strings[XINT (in_rtx, 1)]);
|
|
#endif
|
|
else
|
|
{
|
|
int value = XINT (in_rtx, i);
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|
const char *name;
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|
|
|
if (flag_dump_unnumbered
|
|
&& (is_insn || NOTE_P (in_rtx)))
|
|
fputc ('#', outfile);
|
|
else
|
|
fprintf (outfile, " %d", value);
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|
|
|
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)
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|
fprintf (outfile, " {%s}", name);
|
|
sawclose = 0;
|
|
}
|
|
break;
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|
|
case 'r':
|
|
{
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|
unsigned int regno = REGNO (in_rtx);
|
|
#ifndef GENERATOR_FILE
|
|
if (regno < FIRST_PSEUDO_REGISTER)
|
|
fprintf (outfile, " %d %s", regno, reg_names[regno]);
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|
else if (regno <= LAST_VIRTUAL_REGISTER)
|
|
{
|
|
if (regno == VIRTUAL_INCOMING_ARGS_REGNUM)
|
|
fprintf (outfile, " %d virtual-incoming-args", regno);
|
|
else if (regno == VIRTUAL_STACK_VARS_REGNUM)
|
|
fprintf (outfile, " %d virtual-stack-vars", regno);
|
|
else if (regno == VIRTUAL_STACK_DYNAMIC_REGNUM)
|
|
fprintf (outfile, " %d virtual-stack-dynamic", regno);
|
|
else if (regno == VIRTUAL_OUTGOING_ARGS_REGNUM)
|
|
fprintf (outfile, " %d virtual-outgoing-args", regno);
|
|
else if (regno == VIRTUAL_CFA_REGNUM)
|
|
fprintf (outfile, " %d virtual-cfa", regno);
|
|
else if (regno == VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM)
|
|
fprintf (outfile, " %d virtual-preferred-stack-boundary",
|
|
regno);
|
|
else
|
|
fprintf (outfile, " %d virtual-reg-%d", regno,
|
|
regno-FIRST_VIRTUAL_REGISTER);
|
|
}
|
|
else
|
|
#endif
|
|
if (flag_dump_unnumbered && is_insn)
|
|
fputc ('#', outfile);
|
|
else
|
|
fprintf (outfile, " %d", regno);
|
|
|
|
#ifndef GENERATOR_FILE
|
|
if (REG_ATTRS (in_rtx))
|
|
{
|
|
fputs (" [", outfile);
|
|
if (regno != ORIGINAL_REGNO (in_rtx))
|
|
fprintf (outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
|
|
if (REG_EXPR (in_rtx))
|
|
print_mem_expr (outfile, REG_EXPR (in_rtx));
|
|
|
|
if (REG_OFFSET (in_rtx))
|
|
fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
|
|
REG_OFFSET (in_rtx));
|
|
fputs (" ]", outfile);
|
|
}
|
|
if (regno != ORIGINAL_REGNO (in_rtx))
|
|
fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
/* Print NOTE_INSN names rather than integer codes. */
|
|
|
|
case 'n':
|
|
fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
|
|
sawclose = 0;
|
|
break;
|
|
|
|
case 'u':
|
|
if (XEXP (in_rtx, i) != NULL)
|
|
{
|
|
rtx sub = XEXP (in_rtx, i);
|
|
enum rtx_code subc = GET_CODE (sub);
|
|
|
|
if (GET_CODE (in_rtx) == LABEL_REF)
|
|
{
|
|
if (subc == NOTE
|
|
&& NOTE_KIND (sub) == NOTE_INSN_DELETED_LABEL)
|
|
{
|
|
if (flag_dump_unnumbered)
|
|
fprintf (outfile, " [# deleted]");
|
|
else
|
|
fprintf (outfile, " [%d deleted]", INSN_UID (sub));
|
|
sawclose = 0;
|
|
break;
|
|
}
|
|
|
|
if (subc != CODE_LABEL)
|
|
goto do_e;
|
|
}
|
|
|
|
if (flag_dump_unnumbered
|
|
|| (flag_dump_unnumbered_links && i <= 1
|
|
&& (INSN_P (in_rtx) || NOTE_P (in_rtx)
|
|
|| LABEL_P (in_rtx) || BARRIER_P (in_rtx))))
|
|
fputs (" #", outfile);
|
|
else
|
|
fprintf (outfile, " %d", INSN_UID (sub));
|
|
}
|
|
else
|
|
fputs (" 0", outfile);
|
|
sawclose = 0;
|
|
break;
|
|
|
|
case 't':
|
|
#ifndef GENERATOR_FILE
|
|
if (i == 0 && GET_CODE (in_rtx) == DEBUG_IMPLICIT_PTR)
|
|
print_mem_expr (outfile, DEBUG_IMPLICIT_PTR_DECL (in_rtx));
|
|
else if (i == 0 && GET_CODE (in_rtx) == DEBUG_PARAMETER_REF)
|
|
print_mem_expr (outfile, DEBUG_PARAMETER_REF_DECL (in_rtx));
|
|
else
|
|
dump_addr (outfile, " ", XTREE (in_rtx, i));
|
|
#endif
|
|
break;
|
|
|
|
case '*':
|
|
fputs (" Unknown", outfile);
|
|
sawclose = 0;
|
|
break;
|
|
|
|
case 'B':
|
|
#ifndef GENERATOR_FILE
|
|
if (XBBDEF (in_rtx, i))
|
|
fprintf (outfile, " %i", XBBDEF (in_rtx, i)->index);
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
gcc_unreachable ();
|
|
}
|
|
|
|
switch (GET_CODE (in_rtx))
|
|
{
|
|
#ifndef GENERATOR_FILE
|
|
case MEM:
|
|
if (__builtin_expect (final_insns_dump_p, false))
|
|
fprintf (outfile, " [");
|
|
else
|
|
fprintf (outfile, " [" HOST_WIDE_INT_PRINT_DEC,
|
|
(HOST_WIDE_INT) MEM_ALIAS_SET (in_rtx));
|
|
|
|
if (MEM_EXPR (in_rtx))
|
|
print_mem_expr (outfile, MEM_EXPR (in_rtx));
|
|
else
|
|
fputc (' ', outfile);
|
|
|
|
if (MEM_OFFSET_KNOWN_P (in_rtx))
|
|
fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC, MEM_OFFSET (in_rtx));
|
|
|
|
if (MEM_SIZE_KNOWN_P (in_rtx))
|
|
fprintf (outfile, " S" HOST_WIDE_INT_PRINT_DEC, MEM_SIZE (in_rtx));
|
|
|
|
if (MEM_ALIGN (in_rtx) != 1)
|
|
fprintf (outfile, " A%u", MEM_ALIGN (in_rtx));
|
|
|
|
if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx)))
|
|
fprintf (outfile, " AS%u", MEM_ADDR_SPACE (in_rtx));
|
|
|
|
fputc (']', outfile);
|
|
break;
|
|
|
|
case CONST_DOUBLE:
|
|
if (FLOAT_MODE_P (GET_MODE (in_rtx)))
|
|
{
|
|
char s[60];
|
|
|
|
real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
|
|
sizeof (s), 0, 1);
|
|
fprintf (outfile, " %s", s);
|
|
|
|
real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
|
|
sizeof (s), 0, 1);
|
|
fprintf (outfile, " [%s]", s);
|
|
}
|
|
break;
|
|
|
|
case CONST_WIDE_INT:
|
|
fprintf (outfile, " ");
|
|
cwi_output_hex (outfile, in_rtx);
|
|
break;
|
|
#endif
|
|
|
|
case CODE_LABEL:
|
|
fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
|
|
switch (LABEL_KIND (in_rtx))
|
|
{
|
|
case LABEL_NORMAL: break;
|
|
case LABEL_STATIC_ENTRY: fputs (" [entry]", outfile); break;
|
|
case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", outfile); break;
|
|
case LABEL_WEAK_ENTRY: fputs (" [weak entry]", outfile); break;
|
|
default: gcc_unreachable ();
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
fputc (')', outfile);
|
|
sawclose = 1;
|
|
}
|
|
|
|
/* Print an rtx on the current line of FILE. Initially indent IND
|
|
characters. */
|
|
|
|
void
|
|
print_inline_rtx (FILE *outf, const_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. */
|
|
|
|
DEBUG_FUNCTION void
|
|
debug_rtx (const_rtx x)
|
|
{
|
|
outfile = stderr;
|
|
sawclose = 0;
|
|
print_rtx (x);
|
|
fprintf (stderr, "\n");
|
|
}
|
|
|
|
/* Dump rtx REF. */
|
|
|
|
DEBUG_FUNCTION void
|
|
debug (const rtx_def &ref)
|
|
{
|
|
debug_rtx (&ref);
|
|
}
|
|
|
|
DEBUG_FUNCTION void
|
|
debug (const rtx_def *ptr)
|
|
{
|
|
if (ptr)
|
|
debug (*ptr);
|
|
else
|
|
fprintf (stderr, "<nil>\n");
|
|
}
|
|
|
|
/* Count of rtx's to print with debug_rtx_list.
|
|
This global exists because gdb user defined commands have no arguments. */
|
|
|
|
DEBUG_VARIABLE 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_insn on. Negative values print a window around the rtx_insn.
|
|
EG: -5 prints 2 rtx_insn's on either side (in addition to the specified
|
|
rtx_insn). */
|
|
|
|
DEBUG_FUNCTION void
|
|
debug_rtx_list (const rtx_insn *x, int n)
|
|
{
|
|
int i,count;
|
|
const rtx_insn *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_insn list from START to END
|
|
inclusive. */
|
|
|
|
DEBUG_FUNCTION void
|
|
debug_rtx_range (const rtx_insn *start, const rtx_insn *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_insn 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. */
|
|
|
|
DEBUG_FUNCTION const rtx_insn *
|
|
debug_rtx_find (const rtx_insn *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, const_rtx rtx_first)
|
|
{
|
|
const rtx_insn *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 JUMP_TABLE_DATA:
|
|
case BARRIER:
|
|
for (tmp_rtx = as_a <const rtx_insn *> (rtx_first);
|
|
tmp_rtx != 0;
|
|
tmp_rtx = NEXT_INSN (tmp_rtx))
|
|
{
|
|
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, const_rtx x)
|
|
{
|
|
return print_rtl_single_with_indent (outf, x, 0);
|
|
}
|
|
|
|
/* Like print_rtl_single, except specify a file and indentation. */
|
|
|
|
int
|
|
print_rtl_single_with_indent (FILE *outf, const_rtx x, int ind)
|
|
{
|
|
int old_indent = indent;
|
|
char *s_indent = (char *) alloca ((size_t) ind + 1);
|
|
memset ((void *) s_indent, ' ', (size_t) ind);
|
|
s_indent[ind] = '\0';
|
|
|
|
indent = ind;
|
|
outfile = outf;
|
|
sawclose = 0;
|
|
fputs (s_indent, outfile);
|
|
fputs (print_rtx_head, outfile);
|
|
print_rtx (x);
|
|
putc ('\n', outf);
|
|
indent = old_indent;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* 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, const_rtx x)
|
|
{
|
|
flag_simple = 1;
|
|
print_rtl (outf, x);
|
|
flag_simple = 0;
|
|
}
|
|
|
|
/* Print the elements of VEC to FILE. */
|
|
|
|
void
|
|
print_rtx_insn_vec (FILE *file, const vec<rtx_insn *> &vec)
|
|
{
|
|
fputc('{', file);
|
|
|
|
unsigned int len = vec.length ();
|
|
for (unsigned int i = 0; i < len; i++)
|
|
{
|
|
print_rtl (file, vec[i]);
|
|
if (i < len - 1)
|
|
fputs (", ", file);
|
|
}
|
|
|
|
fputc ('}', file);
|
|
}
|
|
|
|
#ifndef GENERATOR_FILE
|
|
/* The functions below try to print RTL in a form resembling assembler
|
|
mnemonics. Because this form is more concise than the "traditional" form
|
|
of RTL printing in Lisp-style, the form printed by this file is called
|
|
"slim". RTL dumps in slim format can be obtained by appending the "-slim"
|
|
option to -fdump-rtl-<pass>. Control flow graph output as a DOT file is
|
|
always printed in slim form.
|
|
|
|
The normal interface to the functionality provided in this pretty-printer
|
|
is through the dump_*_slim functions to print to a stream, or via the
|
|
print_*_slim functions to print into a user's pretty-printer.
|
|
|
|
It is also possible to obtain a string for a single pattern as a string
|
|
pointer, via str_pattern_slim, but this usage is discouraged. */
|
|
|
|
/* For insns we print patterns, and for some patterns we print insns... */
|
|
static void print_insn_with_notes (pretty_printer *, const rtx_insn *);
|
|
|
|
/* This recognizes rtx'en classified as expressions. These are always
|
|
represent some action on values or results of other expression, that
|
|
may be stored in objects representing values. */
|
|
|
|
static void
|
|
print_exp (pretty_printer *pp, const_rtx x, int verbose)
|
|
{
|
|
const char *st[4];
|
|
const char *fun;
|
|
rtx op[4];
|
|
int i;
|
|
|
|
fun = (char *) 0;
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
st[i] = (char *) 0;
|
|
op[i] = NULL_RTX;
|
|
}
|
|
|
|
switch (GET_CODE (x))
|
|
{
|
|
case PLUS:
|
|
op[0] = XEXP (x, 0);
|
|
if (CONST_INT_P (XEXP (x, 1))
|
|
&& INTVAL (XEXP (x, 1)) < 0)
|
|
{
|
|
st[1] = "-";
|
|
op[1] = GEN_INT (-INTVAL (XEXP (x, 1)));
|
|
}
|
|
else
|
|
{
|
|
st[1] = "+";
|
|
op[1] = XEXP (x, 1);
|
|
}
|
|
break;
|
|
case LO_SUM:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "+low(";
|
|
op[1] = XEXP (x, 1);
|
|
st[2] = ")";
|
|
break;
|
|
case MINUS:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "-";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case COMPARE:
|
|
fun = "cmp";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case NEG:
|
|
st[0] = "-";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case FMA:
|
|
st[0] = "{";
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "*";
|
|
op[1] = XEXP (x, 1);
|
|
st[2] = "+";
|
|
op[2] = XEXP (x, 2);
|
|
st[3] = "}";
|
|
break;
|
|
case MULT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "*";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case DIV:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "/";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case UDIV:
|
|
fun = "udiv";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case MOD:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "%";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case UMOD:
|
|
fun = "umod";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case SMIN:
|
|
fun = "smin";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case SMAX:
|
|
fun = "smax";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case UMIN:
|
|
fun = "umin";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case UMAX:
|
|
fun = "umax";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case NOT:
|
|
st[0] = "!";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case AND:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "&";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case IOR:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "|";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case XOR:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "^";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case ASHIFT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "<<";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case LSHIFTRT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = " 0>>";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case ASHIFTRT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = ">>";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case ROTATE:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "<-<";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case ROTATERT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = ">->";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case NE:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "!=";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case EQ:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "==";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case GE:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = ">=";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case GT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = ">";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case LE:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "<=";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case LT:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "<";
|
|
op[1] = XEXP (x, 1);
|
|
break;
|
|
case SIGN_EXTRACT:
|
|
fun = (verbose) ? "sign_extract" : "sxt";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
op[2] = XEXP (x, 2);
|
|
break;
|
|
case ZERO_EXTRACT:
|
|
fun = (verbose) ? "zero_extract" : "zxt";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
op[2] = XEXP (x, 2);
|
|
break;
|
|
case SIGN_EXTEND:
|
|
fun = (verbose) ? "sign_extend" : "sxn";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case ZERO_EXTEND:
|
|
fun = (verbose) ? "zero_extend" : "zxn";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case FLOAT_EXTEND:
|
|
fun = (verbose) ? "float_extend" : "fxn";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case TRUNCATE:
|
|
fun = (verbose) ? "trunc" : "trn";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case FLOAT_TRUNCATE:
|
|
fun = (verbose) ? "float_trunc" : "ftr";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case FLOAT:
|
|
fun = (verbose) ? "float" : "flt";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case UNSIGNED_FLOAT:
|
|
fun = (verbose) ? "uns_float" : "ufl";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case FIX:
|
|
fun = "fix";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case UNSIGNED_FIX:
|
|
fun = (verbose) ? "uns_fix" : "ufx";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case PRE_DEC:
|
|
st[0] = "--";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case PRE_INC:
|
|
st[0] = "++";
|
|
op[0] = XEXP (x, 0);
|
|
break;
|
|
case POST_DEC:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "--";
|
|
break;
|
|
case POST_INC:
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = "++";
|
|
break;
|
|
case PRE_MODIFY:
|
|
st[0] = "pre ";
|
|
op[0] = XEXP (XEXP (x, 1), 0);
|
|
st[1] = "+=";
|
|
op[1] = XEXP (XEXP (x, 1), 1);
|
|
break;
|
|
case POST_MODIFY:
|
|
st[0] = "post ";
|
|
op[0] = XEXP (XEXP (x, 1), 0);
|
|
st[1] = "+=";
|
|
op[1] = XEXP (XEXP (x, 1), 1);
|
|
break;
|
|
case CALL:
|
|
st[0] = "call ";
|
|
op[0] = XEXP (x, 0);
|
|
if (verbose)
|
|
{
|
|
st[1] = " argc:";
|
|
op[1] = XEXP (x, 1);
|
|
}
|
|
break;
|
|
case IF_THEN_ELSE:
|
|
st[0] = "{(";
|
|
op[0] = XEXP (x, 0);
|
|
st[1] = ")?";
|
|
op[1] = XEXP (x, 1);
|
|
st[2] = ":";
|
|
op[2] = XEXP (x, 2);
|
|
st[3] = "}";
|
|
break;
|
|
case TRAP_IF:
|
|
fun = "trap_if";
|
|
op[0] = TRAP_CONDITION (x);
|
|
break;
|
|
case PREFETCH:
|
|
fun = "prefetch";
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
op[2] = XEXP (x, 2);
|
|
break;
|
|
case UNSPEC:
|
|
case UNSPEC_VOLATILE:
|
|
{
|
|
pp_string (pp, "unspec");
|
|
if (GET_CODE (x) == UNSPEC_VOLATILE)
|
|
pp_string (pp, "/v");
|
|
pp_left_bracket (pp);
|
|
for (i = 0; i < XVECLEN (x, 0); i++)
|
|
{
|
|
if (i != 0)
|
|
pp_comma (pp);
|
|
print_pattern (pp, XVECEXP (x, 0, i), verbose);
|
|
}
|
|
pp_string (pp, "] ");
|
|
pp_decimal_int (pp, XINT (x, 1));
|
|
}
|
|
break;
|
|
default:
|
|
{
|
|
/* Most unhandled codes can be printed as pseudo-functions. */
|
|
if (GET_RTX_CLASS (GET_CODE (x)) == RTX_UNARY)
|
|
{
|
|
fun = GET_RTX_NAME (GET_CODE (x));
|
|
op[0] = XEXP (x, 0);
|
|
}
|
|
else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_COMPARE
|
|
|| GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_COMPARE
|
|
|| GET_RTX_CLASS (GET_CODE (x)) == RTX_BIN_ARITH
|
|
|| GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_ARITH)
|
|
{
|
|
fun = GET_RTX_NAME (GET_CODE (x));
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
}
|
|
else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_TERNARY)
|
|
{
|
|
fun = GET_RTX_NAME (GET_CODE (x));
|
|
op[0] = XEXP (x, 0);
|
|
op[1] = XEXP (x, 1);
|
|
op[2] = XEXP (x, 2);
|
|
}
|
|
else
|
|
/* Give up, just print the RTX name. */
|
|
st[0] = GET_RTX_NAME (GET_CODE (x));
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* Print this as a function? */
|
|
if (fun)
|
|
{
|
|
pp_string (pp, fun);
|
|
pp_left_paren (pp);
|
|
}
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (st[i])
|
|
pp_string (pp, st[i]);
|
|
|
|
if (op[i])
|
|
{
|
|
if (fun && i != 0)
|
|
pp_comma (pp);
|
|
print_value (pp, op[i], verbose);
|
|
}
|
|
}
|
|
|
|
if (fun)
|
|
pp_right_paren (pp);
|
|
} /* print_exp */
|
|
|
|
/* Prints rtxes, I customarily classified as values. They're constants,
|
|
registers, labels, symbols and memory accesses. */
|
|
|
|
void
|
|
print_value (pretty_printer *pp, const_rtx x, int verbose)
|
|
{
|
|
char tmp[1024];
|
|
|
|
if (!x)
|
|
{
|
|
pp_string (pp, "(nil)");
|
|
return;
|
|
}
|
|
switch (GET_CODE (x))
|
|
{
|
|
case CONST_INT:
|
|
pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
|
|
(unsigned HOST_WIDE_INT) INTVAL (x));
|
|
break;
|
|
|
|
case CONST_WIDE_INT:
|
|
{
|
|
const char *sep = "<";
|
|
int i;
|
|
for (i = CONST_WIDE_INT_NUNITS (x) - 1; i >= 0; i--)
|
|
{
|
|
pp_string (pp, sep);
|
|
sep = ",";
|
|
sprintf (tmp, HOST_WIDE_INT_PRINT_HEX,
|
|
(unsigned HOST_WIDE_INT) CONST_WIDE_INT_ELT (x, i));
|
|
pp_string (pp, tmp);
|
|
}
|
|
pp_greater (pp);
|
|
}
|
|
break;
|
|
|
|
case CONST_DOUBLE:
|
|
if (FLOAT_MODE_P (GET_MODE (x)))
|
|
{
|
|
real_to_decimal (tmp, CONST_DOUBLE_REAL_VALUE (x),
|
|
sizeof (tmp), 0, 1);
|
|
pp_string (pp, tmp);
|
|
}
|
|
else
|
|
pp_printf (pp, "<%wx,%wx>",
|
|
(unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
|
|
(unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
|
|
break;
|
|
case CONST_FIXED:
|
|
fixed_to_decimal (tmp, CONST_FIXED_VALUE (x), sizeof (tmp));
|
|
pp_string (pp, tmp);
|
|
break;
|
|
case CONST_STRING:
|
|
pp_printf (pp, "\"%s\"", XSTR (x, 0));
|
|
break;
|
|
case SYMBOL_REF:
|
|
pp_printf (pp, "`%s'", XSTR (x, 0));
|
|
break;
|
|
case LABEL_REF:
|
|
pp_printf (pp, "L%d", INSN_UID (LABEL_REF_LABEL (x)));
|
|
break;
|
|
case CONST:
|
|
case HIGH:
|
|
case STRICT_LOW_PART:
|
|
pp_printf (pp, "%s(", GET_RTX_NAME (GET_CODE (x)));
|
|
print_value (pp, XEXP (x, 0), verbose);
|
|
pp_right_paren (pp);
|
|
break;
|
|
case REG:
|
|
if (REGNO (x) < FIRST_PSEUDO_REGISTER)
|
|
{
|
|
if (ISDIGIT (reg_names[REGNO (x)][0]))
|
|
pp_modulo (pp);
|
|
pp_string (pp, reg_names[REGNO (x)]);
|
|
}
|
|
else
|
|
pp_printf (pp, "r%d", REGNO (x));
|
|
if (verbose)
|
|
pp_printf (pp, ":%s", GET_MODE_NAME (GET_MODE (x)));
|
|
break;
|
|
case SUBREG:
|
|
print_value (pp, SUBREG_REG (x), verbose);
|
|
pp_printf (pp, "#%d", SUBREG_BYTE (x));
|
|
break;
|
|
case SCRATCH:
|
|
case CC0:
|
|
case PC:
|
|
pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
|
|
break;
|
|
case MEM:
|
|
pp_left_bracket (pp);
|
|
print_value (pp, XEXP (x, 0), verbose);
|
|
pp_right_bracket (pp);
|
|
break;
|
|
case DEBUG_EXPR:
|
|
pp_printf (pp, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
|
|
break;
|
|
default:
|
|
print_exp (pp, x, verbose);
|
|
break;
|
|
}
|
|
} /* print_value */
|
|
|
|
/* The next step in insn detalization, its pattern recognition. */
|
|
|
|
void
|
|
print_pattern (pretty_printer *pp, const_rtx x, int verbose)
|
|
{
|
|
if (! x)
|
|
{
|
|
pp_string (pp, "(nil)");
|
|
return;
|
|
}
|
|
|
|
switch (GET_CODE (x))
|
|
{
|
|
case SET:
|
|
print_value (pp, SET_DEST (x), verbose);
|
|
pp_equal (pp);
|
|
print_value (pp, SET_SRC (x), verbose);
|
|
break;
|
|
case RETURN:
|
|
case SIMPLE_RETURN:
|
|
case EH_RETURN:
|
|
pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
|
|
break;
|
|
case CALL:
|
|
print_exp (pp, x, verbose);
|
|
break;
|
|
case CLOBBER:
|
|
case USE:
|
|
pp_printf (pp, "%s ", GET_RTX_NAME (GET_CODE (x)));
|
|
print_value (pp, XEXP (x, 0), verbose);
|
|
break;
|
|
case VAR_LOCATION:
|
|
pp_string (pp, "loc ");
|
|
print_value (pp, PAT_VAR_LOCATION_LOC (x), verbose);
|
|
break;
|
|
case COND_EXEC:
|
|
pp_left_paren (pp);
|
|
if (GET_CODE (COND_EXEC_TEST (x)) == NE
|
|
&& XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
|
|
print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
|
|
else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
|
|
&& XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
|
|
{
|
|
pp_exclamation (pp);
|
|
print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
|
|
}
|
|
else
|
|
print_value (pp, COND_EXEC_TEST (x), verbose);
|
|
pp_string (pp, ") ");
|
|
print_pattern (pp, COND_EXEC_CODE (x), verbose);
|
|
break;
|
|
case PARALLEL:
|
|
{
|
|
int i;
|
|
|
|
pp_left_brace (pp);
|
|
for (i = 0; i < XVECLEN (x, 0); i++)
|
|
{
|
|
print_pattern (pp, XVECEXP (x, 0, i), verbose);
|
|
pp_semicolon (pp);
|
|
}
|
|
pp_right_brace (pp);
|
|
}
|
|
break;
|
|
case SEQUENCE:
|
|
{
|
|
const rtx_sequence *seq = as_a <const rtx_sequence *> (x);
|
|
pp_string (pp, "sequence{");
|
|
if (INSN_P (seq->element (0)))
|
|
{
|
|
/* Print the sequence insns indented. */
|
|
const char * save_print_rtx_head = print_rtx_head;
|
|
char indented_print_rtx_head[32];
|
|
|
|
pp_newline (pp);
|
|
gcc_assert (strlen (print_rtx_head) < sizeof (indented_print_rtx_head) - 4);
|
|
snprintf (indented_print_rtx_head,
|
|
sizeof (indented_print_rtx_head),
|
|
"%s ", print_rtx_head);
|
|
print_rtx_head = indented_print_rtx_head;
|
|
for (int i = 0; i < seq->len (); i++)
|
|
print_insn_with_notes (pp, seq->insn (i));
|
|
pp_printf (pp, "%s ", save_print_rtx_head);
|
|
print_rtx_head = save_print_rtx_head;
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < seq->len (); i++)
|
|
{
|
|
print_pattern (pp, seq->element (i), verbose);
|
|
pp_semicolon (pp);
|
|
}
|
|
}
|
|
pp_right_brace (pp);
|
|
}
|
|
break;
|
|
case ASM_INPUT:
|
|
pp_printf (pp, "asm {%s}", XSTR (x, 0));
|
|
break;
|
|
case ADDR_VEC:
|
|
for (int i = 0; i < XVECLEN (x, 0); i++)
|
|
{
|
|
print_value (pp, XVECEXP (x, 0, i), verbose);
|
|
pp_semicolon (pp);
|
|
}
|
|
break;
|
|
case ADDR_DIFF_VEC:
|
|
for (int i = 0; i < XVECLEN (x, 1); i++)
|
|
{
|
|
print_value (pp, XVECEXP (x, 1, i), verbose);
|
|
pp_semicolon (pp);
|
|
}
|
|
break;
|
|
case TRAP_IF:
|
|
pp_string (pp, "trap_if ");
|
|
print_value (pp, TRAP_CONDITION (x), verbose);
|
|
break;
|
|
case UNSPEC:
|
|
case UNSPEC_VOLATILE:
|
|
/* Fallthru -- leave UNSPECs to print_exp. */
|
|
default:
|
|
print_value (pp, x, verbose);
|
|
}
|
|
} /* print_pattern */
|
|
|
|
/* This is the main function in slim rtl visualization mechanism.
|
|
|
|
X is an insn, to be printed into PP.
|
|
|
|
This function tries to print it properly in human-readable form,
|
|
resembling assembler mnemonics (instead of the older Lisp-style
|
|
form).
|
|
|
|
If VERBOSE is TRUE, insns are printed with more complete (but
|
|
longer) pattern names and with extra information, and prefixed
|
|
with their INSN_UIDs. */
|
|
|
|
void
|
|
print_insn (pretty_printer *pp, const rtx_insn *x, int verbose)
|
|
{
|
|
if (verbose)
|
|
{
|
|
/* Blech, pretty-print can't print integers with a specified width. */
|
|
char uid_prefix[32];
|
|
snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
|
|
pp_string (pp, uid_prefix);
|
|
}
|
|
|
|
switch (GET_CODE (x))
|
|
{
|
|
case INSN:
|
|
print_pattern (pp, PATTERN (x), verbose);
|
|
break;
|
|
|
|
case DEBUG_INSN:
|
|
{
|
|
const char *name = "?";
|
|
|
|
if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
|
|
{
|
|
tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
|
|
char idbuf[32];
|
|
if (id)
|
|
name = IDENTIFIER_POINTER (id);
|
|
else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
|
|
== DEBUG_EXPR_DECL)
|
|
{
|
|
sprintf (idbuf, "D#%i",
|
|
DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (x)));
|
|
name = idbuf;
|
|
}
|
|
else
|
|
{
|
|
sprintf (idbuf, "D.%i",
|
|
DECL_UID (INSN_VAR_LOCATION_DECL (x)));
|
|
name = idbuf;
|
|
}
|
|
}
|
|
pp_printf (pp, "debug %s => ", name);
|
|
if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
|
|
pp_string (pp, "optimized away");
|
|
else
|
|
print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
|
|
}
|
|
break;
|
|
|
|
case JUMP_INSN:
|
|
print_pattern (pp, PATTERN (x), verbose);
|
|
break;
|
|
case CALL_INSN:
|
|
if (GET_CODE (PATTERN (x)) == PARALLEL)
|
|
print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
|
|
else
|
|
print_pattern (pp, PATTERN (x), verbose);
|
|
break;
|
|
case CODE_LABEL:
|
|
pp_printf (pp, "L%d:", INSN_UID (x));
|
|
break;
|
|
case JUMP_TABLE_DATA:
|
|
pp_string (pp, "jump_table_data{\n");
|
|
print_pattern (pp, PATTERN (x), verbose);
|
|
pp_right_brace (pp);
|
|
break;
|
|
case BARRIER:
|
|
pp_string (pp, "barrier");
|
|
break;
|
|
case NOTE:
|
|
{
|
|
pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
|
|
switch (NOTE_KIND (x))
|
|
{
|
|
case NOTE_INSN_EH_REGION_BEG:
|
|
case NOTE_INSN_EH_REGION_END:
|
|
pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
|
|
break;
|
|
|
|
case NOTE_INSN_BLOCK_BEG:
|
|
case NOTE_INSN_BLOCK_END:
|
|
pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
|
|
break;
|
|
|
|
case NOTE_INSN_BASIC_BLOCK:
|
|
pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
|
|
break;
|
|
|
|
case NOTE_INSN_DELETED_LABEL:
|
|
case NOTE_INSN_DELETED_DEBUG_LABEL:
|
|
{
|
|
const char *label = NOTE_DELETED_LABEL_NAME (x);
|
|
if (label == NULL)
|
|
label = "";
|
|
pp_printf (pp, " (\"%s\")", label);
|
|
}
|
|
break;
|
|
|
|
case NOTE_INSN_VAR_LOCATION:
|
|
case NOTE_INSN_CALL_ARG_LOCATION:
|
|
pp_left_brace (pp);
|
|
print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
|
|
pp_right_brace (pp);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
gcc_unreachable ();
|
|
}
|
|
} /* print_insn */
|
|
|
|
/* Pretty-print a slim dump of X (an insn) to PP, including any register
|
|
note attached to the instruction. */
|
|
|
|
static void
|
|
print_insn_with_notes (pretty_printer *pp, const rtx_insn *x)
|
|
{
|
|
pp_string (pp, print_rtx_head);
|
|
print_insn (pp, x, 1);
|
|
pp_newline (pp);
|
|
if (INSN_P (x) && REG_NOTES (x))
|
|
for (rtx note = REG_NOTES (x); note; note = XEXP (note, 1))
|
|
{
|
|
pp_printf (pp, "%s %s ", print_rtx_head,
|
|
GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
|
|
if (GET_CODE (note) == INT_LIST)
|
|
pp_printf (pp, "%d", XINT (note, 0));
|
|
else
|
|
print_pattern (pp, XEXP (note, 0), 1);
|
|
pp_newline (pp);
|
|
}
|
|
}
|
|
|
|
/* Print X, an RTL value node, to file F in slim format. Include
|
|
additional information if VERBOSE is nonzero.
|
|
|
|
Value nodes are constants, registers, labels, symbols and
|
|
memory. */
|
|
|
|
void
|
|
dump_value_slim (FILE *f, const_rtx x, int verbose)
|
|
{
|
|
pretty_printer rtl_slim_pp;
|
|
rtl_slim_pp.buffer->stream = f;
|
|
print_value (&rtl_slim_pp, x, verbose);
|
|
pp_flush (&rtl_slim_pp);
|
|
}
|
|
|
|
/* Emit a slim dump of X (an insn) to the file F, including any register
|
|
note attached to the instruction. */
|
|
void
|
|
dump_insn_slim (FILE *f, const rtx_insn *x)
|
|
{
|
|
pretty_printer rtl_slim_pp;
|
|
rtl_slim_pp.buffer->stream = f;
|
|
print_insn_with_notes (&rtl_slim_pp, x);
|
|
pp_flush (&rtl_slim_pp);
|
|
}
|
|
|
|
/* Same as above, but stop at LAST or when COUNT == 0.
|
|
If COUNT < 0 it will stop only at LAST or NULL rtx. */
|
|
|
|
void
|
|
dump_rtl_slim (FILE *f, const rtx_insn *first, const rtx_insn *last,
|
|
int count, int flags ATTRIBUTE_UNUSED)
|
|
{
|
|
const rtx_insn *insn, *tail;
|
|
pretty_printer rtl_slim_pp;
|
|
rtl_slim_pp.buffer->stream = f;
|
|
|
|
tail = last ? NEXT_INSN (last) : NULL;
|
|
for (insn = first;
|
|
(insn != NULL) && (insn != tail) && (count != 0);
|
|
insn = NEXT_INSN (insn))
|
|
{
|
|
print_insn_with_notes (&rtl_slim_pp, insn);
|
|
if (count > 0)
|
|
count--;
|
|
}
|
|
|
|
pp_flush (&rtl_slim_pp);
|
|
}
|
|
|
|
/* Dumps basic block BB to pretty-printer PP in slim form and without and
|
|
no indentation, for use as a label of a DOT graph record-node. */
|
|
|
|
void
|
|
rtl_dump_bb_for_graph (pretty_printer *pp, basic_block bb)
|
|
{
|
|
rtx_insn *insn;
|
|
bool first = true;
|
|
|
|
/* TODO: inter-bb stuff. */
|
|
FOR_BB_INSNS (bb, insn)
|
|
{
|
|
if (! first)
|
|
{
|
|
pp_bar (pp);
|
|
pp_write_text_to_stream (pp);
|
|
}
|
|
first = false;
|
|
print_insn_with_notes (pp, insn);
|
|
pp_write_text_as_dot_label_to_stream (pp, /*for_record=*/true);
|
|
}
|
|
}
|
|
|
|
/* Pretty-print pattern X of some insn in non-verbose mode.
|
|
Return a string pointer to the pretty-printer buffer.
|
|
|
|
This function is only exported exists only to accommodate some older users
|
|
of the slim RTL pretty printers. Please do not use it for new code. */
|
|
|
|
const char *
|
|
str_pattern_slim (const_rtx x)
|
|
{
|
|
pretty_printer rtl_slim_pp;
|
|
print_pattern (&rtl_slim_pp, x, 0);
|
|
return ggc_strdup (pp_formatted_text (&rtl_slim_pp));
|
|
}
|
|
|
|
/* Emit a slim dump of X (an insn) to stderr. */
|
|
extern void debug_insn_slim (const rtx_insn *);
|
|
DEBUG_FUNCTION void
|
|
debug_insn_slim (const rtx_insn *x)
|
|
{
|
|
dump_insn_slim (stderr, x);
|
|
}
|
|
|
|
/* Same as above, but using dump_rtl_slim. */
|
|
extern void debug_rtl_slim (FILE *, const rtx_insn *, const rtx_insn *,
|
|
int, int);
|
|
DEBUG_FUNCTION void
|
|
debug_rtl_slim (const rtx_insn *first, const rtx_insn *last, int count,
|
|
int flags)
|
|
{
|
|
dump_rtl_slim (stderr, first, last, count, flags);
|
|
}
|
|
|
|
extern void debug_bb_slim (basic_block);
|
|
DEBUG_FUNCTION void
|
|
debug_bb_slim (basic_block bb)
|
|
{
|
|
dump_bb (stderr, bb, 0, TDF_SLIM | TDF_BLOCKS);
|
|
}
|
|
|
|
extern void debug_bb_n_slim (int);
|
|
DEBUG_FUNCTION void
|
|
debug_bb_n_slim (int n)
|
|
{
|
|
basic_block bb = BASIC_BLOCK_FOR_FN (cfun, n);
|
|
debug_bb_slim (bb);
|
|
}
|
|
|
|
#endif
|