42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* Basic block reordering routines for the GNU compiler.
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
/* Structure to hold information about the blocks during reordering. */
|
|
typedef struct reorder_block_def
|
|
{
|
|
rtx header;
|
|
rtx footer;
|
|
basic_block next;
|
|
basic_block original;
|
|
|
|
/* These fields are used by bb-reorder pass. */
|
|
int visited;
|
|
} *reorder_block_def;
|
|
|
|
#define RBI(BB) ((reorder_block_def) (BB)->aux)
|
|
|
|
extern void cfg_layout_initialize PARAMS ((void));
|
|
extern void cfg_layout_finalize PARAMS ((void));
|
|
extern bool cfg_layout_can_duplicate_bb_p PARAMS ((basic_block));
|
|
extern basic_block cfg_layout_duplicate_bb PARAMS ((basic_block, edge));
|
|
extern void scope_to_insns_initialize PARAMS ((void));
|
|
extern void scope_to_insns_finalize PARAMS ((void));
|
|
extern void cfg_layout_redirect_edge PARAMS ((edge, basic_block));
|