* stor-layout.c (layout_type): Complain if an array's size can

[pf3gnuchains/gcc-fork.git] / gcc / basic-block.h

diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index 8100715..b875494 100644 (file)
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -1,22 +1,22 @@
 /* Define control and data flow tables, and regsets.
    Copyright (C) 1987, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+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.
 
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+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.  */
 
 #ifndef GCC_BASIC_BLOCK_H
 #define GCC_BASIC_BLOCK_H
@@ -218,10 +218,16 @@ typedef struct basic_block_def {
 
   /* Expected frequency.  Normalized to be in range 0 to BB_FREQ_MAX.  */
   int frequency;
+
+  /* Various flags.  See BB_* below.  */
+  int flags;
 } *basic_block;
 
 #define BB_FREQ_MAX 10000
 
+/* Masks for basic_block.flags.  */
+#define BB_REACHABLE           1
+
 /* Number of basic blocks in the current function.  */
 
 extern int n_basic_blocks;
@@ -297,13 +303,14 @@ extern void make_edge                     PARAMS ((sbitmap *, basic_block,
                                                 basic_block, int));
 extern void remove_edge                        PARAMS ((edge));
 extern void redirect_edge_succ         PARAMS ((edge, basic_block));
-extern void redirect_edge_succ_nodup   PARAMS ((edge, basic_block));
+extern edge redirect_edge_succ_nodup   PARAMS ((edge, basic_block));
 extern void redirect_edge_pred         PARAMS ((edge, basic_block));
 extern void create_basic_block         PARAMS ((int, rtx, rtx, rtx));
 extern int flow_delete_block           PARAMS ((basic_block));
 extern void merge_blocks_nomove                PARAMS ((basic_block, basic_block));
 extern void tidy_fallthru_edge         PARAMS ((edge, basic_block,
                                                 basic_block));
+extern void flow_reverse_top_sort_order_compute        PARAMS ((int *));
 extern int flow_depth_first_order_compute      PARAMS ((int *, int *));
 extern void dump_edge_info             PARAMS ((FILE *, edge, int));
 extern void clear_edges                        PARAMS ((void));
@@ -609,14 +616,15 @@ extern void debug_regset          PARAMS ((regset));
 extern void allocate_reg_life_data      PARAMS ((void));
 extern void allocate_bb_life_data      PARAMS ((void));
 extern void find_unreachable_blocks    PARAMS ((void));
+extern void expunge_block              PARAMS ((basic_block));
 extern void delete_noop_moves          PARAMS ((rtx));
 extern rtx last_loop_beg_note          PARAMS ((rtx));
 extern basic_block redirect_edge_and_branch_force PARAMS ((edge, basic_block));
 extern bool redirect_edge_and_branch   PARAMS ((edge, basic_block));
 extern rtx block_label                 PARAMS ((basic_block));
 extern bool forwarder_block_p          PARAMS ((basic_block));
-extern void purge_all_dead_edges       PARAMS ((void));
-extern void purge_dead_edges           PARAMS ((basic_block));
+extern bool purge_all_dead_edges       PARAMS ((void));
+extern bool purge_dead_edges           PARAMS ((basic_block));
 extern void find_sub_basic_blocks      PARAMS ((basic_block));