* Makefile.in (bb-reoder.o): Add depdendency on cfglayout.h;

	remove unneded depdendencies;
	(cfglayout.o): New.
	* cfglayout.c, cfglayout.h: New files; break out from ...
	* bb-reorder.c: ... here; Remove unneeded includes;


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46786 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc/cfglayout.h b/gcc/cfglayout.h
new file mode 100644
index 00000000000..3c59e42ffd6
--- /dev/null
+++ b/gcc/cfglayout.h
@@ -0,0 +1,37 @@
+/* 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.  */
+
+struct scope_def;
+typedef struct scope_def *scope;
+
+/* Structure to hold information about the blocks during reordering.  */
+typedef struct reorder_block_def
+{
+  rtx eff_head;
+  rtx eff_end;
+  scope scope;
+  basic_block next;
+  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));