/* Instruction scheduling pass. This file computes dependencies between
instructions.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
and currently maintained by, Jim Wilson (wilson@cygnus.com)
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
\f
#include "config.h"
#include "system.h"
#include "sched-int.h"
#include "params.h"
#include "cselib.h"
-#include "df.h"
#ifdef ENABLE_CHECKING
#define CHECK (true)
{
rtx cond1, cond2;
- /* flow.c doesn't handle conditional lifetimes entirely correctly;
+ /* df doesn't handle conditional lifetimes entirely correctly;
calls mess up the conditional lifetimes. */
if (!CALL_P (insn1) && !CALL_P (insn2))
{
if (INSN_P (insn))
{
- /* Clear out the stale LOG_LINKS from flow. */
- free_INSN_LIST_list (&LOG_LINKS (insn));
-
/* These two lists will be freed in schedule_insn (). */
INSN_BACK_DEPS (insn) = create_deps_list (false);
INSN_RESOLVED_BACK_DEPS (insn) = create_deps_list (false);