/* Store motion via Lazy Code Motion on the reverse CFG.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
#include "regs.h"
#include "hard-reg-set.h"
#include "flags.h"
-#include "real.h"
#include "insn-config.h"
#include "recog.h"
#include "basic-block.h"
}
/* Helper for extract_mentioned_regs. */
-
+
static int
extract_mentioned_regs_1 (rtx *loc, void *data)
{
{
const_rtx reg, base, note, pat;
- if (!INSN_P (insn))
+ if (! NONDEBUG_INSN_P (insn))
return false;
if (CALL_P (insn))
FOR_BB_INSNS (bb, insn)
{
- if (! INSN_P (insn))
+ if (! NONDEBUG_INSN_P (insn))
continue;
for (def_rec = DF_INSN_DEFS (insn); *def_rec; def_rec++)
memset (already_set, 0, sizeof (int) * max_gcse_regno);
FOR_BB_INSNS (bb, insn)
{
- if (! INSN_P (insn))
+ if (! NONDEBUG_INSN_P (insn))
continue;
for (def_rec = DF_INSN_DEFS (insn); *def_rec; def_rec++)
if (!(tmp->flags & EDGE_FAKE))
{
int index = EDGE_INDEX (edge_list, tmp->src, tmp->dest);
-
+
gcc_assert (index != EDGE_INDEX_NO_EDGE);
if (! TEST_BIT (st_insert_map[index], expr->index))
break;
last = NEXT_INSN (BB_END (bb));
for (insn = BB_HEAD (bb); insn != last; insn = NEXT_INSN (insn))
- if (INSN_P (insn))
+ if (NONDEBUG_INSN_P (insn))
{
note = find_reg_equal_equiv_note (insn);
if (!note || !exp_equiv_p (XEXP (note, 0), mem, 0, true))
they are no longer accurate provided that they are reached by this
definition, so drop them. */
for (; insn != NEXT_INSN (BB_END (bb)); insn = NEXT_INSN (insn))
- if (INSN_P (insn))
+ if (NONDEBUG_INSN_P (insn))
{
set = single_set (insn);
if (!set)
FOR_EACH_BB (bb)
{
+ memset (regs_set_in_block, 0, sizeof (int) * max_gcse_regno);
+
FOR_BB_INSNS (bb, insn)
- if (INSN_P (insn))
+ if (NONDEBUG_INSN_P (insn))
{
df_ref *def_rec;
for (def_rec = DF_INSN_DEFS (insn); *def_rec; def_rec++)
INDEX_EDGE (edge_list, x)->dest->index);
continue;
}
-
+
/* Now we want to insert the new stores which are going to be needed. */
FOR_EACH_BB (bb)
execute_rtl_store_motion (void)
{
delete_unreachable_blocks ();
- df_note_add_problem ();
df_analyze ();
flag_rerun_cse_after_global_opts |= one_store_motion_pass ();
return 0;
{
RTL_PASS,
"store_motion", /* name */
- gate_rtl_store_motion, /* gate */
- execute_rtl_store_motion, /* execute */
+ gate_rtl_store_motion, /* gate */
+ execute_rtl_store_motion, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */