/* Generic partial redundancy elimination with lazy code motion support.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
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
+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/>. */
/* These routines are meant to be used by various optimization
passes which can be modeled as lazy code motion problems.
static void
compute_insert_delete (struct edge_list *edge_list, sbitmap *antloc,
sbitmap *later, sbitmap *laterin, sbitmap *insert,
- sbitmap *delete)
+ sbitmap *del)
{
int x;
basic_block bb;
FOR_EACH_BB (bb)
- sbitmap_difference (delete[bb->index], antloc[bb->index],
+ sbitmap_difference (del[bb->index], antloc[bb->index],
laterin[bb->index]);
for (x = 0; x < NUM_EDGES (edge_list); x++)
map the insert vector to what edge an expression should be inserted on. */
struct edge_list *
-pre_edge_lcm (FILE *file ATTRIBUTE_UNUSED, int n_exprs, sbitmap *transp,
+pre_edge_lcm (int n_exprs, sbitmap *transp,
sbitmap *avloc, sbitmap *antloc, sbitmap *kill,
- sbitmap **insert, sbitmap **delete)
+ sbitmap **insert, sbitmap **del)
{
sbitmap *antin, *antout, *earliest;
sbitmap *avin, *avout;
num_edges = NUM_EDGES (edge_list);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- fprintf (file, "Edge List:\n");
- verify_edge_list (file, edge_list);
- print_edge_list (file, edge_list);
- dump_sbitmap_vector (file, "transp", "", transp, last_basic_block);
- dump_sbitmap_vector (file, "antloc", "", antloc, last_basic_block);
- dump_sbitmap_vector (file, "avloc", "", avloc, last_basic_block);
- dump_sbitmap_vector (file, "kill", "", kill, last_basic_block);
+ fprintf (dump_file, "Edge List:\n");
+ verify_edge_list (dump_file, edge_list);
+ print_edge_list (dump_file, edge_list);
+ dump_sbitmap_vector (dump_file, "transp", "", transp, last_basic_block);
+ dump_sbitmap_vector (dump_file, "antloc", "", antloc, last_basic_block);
+ dump_sbitmap_vector (dump_file, "avloc", "", avloc, last_basic_block);
+ dump_sbitmap_vector (dump_file, "kill", "", kill, last_basic_block);
}
#endif
compute_antinout_edge (antloc, transp, antin, antout);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "antin", "", antin, last_basic_block);
- dump_sbitmap_vector (file, "antout", "", antout, last_basic_block);
+ dump_sbitmap_vector (dump_file, "antin", "", antin, last_basic_block);
+ dump_sbitmap_vector (dump_file, "antout", "", antout, last_basic_block);
}
#endif
compute_earliest (edge_list, n_exprs, antin, antout, avout, kill, earliest);
#ifdef LCM_DEBUG_INFO
- if (file)
- dump_sbitmap_vector (file, "earliest", "", earliest, num_edges);
+ if (dump_file)
+ dump_sbitmap_vector (dump_file, "earliest", "", earliest, num_edges);
#endif
sbitmap_vector_free (antout);
compute_laterin (edge_list, earliest, antloc, later, laterin);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "laterin", "", laterin, last_basic_block + 1);
- dump_sbitmap_vector (file, "later", "", later, num_edges);
+ dump_sbitmap_vector (dump_file, "laterin", "", laterin, last_basic_block + 1);
+ dump_sbitmap_vector (dump_file, "later", "", later, num_edges);
}
#endif
sbitmap_vector_free (earliest);
*insert = sbitmap_vector_alloc (num_edges, n_exprs);
- *delete = sbitmap_vector_alloc (last_basic_block, n_exprs);
- compute_insert_delete (edge_list, antloc, later, laterin, *insert, *delete);
+ *del = sbitmap_vector_alloc (last_basic_block, n_exprs);
+ compute_insert_delete (edge_list, antloc, later, laterin, *insert, *del);
sbitmap_vector_free (laterin);
sbitmap_vector_free (later);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "pre_insert_map", "", *insert, num_edges);
- dump_sbitmap_vector (file, "pre_delete_map", "", *delete,
+ dump_sbitmap_vector (dump_file, "pre_insert_map", "", *insert, num_edges);
+ dump_sbitmap_vector (dump_file, "pre_delete_map", "", *del,
last_basic_block);
}
#endif
/* Allocate a worklist array/queue. Entries are only added to the
list if they were not already on the list. So the size is
bounded by the number of basic blocks. */
- qin = qout = worklist =
+ qin = qout = worklist =
XNEWVEC (basic_block, n_basic_blocks - NUM_FIXED_BLOCKS);
/* We want a maximal solution. */
static void
compute_rev_insert_delete (struct edge_list *edge_list, sbitmap *st_avloc,
sbitmap *nearer, sbitmap *nearerout,
- sbitmap *insert, sbitmap *delete)
+ sbitmap *insert, sbitmap *del)
{
int x;
basic_block bb;
FOR_EACH_BB (bb)
- sbitmap_difference (delete[bb->index], st_avloc[bb->index],
+ sbitmap_difference (del[bb->index], st_avloc[bb->index],
nearerout[bb->index]);
for (x = 0; x < NUM_EDGES (edge_list); x++)
an expression should be inserted on. */
struct edge_list *
-pre_edge_rev_lcm (FILE *file ATTRIBUTE_UNUSED, int n_exprs, sbitmap *transp,
+pre_edge_rev_lcm (int n_exprs, sbitmap *transp,
sbitmap *st_avloc, sbitmap *st_antloc, sbitmap *kill,
- sbitmap **insert, sbitmap **delete)
+ sbitmap **insert, sbitmap **del)
{
sbitmap *st_antin, *st_antout;
sbitmap *st_avout, *st_avin, *farthest;
compute_available (st_avloc, kill, st_avout, st_avin);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- fprintf (file, "Edge List:\n");
- verify_edge_list (file, edge_list);
- print_edge_list (file, edge_list);
- dump_sbitmap_vector (file, "transp", "", transp, last_basic_block);
- dump_sbitmap_vector (file, "st_avloc", "", st_avloc, last_basic_block);
- dump_sbitmap_vector (file, "st_antloc", "", st_antloc, last_basic_block);
- dump_sbitmap_vector (file, "st_antin", "", st_antin, last_basic_block);
- dump_sbitmap_vector (file, "st_antout", "", st_antout, last_basic_block);
- dump_sbitmap_vector (file, "st_kill", "", kill, last_basic_block);
+ fprintf (dump_file, "Edge List:\n");
+ verify_edge_list (dump_file, edge_list);
+ print_edge_list (dump_file, edge_list);
+ dump_sbitmap_vector (dump_file, "transp", "", transp, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_avloc", "", st_avloc, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_antloc", "", st_antloc, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_antin", "", st_antin, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_antout", "", st_antout, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_kill", "", kill, last_basic_block);
}
#endif
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "st_avout", "", st_avout, last_basic_block);
- dump_sbitmap_vector (file, "st_avin", "", st_avin, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_avout", "", st_avout, last_basic_block);
+ dump_sbitmap_vector (dump_file, "st_avin", "", st_avin, last_basic_block);
}
#endif
kill, farthest);
#ifdef LCM_DEBUG_INFO
- if (file)
- dump_sbitmap_vector (file, "farthest", "", farthest, num_edges);
+ if (dump_file)
+ dump_sbitmap_vector (dump_file, "farthest", "", farthest, num_edges);
#endif
sbitmap_vector_free (st_antin);
compute_nearerout (edge_list, farthest, st_avloc, nearer, nearerout);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "nearerout", "", nearerout,
+ dump_sbitmap_vector (dump_file, "nearerout", "", nearerout,
last_basic_block + 1);
- dump_sbitmap_vector (file, "nearer", "", nearer, num_edges);
+ dump_sbitmap_vector (dump_file, "nearer", "", nearer, num_edges);
}
#endif
sbitmap_vector_free (farthest);
*insert = sbitmap_vector_alloc (num_edges, n_exprs);
- *delete = sbitmap_vector_alloc (last_basic_block, n_exprs);
+ *del = sbitmap_vector_alloc (last_basic_block, n_exprs);
compute_rev_insert_delete (edge_list, st_avloc, nearer, nearerout,
- *insert, *delete);
+ *insert, *del);
sbitmap_vector_free (nearerout);
sbitmap_vector_free (nearer);
#ifdef LCM_DEBUG_INFO
- if (file)
+ if (dump_file)
{
- dump_sbitmap_vector (file, "pre_insert_map", "", *insert, num_edges);
- dump_sbitmap_vector (file, "pre_delete_map", "", *delete,
+ dump_sbitmap_vector (dump_file, "pre_insert_map", "", *insert, num_edges);
+ dump_sbitmap_vector (dump_file, "pre_delete_map", "", *del,
last_basic_block);
}
#endif
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