mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-05 05:10:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

make more vars auto_sbitmaps

Browse Source 
gcc/ChangeLog:

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* ddg.c (find_nodes_on_paths): Use auto_sbitmap.
	(longest_simple_path): Likewise.
	* shrink-wrap.c (spread_components): Likewise.
	(disqualify_problematic_components): Likewise.
	(emit_common_heads_for_components): Likewise.
	(emit_common_tails_for_components): Likewise.
	(insert_prologue_epilogue_for_components): Likewise.

From-SVN: r248025
This commit is contained in:
Trevor Saunders 2017-05-14 00:39:08 +00:00 committed by Trevor Saunders
parent 0236bb0412
commit 8f48c62273
3 changed files with 29 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2017-05-13 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* ddg.c (find_nodes_on_paths): Use auto_sbitmap.
(longest_simple_path): Likewise.
* shrink-wrap.c (spread_components): Likewise.
(disqualify_problematic_components): Likewise.
(emit_common_heads_for_components): Likewise.
(emit_common_tails_for_components): Likewise.
(insert_prologue_epilogue_for_components): Likewise.
2017-05-13 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a

26
gcc/ddg.c
View File

@ -1081,16 +1081,15 @@ free_ddg_all_sccs (ddg_all_sccs_ptr all_sccs)
int
find_nodes_on_paths (sbitmap result, ddg_ptr g, sbitmap from, sbitmap to)
{
int answer;
int change;
unsigned int u = 0;
int num_nodes = g->num_nodes;
sbitmap_iterator sbi;
sbitmap workset = sbitmap_alloc (num_nodes);
sbitmap reachable_from = sbitmap_alloc (num_nodes);
sbitmap reach_to = sbitmap_alloc (num_nodes);
sbitmap tmp = sbitmap_alloc (num_nodes);
auto_sbitmap workset (num_nodes);
auto_sbitmap reachable_from (num_nodes);
auto_sbitmap reach_to (num_nodes);
auto_sbitmap tmp (num_nodes);
bitmap_copy (reachable_from, from);
bitmap_copy (tmp, from);
@ -1150,12 +1149,7 @@ find_nodes_on_paths (sbitmap result, ddg_ptr g, sbitmap from, sbitmap to)
}
}
answer = bitmap_and (result, reachable_from, reach_to);
sbitmap_free (workset);
sbitmap_free (reachable_from);
sbitmap_free (reach_to);
sbitmap_free (tmp);
return answer;
return bitmap_and (result, reachable_from, reach_to);
}
@ -1195,10 +1189,9 @@ longest_simple_path (struct ddg * g, int src, int dest, sbitmap nodes)
int i;
unsigned int u = 0;
int change = 1;
int result;
int num_nodes = g->num_nodes;
sbitmap workset = sbitmap_alloc (num_nodes);
sbitmap tmp = sbitmap_alloc (num_nodes);
auto_sbitmap workset (num_nodes);
auto_sbitmap tmp (num_nodes);
/* Data will hold the distance of the longest path found so far from
@ -1224,10 +1217,7 @@ longest_simple_path (struct ddg * g, int src, int dest, sbitmap nodes)
change |= update_dist_to_successors (u_node, nodes, tmp);
}
}
result = g->nodes[dest].aux.count;
sbitmap_free (workset);
sbitmap_free (tmp);
return result;
return g->nodes[dest].aux.count;
}
#endif /* INSN_SCHEDULING */

38
gcc/shrink-wrap.c
View File

@ -1264,7 +1264,7 @@ spread_components (sbitmap components)
todo.create (n_basic_blocks_for_fn (cfun));
auto_bitmap seen;
sbitmap old = sbitmap_alloc (SBITMAP_SIZE (components));
auto_sbitmap old (SBITMAP_SIZE (components));
/* Find for every block the components that are *not* needed on some path
from the entry to that block. Do this with a flood fill from the entry
@ -1390,8 +1390,6 @@ spread_components (sbitmap components)
fprintf (dump_file, "\n");
}
}
sbitmap_free (old);
}
/* If we cannot handle placing some component's prologues or epilogues where
@ -1400,8 +1398,8 @@ spread_components (sbitmap components)
static void
disqualify_problematic_components (sbitmap components)
{
sbitmap pro = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap epi = sbitmap_alloc (SBITMAP_SIZE (components));
auto_sbitmap pro (SBITMAP_SIZE (components));
auto_sbitmap epi (SBITMAP_SIZE (components));
basic_block bb;
FOR_EACH_BB_FN (bb, cfun)
@ -1466,9 +1464,6 @@ disqualify_problematic_components (sbitmap components)
}
}
}
sbitmap_free (pro);
sbitmap_free (epi);
}
/* Place code for prologues and epilogues for COMPONENTS where we can put
@ -1476,9 +1471,9 @@ disqualify_problematic_components (sbitmap components)
static void
emit_common_heads_for_components (sbitmap components)
{
sbitmap pro = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap epi = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap tmp = sbitmap_alloc (SBITMAP_SIZE (components));
auto_sbitmap pro (SBITMAP_SIZE (components));
auto_sbitmap epi (SBITMAP_SIZE (components));
auto_sbitmap tmp (SBITMAP_SIZE (components));
basic_block bb;
FOR_ALL_BB_FN (bb, cfun)
@ -1554,10 +1549,6 @@ emit_common_heads_for_components (sbitmap components)
bitmap_ior (SW (bb)->head_components, SW (bb)->head_components, epi);
}
}
sbitmap_free (pro);
sbitmap_free (epi);
sbitmap_free (tmp);
}
/* Place code for prologues and epilogues for COMPONENTS where we can put
@ -1565,9 +1556,9 @@ emit_common_heads_for_components (sbitmap components)
static void
emit_common_tails_for_components (sbitmap components)
{
sbitmap pro = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap epi = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap tmp = sbitmap_alloc (SBITMAP_SIZE (components));
auto_sbitmap pro (SBITMAP_SIZE (components));
auto_sbitmap epi (SBITMAP_SIZE (components));
auto_sbitmap tmp (SBITMAP_SIZE (components));
basic_block bb;
FOR_ALL_BB_FN (bb, cfun)
@ -1664,10 +1655,6 @@ emit_common_tails_for_components (sbitmap components)
bitmap_ior (SW (bb)->tail_components, SW (bb)->tail_components, pro);
}
}
sbitmap_free (pro);
sbitmap_free (epi);
sbitmap_free (tmp);
}
/* Place prologues and epilogues for COMPONENTS on edges, if we haven't already
@ -1675,8 +1662,8 @@ emit_common_tails_for_components (sbitmap components)
static void
insert_prologue_epilogue_for_components (sbitmap components)
{
sbitmap pro = sbitmap_alloc (SBITMAP_SIZE (components));
sbitmap epi = sbitmap_alloc (SBITMAP_SIZE (components));
auto_sbitmap pro (SBITMAP_SIZE (components));
auto_sbitmap epi (SBITMAP_SIZE (components));
basic_block bb;
FOR_EACH_BB_FN (bb, cfun)
@ -1754,9 +1741,6 @@ insert_prologue_epilogue_for_components (sbitmap components)
}
}
sbitmap_free (pro);
sbitmap_free (epi);
commit_edge_insertions ();
}