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tree-ssa-live.c (build_tree_conflict_graph): Change the type of tpa_to_clear to VEC(int,heap). 

* tree-ssa-live.c (build_tree_conflict_graph): Change the type
	of tpa_to_clear to VEC(int,heap).  Update uses of
	tpa_to_clear.  Free tpa_to_clear at the end.

From-SVN: r98668
This commit is contained in:
Kazu Hirata 2005-04-24 19:51:35 +00:00 committed by Kazu Hirata
parent 4484e9b6a8
commit 09a3016e27
2 changed files with 14 additions and 6 deletions
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4
gcc/ChangeLog
View File

@ -12,6 +12,10 @@
build_assert_expr_for, fp_predicate, has_assert_expr): Use
COMPARISON_CLASS_P.
* tree-ssa-live.c (build_tree_conflict_graph): Change the type
of tpa_to_clear to VEC(int,heap). Update uses of
tpa_to_clear. Free tpa_to_clear at the end.
2005-04-24 Andrew Pinski <pinskia@physics.uc.edu>
* tree.h (TREE_THIS_VOLATILE): Document the effect on a

16
gcc/tree-ssa-live.c
View File

@ -1279,6 +1279,8 @@ add_conflicts_if_valid (tpa_p tpa, conflict_graph graph,
}
}
DEF_VEC_P(int);
DEF_VEC_ALLOC_P(int,heap);
/* Return a conflict graph for the information contained in LIVE_INFO. Only
conflicts between items in the same TPA list are added. If optional
@ -1293,8 +1295,8 @@ build_tree_conflict_graph (tree_live_info_p liveinfo, tpa_p tpa,
bitmap live;
unsigned x, y, i;
basic_block bb;
varray_type tpa_to_clear;
int *partition_link, *tpa_nodes;
VEC(int,heap) *tpa_to_clear;
unsigned l;
ssa_op_iter iter;
bitmap_iterator bi;
@ -1309,12 +1311,13 @@ build_tree_conflict_graph (tree_live_info_p liveinfo, tpa_p tpa,
partition_link = xcalloc (num_var_partitions (map) + 1, sizeof (int));
tpa_nodes = xcalloc (tpa_num_trees (tpa), sizeof (int));
VARRAY_INT_INIT (tpa_to_clear, 50, "tpa to clear");
tpa_to_clear = VEC_alloc (int, heap, 50);
FOR_EACH_BB (bb)
{
block_stmt_iterator bsi;
tree phi;
int idx;
/* Start with live on exit temporaries. */
bitmap_copy (live, live_on_exit (liveinfo, bb));
@ -1419,7 +1422,7 @@ build_tree_conflict_graph (tree_live_info_p liveinfo, tpa_p tpa,
/* If start is 0, a new root reference list is being started.
Register it to be cleared. */
if (!start)
VARRAY_PUSH_INT (tpa_to_clear, i);
VEC_safe_push (int, heap, tpa_to_clear, i);
/* Add interferences to other tpa members seen. */
for (y = start; y != 0; y = partition_link[y])
@ -1430,13 +1433,14 @@ build_tree_conflict_graph (tree_live_info_p liveinfo, tpa_p tpa,
}
/* Now clear the used tpa root references. */
for (l = 0; l < VARRAY_ACTIVE_SIZE (tpa_to_clear); l++)
tpa_nodes[VARRAY_INT (tpa_to_clear, l)] = 0;
VARRAY_POP_ALL (tpa_to_clear);
for (l = 0; VEC_iterate (int, tpa_to_clear, l, idx); l++)
tpa_nodes[idx] = 0;
VEC_truncate (int, tpa_to_clear, 0);
}
free (tpa_nodes);
free (partition_link);
VEC_free (int, heap, tpa_to_clear);
BITMAP_FREE (live);
return graph;
}