From: Michael Matz <matz@suse.de>
Date: Sun, 26 Apr 2009 19:24:16 +0000 (+0000)
Subject: tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate beyond num_ssa_names.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=17c665a9974c98d2835680cdc6fd92408f1c87f3;p=gcc.git

tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate beyond num_ssa_names.

	* tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
	beyond num_ssa_names.
	* tree-ssa-ter.c (free_temp_expr_table): Likewise.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.

From-SVN: r146815
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ee80aa045d3..fab18b1f99a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2009-04-26  Michael Matz  <matz@suse.de>
+
+	* tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
+	beyond num_ssa_names.
+	* tree-ssa-ter.c (free_temp_expr_table): Likewise.
+	* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
+
 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR inline-asm/39543
diff --git a/gcc/tree-ssa-coalesce.c b/gcc/tree-ssa-coalesce.c
index 97f9f409989..9f7bafda46d 100644
--- a/gcc/tree-ssa-coalesce.c
+++ b/gcc/tree-ssa-coalesce.c
@@ -974,7 +974,7 @@ create_outofssa_var_map (coalesce_list_p cl, bitmap used_in_copy)
   used_in_virtual_ops = BITMAP_ALLOC (NULL);
 #endif
 
-  map = init_var_map (num_ssa_names + 1);
+  map = init_var_map (num_ssa_names);
 
   FOR_EACH_BB (bb)
     {
diff --git a/gcc/tree-ssa-copyrename.c b/gcc/tree-ssa-copyrename.c
index e89824f74f9..38cd5493592 100644
--- a/gcc/tree-ssa-copyrename.c
+++ b/gcc/tree-ssa-copyrename.c
@@ -291,7 +291,7 @@ rename_ssa_copies (void)
   else
     debug = NULL;
 
-  map = init_var_map (num_ssa_names + 1);
+  map = init_var_map (num_ssa_names);
 
   FOR_EACH_BB (bb)
     {
@@ -339,7 +339,7 @@ rename_ssa_copies (void)
   /* Now one more pass to make all elements of a partition share the same
      root variable.  */
   
-  for (x = 1; x <= num_ssa_names; x++)
+  for (x = 1; x < num_ssa_names; x++)
     {
       part_var = partition_to_var (map, x);
       if (!part_var)
diff --git a/gcc/tree-ssa-ter.c b/gcc/tree-ssa-ter.c
index b415971a243..6fd7ca14485 100644
--- a/gcc/tree-ssa-ter.c
+++ b/gcc/tree-ssa-ter.c
@@ -225,7 +225,7 @@ free_temp_expr_table (temp_expr_table_p t)
   unsigned x;
   for (x = 0; x <= num_var_partitions (t->map); x++)
     gcc_assert (!t->kill_list[x]);
-  for (x = 0; x < num_ssa_names + 1; x++)
+  for (x = 0; x < num_ssa_names; x++)
     {
       gcc_assert (t->expr_decl_uids[x] == NULL);
       gcc_assert (t->partition_dependencies[x] == NULL);