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authorJeffrey A Law <law@cygnus.com>1999-11-02 06:39:04 +0000
committerJeff Law <law@gcc.gnu.org>1999-11-01 23:39:04 -0700
commitd269eb53b15547297d21c9499744084a1c042b06 (patch)
tree77412dd1786b7ff924ffc8a94d7acc85e60fa888
parentf6d204868afdac29dd604ab9ea246e4a507629d1 (diff)
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unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
* unroll.c (unroll_loop): Allocate memory for MAP using xcalloc. Remove explicit zero initializations of entries within MAP. From-SVN: r30337
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/unroll.c9
2 files changed, 9 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4ce7c3c..88e5413 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
+ Remove explicit zero initializations of entries within MAP.
+
Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
* reg-stack.c (convert_regs_1): Handle EH edges specially.
diff --git a/gcc/unroll.c b/gcc/unroll.c
index e4ed9f6..feda6e2 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -682,10 +682,11 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
max_labelno = max_label_num ();
max_insnno = get_max_uid ();
- map = (struct inline_remap *) xmalloc (sizeof (struct inline_remap));
+ /* Various paths through the unroll code may reach the "egress" label
+ without initializing fields within the map structure.
- map->integrating = 0;
- map->const_equiv_varray = 0;
+ To be safe, we use xcalloc to zero the memory. */
+ map = (struct inline_remap *) xcalloc (1, sizeof (struct inline_remap));
/* Allocate the label map. */
@@ -695,8 +696,6 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before,
local_label = (char *) xcalloc (max_labelno, sizeof (char));
}
- else
- map->label_map = 0;
/* Search the loop and mark all local labels, i.e. the ones which have to
be distinct labels when copied. For all labels which might be