From 35a3fa09ad2d51d4f65f9162372dad7a5735e599 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Mon, 17 Feb 2003 16:21:32 +0100
Subject: [PATCH] * recog.c (split_all_insns): Fix memory overflow.
From-SVN: r62998
---
gcc/ChangeLog | 4 ++++
gcc/recog.c | 14 +++++++++++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2ce31e7d208a..bb6f61dc05f8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Mon Feb 17 16:16:54 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (split_all_insns): Fix memory overflow.
+
2003-02-17 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (cmpqi): Remove mode from compare.
diff --git a/gcc/recog.c b/gcc/recog.c
index bfa988b4b167..6206be1700c6 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -2882,10 +2882,18 @@ split_all_insns (upd_life)
find_many_sub_basic_blocks (blocks);
- while (old_last_basic_block < last_basic_block)
+ if (old_last_basic_block != last_basic_block && upd_life)
{
- SET_BIT (blocks, old_last_basic_block);
- old_last_basic_block++;
+ sbitmap new_blocks = sbitmap_alloc (last_basic_block);
+
+ sbitmap_copy (new_blocks, blocks);
+ while (old_last_basic_block < last_basic_block)
+ {
+ SET_BIT (new_blocks, old_last_basic_block);
+ old_last_basic_block++;
+ }
+ sbitmap_free (blocks);
+ new_blocks = blocks;
}
}
--
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