From 490862aa5523e93b2b7c2946ed6898d3400d075a Mon Sep 17 00:00:00 2001
From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 18 Jan 2007 21:58:18 +0000
Subject: [PATCH] * tree-ssa-operands.c (vop_free_bucket_size): Never
return value greater than NUM_VOP_FREE_BUCKETS.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120933 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 5 +++++
gcc/tree-ssa-operands.c | 12 +++++++-----
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 983e3d9dcbf4..68fe46565601 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-operands.c (vop_free_bucket_size): Never return value
+ greater than NUM_VOP_FREE_BUCKETS.
+
2007-01-18 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c: Update comments.
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c
index 23e493a2b04f..0006de924493 100644
--- a/gcc/tree-ssa-operands.c
+++ b/gcc/tree-ssa-operands.c
@@ -305,15 +305,17 @@ vop_free_bucket_size (int bucket)
static inline int
vop_free_bucket_index (int num)
{
- gcc_assert (num > 0);
+ gcc_assert (num > 0 && NUM_VOP_FREE_BUCKETS > 16);
/* Sizes 1 through 16 use buckets 0-15. */
if (num <= 16)
return num - 1;
- /* Buckets 16 - 45 represent 17 through 256 in 8 unit chunks. */
- if (num < 256)
- return 14 + (num - 1) / 8;
- return -1;
+ /* Buckets 16 - NUM_VOP_FREE_BUCKETS represent 8 unit chunks. */
+ num = 14 + (num - 1) / 8;
+ if (num >= NUM_VOP_FREE_BUCKETS)
+ return -1;
+ else
+ return num;
}
--
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