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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-05-04 00:40:20 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-05-04 00:40:20 +0000 |
| commit | 06f9fe3e3f40c0c2eaae10f693374b35e2362fc0 (patch) | |
| tree | 548d8cee6ec9b8410cd45e6a00facf64a630ea5d /gcc/tree-object-size.c | |
| parent | 7f6bf6c7a3978b6bf1d8e79ebe7a60e7a50bfb9e (diff) | |
| download | gcc-06f9fe3e3f40c0c2eaae10f693374b35e2362fc0.tar.gz | |
* fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
for pointer type in more cases than before.
* gimplify.c (gimplify_expr): Fold (void *)&a + 4.
* tree-object-size.c (plus_expr_object_size): When operand size is
unknown, return unknown.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124403 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-object-size.c')
| -rw-r--r-- | gcc/tree-object-size.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-object-size.c b/gcc/tree-object-size.c index f1852ca5a7b..1eb09cbc50a 100644 --- a/gcc/tree-object-size.c +++ b/gcc/tree-object-size.c @@ -588,7 +588,9 @@ plus_expr_object_size (struct object_size_info *osi, tree var, tree value) unsigned HOST_WIDE_INT off = tree_low_cst (op1, 1); bytes = compute_builtin_object_size (op0, object_size_type); - if (off > offset_limit) + if (bytes == unknown[object_size_type]) + ; + else if (off > offset_limit) bytes = unknown[object_size_type]; else if (off > bytes) bytes = 0; |