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| author | Diego Novillo <dnovillo@redhat.com> | 2004-09-28 13:45:05 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-09-28 09:45:05 -0400 |
| commit | 38e05395acc76a5e8052abae6333c8a2ffb6008d (patch) | |
| tree | 74c6aba3cef58db13ba5cf0f0129feacd0d74efa /gcc/tree-ssa-alias.c | |
| parent | 45fbb18639b5595ba43868ce8ed33ed2f94a615e (diff) | |
| download | gcc-38e05395acc76a5e8052abae6333c8a2ffb6008d.zip gcc-38e05395acc76a5e8052abae6333c8a2ffb6008d.tar.gz gcc-38e05395acc76a5e8052abae6333c8a2ffb6008d.tar.bz2 | |
tree-ssa-alias.c (create_name_tags): If PTR points to a volatile type, mark the tag volatile.
* tree-ssa-alias.c (create_name_tags): If PTR points to a
volatile type, mark the tag volatile.
(get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
volatile.
From-SVN: r88232
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 883c53d..17f2dc9 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -809,6 +809,9 @@ create_name_tags (struct alias_info *ai) continue; } + TREE_THIS_VOLATILE (pi->name_mem_tag) + |= TREE_THIS_VOLATILE (TREE_TYPE (TREE_TYPE (ptr))); + /* Mark the new name tag for renaming. */ bitmap_set_bit (vars_to_rename, var_ann (pi->name_mem_tag)->uid); } @@ -2138,7 +2141,7 @@ get_tmt_for (tree ptr, struct alias_info *ai) } /* If the pointed-to type is volatile, so is the tag. */ - TREE_THIS_VOLATILE (tag) = TREE_THIS_VOLATILE (tag_type); + TREE_THIS_VOLATILE (tag) |= TREE_THIS_VOLATILE (tag_type); /* Make sure that the type tag has the same alias set as the pointed-to type. */ |