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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-02 15:47:03 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-02 15:47:03 +0000 |
| commit | 441fbbf3b00f34a7e6b8163f2ca5c514fb5659da (patch) | |
| tree | 47d1622a6e37c30c37dec6f33de1d6b4b8f831a0 | |
| parent | d5c557a568420526faa2ffdde3fa7e597f51849c (diff) | |
| download | ppe42-gcc-441fbbf3b00f34a7e6b8163f2ca5c514fb5659da.tar.gz ppe42-gcc-441fbbf3b00f34a7e6b8163f2ca5c514fb5659da.zip | |
2006-03-02 Richard Guenther <rguenther@suse.de>
* tree-ssa-alias.c (find_used_portions): Consider taking
the address as making the variable not write-only.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111639 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-alias.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f6bad00d139..5caf2337f45 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-03-02 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (find_used_portions): Consider taking + the address as making the variable not write-only. + 2006-03-02 Nick Clifton <nickc@redhat.com> * config.gcc (default_use_cxa_atexit): Extend the description of diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index e8579bf8b5a..eacfed70891 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -3071,6 +3071,8 @@ find_used_portions (tree *tp, int *walk_subtrees, void *lhs_p) up->minused = 0; up->maxused = TREE_INT_CST_LOW (DECL_SIZE (var)); up->implicit_uses = true; + if (!lhs_p) + up->write_only = false; up_insert (uid, up); *walk_subtrees = 0; |
