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| author | Richard Guenther <rguenther@suse.de> | 2005-11-19 21:40:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2005-11-19 21:40:28 +0000 |
| commit | 41b9109a5565194e18132b8949b1952feab6557a (patch) | |
| tree | 86cca737b2d981739302836702a628969d5411f1 | |
| parent | 815d8045e0779059e39afdcd9cf372412287a5b9 (diff) | |
| download | gcc-41b9109a5565194e18132b8949b1952feab6557a.zip gcc-41b9109a5565194e18132b8949b1952feab6557a.tar.gz gcc-41b9109a5565194e18132b8949b1952feab6557a.tar.bz2 | |
fold-const.c (fold_indirect_ref_1): Make sure we fold ARRAY_REFs of constant strings.
2005-11-19 Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_indirect_ref_1): Make sure we fold
ARRAY_REFs of constant strings.
From-SVN: r107229
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 10 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 02039cf..446c528 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-11-19 Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_indirect_ref_1): Make sure we fold + ARRAY_REFs of constant strings. + 2005-11-19 Jakub Jelinek <jakub@redhat.com> * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b8576fc..c4dd4f9 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -11523,9 +11523,15 @@ fold_indirect_ref_1 (tree type, tree op0) { tree op = TREE_OPERAND (sub, 0); tree optype = TREE_TYPE (op); - /* *&p => p */ + /* *&p => p; make sure to handle *&"str"[cst] here. */ if (type == optype) - return op; + { + tree fop = fold_read_from_constant_string (op); + if (fop) + return fop; + else + return op; + } /* *(foo *)&fooarray => fooarray[0] */ else if (TREE_CODE (optype) == ARRAY_TYPE && type == TREE_TYPE (optype)) |