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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-07-27 11:15:32 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-07-27 11:15:32 +0000 |
| commit | 69ce48b2736f87d545f37562d6b712628517bba3 (patch) | |
| tree | 499a49f46ba444c4803938d2d0509e5a563ef429 /gcc/tree-ssa-structalias.c | |
| parent | 79a0f5ea63ff0ad09e2264fed94f3c3379424be3 (diff) | |
| download | gcc-69ce48b2736f87d545f37562d6b712628517bba3.tar.gz | |
2005-07-27 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (push_fields_onto_fieldstack):
Avoid pushing again if current struct contains only
fields we decomposed.
* gcc.dg/tree-ssa/salias-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102424 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 76ce7ab83c0..b01e9e70550 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -2972,6 +2972,7 @@ push_fields_onto_fieldstack (tree type, VEC(fieldoff_s,heap) **fieldstack, if (TREE_CODE (field) == FIELD_DECL) { bool push = false; + int pushed = 0; if (has_union && (TREE_CODE (TREE_TYPE (field)) == QUAL_UNION_TYPE @@ -2980,7 +2981,7 @@ push_fields_onto_fieldstack (tree type, VEC(fieldoff_s,heap) **fieldstack, if (!var_can_have_subvars (field)) push = true; - else if (!(push_fields_onto_fieldstack + else if (!(pushed = push_fields_onto_fieldstack (TREE_TYPE (field), fieldstack, offset + bitpos_of_field (field), has_union)) && DECL_SIZE (field) @@ -2999,6 +3000,8 @@ push_fields_onto_fieldstack (tree type, VEC(fieldoff_s,heap) **fieldstack, pair->offset = offset + bitpos_of_field (field); count++; } + else + count += pushed; } return count; |