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| author | H.J. Lu <hongjiu.lu@intel.com> | 2006-11-13 12:37:29 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2006-11-13 12:37:29 +0000 |
| commit | 5da10ac71f76160cb5f94912e29b449cfd2de04d (patch) | |
| tree | ecd30a9a95035f0a0d537ed6cda2b05b7de3d352 /gcc/tree-ssa-operands.c | |
| parent | 84816907e4bda26eb7a21a5d3d52eb876fcd91dd (diff) | |
| download | gcc-5da10ac71f76160cb5f94912e29b449cfd2de04d.zip gcc-5da10ac71f76160cb5f94912e29b449cfd2de04d.tar.gz gcc-5da10ac71f76160cb5f94912e29b449cfd2de04d.tar.bz2 | |
re PR tree-optimization/29680 (Misscompilation of spec2006 gcc)
PR tree-optimization/29680
* tree-ssa-operands.c (access_can_touch_variable): Revert fix for
PR 14784.
* gcc.dg/alias-11.c: New test.
Co-Authored-By: Zdenek Dvorak <dvorakz@suse.cz>
From-SVN: r118754
Diffstat (limited to 'gcc/tree-ssa-operands.c')
| -rw-r--r-- | gcc/tree-ssa-operands.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 234eace..2c77683 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -1151,11 +1151,16 @@ access_can_touch_variable (tree ref, tree alias, HOST_WIDE_INT offset, && flag_strict_aliasing && TREE_CODE (ref) != INDIRECT_REF && !MTAG_P (alias) - && !var_ann (alias)->is_heapvar && (TREE_CODE (base) != INDIRECT_REF || TREE_CODE (TREE_TYPE (base)) != UNION_TYPE) && !AGGREGATE_TYPE_P (TREE_TYPE (alias)) && TREE_CODE (TREE_TYPE (alias)) != COMPLEX_TYPE +#if 0 + /* FIXME: PR tree-optimization/29680. */ + && !var_ann (alias)->is_heapvar +#else + && !POINTER_TYPE_P (TREE_TYPE (alias)) +#endif /* When the struct has may_alias attached to it, we need not to return true. */ && get_alias_set (base)) |