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| author | Jan Hubicka <hubicka@ucw.cz> | 2019-06-16 22:22:59 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-06-16 20:22:59 +0000 |
| commit | 32aac5bd94a9a9787bef9b5d8e072a6c5ded911e (patch) | |
| tree | c3db3a07ee80709db734987b5a2450cc43a01912 /gcc/tree-ssa-alias.c | |
| parent | 8e2d0529d515d35f87df3a655db57a249282c1d4 (diff) | |
| download | gcc-32aac5bd94a9a9787bef9b5d8e072a6c5ded911e.zip gcc-32aac5bd94a9a9787bef9b5d8e072a6c5ded911e.tar.gz gcc-32aac5bd94a9a9787bef9b5d8e072a6c5ded911e.tar.bz2 | |
tree-ssa-alias.c (indirect_ref_may_alias_decl_p, [...]): Revert accidental commits.
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
indirect_refs_may_alias_p): Revert accidental commits.
From-SVN: r272358
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 52f9270..b9cdc85 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1532,9 +1532,8 @@ indirect_ref_may_alias_decl_p (tree ref1 ATTRIBUTE_UNUSED, tree base1, && same_type_for_tbaa (TREE_TYPE (base1), TREE_TYPE (dbase2)) == 1 && (TREE_CODE (TREE_TYPE (base1)) != ARRAY_TYPE || (TYPE_SIZE (TREE_TYPE (base1)) - && TREE_CODE (TYPE_SIZE (TREE_TYPE (base1))) == INTEGER_CST)) - && !ranges_maybe_overlap_p (doffset1, max_size1, doffset2, max_size2)) - return false; + && TREE_CODE (TYPE_SIZE (TREE_TYPE (base1))) == INTEGER_CST))) + return ranges_maybe_overlap_p (doffset1, max_size1, doffset2, max_size2); if (ref1 && ref2 && nonoverlapping_component_refs_p (ref1, ref2)) @@ -1614,9 +1613,8 @@ indirect_refs_may_alias_p (tree ref1 ATTRIBUTE_UNUSED, tree base1, { poly_offset_int moff1 = mem_ref_offset (base1) << LOG2_BITS_PER_UNIT; poly_offset_int moff2 = mem_ref_offset (base2) << LOG2_BITS_PER_UNIT; - if (!ranges_maybe_overlap_p (offset1 + moff1, max_size1, - offset2 + moff2, max_size2)) - return false; + return ranges_maybe_overlap_p (offset1 + moff1, max_size1, + offset2 + moff2, max_size2); } if (!ptr_derefs_may_alias_p (ptr1, ptr2)) return false; @@ -1655,9 +1653,8 @@ indirect_refs_may_alias_p (tree ref1 ATTRIBUTE_UNUSED, tree base1, /* But avoid treating arrays as "objects", instead assume they can overlap by an exact multiple of their element size. See gcc.dg/torture/alias-2.c. */ - && TREE_CODE (TREE_TYPE (ptrtype1)) != ARRAY_TYPE - && !ranges_maybe_overlap_p (offset1, max_size1, offset2, max_size2)) - return false; + && TREE_CODE (TREE_TYPE (ptrtype1)) != ARRAY_TYPE) + return ranges_maybe_overlap_p (offset1, max_size1, offset2, max_size2); if (ref1 && ref2 && nonoverlapping_component_refs_p (ref1, ref2)) |