diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-alias.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9632a15..09e05e6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-06-13 Jan Hubicka <hubicka@ucw.cz> + + PR bootstrap/90873 + * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that + dbase is not TARGET_MEM_REF. + 2019-06-13 Uroš Bizjak <ubizjak@gmail.com> * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x. diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 2d2b3b8..8209b0d 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1393,8 +1393,10 @@ indirect_ref_may_alias_decl_p (tree ref1 ATTRIBUTE_UNUSED, tree base1, But avoid treating variable length arrays as "objects", instead assume they can overlap by an exact multiple of their element size. See gcc.dg/torture/alias-2.c. */ - if ((TREE_CODE (base1) != TARGET_MEM_REF + if (((TREE_CODE (base1) != TARGET_MEM_REF || (!TMR_INDEX (base1) && !TMR_INDEX2 (base1))) + && (TREE_CODE (dbase2) != TARGET_MEM_REF + || (!TMR_INDEX (dbase2) && !TMR_INDEX2 (base2)))) && same_type_for_tbaa (TREE_TYPE (base1), TREE_TYPE (dbase2)) == 1 && (TREE_CODE (TREE_TYPE (base1)) != ARRAY_TYPE || (TYPE_SIZE (TREE_TYPE (base1)) |