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| author | Aldy Hernandez <aldyh@redhat.com> | 2011-07-28 19:48:48 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2011-07-28 19:48:48 +0000 |
| commit | 86f98641242b99e49d98708bdad9ffa38396c141 (patch) | |
| tree | c35a26fa319f6496800ec0e5fd254772e6980fd3 | |
| parent | dc0ff1c802ef8a9e8075e5a8f4da9881848e08ab (diff) | |
| download | gcc-86f98641242b99e49d98708bdad9ffa38396c141.zip gcc-86f98641242b99e49d98708bdad9ffa38396c141.tar.gz gcc-86f98641242b99e49d98708bdad9ffa38396c141.tar.bz2 | |
expr.c (get_bit_range): Handle *MEM_REF's.
* expr.c (get_bit_range): Handle *MEM_REF's.
From-SVN: r176891
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/expr.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8b6111e..6c0ec7c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2011-07-28 Aldy Hernandez <aldyh@redhat.com> + + * expr.c (get_bit_range): Handle *MEM_REF's. + 2011-07-28 Bernd Schmidt <bernds@codesourcery.com> * rtlanal.c (tablejump_p): False for returns. @@ -4158,7 +4158,10 @@ get_bit_range (unsigned HOST_WIDE_INT *bitstart, /* If other threads can't see this value, no need to restrict stores. */ if (ALLOW_STORE_DATA_RACES - || (!ptr_deref_may_alias_global_p (innerdecl) + || ((TREE_CODE (innerdecl) == MEM_REF + || TREE_CODE (innerdecl) == TARGET_MEM_REF) + && !ptr_deref_may_alias_global_p (TREE_OPERAND (innerdecl, 0))) + || (DECL_P (innerdecl) && (DECL_THREAD_LOCAL_P (innerdecl) || !TREE_STATIC (innerdecl)))) { |