diff options
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/stor-layout.c | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8fa21c4..3cb11a0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Tue Apr 2 06:47:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array + the same mode as its component. + 2002-04-02 Richard Henderson <rth@redhat.com> PR opt/190 diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 8295000..baf26dd 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -1584,8 +1584,13 @@ layout_type (type) && (TYPE_MODE (TREE_TYPE (type)) != BLKmode || TYPE_NO_FORCE_BLK (TREE_TYPE (type)))) { - TYPE_MODE (type) - = mode_for_size_tree (TYPE_SIZE (type), MODE_INT, 1); + /* One-element arrays get the component type's mode. */ + if (simple_cst_equal (TYPE_SIZE (type), + TYPE_SIZE (TREE_TYPE (type)))) + TYPE_MODE (type) = TYPE_MODE (TREE_TYPE (type)); + else + TYPE_MODE (type) + = mode_for_size_tree (TYPE_SIZE (type), MODE_INT, 1); if (TYPE_MODE (type) != BLKmode && STRICT_ALIGNMENT && TYPE_ALIGN (type) < BIGGEST_ALIGNMENT |