diff options
Diffstat (limited to 'gcc/ada/decl.c')
| -rw-r--r-- | gcc/ada/decl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/ada/decl.c b/gcc/ada/decl.c index 4827939..c1d02ec 100644 --- a/gcc/ada/decl.c +++ b/gcc/ada/decl.c @@ -1493,6 +1493,11 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, int definition) = UI_To_gnu (RM_Size (gnat_entity), bitsizetype); gnu_type = make_node (RECORD_TYPE); TYPE_NAME (gnu_type) = create_concat_name (gnat_entity, "JM"); + + /* Propagate the alignment of the modular type to the record. + This means that bitpacked arrays have "ceil" alignment for + their size, which may seem counter-intuitive but makes it + possible to easily overlay them on modular types. */ TYPE_ALIGN (gnu_type) = TYPE_ALIGN (gnu_field_type); TYPE_USER_ALIGN (gnu_type) = TYPE_USER_ALIGN (gnu_field_type); TYPE_PACKED (gnu_type) = 1; |